Windows Analysis Report ClaimCopy-355714047-12022021.xlsb

Overview

General Information

Sample Name:	ClaimCopy-355714047-12022021.xlsb
Analysis ID:	532933
MD5:	1f51fa867f5bbce3ab1cc40bf75f7f9b
SHA1:	2c690539b53f4db35af92e2b88880c3d76fcd323
SHA256:	f3dc3443c7ba185b1c8eff63807384e9bb6734fa0774d9964213dd9baf3fb3c3
Infos:
Most interesting Screenshot:

Detection

Hidden Macro 4.0

Score:	76
Range:	0 - 100
Whitelisted:	false
Confidence:	100%

Signatures

Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)

Multi AV Scanner detection for submitted file

Found Excel 4.0 Macro with suspicious formulas

Sigma detected: Microsoft Office Product Spawning Windows Shell

Document exploit detected (process start blacklist hit)

Document exploit detected (UrlDownloadToFile)

Found protected and hidden Excel 4.0 Macro sheet

Found a hidden Excel 4.0 Macro sheet

Potential document exploit detected (unknown TCP traffic)

Uses a known web browser user agent for HTTP communication

May sleep (evasive loops) to hinder dynamic analysis

Detected potential crypto function

Potential document exploit detected (performs HTTP gets)

IP address seen in connection with other malware

Classification

Signatures

AV Detection:

Multi AV Scanner detection for submitted file

Source: ClaimCopy-355714047-12022021.xlsb

Virustotal: Detection: 10%

Perma Link

Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE

File opened: C:\Windows\WinSxS\amd64_microsoft.vc90.crt_1fc8b3b9a1e18e3b_9.0.30729.4940_none_08e4299fa83d7e3c\MSVCR90.dll

Jump to behavior

Software Vulnerabilities:

Document exploit detected (process start blacklist hit)

Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE

Process created: C:\Windows\System32\regsvr32.exe

Document exploit detected (UrlDownloadToFile)

Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE

Section loaded: \KnownDlls\api-ms-win-downlevel-shlwapi-l2-1-0.dll origin: URLDownloadToFileA

Jump to behavior

Potential document exploit detected (unknown TCP traffic)

Source: global traffic

TCP traffic: 192.168.2.22:49165 -> 185.82.126.78:80

Potential document exploit detected (performs HTTP gets)

Source: global traffic

TCP traffic: 192.168.2.22:49167 -> 158.69.133.78:80

Networking:

Uses a known web browser user agent for HTTP communication

Source: global traffic	HTTP traffic detected: GET /574766024224.dat HTTP/1.1Accept: /UA-CPU: AMD64Accept-Encoding: gzip, deflateUser-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; Win64; x64; Trident/7.0; .NET CLR 2.0.50727; SLCC2; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; .NET4.0E)Host: 158.69.133.78Connection: Keep-Alive
Source: global traffic	HTTP traffic detected: GET /574766024224.dat2 HTTP/1.1Accept: /UA-CPU: AMD64Accept-Encoding: gzip, deflateUser-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; Win64; x64; Trident/7.0; .NET CLR 2.0.50727; SLCC2; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; .NET4.0E)Host: 158.69.133.78Connection: Keep-Alive

IP address seen in connection with other malware

Source: Joe Sandbox View	IP Address: 45.142.211.62 45.142.211.62
Source: Joe Sandbox View	IP Address: 158.69.133.78 158.69.133.78
Source: Joe Sandbox View	IP Address: 185.82.126.78 185.82.126.78

Source: unknown	TCP traffic detected without corresponding DNS query: 185.82.126.78
Source: unknown	TCP traffic detected without corresponding DNS query: 185.82.126.78
Source: unknown	TCP traffic detected without corresponding DNS query: 185.82.126.78
Source: unknown	TCP traffic detected without corresponding DNS query: 185.82.126.78
Source: unknown	TCP traffic detected without corresponding DNS query: 185.82.126.78
Source: unknown	TCP traffic detected without corresponding DNS query: 185.82.126.78
Source: unknown	TCP traffic detected without corresponding DNS query: 158.69.133.78
Source: unknown	TCP traffic detected without corresponding DNS query: 158.69.133.78
Source: unknown	TCP traffic detected without corresponding DNS query: 158.69.133.78
Source: unknown	TCP traffic detected without corresponding DNS query: 158.69.133.78
Source: unknown	TCP traffic detected without corresponding DNS query: 45.142.211.62
Source: unknown	TCP traffic detected without corresponding DNS query: 45.142.211.62
Source: unknown	TCP traffic detected without corresponding DNS query: 45.142.211.62
Source: unknown	TCP traffic detected without corresponding DNS query: 45.142.211.62
Source: unknown	TCP traffic detected without corresponding DNS query: 45.142.211.62
Source: unknown	TCP traffic detected without corresponding DNS query: 45.142.211.62
Source: unknown	TCP traffic detected without corresponding DNS query: 45.142.211.62
Source: unknown	TCP traffic detected without corresponding DNS query: 45.142.211.62
Source: unknown	TCP traffic detected without corresponding DNS query: 45.142.211.62
Source: unknown	TCP traffic detected without corresponding DNS query: 45.142.211.62
Source: unknown	TCP traffic detected without corresponding DNS query: 158.69.133.78
Source: unknown	TCP traffic detected without corresponding DNS query: 45.142.211.62
Source: unknown	TCP traffic detected without corresponding DNS query: 158.69.133.78
Source: unknown	TCP traffic detected without corresponding DNS query: 45.142.211.62
Source: unknown	TCP traffic detected without corresponding DNS query: 185.82.126.78
Source: unknown	TCP traffic detected without corresponding DNS query: 185.82.126.78
Source: unknown	TCP traffic detected without corresponding DNS query: 185.82.126.78
Source: unknown	TCP traffic detected without corresponding DNS query: 185.82.126.78
Source: unknown	TCP traffic detected without corresponding DNS query: 185.82.126.78
Source: unknown	TCP traffic detected without corresponding DNS query: 185.82.126.78
Source: unknown	TCP traffic detected without corresponding DNS query: 158.69.133.78
Source: unknown	TCP traffic detected without corresponding DNS query: 158.69.133.78
Source: unknown	TCP traffic detected without corresponding DNS query: 158.69.133.78
Source: unknown	TCP traffic detected without corresponding DNS query: 158.69.133.78
Source: unknown	TCP traffic detected without corresponding DNS query: 158.69.133.78
Source: unknown	TCP traffic detected without corresponding DNS query: 158.69.133.78

Source: EXCEL.EXE, 00000000.00000002.1042379648.0000000007E14000.00000004.00000001.sdmp	String found in binary or memory: /moc.nideknil.wwwwww.linkedin.com equals www.linkedin.com (Linkedin)
Source: EXCEL.EXE, 00000000.00000002.1041026257.00000000053A0000.00000002.00020000.sdmp, regsvr32.exe, 00000006.00000002.1036044186.00000000048E0000.00000002.00020000.sdmp, regsvr32.exe, 00000007.00000002.1036063924.0000000004850000.00000002.00020000.sdmp, regsvr32.exe, 00000009.00000002.1036057215.0000000004A70000.00000002.00020000.sdmp, regsvr32.exe, 0000000B.00000002.808723112.00000000048A0000.00000002.00020000.sdmp	String found in binary or memory: Please visit http://www.hotmail.com/oe to learn more. equals www.hotmail.com (Hotmail)
Source: EXCEL.EXE, 00000000.00000002.1042379648.0000000007E14000.00000004.00000001.sdmp	String found in binary or memory: www.linkedin.com equals www.linkedin.com (Linkedin)

