Analysis
- max time kernel
131s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
06/02/2023, 14:06
General
- Target f1c0ce5d37364862798e7e11817f3544d72847e1bffd46723f51df8504796afd.exe
- Size 319KB
- Sample230206-rewshshe4y
- SHA256 f1c0ce5d37364862798e7e11817f3544d72847e1bffd46723f51df8504796afd
Malware Config
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Executes dropped EXE 2 IoCs
- 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
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 7 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\f1c0ce5d37364862798e7e11817f3544d72847e1bffd46723f51df8504796afd.exe"C:\Users\Admin\AppData\Local\Temp\f1c0ce5d37364862798e7e11817f3544d72847e1bffd46723f51df8504796afd.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\hjjwqn.exe"C:\Users\Admin\AppData\Local\Temp\hjjwqn.exe" C:\Users\Admin\AppData\Local\Temp\waihmj.r2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\hjjwqn.exe"C:\Users\Admin\AppData\Local\Temp\hjjwqn.exe"3⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
doqfqwz.oh
hjjwqn.exe
hjjwqn.exe
hjjwqn.exe
waihmj.r
memory/4988-139-0x0000000000400000-0x0000000000441000-memory.dmp
memory/4988-140-0x00000000049D0000-0x0000000004F74000-memory.dmp
memory/4988-141-0x00000000048A0000-0x0000000004906000-memory.dmp
memory/4988-142-0x0000000005740000-0x00000000057D2000-memory.dmp
memory/4988-143-0x00000000059A0000-0x00000000059AA000-memory.dmp
memory/4988-144-0x00000000059C0000-0x0000000005A10000-memory.dmp
memory/4988-145-0x0000000005A30000-0x0000000005BF2000-memory.dmp