Analysis
- max time kernel
94s - max time network
112s - platform
windows10-2004_x64 - resource
win10v2004-20240611-en - resource tags
- submitted
18/06/2024, 12:54
General
- Target bc0b5a982af034d2b6d5992e0af86a71_JaffaCakes118.exe
- Size 373KB
- Sample240618-p5pe1sthpc
- SHA256 1fad493e5bec3273b266272bdc673488f31282867da9b5a9d98c9d1f563a8e99
Malware Config
Signatures
- Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
- Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\bc0b5a982af034d2b6d5992e0af86a71_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\bc0b5a982af034d2b6d5992e0af86a71_JaffaCakes118.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\44feqdpc\44feqdpc.cmdline"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES6002.tmp" "c:\Users\Admin\AppData\Local\Temp\44feqdpc\CSCD67194E75E5D4D27957973764A7CB20.TMP"3⤵
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
44feqdpc.dll
44feqdpc.pdb
RES6002.tmp
44feqdpc.0.cs
44feqdpc.cmdline
CSCD67194E75E5D4D27957973764A7CB20.TMP
memory/1580-18-0x0000000004990000-0x0000000004998000-memory.dmp
memory/1580-24-0x00000000050F0000-0x000000000518C000-memory.dmp
memory/1580-2-0x0000000004960000-0x0000000004966000-memory.dmp
memory/1580-1-0x0000000000040000-0x00000000000A4000-memory.dmp
memory/1580-0-0x0000000074E5E000-0x0000000074E5F000-memory.dmp
memory/1580-20-0x0000000004AA0000-0x0000000004B32000-memory.dmp
memory/1580-21-0x0000000004FE0000-0x0000000005020000-memory.dmp
memory/1580-22-0x0000000004CB0000-0x0000000004CBC000-memory.dmp
memory/1580-23-0x0000000005020000-0x0000000005056000-memory.dmp
memory/1580-3-0x0000000074E50000-0x0000000075600000-memory.dmp
memory/1580-27-0x0000000074E50000-0x0000000075600000-memory.dmp
memory/2444-25-0x0000000000400000-0x0000000000436000-memory.dmp
memory/2444-28-0x0000000075042000-0x0000000075043000-memory.dmp
memory/2444-29-0x0000000075040000-0x00000000755F1000-memory.dmp
memory/2444-30-0x0000000075040000-0x00000000755F1000-memory.dmp
memory/2444-31-0x0000000075040000-0x00000000755F1000-memory.dmp
memory/2444-32-0x0000000075042000-0x0000000075043000-memory.dmp