Source: global traffic	HTTP traffic detected: HTTP/1.1 403 ForbiddenServer: nginxDate: Thu, 02 Dec 2021 19:49:37 GMTContent-Type: text/htmlContent-Length: 548Connection: keep-aliveData Raw: 3c 68 74 6d 6c 3e 0d 0a 3c 68 65 61 64 3e 3c 74 69 74 6c 65 3e 34 30 33 20 46 6f 72 62 69 64 64 65 6e 3c 2f 74 69 74 6c 65 3e 3c 2f 68 65 61 64 3e 0d 0a 3c 62 6f 64 79 3e 0d 0a 3c 63 65 6e 74 65 72 3e 3c 68 31 3e 34 30 33 20 46 6f 72 62 69 64 64 65 6e 3c 2f 68 31 3e 3c 2f 63 65 6e 74 65 72 3e 0d 0a 3c 68 72 3e 3c 63 65 6e 74 65 72 3e 6e 67 69 6e 78 3c 2f 63 65 6e 74 65 72 3e 0d 0a 3c 2f 62 6f 64 79 3e 0d 0a 3c 2f 68 74 6d 6c 3e 0d 0a 3c 21 2d 2d 20 61 20 70 61 64 64 69 6e 67 20 74 6f 20 64 69 73 61 62 6c 65 20 4d 53 49 45 20 61 6e 64 20 43 68 72 6f 6d 65 20 66 72 69 65 6e 64 6c 79 20 65 72 72 6f 72 20 70 61 67 65 20 2d 2d 3e 0d 0a 3c 21 2d 2d 20 61 20 70 61 64 64 69 6e 67 20 74 6f 20 64 69 73 61 62 6c 65 20 4d 53 49 45 20 61 6e 64 20 43 68 72 6f 6d 65 20 66 72 69 65 6e 64 6c 79 20 65 72 72 6f 72 20 70 61 67 65 20 2d 2d 3e 0d 0a 3c 21 2d 2d 20 61 20 70 61 64 64 69 6e 67 20 74 6f 20 64 69 73 61 62 6c 65 20 4d 53 49 45 20 61 6e 64 20 43 68 72 6f 6d 65 20 66 72 69 65 6e 64 6c 79 20 65 72 72 6f 72 20 70 61 67 65 20 2d 2d 3e 0d 0a 3c 21 2d 2d 20 61 20 70 61 64 64 69 6e 67 20 74 6f 20 64 69 73 61 62 6c 65 20 4d 53 49 45 20 61 6e 64 20 43 68 72 6f 6d 65 20 66 72 69 65 6e 64 6c 79 20 65 72 72 6f 72 20 70 61 67 65 20 2d 2d 3e 0d 0a 3c 21 2d 2d 20 61 20 70 61 64 64 69 6e 67 20 74 6f 20 64 69 73 61 62 6c 65 20 4d 53 49 45 20 61 6e 64 20 43 68 72 6f 6d 65 20 66 72 69 65 6e 64 6c 79 20 65 72 72 6f 72 20 70 61 67 65 20 2d 2d 3e 0d 0a 3c 21 2d 2d 20 61 20 70 61 64 64 69 6e 67 20 74 6f 20 64 69 73 61 62 6c 65 20 4d 53 49 45 20 61 6e 64 20 43 68 72 6f 6d 65 20 66 72 69 65 6e 64 6c 79 20 65 72 72 6f 72 20 70 61 67 65 20 2d 2d 3e 0d 0a Data Ascii: <html><head><title>403 Forbidden</title></head><body><center><h1>403 Forbidden</h1></center><hr><center>nginx</center></body></html><!-- a padding to disable MSIE and Chrome friendly error page --><!-- a padding to disable MSIE and Chrome friendly error page --><!-- a padding to disable MSIE and Chrome friendly error page --><!-- a padding to disable MSIE and Chrome friendly error page --><!-- a padding to disable MSIE and Chrome friendly error page --><!-- a padding to disable MSIE and Chrome friendly error page -->
Source: global traffic	HTTP traffic detected: HTTP/1.1 403 ForbiddenServer: nginxDate: Thu, 02 Dec 2021 19:51:44 GMTContent-Type: text/htmlContent-Length: 548Connection: keep-aliveData Raw: 3c 68 74 6d 6c 3e 0d 0a 3c 68 65 61 64 3e 3c 74 69 74 6c 65 3e 34 30 33 20 46 6f 72 62 69 64 64 65 6e 3c 2f 74 69 74 6c 65 3e 3c 2f 68 65 61 64 3e 0d 0a 3c 62 6f 64 79 3e 0d 0a 3c 63 65 6e 74 65 72 3e 3c 68 31 3e 34 30 33 20 46 6f 72 62 69 64 64 65 6e 3c 2f 68 31 3e 3c 2f 63 65 6e 74 65 72 3e 0d 0a 3c 68 72 3e 3c 63 65 6e 74 65 72 3e 6e 67 69 6e 78 3c 2f 63 65 6e 74 65 72 3e 0d 0a 3c 2f 62 6f 64 79 3e 0d 0a 3c 2f 68 74 6d 6c 3e 0d 0a 3c 21 2d 2d 20 61 20 70 61 64 64 69 6e 67 20 74 6f 20 64 69 73 61 62 6c 65 20 4d 53 49 45 20 61 6e 64 20 43 68 72 6f 6d 65 20 66 72 69 65 6e 64 6c 79 20 65 72 72 6f 72 20 70 61 67 65 20 2d 2d 3e 0d 0a 3c 21 2d 2d 20 61 20 70 61 64 64 69 6e 67 20 74 6f 20 64 69 73 61 62 6c 65 20 4d 53 49 45 20 61 6e 64 20 43 68 72 6f 6d 65 20 66 72 69 65 6e 64 6c 79 20 65 72 72 6f 72 20 70 61 67 65 20 2d 2d 3e 0d 0a 3c 21 2d 2d 20 61 20 70 61 64 64 69 6e 67 20 74 6f 20 64 69 73 61 62 6c 65 20 4d 53 49 45 20 61 6e 64 20 43 68 72 6f 6d 65 20 66 72 69 65 6e 64 6c 79 20 65 72 72 6f 72 20 70 61 67 65 20 2d 2d 3e 0d 0a 3c 21 2d 2d 20 61 20 70 61 64 64 69 6e 67 20 74 6f 20 64 69 73 61 62 6c 65 20 4d 53 49 45 20 61 6e 64 20 43 68 72 6f 6d 65 20 66 72 69 65 6e 64 6c 79 20 65 72 72 6f 72 20 70 61 67 65 20 2d 2d 3e 0d 0a 3c 21 2d 2d 20 61 20 70 61 64 64 69 6e 67 20 74 6f 20 64 69 73 61 62 6c 65 20 4d 53 49 45 20 61 6e 64 20 43 68 72 6f 6d 65 20 66 72 69 65 6e 64 6c 79 20 65 72 72 6f 72 20 70 61 67 65 20 2d 2d 3e 0d 0a 3c 21 2d 2d 20 61 20 70 61 64 64 69 6e 67 20 74 6f 20 64 69 73 61 62 6c 65 20 4d 53 49 45 20 61 6e 64 20 43 68 72 6f 6d 65 20 66 72 69 65 6e 64 6c 79 20 65 72 72 6f 72 20 70 61 67 65 20 2d 2d 3e 0d 0a Data Ascii: <html><head><title>403 Forbidden</title></head><body><center><h1>403 Forbidden</h1></center><hr><center>nginx</center></body></html><!-- a padding to disable MSIE and Chrome friendly error page --><!-- a padding to disable MSIE and Chrome friendly error page --><!-- a padding to disable MSIE and Chrome friendly error page --><!-- a padding to disable MSIE and Chrome friendly error page --><!-- a padding to disable MSIE and Chrome friendly error page --><!-- a padding to disable MSIE and Chrome friendly error page -->

