Analysis
- max time kernel
130s - max time network
113s - platform
windows10_x64 - resource
win10v20210408 - submitted
02/06/2021, 11:21
General
- Target e24d7d902f6d9bb8e8ba61cff370d4ea.exe
- Size 496KB
- Sample210602-a2tyhfgazs
- SHA256 c8a439c351e234cd57b8bba06cafeaf663323ffd53107f60657837dc2406cb1c
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.alphaforge.net.my
-
Port
587
-
Username
-
Password
alphahr01
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.
- Adds Run key to start application 2 TTPs 1 IoCs
- 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\e24d7d902f6d9bb8e8ba61cff370d4ea.exe"C:\Users\Admin\AppData\Local\Temp\e24d7d902f6d9bb8e8ba61cff370d4ea.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\e24d7d902f6d9bb8e8ba61cff370d4ea.exe"{path}"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/596-121-0x0000000007770000-0x0000000007772000-memory.dmp
memory/596-123-0x0000000006F90000-0x0000000006FE5000-memory.dmp
memory/596-118-0x00000000052E0000-0x00000000057DE000-memory.dmp
memory/596-119-0x00000000053B0000-0x00000000053B1000-memory.dmp
memory/596-120-0x0000000007800000-0x0000000007801000-memory.dmp
memory/596-114-0x0000000000990000-0x0000000000991000-memory.dmp
memory/596-122-0x0000000006EA0000-0x0000000006F35000-memory.dmp
memory/596-117-0x0000000005230000-0x0000000005231000-memory.dmp
memory/596-116-0x00000000057E0000-0x00000000057E1000-memory.dmp
memory/1580-124-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1580-131-0x0000000005650000-0x0000000005651000-memory.dmp
memory/1580-132-0x0000000005B10000-0x0000000005B11000-memory.dmp
memory/1580-133-0x00000000062F0000-0x00000000062F1000-memory.dmp