Analysis
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max time kernel
150s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
27-08-2024 10:15
Static task
static1
Behavioral task
behavioral1
Sample
c4cc84da13c4aeeeb38d83984e27250a_JaffaCakes118.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
c4cc84da13c4aeeeb38d83984e27250a_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
c4cc84da13c4aeeeb38d83984e27250a_JaffaCakes118.exe
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Size
732KB
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MD5
c4cc84da13c4aeeeb38d83984e27250a
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SHA1
0c2bcf7e13c4149d2bb545cecf9c77f92a8b0a6f
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SHA256
a45dc65ff40872a45e23fbd924e6c02ca069b1c7c90aebd4003eccb40969f1b7
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SHA512
49014bc2e1e2cf6fd021f7c7e9cd3663443be8863963bd59e856e11bcee1b48e759fbd3a000b5e700fd5d145769c14847c0c4e7168224f7824c59eaae9044b21
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SSDEEP
12288:2oL4EnU4T/vjLAEkPHyTN7tcZor54TpEjVrW23NOFoG08/QOMaM/ha/F:2wnU4TDLbGSDcyiTpUrh3AF3s3h4F
Malware Config
Extracted
Protocol: smtp- Host:
smtp.vivaldi.net - Port:
587 - Username:
[email protected] - Password:
nAMkXP8FUGvSc3wjPCKF
Signatures
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Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
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Detected Nirsoft tools 2 IoCs
Free utilities often used by attackers which can steal passwords, product keys, etc.
Processes:
resource yara_rule behavioral1/memory/112-616-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/112-625-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft -
NirSoft MailPassView 2 IoCs
Password recovery tool for various email clients
Processes:
resource yara_rule behavioral1/memory/112-616-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/112-625-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView -
Deletes itself 1 IoCs
Processes:
Windows Update.exepid Process 560 Windows Update.exe -
Executes dropped EXE 1 IoCs
Processes:
Windows Update.exepid Process 560 Windows Update.exe -
Loads dropped DLL 1 IoCs
Processes:
c4cc84da13c4aeeeb38d83984e27250a_JaffaCakes118.exepid Process 1064 c4cc84da13c4aeeeb38d83984e27250a_JaffaCakes118.exe -
Uses the VBS compiler for execution 1 TTPs
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Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
Processes:
vbc.exedescription ioc Process Key opened \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts vbc.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
Windows Update.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update = "C:\\Users\\Admin\\AppData\\Roaming\\WindowsUpdate.exe" Windows Update.exe -
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 7 whatismyipaddress.com 4 whatismyipaddress.com 6 whatismyipaddress.com -
Suspicious use of SetThreadContext 2 IoCs
Processes:
Windows Update.exedescription pid Process procid_target PID 560 set thread context of 112 560 Windows Update.exe 33 PID 560 set thread context of 1332 560 Windows Update.exe 34 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
c4cc84da13c4aeeeb38d83984e27250a_JaffaCakes118.exeWindows Update.exevbc.exevbc.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c4cc84da13c4aeeeb38d83984e27250a_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Windows Update.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vbc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vbc.exe -
Processes:
Windows Update.exedescription ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8 Windows Update.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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 Windows Update.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
Windows Update.exepid Process 560 Windows Update.exe 560 Windows Update.exe 560 Windows Update.exe 560 Windows Update.exe 560 Windows Update.exe 560 Windows Update.exe 560 Windows Update.exe 560 Windows Update.exe 560 Windows Update.exe 560 Windows Update.exe 560 Windows Update.exe 560 Windows Update.exe 560 Windows Update.exe 560 Windows Update.exe 560 Windows Update.exe 560 Windows Update.exe 560 Windows Update.exe 560 Windows Update.exe 560 Windows Update.exe 560 Windows Update.exe 560 Windows Update.exe 560 Windows Update.exe 560 Windows Update.exe 560 Windows Update.exe 560 Windows Update.exe 560 Windows Update.exe 560 Windows Update.exe 560 Windows Update.exe 560 Windows Update.exe 560 Windows Update.exe 560 Windows Update.exe 560 Windows Update.exe 560 Windows Update.exe 560 Windows Update.exe 560 Windows Update.exe 560 Windows Update.exe 560 Windows Update.exe 560 Windows Update.exe 560 Windows Update.exe 560 Windows Update.exe 560 Windows Update.exe 560 Windows Update.exe 560 Windows Update.exe 560 Windows Update.exe 560 Windows Update.exe 560 Windows Update.exe 560 Windows Update.exe 560 Windows Update.exe 560 Windows Update.exe 560 Windows Update.exe 560 Windows Update.exe 560 Windows Update.exe 560 Windows Update.exe 560 Windows Update.exe 560 Windows Update.exe 560 Windows Update.exe 560 Windows Update.exe 560 Windows Update.exe 560 Windows Update.exe 560 Windows Update.exe 560 Windows Update.exe 560 Windows Update.exe 560 Windows Update.exe 560 Windows Update.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