Source: EXCEL.EXE, 00000000.00000002.1040925299.0000000005297000.00000004.00000001.sdmp	String found in binary or memory: http://158.69.133.78/574766024224.dat
Source: EXCEL.EXE, 00000000.00000002.1041980288.0000000005B3D000.00000004.00000001.sdmp	String found in binary or memory: http://158.69.133.78/574766024224.dat2
Source: EXCEL.EXE, 00000000.00000002.1040925299.0000000005297000.00000004.00000001.sdmp	String found in binary or memory: http://185.82.126.78/574766024224.dat
Source: EXCEL.EXE, 00000000.00000002.1041980288.0000000005B3D000.00000004.00000001.sdmp	String found in binary or memory: http://185.82.126.78/574766024224.dat2
Source: EXCEL.EXE, 00000000.00000002.1041980288.0000000005B3D000.00000004.00000001.sdmp	String found in binary or memory: http://185.82.126.78/574766024224.dat29
Source: EXCEL.EXE, 00000000.00000002.1040925299.0000000005297000.00000004.00000001.sdmp	String found in binary or memory: http://45.142.211.62/574766024224.dat
Source: EXCEL.EXE, 00000000.00000002.1040925299.0000000005297000.00000004.00000001.sdmp	String found in binary or memory: http://45.142.211.62/574766024224.dat#/
Source: EXCEL.EXE, 00000000.00000002.1041980288.0000000005B3D000.00000004.00000001.sdmp	String found in binary or memory: http://45.142.211.62/574766024224.dat2
Source: EXCEL.EXE, 00000000.00000002.1041026257.00000000053A0000.00000002.00020000.sdmp, regsvr32.exe, 00000006.00000002.1036044186.00000000048E0000.00000002.00020000.sdmp, regsvr32.exe, 00000007.00000002.1036063924.0000000004850000.00000002.00020000.sdmp, regsvr32.exe, 00000009.00000002.1036057215.0000000004A70000.00000002.00020000.sdmp, regsvr32.exe, 0000000B.00000002.808723112.00000000048A0000.00000002.00020000.sdmp	String found in binary or memory: http://investor.msn.com
Source: EXCEL.EXE, 00000000.00000002.1041026257.00000000053A0000.00000002.00020000.sdmp, regsvr32.exe, 00000006.00000002.1036044186.00000000048E0000.00000002.00020000.sdmp, regsvr32.exe, 00000007.00000002.1036063924.0000000004850000.00000002.00020000.sdmp, regsvr32.exe, 00000009.00000002.1036057215.0000000004A70000.00000002.00020000.sdmp, regsvr32.exe, 0000000B.00000002.808723112.00000000048A0000.00000002.00020000.sdmp	String found in binary or memory: http://investor.msn.com/
Source: EXCEL.EXE, 00000000.00000002.1041541153.0000000005587000.00000002.00020000.sdmp, regsvr32.exe, 00000006.00000002.1036389429.0000000004AC7000.00000002.00020000.sdmp, regsvr32.exe, 00000007.00000002.1036411560.0000000004A37000.00000002.00020000.sdmp, regsvr32.exe, 00000009.00000002.1036402888.0000000004C57000.00000002.00020000.sdmp	String found in binary or memory: http://localizability/practices/XML.asp
Source: EXCEL.EXE, 00000000.00000002.1041541153.0000000005587000.00000002.00020000.sdmp, regsvr32.exe, 00000006.00000002.1036389429.0000000004AC7000.00000002.00020000.sdmp, regsvr32.exe, 00000007.00000002.1036411560.0000000004A37000.00000002.00020000.sdmp, regsvr32.exe, 00000009.00000002.1036402888.0000000004C57000.00000002.00020000.sdmp	String found in binary or memory: http://localizability/practices/XMLConfiguration.asp
Source: regsvr32.exe, 00000006.00000002.1035342275.0000000003AB0000.00000002.00020000.sdmp, regsvr32.exe, 00000007.00000002.1035333395.0000000003A00000.00000002.00020000.sdmp	String found in binary or memory: http://schemas.xmlsoap.org/ws/2004/08/addressing/role/anonymous.
Source: regsvr32.exe, 00000006.00000002.1034758219.0000000001D50000.00000002.00020000.sdmp, regsvr32.exe, 00000007.00000002.1034921258.0000000001E40000.00000002.00020000.sdmp	String found in binary or memory: http://servername/isapibackend.dll
Source: EXCEL.EXE, 00000000.00000002.1041541153.0000000005587000.00000002.00020000.sdmp, regsvr32.exe, 00000006.00000002.1036389429.0000000004AC7000.00000002.00020000.sdmp, regsvr32.exe, 00000007.00000002.1036411560.0000000004A37000.00000002.00020000.sdmp, regsvr32.exe, 00000009.00000002.1036402888.0000000004C57000.00000002.00020000.sdmp	String found in binary or memory: http://services.msn.com/svcs/oe/certpage.asp?name=%s&email=%s&&Check
Source: EXCEL.EXE, 00000000.00000002.1041541153.0000000005587000.00000002.00020000.sdmp, regsvr32.exe, 00000006.00000002.1036389429.0000000004AC7000.00000002.00020000.sdmp, regsvr32.exe, 00000007.00000002.1036411560.0000000004A37000.00000002.00020000.sdmp, regsvr32.exe, 00000009.00000002.1036402888.0000000004C57000.00000002.00020000.sdmp	String found in binary or memory: http://windowsmedia.com/redir/services.asp?WMPFriendly=true
Source: regsvr32.exe, 00000006.00000002.1035342275.0000000003AB0000.00000002.00020000.sdmp, regsvr32.exe, 00000007.00000002.1035333395.0000000003A00000.00000002.00020000.sdmp	String found in binary or memory: http://www.%s.comPA
Source: EXCEL.EXE, 00000000.00000002.1041026257.00000000053A0000.00000002.00020000.sdmp, regsvr32.exe, 00000006.00000002.1036044186.00000000048E0000.00000002.00020000.sdmp, regsvr32.exe, 00000007.00000002.1036063924.0000000004850000.00000002.00020000.sdmp, regsvr32.exe, 00000009.00000002.1036057215.0000000004A70000.00000002.00020000.sdmp, regsvr32.exe, 0000000B.00000002.808723112.00000000048A0000.00000002.00020000.sdmp	String found in binary or memory: http://www.hotmail.com/oe
Source: EXCEL.EXE, 00000000.00000002.1041541153.0000000005587000.00000002.00020000.sdmp, regsvr32.exe, 00000006.00000002.1036389429.0000000004AC7000.00000002.00020000.sdmp, regsvr32.exe, 00000007.00000002.1036411560.0000000004A37000.00000002.00020000.sdmp, regsvr32.exe, 00000009.00000002.1036402888.0000000004C57000.00000002.00020000.sdmp	String found in binary or memory: http://www.icra.org/vocabulary/.
Source: EXCEL.EXE, 00000000.00000002.1041026257.00000000053A0000.00000002.00020000.sdmp, regsvr32.exe, 00000006.00000002.1036044186.00000000048E0000.00000002.00020000.sdmp, regsvr32.exe, 00000007.00000002.1036063924.0000000004850000.00000002.00020000.sdmp, regsvr32.exe, 00000009.00000002.1036057215.0000000004A70000.00000002.00020000.sdmp, regsvr32.exe, 0000000B.00000002.808723112.00000000048A0000.00000002.00020000.sdmp	String found in binary or memory: http://www.msnbc.com/news/ticker.txt
Source: regsvr32.exe, 0000000B.00000002.808723112.00000000048A0000.00000002.00020000.sdmp	String found in binary or memory: http://www.windows.com/pctv.

Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE

File created: C:\Users\user\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.MSO\DD699F23.jpg

Jump to behavior

Source: global traffic	HTTP traffic detected: GET /574766024224.dat HTTP/1.1Accept: /UA-CPU: AMD64Accept-Encoding: gzip, deflateUser-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; Win64; x64; Trident/7.0; .NET CLR 2.0.50727; SLCC2; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; .NET4.0E)Host: 158.69.133.78Connection: Keep-Alive
Source: global traffic	HTTP traffic detected: GET /574766024224.dat2 HTTP/1.1Accept: /UA-CPU: AMD64Accept-Encoding: gzip, deflateUser-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; Win64; x64; Trident/7.0; .NET CLR 2.0.50727; SLCC2; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; .NET4.0E)Host: 158.69.133.78Connection: Keep-Alive

System Summary:

Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)

Source: Screenshot number: 4	Screenshot OCR: Enable editing" in the yellow bar above. example of notification ( 0 ~EcmwARNNG Thisfileoriginate
Source: Screenshot number: 4	Screenshot OCR: Enable Content" to perform Microsoft Excel Decryption Core to start the decryption of the document.
Source: Screenshot number: 4	Screenshot OCR: Enable Macros ) Why I can not open this document? - You are using iOS or Android device. Please us

Found Excel 4.0 Macro with suspicious formulas

Source: ClaimCopy-355714047-12022021.xlsb

Initial sample: EXEC

Found protected and hidden Excel 4.0 Macro sheet

Source: ClaimCopy-355714047-12022021.xlsb

Initial sample: Sheet name: Tiposa1

Found a hidden Excel 4.0 Macro sheet

Source: ClaimCopy-355714047-12022021.xlsb	Macro extractor: Sheet name: Tiposa1
Source: ClaimCopy-355714047-12022021.xlsb	Macro extractor: Sheet name: Tiposa

Detected potential crypto function

Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Code function: 0_2_02197820	0_2_02197820
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Code function: 0_2_02196753	0_2_02196753
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Code function: 0_2_02196340	0_2_02196340
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Code function: 0_2_02196743	0_2_02196743
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Code function: 0_2_021966F3	0_2_021966F3
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Code function: 0_2_021966E8	0_2_021966E8

Source: ClaimCopy-355714047-12022021.xlsb

Virustotal: Detection: 10%

Source: C:\Windows\System32\regsvr32.exe

Key opened: HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\Safer\CodeIdentifiers

Jump to behavior

Source: unknown	Process created: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE "C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /automation -Embedding
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Process created: C:\Windows\System32\regsvr32.exe regsvr32 C:\ProgramData\Volet1.ocx
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Process created: C:\Windows\System32\regsvr32.exe regsvr32 C:\ProgramData\Volet2.ocx
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Process created: C:\Windows\System32\regsvr32.exe regsvr32 C:\ProgramData\Volet3.ocx
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Process created: C:\Windows\System32\regsvr32.exe regsvr32 -e -n -i:&Tiposa!G22& C:\ProgramData\Volet4.ocx
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Process created: C:\Windows\System32\regsvr32.exe regsvr32 -e -n -i:&Tiposa!G22& C:\ProgramData\Volet5.ocx
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Process created: C:\Windows\System32\regsvr32.exe regsvr32 -e -n -i:&Tiposa!G22& C:\ProgramData\Volet6.ocx
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Process created: C:\Windows\System32\regsvr32.exe regsvr32 C:\ProgramData\Volet1.ocx	Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Process created: C:\Windows\System32\regsvr32.exe regsvr32 C:\ProgramData\Volet2.ocx	Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Process created: C:\Windows\System32\regsvr32.exe regsvr32 C:\ProgramData\Volet3.ocx	Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Process created: C:\Windows\System32\regsvr32.exe regsvr32 -e -n -i:&Tiposa!G22& C:\ProgramData\Volet4.ocx	Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Process created: C:\Windows\System32\regsvr32.exe regsvr32 -e -n -i:&Tiposa!G22& C:\ProgramData\Volet5.ocx	Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Process created: C:\Windows\System32\regsvr32.exe regsvr32 -e -n -i:&Tiposa!G22& C:\ProgramData\Volet6.ocx	Jump to behavior

Source: EXCEL.EXE, 00000000.00000002.1041026257.00000000053A0000.00000002.00020000.sdmp, regsvr32.exe, 00000006.00000002.1036044186.00000000048E0000.00000002.00020000.sdmp, regsvr32.exe, 00000007.00000002.1036063924.0000000004850000.00000002.00020000.sdmp, regsvr32.exe, 00000009.00000002.1036057215.0000000004A70000.00000002.00020000.sdmp, regsvr32.exe, 0000000B.00000002.808723112.00000000048A0000.00000002.00020000.sdmp

Binary or memory string: .VBPud<_

Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE

File created: C:\Users\user\Desktop\~$ClaimCopy-355714047-12022021.xlsb

Jump to behavior

Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE

File created: C:\Users\user\AppData\Local\Temp\CVRD123.tmp

Jump to behavior

Source: classification engine

Classification label: mal76.expl.evad.winXLSB@13/5@0/3

Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE

File read: C:\Users\desktop.ini

Jump to behavior

Source: Window Recorder

Window detected: More than 3 window changes detected

Source: ClaimCopy-355714047-12022021.xlsb	Initial sample: OLE zip file path = xl/media/image1.jpg
Source: ClaimCopy-355714047-12022021.xlsb	Initial sample: OLE zip file path = xl/printerSettings/printerSettings2.bin
Source: C8260000.0.dr	Initial sample: OLE zip file path = xl/media/image1.jpg
Source: C8260000.0.dr	Initial sample: OLE zip file path = xl/printerSettings/printerSettings2.bin

Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE

Key opened: HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Excel\Resiliency\StartupItems

Jump to behavior

Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE

File opened: C:\Windows\WinSxS\amd64_microsoft.vc90.crt_1fc8b3b9a1e18e3b_9.0.30729.4940_none_08e4299fa83d7e3c\MSVCR90.dll

Jump to behavior

Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\regsvr32.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\regsvr32.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\regsvr32.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\regsvr32.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\regsvr32.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\regsvr32.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior

Malware Analysis System Evasion:

May sleep (evasive loops) to hinder dynamic analysis

Source: C:\Windows\System32\regsvr32.exe TID: 2508	Thread sleep time: -60000s >= -30000s	Jump to behavior
Source: C:\Windows\System32\regsvr32.exe TID: 1212	Thread sleep time: -60000s >= -30000s	Jump to behavior
Source: C:\Windows\System32\regsvr32.exe TID: 2272	Thread sleep time: -60000s >= -30000s	Jump to behavior

Source: EXCEL.EXE, 00000000.00000002.1035010452.00000000008B0000.00000002.00020000.sdmp, regsvr32.exe, 00000006.00000002.1034677381.0000000000950000.00000002.00020000.sdmp, regsvr32.exe, 00000007.00000002.1034864920.0000000000A40000.00000002.00020000.sdmp, regsvr32.exe, 00000009.00000002.1034863173.0000000000A20000.00000002.00020000.sdmp	Binary or memory string: Shell_TrayWnd
Source: EXCEL.EXE, 00000000.00000002.1035010452.00000000008B0000.00000002.00020000.sdmp, regsvr32.exe, 00000006.00000002.1034677381.0000000000950000.00000002.00020000.sdmp, regsvr32.exe, 00000007.00000002.1034864920.0000000000A40000.00000002.00020000.sdmp, regsvr32.exe, 00000009.00000002.1034863173.0000000000A20000.00000002.00020000.sdmp	Binary or memory string: !Progman
Source: EXCEL.EXE, 00000000.00000002.1035010452.00000000008B0000.00000002.00020000.sdmp, regsvr32.exe, 00000006.00000002.1034677381.0000000000950000.00000002.00020000.sdmp, regsvr32.exe, 00000007.00000002.1034864920.0000000000A40000.00000002.00020000.sdmp, regsvr32.exe, 00000009.00000002.1034863173.0000000000A20000.00000002.00020000.sdmp	Binary or memory string: Program Manager<

Screenshots

Behavior Graph

Hide Legend

Legend:

Process
Signature
Created File
DNS/IP Info
Is Dropped
Is Windows Process
Number of created Registry Values
Number of created Files
Visual Basic
Delphi
Java
.Net C# or VB.NET
C, C++ or other language
Is malicious
Internet

Network Map

No. of IPs < 25%
25% < No. of IPs < 50%
50% < No. of IPs < 75%
75% < No. of IPs

Contacted Public IPs

IP	Domain	Country	ASN	ASN Name	Malicious
45.142.211.62	unknown	Russian Federation	208861	RACKTECHRU	false
158.69.133.78	unknown	Canada	16276	OVHFR	false
185.82.126.78	unknown	Latvia	52173	MAKONIXLV	false

Contacted URLs

Name	Malicious	Antivirus Detection	Reputation
http://158.69.133.78/574766024224.dat2	false	Avira URL Cloud: safe	unknown
http://158.69.133.78/574766024224.dat	false	Avira URL Cloud: safe	unknown

AV Detection:

