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Analysis
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max time kernel
150s -
max time network
122s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
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submitted
04/06/2024, 01:48
General
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Target
93530c4c096769f27688048f640a4eea_JaffaCakes118.exe
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Size
638KB
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MD5
93530c4c096769f27688048f640a4eea
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SHA1
4b024d9bedd8746afe060dc5d0c083f0ebe412de
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SHA256
461a9c4bf2d2b7d32a5b31ee339daa9fdaeaf703fe19f5dba5267f5c95cbd9b3
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SHA512
ebb1d9ed38345138f0483425dbcec9cb4c74f99211a6af09479f2cd939aacf6a8b8f3d40e257e54bf393d059f4779d92282a82e4750b43713c8c47f5be10bac4
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SSDEEP
12288:P8yIy581Qv8yIy581QrpiFowjWodmfvIjL2cw0NHFn:fn8m/n8mNGowjWimHIjL283
Malware Config
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE 1 IoCs
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Obfuscated with Agile.Net obfuscator 1 IoCs
Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.
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Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
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Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
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Adds Run key to start application 2 TTPs 1 IoCs
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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
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Suspicious use of SetThreadContext 1 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 64 IoCs
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Suspicious use of AdjustPrivilegeToken 3 IoCs
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Suspicious use of SetWindowsHookEx 1 IoCs
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Suspicious use of WriteProcessMemory 11 IoCs
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outlook_office_path 1 IoCs
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outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\93530c4c096769f27688048f640a4eea_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\93530c4c096769f27688048f640a4eea_JaffaCakes118.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
- Checks computer location settings
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
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C:\Users\Admin\AppData\Local\Temp\NSe.exe"C:\Users\Admin\AppData\Local\Temp\NSe.exe" C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
10KB
MD5f683769b947501b5a98376619d5938bb
SHA16a38e4acd9ade0d85697d10683ec84fa0daed11c
SHA256c2cae82e01d954e3a50feaebcd3f75de7416a851ea855d6f0e8aaac84a507ca3
SHA512dbd7a26139c5ef6a409fb247b08eb54c62328edace9a047aac3ca75b8e552572428dbda4efc7836398fa4d2d9e68075e10e2436efcf1f9fc138d69ac440bd556
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Filesize
7.7MB
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Filesize
232KB
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Filesize
7.7MB
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Filesize
40KB
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Filesize
40KB
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Filesize
320KB
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Filesize
408KB
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Filesize
96KB
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Filesize
7.7MB
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Filesize
7.7MB
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Filesize
7.7MB
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Filesize
5.6MB
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Filesize
4KB
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Filesize
664KB
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Filesize
624KB
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Filesize
160KB
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Filesize
584KB
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Filesize
7.7MB
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Filesize
5.7MB
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Filesize
5.7MB
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Filesize
5.7MB
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Filesize
4KB
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Filesize
4KB
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Filesize
5.7MB