Analysis Report SecuriteInfo.com.Exploit.Siggen3.10350.20211.29665

Overview

General Information

Sample Name: SecuriteInfo.com.Exploit.Siggen3.10350.20211.29665 (renamed file extension from 29665 to xls)
Analysis ID: 355601
MD5: a7466c0502a35e0bb2e2d4dd939a57c2
SHA1: 3d17487de5287ddb252e768753487c17204358db
SHA256: 7223ea0365af06d9e25b51636aec301aa8ab84682427b6a0eacfbfb20befccda

Most interesting Screenshot:

Detection

Hidden Macro 4.0 TrickBot
Score: 100
Range: 0 - 100
Whitelisted: false
Confidence: 100%

Signatures

Antivirus detection for URL or domain
Document exploit detected (drops PE files)
Found malicious Excel 4.0 Macro
Multi AV Scanner detection for submitted file
Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Yara detected Trickbot
Allocates memory in foreign processes
Document exploit detected (UrlDownloadToFile)
Document exploit detected (process start blacklist hit)
Drops PE files to the user root directory
Found Excel 4.0 Macro with suspicious formulas
Found evasive API chain (trying to detect sleep duration tampering with parallel thread)
Office process drops PE file
Sigma detected: Microsoft Office Product Spawning Windows Shell
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Allocates a big amount of memory (probably used for heap spraying)
Allocates memory within range which is reserved for system DLLs (kernel32.dll, advapi32.dll, etc)
Contains functionality for execution timing, often used to detect debuggers
Contains functionality to access loader functionality (e.g. LdrGetProcedureAddress)
Contains functionality to call native functions
Contains functionality to check if a debugger is running (IsDebuggerPresent)
Contains functionality to query network adapater information
Creates a process in suspended mode (likely to inject code)
Detected potential crypto function
Document contains embedded VBA macros
Dropped file seen in connection with other malware
Drops PE files
Drops PE files to the user directory
Drops files with a non-matching file extension (content does not match file extension)
Found dropped PE file which has not been started or loaded
Found inlined nop instructions (likely shell or obfuscated code)
IP address seen in connection with other malware
Internet Provider seen in connection with other malware
Potential document exploit detected (performs DNS queries)
Potential document exploit detected (performs HTTP gets)
Potential document exploit detected (unknown TCP traffic)
Queries the volume information (name, serial number etc) of a device
Sample execution stops while process was sleeping (likely an evasion)
Uses Microsoft's Enhanced Cryptographic Provider
Uses a known web browser user agent for HTTP communication
Uses code obfuscation techniques (call, push, ret)
Yara signature match

Classification

AV Detection:

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Antivirus detection for URL or domain
Source: http://www.chipmania.it/mails/open.php Avira URL Cloud: Label: malware
Multi AV Scanner detection for submitted file
Source: SecuriteInfo.com.Exploit.Siggen3.10350.20211.xls Virustotal: Detection: 11% Perma Link
Source: SecuriteInfo.com.Exploit.Siggen3.10350.20211.xls ReversingLabs: Detection: 23%

Cryptography:

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Uses Microsoft's Enhanced Cryptographic Provider
Source: C:\Windows\System32\wermgr.exe Code function: 6_2_0007BCA0 CryptAcquireContextW, 6_2_0007BCA0

Compliance:

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Uses new MSVCR Dlls
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
Binary contains paths to debug symbols
Source: Binary string: F:\projects\cryptor_beta\Bin\Crypter\CrypterDllReleaseNoLogs\Win32\Crypter.pdb source: rundll32.exe, 00000004.00000002.2088508081.000000006E859000.00000002.00020000.sdmp, BASE.BABAA.0.dr
Source: C:\Windows\System32\wermgr.exe Code function: 6_2_00061290 FindFirstFileW, 6_2_00061290
Source: C:\Windows\System32\wermgr.exe Code function: 6_2_000646F0 FindFirstFileW,FindNextFileW, 6_2_000646F0

Software Vulnerabilities:

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Document exploit detected (drops PE files)
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE File created: 10[1].jjkes.0.dr Jump to dropped file
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
Document exploit detected (process start blacklist hit)
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE Process created: C:\Windows\System32\rundll32.exe Jump to behavior
Allocates a big amount of memory (probably used for heap spraying)
Source: excel.exe Memory has grown: Private usage: 4MB later: 60MB
Found inlined nop instructions (likely shell or obfuscated code)
Source: C:\Windows\System32\wermgr.exe Code function: 4x nop then dec eax 6_2_000784E0
Source: C:\Windows\System32\wermgr.exe Code function: 4x nop then movzx edx, word ptr [eax] 6_2_000646F0
Source: C:\Windows\System32\wermgr.exe Code function: 4x nop then inc dword ptr [esp+40h] 6_2_000743C0
Source: C:\Windows\System32\wermgr.exe Code function: 4x nop then dec eax 6_2_000743C0
Source: C:\Windows\System32\wermgr.exe Code function: 4x nop then dec eax 6_2_00072C44
Source: C:\Windows\System32\wermgr.exe Code function: 4x nop then inc ecx 6_2_0007B050
Source: C:\Windows\System32\wermgr.exe Code function: 4x nop then dec eax 6_2_00073860
Source: C:\Windows\System32\wermgr.exe Code function: 4x nop then dec ecx 6_2_00081890
Source: C:\Windows\System32\wermgr.exe Code function: 4x nop then dec eax 6_2_00081890
Source: C:\Windows\System32\wermgr.exe Code function: 4x nop then dec eax 6_2_000698D0
Source: C:\Windows\System32\wermgr.exe Code function: 4x nop then inc esp 6_2_000624E0
Source: C:\Windows\System32\wermgr.exe Code function: 4x nop then cmp byte ptr [ecx+edx+01h], 00000000h 6_2_00061500
Source: C:\Windows\System32\wermgr.exe Code function: 4x nop then dec eax 6_2_000789B0
Source: C:\Windows\System32\wermgr.exe Code function: 4x nop then dec eax 6_2_00065DF0
Source: C:\Windows\System32\wermgr.exe Code function: 4x nop then movzx ecx, word ptr [eax+02h] 6_2_00069200
Source: C:\Windows\System32\wermgr.exe Code function: 4x nop then movzx eax, byte ptr [ebx] 6_2_0007BE20
Source: C:\Windows\System32\wermgr.exe Code function: 4x nop then inc esp 6_2_0007B240
Source: C:\Windows\System32\wermgr.exe Code function: 4x nop then dec eax 6_2_000772A0
Source: C:\Windows\System32\wermgr.exe Code function: 4x nop then inc edx 6_2_0006BEC0
Source: C:\Windows\System32\wermgr.exe Code function: 4x nop then movzx ebx, word ptr [eax] 6_2_00073B00
Source: C:\Windows\System32\wermgr.exe Code function: 4x nop then mov ebx, edx 6_2_0006EBE0
Potential document exploit detected (performs DNS queries)
Source: global traffic DNS query: name: www.chipmania.it
Potential document exploit detected (performs HTTP gets)
Source: global traffic TCP traffic: 192.168.2.22:49166 -> 108.170.20.75:443
Potential document exploit detected (unknown TCP traffic)
Source: global traffic TCP traffic: 192.168.2.22:49165 -> 185.81.0.78:80

Networking:

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Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Source: Traffic Snort IDS: 2404302 ET CNC Feodo Tracker Reported CnC Server TCP group 2 192.168.2.22:49166 -> 108.170.20.75:443
Source: Traffic Snort IDS: 2404314 ET CNC Feodo Tracker Reported CnC Server TCP group 8 192.168.2.22:49168 -> 185.163.45.138:443
Source: Traffic Snort IDS: 2404324 ET CNC Feodo Tracker Reported CnC Server TCP group 13 192.168.2.22:49170 -> 200.52.147.93:443
Source: Traffic Snort IDS: 2404316 ET CNC Feodo Tracker Reported CnC Server TCP group 9 192.168.2.22:49171 -> 186.137.85.76:443
IP address seen in connection with other malware
Source: Joe Sandbox View IP Address: 108.170.20.75 108.170.20.75
Source: Joe Sandbox View IP Address: 185.81.0.78 185.81.0.78
Internet Provider seen in connection with other malware
Source: Joe Sandbox View ASN Name: SSASN2US SSASN2US
Source: Joe Sandbox View ASN Name: MIVOCLOUDMD MIVOCLOUDMD
Source: Joe Sandbox View ASN Name: RedesyTelecomunicacionesHN RedesyTelecomunicacionesHN
Uses a known web browser user agent for HTTP communication
Source: global traffic HTTP traffic detected: GET /mails/open.php 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: www.chipmania.itConnection: Keep-Alive
Source: unknown TCP traffic detected without corresponding DNS query: 108.170.20.75
Source: unknown TCP traffic detected without corresponding DNS query: 108.170.20.75
Source: unknown TCP traffic detected without corresponding DNS query: 108.170.20.75
Source: unknown TCP traffic detected without corresponding DNS query: 108.170.20.75
Source: unknown TCP traffic detected without corresponding DNS query: 108.170.20.75
Source: unknown TCP traffic detected without corresponding DNS query: 108.170.20.75
Source: unknown TCP traffic detected without corresponding DNS query: 185.163.45.138
Source: unknown TCP traffic detected without corresponding DNS query: 185.163.45.138
Source: unknown TCP traffic detected without corresponding DNS query: 185.163.45.138
Source: unknown TCP traffic detected without corresponding DNS query: 185.163.45.138
Source: unknown TCP traffic detected without corresponding DNS query: 185.163.45.138
Source: unknown TCP traffic detected without corresponding DNS query: 185.163.45.138
Source: unknown TCP traffic detected without corresponding DNS query: 200.52.147.93
Source: unknown TCP traffic detected without corresponding DNS query: 200.52.147.93
Source: unknown TCP traffic detected without corresponding DNS query: 200.52.147.93
Source: unknown TCP traffic detected without corresponding DNS query: 200.52.147.93
Source: unknown TCP traffic detected without corresponding DNS query: 200.52.147.93
Source: unknown TCP traffic detected without corresponding DNS query: 200.52.147.93
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE File created: C:\Users\user\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\T4O403JZ Jump to behavior
Source: global traffic HTTP traffic detected: GET /mails/open.php 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: www.chipmania.itConnection: Keep-Alive
Source: rundll32.exe, 00000003.00000002.2088682547.0000000001B20000.00000002.00000001.sdmp, rundll32.exe, 00000004.00000002.2087813336.0000000002020000.00000002.00000001.sdmp String found in binary or memory: Please visit http://www.hotmail.com/oe to learn more. equals www.hotmail.com (Hotmail)
Source: unknown DNS traffic detected: queries for: www.chipmania.it
Source: rundll32.exe, 00000003.00000002.2088682547.0000000001B20000.00000002.00000001.sdmp, rundll32.exe, 00000004.00000002.2087813336.0000000002020000.00000002.00000001.sdmp String found in binary or memory: http://investor.msn.com
Source: rundll32.exe, 00000003.00000002.2088682547.0000000001B20000.00000002.00000001.sdmp, rundll32.exe, 00000004.00000002.2087813336.0000000002020000.00000002.00000001.sdmp String found in binary or memory: http://investor.msn.com/
Source: rundll32.exe, 00000003.00000002.2088833322.0000000001D07000.00000002.00000001.sdmp, rundll32.exe, 00000004.00000002.2087971789.0000000002207000.00000002.00000001.sdmp String found in binary or memory: http://localizability/practices/XML.asp
Source: rundll32.exe, 00000003.00000002.2088833322.0000000001D07000.00000002.00000001.sdmp, rundll32.exe, 00000004.00000002.2087971789.0000000002207000.00000002.00000001.sdmp String found in binary or memory: http://localizability/practices/XMLConfiguration.asp
Source: rundll32.exe, 00000003.00000002.2088833322.0000000001D07000.00000002.00000001.sdmp, rundll32.exe, 00000004.00000002.2087971789.0000000002207000.00000002.00000001.sdmp String found in binary or memory: http://services.msn.com/svcs/oe/certpage.asp?name=%s&email=%s&&Check
Source: rundll32.exe, 00000003.00000002.2088833322.0000000001D07000.00000002.00000001.sdmp, rundll32.exe, 00000004.00000002.2087971789.0000000002207000.00000002.00000001.sdmp String found in binary or memory: http://windowsmedia.com/redir/services.asp?WMPFriendly=true
Source: rundll32.exe, 00000003.00000002.2088682547.0000000001B20000.00000002.00000001.sdmp, rundll32.exe, 00000004.00000002.2087813336.0000000002020000.00000002.00000001.sdmp String found in binary or memory: http://www.hotmail.com/oe
Source: rundll32.exe, 00000003.00000002.2088833322.0000000001D07000.00000002.00000001.sdmp, rundll32.exe, 00000004.00000002.2087971789.0000000002207000.00000002.00000001.sdmp String found in binary or memory: http://www.icra.org/vocabulary/.
Source: rundll32.exe, 00000003.00000002.2088682547.0000000001B20000.00000002.00000001.sdmp, rundll32.exe, 00000004.00000002.2087813336.0000000002020000.00000002.00000001.sdmp String found in binary or memory: http://www.msnbc.com/news/ticker.txt
Source: rundll32.exe, 00000004.00000002.2087813336.0000000002020000.00000002.00000001.sdmp String found in binary or memory: http://www.windows.com/pctv.
Source: wermgr.exe, 00000006.00000002.2350208217.000000000049D000.00000004.00000020.sdmp String found in binary or memory: https://200.52.147.93/rob60/472847_W617601.BDA8D11BBC2A2B9FB3BF7A79DA4C43E9/5/file/
Source: unknown Network traffic detected: HTTP traffic on port 443 -> 49169
Source: unknown Network traffic detected: HTTP traffic on port 443 -> 49168
Source: unknown Network traffic detected: HTTP traffic on port 443 -> 49170
Source: unknown Network traffic detected: HTTP traffic on port 49168 -> 443
Source: unknown Network traffic detected: HTTP traffic on port 49169 -> 443
Source: unknown Network traffic detected: HTTP traffic on port 49170 -> 443
Source: unknown Network traffic detected: HTTP traffic on port 49167 -> 443
Source: unknown Network traffic detected: HTTP traffic on port 49166 -> 443