Multi AV Scanner detection for submitted file

Source: ClaimCopy-355714047-12022021.xlsb

Virustotal: Detection: 10%

Perma Link

Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE

File opened: C:\Windows\WinSxS\amd64_microsoft.vc90.crt_1fc8b3b9a1e18e3b_9.0.30729.4940_none_08e4299fa83d7e3c\MSVCR90.dll

Jump to behavior

Software Vulnerabilities:

Document exploit detected (process start blacklist hit)

Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE

Process created: C:\Windows\System32\regsvr32.exe

Document exploit detected (UrlDownloadToFile)

Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE

Section loaded: \KnownDlls\api-ms-win-downlevel-shlwapi-l2-1-0.dll origin: URLDownloadToFileA

Jump to behavior

Potential document exploit detected (unknown TCP traffic)

Source: global traffic

TCP traffic: 192.168.2.22:49165 -> 185.82.126.78:80

Potential document exploit detected (performs HTTP gets)

Source: global traffic

TCP traffic: 192.168.2.22:49167 -> 158.69.133.78:80

Networking:

Uses a known web browser user agent for HTTP communication

Source: global traffic	HTTP traffic detected: GET /574766024224.dat HTTP/1.1Accept: /UA-CPU: AMD64Accept-Encoding: gzip, deflateUser-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; Win64; x64; Trident/7.0; .NET CLR 2.0.50727; SLCC2; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; .NET4.0E)Host: 158.69.133.78Connection: Keep-Alive
Source: global traffic	HTTP traffic detected: GET /574766024224.dat2 HTTP/1.1Accept: /UA-CPU: AMD64Accept-Encoding: gzip, deflateUser-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; Win64; x64; Trident/7.0; .NET CLR 2.0.50727; SLCC2; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; .NET4.0E)Host: 158.69.133.78Connection: Keep-Alive

IP address seen in connection with other malware

Source: Joe Sandbox View	IP Address: 45.142.211.62 45.142.211.62
Source: Joe Sandbox View	IP Address: 158.69.133.78 158.69.133.78
Source: Joe Sandbox View	IP Address: 185.82.126.78 185.82.126.78

Source: unknown	TCP traffic detected without corresponding DNS query: 185.82.126.78
Source: unknown	TCP traffic detected without corresponding DNS query: 185.82.126.78
Source: unknown	TCP traffic detected without corresponding DNS query: 185.82.126.78
Source: unknown	TCP traffic detected without corresponding DNS query: 185.82.126.78
Source: unknown	TCP traffic detected without corresponding DNS query: 185.82.126.78
Source: unknown	TCP traffic detected without corresponding DNS query: 185.82.126.78
Source: unknown	TCP traffic detected without corresponding DNS query: 158.69.133.78
Source: unknown	TCP traffic detected without corresponding DNS query: 158.69.133.78
Source: unknown	TCP traffic detected without corresponding DNS query: 158.69.133.78
Source: unknown	TCP traffic detected without corresponding DNS query: 158.69.133.78
Source: unknown	TCP traffic detected without corresponding DNS query: 45.142.211.62
Source: unknown	TCP traffic detected without corresponding DNS query: 45.142.211.62
Source: unknown	TCP traffic detected without corresponding DNS query: 45.142.211.62
Source: unknown	TCP traffic detected without corresponding DNS query: 45.142.211.62
Source: unknown	TCP traffic detected without corresponding DNS query: 45.142.211.62
Source: unknown	TCP traffic detected without corresponding DNS query: 45.142.211.62
Source: unknown	TCP traffic detected without corresponding DNS query: 45.142.211.62
Source: unknown	TCP traffic detected without corresponding DNS query: 45.142.211.62
Source: unknown	TCP traffic detected without corresponding DNS query: 45.142.211.62
Source: unknown	TCP traffic detected without corresponding DNS query: 45.142.211.62
Source: unknown	TCP traffic detected without corresponding DNS query: 158.69.133.78
Source: unknown	TCP traffic detected without corresponding DNS query: 45.142.211.62
Source: unknown	TCP traffic detected without corresponding DNS query: 158.69.133.78
Source: unknown	TCP traffic detected without corresponding DNS query: 45.142.211.62
Source: unknown	TCP traffic detected without corresponding DNS query: 185.82.126.78
Source: unknown	TCP traffic detected without corresponding DNS query: 185.82.126.78
Source: unknown	TCP traffic detected without corresponding DNS query: 185.82.126.78
Source: unknown	TCP traffic detected without corresponding DNS query: 185.82.126.78
Source: unknown	TCP traffic detected without corresponding DNS query: 185.82.126.78
Source: unknown	TCP traffic detected without corresponding DNS query: 185.82.126.78
Source: unknown	TCP traffic detected without corresponding DNS query: 158.69.133.78
Source: unknown	TCP traffic detected without corresponding DNS query: 158.69.133.78
Source: unknown	TCP traffic detected without corresponding DNS query: 158.69.133.78
Source: unknown	TCP traffic detected without corresponding DNS query: 158.69.133.78
Source: unknown	TCP traffic detected without corresponding DNS query: 158.69.133.78
Source: unknown	TCP traffic detected without corresponding DNS query: 158.69.133.78

Source: EXCEL.EXE, 00000000.00000002.1042379648.0000000007E14000.00000004.00000001.sdmp	String found in binary or memory: /moc.nideknil.wwwwww.linkedin.com equals www.linkedin.com (Linkedin)
Source: EXCEL.EXE, 00000000.00000002.1041026257.00000000053A0000.00000002.00020000.sdmp, regsvr32.exe, 00000006.00000002.1036044186.00000000048E0000.00000002.00020000.sdmp, regsvr32.exe, 00000007.00000002.1036063924.0000000004850000.00000002.00020000.sdmp, regsvr32.exe, 00000009.00000002.1036057215.0000000004A70000.00000002.00020000.sdmp, regsvr32.exe, 0000000B.00000002.808723112.00000000048A0000.00000002.00020000.sdmp	String found in binary or memory: Please visit http://www.hotmail.com/oe to learn more. equals www.hotmail.com (Hotmail)
Source: EXCEL.EXE, 00000000.00000002.1042379648.0000000007E14000.00000004.00000001.sdmp	String found in binary or memory: www.linkedin.com equals www.linkedin.com (Linkedin)

