Analysis
- max time kernel
132s - max time network
112s - platform
windows10_x64 - resource
win10v20210408 - submitted
26/04/2021, 07:08
General
- Target Pro Forma Invoice.exe
- Size 1.0MB
- Sample210426-rpvb27q2gn
- SHA256 b706f213d76a4c905305a2e2870c7e8bbb330f3b7332bb7cab086b2e560b8ea2
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.privateemail.com
-
Port
587
-
Username
-
Password
enugu222
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 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.
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Pro Forma Invoice.exe"C:\Users\Admin\AppData\Local\Temp\Pro Forma Invoice.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Pro Forma Invoice.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/572-121-0x0000000004D70000-0x0000000004D7E000-memory.dmp
memory/572-123-0x00000000097B0000-0x000000000981F000-memory.dmp
memory/572-118-0x0000000004B40000-0x0000000004B41000-memory.dmp
memory/572-119-0x0000000004B10000-0x000000000500E000-memory.dmp
memory/572-120-0x0000000006FA0000-0x0000000006FA1000-memory.dmp
memory/572-114-0x00000000001F0000-0x00000000001F1000-memory.dmp
memory/572-122-0x0000000007100000-0x00000000071B0000-memory.dmp
memory/572-117-0x0000000004BB0000-0x0000000004BB1000-memory.dmp
memory/572-116-0x0000000005010000-0x0000000005011000-memory.dmp
memory/3476-124-0x0000000000400000-0x000000000043C000-memory.dmp
memory/3476-131-0x0000000005810000-0x0000000005811000-memory.dmp
memory/3476-132-0x00000000059A0000-0x00000000059A1000-memory.dmp
memory/3476-133-0x00000000064D0000-0x00000000064D1000-memory.dmp