System Summary:

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Found malicious Excel 4.0 Macro
Source: SecuriteInfo.com.Exploit.Siggen3.10350.20211.xls Initial sample: urlmon
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 button from the yellow bar above I . . . . . E' 15 16 Once you have enabled editing
Source: Screenshot number: 4 Screenshot OCR: Enable content button 'Yuts S," " from the yellow bar above :: "";"" " 6~_ 22 23 24 25 26 2
Source: Document image extraction number: 0 Screenshot OCR: Enable editing button from the yellow bar above Once you have enabled editing, please click Enable
Source: Document image extraction number: 0 Screenshot OCR: Enable content button from the yellow bar above I \ , I ' /
Source: Document image extraction number: 1 Screenshot OCR: Enable editing button from the yellow bar above Once you have enabled editing, please click Enable
Source: Document image extraction number: 1 Screenshot OCR: Enable content button from the yellow bar above j'
Found Excel 4.0 Macro with suspicious formulas
Source: SecuriteInfo.com.Exploit.Siggen3.10350.20211.xls Initial sample: EXEC
Office process drops PE file
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE File created: C:\Users\user\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\T4O403JZ\10[1].jjkes Jump to dropped file
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE File created: C:\Users\user\BASE.BABAA Jump to dropped file
Allocates memory within range which is reserved for system DLLs (kernel32.dll, advapi32.dll, etc)
Source: C:\Windows\SysWOW64\rundll32.exe Memory allocated: 76E20000 page execute and read and write Jump to behavior
Source: C:\Windows\SysWOW64\rundll32.exe Memory allocated: 76D20000 page execute and read and write Jump to behavior
Contains functionality to call native functions
Source: C:\Windows\System32\wermgr.exe Code function: 6_2_0007B470 NtDelayExecution, 6_2_0007B470
Source: C:\Windows\System32\wermgr.exe Code function: 6_2_000743C0 NtQuerySystemInformation,DuplicateHandle,CLSIDFromString,HeapFree, 6_2_000743C0
Detected potential crypto function
Source: C:\Windows\System32\wermgr.exe Code function: 6_2_00082060 6_2_00082060
Source: C:\Windows\System32\wermgr.exe Code function: 6_2_0007BCA0 6_2_0007BCA0
Source: C:\Windows\System32\wermgr.exe Code function: 6_2_00078CA0 6_2_00078CA0
Source: C:\Windows\System32\wermgr.exe Code function: 6_2_0006E0F0 6_2_0006E0F0
Source: C:\Windows\System32\wermgr.exe Code function: 6_2_00061290 6_2_00061290
Source: C:\Windows\System32\wermgr.exe Code function: 6_2_000743C0 6_2_000743C0
Source: C:\Windows\System32\wermgr.exe Code function: 6_2_00068010 6_2_00068010
Source: C:\Windows\System32\wermgr.exe Code function: 6_2_00077840 6_2_00077840
Source: C:\Windows\System32\wermgr.exe Code function: 6_2_00080870 6_2_00080870
Source: C:\Windows\System32\wermgr.exe Code function: 6_2_000644C0 6_2_000644C0
Source: C:\Windows\System32\wermgr.exe Code function: 6_2_000790E0 6_2_000790E0
Source: C:\Windows\System32\wermgr.exe Code function: 6_2_000714F0 6_2_000714F0
Source: C:\Windows\System32\wermgr.exe Code function: 6_2_00061500 6_2_00061500
Source: C:\Windows\System32\wermgr.exe Code function: 6_2_00076100 6_2_00076100