Source: global traffic	HTTP traffic detected: HTTP/1.1 403 ForbiddenServer: nginxDate: Thu, 02 Dec 2021 19:49:37 GMTContent-Type: text/htmlContent-Length: 548Connection: keep-aliveData Raw: 3c 68 74 6d 6c 3e 0d 0a 3c 68 65 61 64 3e 3c 74 69 74 6c 65 3e 34 30 33 20 46 6f 72 62 69 64 64 65 6e 3c 2f 74 69 74 6c 65 3e 3c 2f 68 65 61 64 3e 0d 0a 3c 62 6f 64 79 3e 0d 0a 3c 63 65 6e 74 65 72 3e 3c 68 31 3e 34 30 33 20 46 6f 72 62 69 64 64 65 6e 3c 2f 68 31 3e 3c 2f 63 65 6e 74 65 72 3e 0d 0a 3c 68 72 3e 3c 63 65 6e 74 65 72 3e 6e 67 69 6e 78 3c 2f 63 65 6e 74 65 72 3e 0d 0a 3c 2f 62 6f 64 79 3e 0d 0a 3c 2f 68 74 6d 6c 3e 0d 0a 3c 21 2d 2d 20 61 20 70 61 64 64 69 6e 67 20 74 6f 20 64 69 73 61 62 6c 65 20 4d 53 49 45 20 61 6e 64 20 43 68 72 6f 6d 65 20 66 72 69 65 6e 64 6c 79 20 65 72 72 6f 72 20 70 61 67 65 20 2d 2d 3e 0d 0a 3c 21 2d 2d 20 61 20 70 61 64 64 69 6e 67 20 74 6f 20 64 69 73 61 62 6c 65 20 4d 53 49 45 20 61 6e 64 20 43 68 72 6f 6d 65 20 66 72 69 65 6e 64 6c 79 20 65 72 72 6f 72 20 70 61 67 65 20 2d 2d 3e 0d 0a 3c 21 2d 2d 20 61 20 70 61 64 64 69 6e 67 20 74 6f 20 64 69 73 61 62 6c 65 20 4d 53 49 45 20 61 6e 64 20 43 68 72 6f 6d 65 20 66 72 69 65 6e 64 6c 79 20 65 72 72 6f 72 20 70 61 67 65 20 2d 2d 3e 0d 0a 3c 21 2d 2d 20 61 20 70 61 64 64 69 6e 67 20 74 6f 20 64 69 73 61 62 6c 65 20 4d 53 49 45 20 61 6e 64 20 43 68 72 6f 6d 65 20 66 72 69 65 6e 64 6c 79 20 65 72 72 6f 72 20 70 61 67 65 20 2d 2d 3e 0d 0a 3c 21 2d 2d 20 61 20 70 61 64 64 69 6e 67 20 74 6f 20 64 69 73 61 62 6c 65 20 4d 53 49 45 20 61 6e 64 20 43 68 72 6f 6d 65 20 66 72 69 65 6e 64 6c 79 20 65 72 72 6f 72 20 70 61 67 65 20 2d 2d 3e 0d 0a 3c 21 2d 2d 20 61 20 70 61 64 64 69 6e 67 20 74 6f 20 64 69 73 61 62 6c 65 20 4d 53 49 45 20 61 6e 64 20 43 68 72 6f 6d 65 20 66 72 69 65 6e 64 6c 79 20 65 72 72 6f 72 20 70 61 67 65 20 2d 2d 3e 0d 0a Data Ascii: <html><head><title>403 Forbidden</title></head><body><center><h1>403 Forbidden</h1></center><hr><center>nginx</center></body></html><!-- a padding to disable MSIE and Chrome friendly error page --><!-- a padding to disable MSIE and Chrome friendly error page --><!-- a padding to disable MSIE and Chrome friendly error page --><!-- a padding to disable MSIE and Chrome friendly error page --><!-- a padding to disable MSIE and Chrome friendly error page --><!-- a padding to disable MSIE and Chrome friendly error page -->
Source: global traffic	HTTP traffic detected: HTTP/1.1 403 ForbiddenServer: nginxDate: Thu, 02 Dec 2021 19:51:44 GMTContent-Type: text/htmlContent-Length: 548Connection: keep-aliveData Raw: 3c 68 74 6d 6c 3e 0d 0a 3c 68 65 61 64 3e 3c 74 69 74 6c 65 3e 34 30 33 20 46 6f 72 62 69 64 64 65 6e 3c 2f 74 69 74 6c 65 3e 3c 2f 68 65 61 64 3e 0d 0a 3c 62 6f 64 79 3e 0d 0a 3c 63 65 6e 74 65 72 3e 3c 68 31 3e 34 30 33 20 46 6f 72 62 69 64 64 65 6e 3c 2f 68 31 3e 3c 2f 63 65 6e 74 65 72 3e 0d 0a 3c 68 72 3e 3c 63 65 6e 74 65 72 3e 6e 67 69 6e 78 3c 2f 63 65 6e 74 65 72 3e 0d 0a 3c 2f 62 6f 64 79 3e 0d 0a 3c 2f 68 74 6d 6c 3e 0d 0a 3c 21 2d 2d 20 61 20 70 61 64 64 69 6e 67 20 74 6f 20 64 69 73 61 62 6c 65 20 4d 53 49 45 20 61 6e 64 20 43 68 72 6f 6d 65 20 66 72 69 65 6e 64 6c 79 20 65 72 72 6f 72 20 70 61 67 65 20 2d 2d 3e 0d 0a 3c 21 2d 2d 20 61 20 70 61 64 64 69 6e 67 20 74 6f 20 64 69 73 61 62 6c 65 20 4d 53 49 45 20 61 6e 64 20 43 68 72 6f 6d 65 20 66 72 69 65 6e 64 6c 79 20 65 72 72 6f 72 20 70 61 67 65 20 2d 2d 3e 0d 0a 3c 21 2d 2d 20 61 20 70 61 64 64 69 6e 67 20 74 6f 20 64 69 73 61 62 6c 65 20 4d 53 49 45 20 61 6e 64 20 43 68 72 6f 6d 65 20 66 72 69 65 6e 64 6c 79 20 65 72 72 6f 72 20 70 61 67 65 20 2d 2d 3e 0d 0a 3c 21 2d 2d 20 61 20 70 61 64 64 69 6e 67 20 74 6f 20 64 69 73 61 62 6c 65 20 4d 53 49 45 20 61 6e 64 20 43 68 72 6f 6d 65 20 66 72 69 65 6e 64 6c 79 20 65 72 72 6f 72 20 70 61 67 65 20 2d 2d 3e 0d 0a 3c 21 2d 2d 20 61 20 70 61 64 64 69 6e 67 20 74 6f 20 64 69 73 61 62 6c 65 20 4d 53 49 45 20 61 6e 64 20 43 68 72 6f 6d 65 20 66 72 69 65 6e 64 6c 79 20 65 72 72 6f 72 20 70 61 67 65 20 2d 2d 3e 0d 0a 3c 21 2d 2d 20 61 20 70 61 64 64 69 6e 67 20 74 6f 20 64 69 73 61 62 6c 65 20 4d 53 49 45 20 61 6e 64 20 43 68 72 6f 6d 65 20 66 72 69 65 6e 64 6c 79 20 65 72 72 6f 72 20 70 61 67 65 20 2d 2d 3e 0d 0a Data Ascii: <html><head><title>403 Forbidden</title></head><body><center><h1>403 Forbidden</h1></center><hr><center>nginx</center></body></html><!-- a padding to disable MSIE and Chrome friendly error page --><!-- a padding to disable MSIE and Chrome friendly error page --><!-- a padding to disable MSIE and Chrome friendly error page --><!-- a padding to disable MSIE and Chrome friendly error page --><!-- a padding to disable MSIE and Chrome friendly error page --><!-- a padding to disable MSIE and Chrome friendly error page -->