c4cc84da13c4aeeeb38d83984e27250a_JaffaCakes118.exeWindows Update.exedescription pid Process Token: SeDebugPrivilege 1064 c4cc84da13c4aeeeb38d83984e27250a_JaffaCakes118.exe Token: SeDebugPrivilege 560 Windows Update.exe -
Suspicious use of WriteProcessMemory 27 IoCs
Processes:
c4cc84da13c4aeeeb38d83984e27250a_JaffaCakes118.exeWindows Update.exedescription pid Process procid_target PID 1064 wrote to memory of 560 1064 c4cc84da13c4aeeeb38d83984e27250a_JaffaCakes118.exe 30 PID 1064 wrote to memory of 560 1064 c4cc84da13c4aeeeb38d83984e27250a_JaffaCakes118.exe 30 PID 1064 wrote to memory of 560 1064 c4cc84da13c4aeeeb38d83984e27250a_JaffaCakes118.exe 30 PID 1064 wrote to memory of 560 1064 c4cc84da13c4aeeeb38d83984e27250a_JaffaCakes118.exe 30 PID 1064 wrote to memory of 560 1064 c4cc84da13c4aeeeb38d83984e27250a_JaffaCakes118.exe 30 PID 1064 wrote to memory of 560 1064 c4cc84da13c4aeeeb38d83984e27250a_JaffaCakes118.exe 30 PID 1064 wrote to memory of 560 1064 c4cc84da13c4aeeeb38d83984e27250a_JaffaCakes118.exe 30 PID 560 wrote to memory of 112 560 Windows Update.exe 33 PID 560 wrote to memory of 112 560 Windows Update.exe 33 PID 560 wrote to memory of 112 560 Windows Update.exe 33 PID 560 wrote to memory of 112 560 Windows Update.exe 33 PID 560 wrote to memory of 112 560 Windows Update.exe 33 PID 560 wrote to memory of 112 560 Windows Update.exe 33 PID 560 wrote to memory of 112 560 Windows Update.exe 33 PID 560 wrote to memory of 112 560 Windows Update.exe 33 PID 560 wrote to memory of 112 560 Windows Update.exe 33 PID 560 wrote to memory of 112 560 Windows Update.exe 33 PID 560 wrote to memory of 1332 560 Windows Update.exe 34 PID 560 wrote to memory of 1332 560 Windows Update.exe 34 PID 560 wrote to memory of 1332 560 Windows Update.exe 34 PID 560 wrote to memory of 1332 560 Windows Update.exe 34 PID 560 wrote to memory of 1332 560 Windows Update.exe 34 PID 560 wrote to memory of 1332 560 Windows Update.exe 34 PID 560 wrote to memory of 1332 560 Windows Update.exe 34 PID 560 wrote to memory of 1332 560 Windows Update.exe 34 PID 560 wrote to memory of 1332 560 Windows Update.exe 34 PID 560 wrote to memory of 1332 560 Windows Update.exe 34
Processes
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C:\Users\Admin\AppData\Local\Temp\c4cc84da13c4aeeeb38d83984e27250a_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\c4cc84da13c4aeeeb38d83984e27250a_JaffaCakes118.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1064 -
C:\Users\Admin\AppData\Roaming\Windows Update.exe"C:\Users\Admin\AppData\Roaming\Windows Update.exe"2⤵
- Deletes itself
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:560 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeC:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holdermail.txt"3⤵
- Accesses Microsoft Outlook accounts
- System Location Discovery: System Language Discovery
PID:112
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeC:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holderwb.txt"3⤵
- System Location Discovery: System Language Discovery
PID:1332
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Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Modify Registry
2Scripting
1Subvert Trust Controls
1Install Root Certificate
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
84B
MD5787c67d033f18c75bfb5be028a94f96a
SHA1aad21bbb1cd5335207caad28b47075b3b611b795
SHA25651cd34a751c3daa8b923475b2cebc49d1f9bb9c53ba3f2fcdb2c6c486a57a49a
SHA51233df2f958694735718b659f4376c772497ddfcba3afb1f1680a6dfb5dd25db9691e7a69269c6bf8b7979cf5c86c0a5926bcb8675f7c6fad07eb3c36ec7066994
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Filesize
2B
MD5f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84
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Filesize
732KB
MD5c4cc84da13c4aeeeb38d83984e27250a
SHA10c2bcf7e13c4149d2bb545cecf9c77f92a8b0a6f
SHA256a45dc65ff40872a45e23fbd924e6c02ca069b1c7c90aebd4003eccb40969f1b7
SHA51249014bc2e1e2cf6fd021f7c7e9cd3663443be8863963bd59e856e11bcee1b48e759fbd3a000b5e700fd5d145769c14847c0c4e7168224f7824c59eaae9044b21