Analysis
- max time kernel
132s - max time network
137s - platform
windows10_x64 - resource
win10-en - submitted
02/09/2021, 18:00
General
- Target c5e28b13214e1866f9163e9172555974.exe
- Size 405KB
- Sample210902-wlbhdaecar
- SHA256 845de4f6151b408be44e9cfe81aa306eeec7688a46d97e4951789d592c076197
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.dm-teh.com
-
Port
587
-
Username
-
Password
Vm@(O;CO.vEQ
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 4 IoCs
- Executes dropped EXE 1 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.
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 3 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\c5e28b13214e1866f9163e9172555974.exe"C:\Users\Admin\AppData\Local\Temp\c5e28b13214e1866f9163e9172555974.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"C:\Users\Admin\AppData\Local\Temp\\InstallUtil.exe"2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/3276-117-0x00000000055D0000-0x00000000055D1000-memory.dmp
memory/3276-118-0x00000000050D0000-0x00000000050D1000-memory.dmp
memory/3276-119-0x0000000005170000-0x0000000005171000-memory.dmp
memory/3276-120-0x0000000006190000-0x00000000061B4000-memory.dmp
memory/3276-121-0x0000000005010000-0x00000000050A2000-memory.dmp
memory/3276-122-0x00000000063F0000-0x00000000063F1000-memory.dmp
memory/3276-123-0x0000000006530000-0x000000000653A000-memory.dmp
memory/3276-115-0x00000000007E0000-0x00000000007E1000-memory.dmp
memory/3776-124-0x0000000000400000-0x000000000043C000-memory.dmp
memory/3776-132-0x0000000004DB0000-0x00000000052AE000-memory.dmp
memory/3776-133-0x0000000005290000-0x0000000005291000-memory.dmp
memory/3776-134-0x0000000005B20000-0x0000000005B21000-memory.dmp
memory/3776-137-0x0000000004DB0000-0x00000000052AE000-memory.dmp