Source: EXCEL.EXE, 00000000.00000002.1040925299.0000000005297000.00000004.00000001.sdmp	String found in binary or memory: http://158.69.133.78/574766024224.dat
Source: EXCEL.EXE, 00000000.00000002.1041980288.0000000005B3D000.00000004.00000001.sdmp	String found in binary or memory: http://158.69.133.78/574766024224.dat2
Source: EXCEL.EXE, 00000000.00000002.1040925299.0000000005297000.00000004.00000001.sdmp	String found in binary or memory: http://185.82.126.78/574766024224.dat
Source: EXCEL.EXE, 00000000.00000002.1041980288.0000000005B3D000.00000004.00000001.sdmp	String found in binary or memory: http://185.82.126.78/574766024224.dat2
Source: EXCEL.EXE, 00000000.00000002.1041980288.0000000005B3D000.00000004.00000001.sdmp	String found in binary or memory: http://185.82.126.78/574766024224.dat29
Source: EXCEL.EXE, 00000000.00000002.1040925299.0000000005297000.00000004.00000001.sdmp	String found in binary or memory: http://45.142.211.62/574766024224.dat
Source: EXCEL.EXE, 00000000.00000002.1040925299.0000000005297000.00000004.00000001.sdmp	String found in binary or memory: http://45.142.211.62/574766024224.dat#/
Source: EXCEL.EXE, 00000000.00000002.1041980288.0000000005B3D000.00000004.00000001.sdmp	String found in binary or memory: http://45.142.211.62/574766024224.dat2
Source: EXCEL.EXE, 00000000.00000002.1041026257.00000000053A0000.00000002.00020000.sdmp, regsvr32.exe, 00000006.00000002.1036044186.00000000048E0000.00000002.00020000.sdmp, regsvr32.exe, 00000007.00000002.1036063924.0000000004850000.00000002.00020000.sdmp, regsvr32.exe, 00000009.00000002.1036057215.0000000004A70000.00000002.00020000.sdmp, regsvr32.exe, 0000000B.00000002.808723112.00000000048A0000.00000002.00020000.sdmp	String found in binary or memory: http://investor.msn.com
Source: EXCEL.EXE, 00000000.00000002.1041026257.00000000053A0000.00000002.00020000.sdmp, regsvr32.exe, 00000006.00000002.1036044186.00000000048E0000.00000002.00020000.sdmp, regsvr32.exe, 00000007.00000002.1036063924.0000000004850000.00000002.00020000.sdmp, regsvr32.exe, 00000009.00000002.1036057215.0000000004A70000.00000002.00020000.sdmp, regsvr32.exe, 0000000B.00000002.808723112.00000000048A0000.00000002.00020000.sdmp	String found in binary or memory: http://investor.msn.com/
Source: EXCEL.EXE, 00000000.00000002.1041541153.0000000005587000.00000002.00020000.sdmp, regsvr32.exe, 00000006.00000002.1036389429.0000000004AC7000.00000002.00020000.sdmp, regsvr32.exe, 00000007.00000002.1036411560.0000000004A37000.00000002.00020000.sdmp, regsvr32.exe, 00000009.00000002.1036402888.0000000004C57000.00000002.00020000.sdmp	String found in binary or memory: http://localizability/practices/XML.asp
Source: EXCEL.EXE, 00000000.00000002.1041541153.0000000005587000.00000002.00020000.sdmp, regsvr32.exe, 00000006.00000002.1036389429.0000000004AC7000.00000002.00020000.sdmp, regsvr32.exe, 00000007.00000002.1036411560.0000000004A37000.00000002.00020000.sdmp, regsvr32.exe, 00000009.00000002.1036402888.0000000004C57000.00000002.00020000.sdmp	String found in binary or memory: http://localizability/practices/XMLConfiguration.asp
Source: regsvr32.exe, 00000006.00000002.1035342275.0000000003AB0000.00000002.00020000.sdmp, regsvr32.exe, 00000007.00000002.1035333395.0000000003A00000.00000002.00020000.sdmp	String found in binary or memory: http://schemas.xmlsoap.org/ws/2004/08/addressing/role/anonymous.
Source: regsvr32.exe, 00000006.00000002.1034758219.0000000001D50000.00000002.00020000.sdmp, regsvr32.exe, 00000007.00000002.1034921258.0000000001E40000.00000002.00020000.sdmp	String found in binary or memory: http://servername/isapibackend.dll
Source: EXCEL.EXE, 00000000.00000002.1041541153.0000000005587000.00000002.00020000.sdmp, regsvr32.exe, 00000006.00000002.1036389429.0000000004AC7000.00000002.00020000.sdmp, regsvr32.exe, 00000007.00000002.1036411560.0000000004A37000.00000002.00020000.sdmp, regsvr32.exe, 00000009.00000002.1036402888.0000000004C57000.00000002.00020000.sdmp	String found in binary or memory: http://services.msn.com/svcs/oe/certpage.asp?name=%s&email=%s&&Check
Source: EXCEL.EXE, 00000000.00000002.1041541153.0000000005587000.00000002.00020000.sdmp, regsvr32.exe, 00000006.00000002.1036389429.0000000004AC7000.00000002.00020000.sdmp, regsvr32.exe, 00000007.00000002.1036411560.0000000004A37000.00000002.00020000.sdmp, regsvr32.exe, 00000009.00000002.1036402888.0000000004C57000.00000002.00020000.sdmp	String found in binary or memory: http://windowsmedia.com/redir/services.asp?WMPFriendly=true
Source: regsvr32.exe, 00000006.00000002.1035342275.0000000003AB0000.00000002.00020000.sdmp, regsvr32.exe, 00000007.00000002.1035333395.0000000003A00000.00000002.00020000.sdmp	String found in binary or memory: http://www.%s.comPA
Source: EXCEL.EXE, 00000000.00000002.1041026257.00000000053A0000.00000002.00020000.sdmp, regsvr32.exe, 00000006.00000002.1036044186.00000000048E0000.00000002.00020000.sdmp, regsvr32.exe, 00000007.00000002.1036063924.0000000004850000.00000002.00020000.sdmp, regsvr32.exe, 00000009.00000002.1036057215.0000000004A70000.00000002.00020000.sdmp, regsvr32.exe, 0000000B.00000002.808723112.00000000048A0000.00000002.00020000.sdmp	String found in binary or memory: http://www.hotmail.com/oe
Source: EXCEL.EXE, 00000000.00000002.1041541153.0000000005587000.00000002.00020000.sdmp, regsvr32.exe, 00000006.00000002.1036389429.0000000004AC7000.00000002.00020000.sdmp, regsvr32.exe, 00000007.00000002.1036411560.0000000004A37000.00000002.00020000.sdmp, regsvr32.exe, 00000009.00000002.1036402888.0000000004C57000.00000002.00020000.sdmp	String found in binary or memory: http://www.icra.org/vocabulary/.
Source: EXCEL.EXE, 00000000.00000002.1041026257.00000000053A0000.00000002.00020000.sdmp, regsvr32.exe, 00000006.00000002.1036044186.00000000048E0000.00000002.00020000.sdmp, regsvr32.exe, 00000007.00000002.1036063924.0000000004850000.00000002.00020000.sdmp, regsvr32.exe, 00000009.00000002.1036057215.0000000004A70000.00000002.00020000.sdmp, regsvr32.exe, 0000000B.00000002.808723112.00000000048A0000.00000002.00020000.sdmp	String found in binary or memory: http://www.msnbc.com/news/ticker.txt
Source: regsvr32.exe, 0000000B.00000002.808723112.00000000048A0000.00000002.00020000.sdmp	String found in binary or memory: http://www.windows.com/pctv.

Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE

File created: C:\Users\user\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.MSO\DD699F23.jpg

Jump to behavior

Source: global traffic	HTTP traffic detected: GET /574766024224.dat HTTP/1.1Accept: /UA-CPU: AMD64Accept-Encoding: gzip, deflateUser-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; Win64; x64; Trident/7.0; .NET CLR 2.0.50727; SLCC2; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; .NET4.0E)Host: 158.69.133.78Connection: Keep-Alive
Source: global traffic	HTTP traffic detected: GET /574766024224.dat2 HTTP/1.1Accept: /UA-CPU: AMD64Accept-Encoding: gzip, deflateUser-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; Win64; x64; Trident/7.0; .NET CLR 2.0.50727; SLCC2; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; .NET4.0E)Host: 158.69.133.78Connection: Keep-Alive

System Summary:

Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)

Source: Screenshot number: 4	Screenshot OCR: Enable editing" in the yellow bar above. example of notification ( 0 ~EcmwARNNG Thisfileoriginate
Source: Screenshot number: 4	Screenshot OCR: Enable Content" to perform Microsoft Excel Decryption Core to start the decryption of the document.
Source: Screenshot number: 4	Screenshot OCR: Enable Macros ) Why I can not open this document? - You are using iOS or Android device. Please us

Found Excel 4.0 Macro with suspicious formulas

Source: ClaimCopy-355714047-12022021.xlsb

Initial sample: EXEC

Found protected and hidden Excel 4.0 Macro sheet

Source: ClaimCopy-355714047-12022021.xlsb

Initial sample: Sheet name: Tiposa1

Found a hidden Excel 4.0 Macro sheet

Source: ClaimCopy-355714047-12022021.xlsb	Macro extractor: Sheet name: Tiposa1
Source: ClaimCopy-355714047-12022021.xlsb	Macro extractor: Sheet name: Tiposa

Detected potential crypto function

Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Code function: 0_2_02197820	0_2_02197820
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Code function: 0_2_02196753	0_2_02196753
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Code function: 0_2_02196340	0_2_02196340
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Code function: 0_2_02196743	0_2_02196743
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Code function: 0_2_021966F3	0_2_021966F3
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Code function: 0_2_021966E8	0_2_021966E8

Source: ClaimCopy-355714047-12022021.xlsb

Virustotal: Detection: 10%

Source: C:\Windows\System32\regsvr32.exe

Key opened: HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\Safer\CodeIdentifiers