Source: C:\Windows\System32\wermgr.exe Code function: 6_2_00076D10 6_2_00076D10
Source: C:\Windows\System32\wermgr.exe Code function: 6_2_00072580 6_2_00072580
Source: C:\Windows\System32\wermgr.exe Code function: 6_2_000789B0 6_2_000789B0
Source: C:\Windows\System32\wermgr.exe Code function: 6_2_00069200 6_2_00069200
Source: C:\Windows\System32\wermgr.exe Code function: 6_2_0007CA00 6_2_0007CA00
Source: C:\Windows\System32\wermgr.exe Code function: 6_2_0007BE20 6_2_0007BE20
Source: C:\Windows\System32\wermgr.exe Code function: 6_2_00077630 6_2_00077630
Source: C:\Windows\System32\wermgr.exe Code function: 6_2_0007CE70 6_2_0007CE70
Source: C:\Windows\System32\wermgr.exe Code function: 6_2_0006A280 6_2_0006A280
Source: C:\Windows\System32\wermgr.exe Code function: 6_2_0006C290 6_2_0006C290
Source: C:\Windows\System32\wermgr.exe Code function: 6_2_0006CEB0 6_2_0006CEB0
Source: C:\Windows\System32\wermgr.exe Code function: 6_2_0007B700 6_2_0007B700
Source: C:\Windows\System32\wermgr.exe Code function: 6_2_00073B00 6_2_00073B00
Source: C:\Windows\System32\wermgr.exe Code function: 6_2_0006E310 6_2_0006E310
Source: C:\Windows\System32\wermgr.exe Code function: 6_2_00062720 6_2_00062720
Source: C:\Windows\System32\wermgr.exe Code function: 6_2_00075F70 6_2_00075F70
Source: C:\Windows\System32\wermgr.exe Code function: 6_2_000763A8 6_2_000763A8
Source: C:\Windows\System32\wermgr.exe Code function: 6_2_000717B0 6_2_000717B0
Source: C:\Windows\System32\wermgr.exe Code function: 6_2_00110040 6_2_00110040
Document contains embedded VBA macros
Source: SecuriteInfo.com.Exploit.Siggen3.10350.20211.xls OLE indicator, VBA macros: true
Dropped file seen in connection with other malware
Source: Joe Sandbox View Dropped File: C:\Users\user\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\T4O403JZ\10[1].jjkes AA7931E3E85D3C5BD6FC2052C38BEE389BFBA9281A8616DA3275149A689EC5EB
Source: Joe Sandbox View Dropped File: C:\Users\user\BASE.BABAA AA7931E3E85D3C5BD6FC2052C38BEE389BFBA9281A8616DA3275149A689EC5EB
Yara signature match
Source: SecuriteInfo.com.Exploit.Siggen3.10350.20211.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: rundll32.exe, 00000003.00000002.2088682547.0000000001B20000.00000002.00000001.sdmp, rundll32.exe, 00000004.00000002.2087813336.0000000002020000.00000002.00000001.sdmp Binary or memory string: .VBPud<_
Source: classification engine Classification label: mal100.troj.expl.evad.winXLS@9/7@1/4
Source: C:\Windows\System32\wermgr.exe Code function: 6_2_00064C40 LookupPrivilegeValueW,AdjustTokenPrivileges,CloseHandle, 6_2_00064C40
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE File created: C:\Users\user\Desktop\67CE0000 Jump to behavior
Source: C:\Windows\System32\wermgr.exe Mutant created: \Sessions\1\BaseNamedObjects\Global\{C31B99FC-2BF4-9061-9992-AA9861ECBC5C}
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE File created: C:\Users\user\AppData\Local\Temp\CVRBB24.tmp Jump to behavior
Source: SecuriteInfo.com.Exploit.Siggen3.10350.20211.xls OLE indicator, Workbook stream: true
Source: C:\Windows\System32\wermgr.exe System information queried: HandleInformation Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE File read: C:\Users\desktop.ini Jump to behavior<