Jump to behavior

Source: unknown	Process created: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE "C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /automation -Embedding
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Process created: C:\Windows\System32\regsvr32.exe regsvr32 C:\ProgramData\Volet1.ocx
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Process created: C:\Windows\System32\regsvr32.exe regsvr32 C:\ProgramData\Volet2.ocx
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Process created: C:\Windows\System32\regsvr32.exe regsvr32 C:\ProgramData\Volet3.ocx
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Process created: C:\Windows\System32\regsvr32.exe regsvr32 -e -n -i:&Tiposa!G22& C:\ProgramData\Volet4.ocx
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Process created: C:\Windows\System32\regsvr32.exe regsvr32 -e -n -i:&Tiposa!G22& C:\ProgramData\Volet5.ocx
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Process created: C:\Windows\System32\regsvr32.exe regsvr32 -e -n -i:&Tiposa!G22& C:\ProgramData\Volet6.ocx
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Process created: C:\Windows\System32\regsvr32.exe regsvr32 C:\ProgramData\Volet1.ocx	Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Process created: C:\Windows\System32\regsvr32.exe regsvr32 C:\ProgramData\Volet2.ocx	Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Process created: C:\Windows\System32\regsvr32.exe regsvr32 C:\ProgramData\Volet3.ocx	Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Process created: C:\Windows\System32\regsvr32.exe regsvr32 -e -n -i:&Tiposa!G22& C:\ProgramData\Volet4.ocx	Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Process created: C:\Windows\System32\regsvr32.exe regsvr32 -e -n -i:&Tiposa!G22& C:\ProgramData\Volet5.ocx	Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Process created: C:\Windows\System32\regsvr32.exe regsvr32 -e -n -i:&Tiposa!G22& C:\ProgramData\Volet6.ocx	Jump to behavior

Binary or memory string: .VBPud<_

Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE

File created: C:\Users\user\Desktop\~$ClaimCopy-355714047-12022021.xlsb

Jump to behavior

Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE

File created: C:\Users\user\AppData\Local\Temp\CVRD123.tmp

Jump to behavior

Source: classification engine

Classification label: mal76.expl.evad.winXLSB@13/5@0/3

Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE

File read: C:\Users\desktop.ini

Jump to behavior

Source: Window Recorder

Window detected: More than 3 window changes detected

Source: ClaimCopy-355714047-12022021.xlsb	Initial sample: OLE zip file path = xl/media/image1.jpg
Source: ClaimCopy-355714047-12022021.xlsb	Initial sample: OLE zip file path = xl/printerSettings/printerSettings2.bin
Source: C8260000.0.dr	Initial sample: OLE zip file path = xl/media/image1.jpg
Source: C8260000.0.dr	Initial sample: OLE zip file path = xl/printerSettings/printerSettings2.bin

Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE

Key opened: HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Excel\Resiliency\StartupItems

Jump to behavior

Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE

File opened: C:\Windows\WinSxS\amd64_microsoft.vc90.crt_1fc8b3b9a1e18e3b_9.0.30729.4940_none_08e4299fa83d7e3c\MSVCR90.dll

Jump to behavior

Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\regsvr32.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\regsvr32.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\regsvr32.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\regsvr32.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\regsvr32.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\regsvr32.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior

Malware Analysis System Evasion:

May sleep (evasive loops) to hinder dynamic analysis

Source: C:\Windows\System32\regsvr32.exe TID: 2508	Thread sleep time: -60000s >= -30000s	Jump to behavior
Source: C:\Windows\System32\regsvr32.exe TID: 1212	Thread sleep time: -60000s >= -30000s	Jump to behavior
Source: C:\Windows\System32\regsvr32.exe TID: 2272	Thread sleep time: -60000s >= -30000s	Jump to behavior

Source: EXCEL.EXE, 00000000.00000002.1035010452.00000000008B0000.00000002.00020000.sdmp, regsvr32.exe, 00000006.00000002.1034677381.0000000000950000.00000002.00020000.sdmp, regsvr32.exe, 00000007.00000002.1034864920.0000000000A40000.00000002.00020000.sdmp, regsvr32.exe, 00000009.00000002.1034863173.0000000000A20000.00000002.00020000.sdmp	Binary or memory string: Shell_TrayWnd
Source: EXCEL.EXE, 00000000.00000002.1035010452.00000000008B0000.00000002.00020000.sdmp, regsvr32.exe, 00000006.00000002.1034677381.0000000000950000.00000002.00020000.sdmp, regsvr32.exe, 00000007.00000002.1034864920.0000000000A40000.00000002.00020000.sdmp, regsvr32.exe, 00000009.00000002.1034863173.0000000000A20000.00000002.00020000.sdmp	Binary or memory string: !Progman
Source: EXCEL.EXE, 00000000.00000002.1035010452.00000000008B0000.00000002.00020000.sdmp, regsvr32.exe, 00000006.00000002.1034677381.0000000000950000.00000002.00020000.sdmp, regsvr32.exe, 00000007.00000002.1034864920.0000000000A40000.00000002.00020000.sdmp, regsvr32.exe, 00000009.00000002.1034863173.0000000000A20000.00000002.00020000.sdmp	Binary or memory string: Program Manager<

ID:	532933
Product:	CloudBasic
Start time:	20:48:05
Start date:	02.12.2021
Sample:	ClaimCopy-355714047-12022021.xlsb
Cookbook:	defaultwindowsofficecookbook.jbs
System description:	Windows 7 x64 SP1 with Office 2010 SP1 (IE 11, FF52, Chrome 57, Adobe Reader DC 15, Flash 25.0.0.127, Java 8 Update 121, .NET 4.6.2)
Architecture:	WINDOWS
MD5:	1f51fa867f5bbce3ab1cc40bf75f7f9b
SHA1:	2c690539b53f4db35af92e2b88880c3d76fcd323
SHA256:	f3dc3443c7ba185b1c8eff63807384e9bb6734fa0774d9964213dd9baf3fb3c3
Filetype:	Microsoft Excel Office Binary workbook document (40504/1) 83.51%

Name	Type	MD5	SHA1	SHA256
C:\Users\user\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.MSO\DD699F23.jpg	JPEG image data, JFIF standard 1.01, aspect ratio, density 1x1, segment length 16, progressive, precision 8, 1098x988, frames 3	4F100E2CEFED046B44EC799015B454EF	5149E5D1B5212C77B3548914E9B47D67B4BEA574	D30B441AB0E88A1487F29A80D63E2A4865A3F5DF7854FB8359B354397F807E2C
C:\Users\user\Desktop\C8260000	Microsoft Excel 2007+	DE0865E59F5EB8038E646D9789819DD6	094D57774070BACAAA69C3A6BDCFA2B9743301AA	34787D413A8BDB2B87D671E22E5C648AFD41C8B4E7E10BE09E6D2D827CED6AD8
C:\Users\user\Desktop\C8260000:Zone.Identifier	ASCII text, with CRLF line terminators	187F488E27DB4AF347237FE461A079AD	6693BA299EC1881249D59262276A0D2CB21F8E64	255A65D30841AB4082BD9D0EEA79D49C5EE88F56136157D8D6156AEF11C12309
C:\Users\user\Desktop\ClaimCopy-355714047-12022021.xlsbE. (copy)	Microsoft Excel 2007+	DE0865E59F5EB8038E646D9789819DD6	094D57774070BACAAA69C3A6BDCFA2B9743301AA	34787D413A8BDB2B87D671E22E5C648AFD41C8B4E7E10BE09E6D2D827CED6AD8
C:\Users\user\Desktop\~$ClaimCopy-355714047-12022021.xlsb	data	797869BB881CFBCDAC2064F92B26E46F	61C1B8FBF505956A77E9A79CE74EF5E281B01F4B	D4E4008DD7DFB936F22D9EF3CC569C6F88804715EAB8101045BA1CD0B081F185

Windows Analysis Report ClaimCopy-355714047-12022021.xlsb

Overview

General Information

Detection

Signatures

Classification

Signatures

AV Detection:

Compliance:

Software Vulnerabilities:

Networking:

System Summary:

Hooking and other Techniques for Hiding and Protection:

Malware Analysis System Evasion:

HIPS / PFW / Operating System Protection Evasion:

Screenshots

Behavior Graph

Network Map

Contacted Public IPs

Contacted URLs