Analysis
- max time kernel
121s - max time network
56s - platform
windows7_x64 - resource
win7v20210408 - submitted
02/08/2021, 08:51
General
- Target 4fd47345fcaa5d27cbc328b1d7350f63.exe
- Size 1.4MB
- Sample210802-v68vfj96da
- SHA256 ba9469e7cfecfe460c5f424bc38d0e64cc417b71d7675f46e54e3d9f3b5d03d6
Malware Config
Extracted
-
agenttesla
-
https://api.telegram.org/bot1846829589:AAHSsEDTKvDOQ17YrNRY5_FXv5z4mpfGRIc/sendDocument
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 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.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 13 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\4fd47345fcaa5d27cbc328b1d7350f63.exe"C:\Users\Admin\AppData\Local\Temp\4fd47345fcaa5d27cbc328b1d7350f63.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QTeUhRTEEn" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2D09.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\4fd47345fcaa5d27cbc328b1d7350f63.exe"C:\Users\Admin\AppData\Local\Temp\4fd47345fcaa5d27cbc328b1d7350f63.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/368-59-0x0000000000260000-0x0000000000261000-memory.dmp
memory/368-61-0x0000000004D50000-0x0000000004D51000-memory.dmp
memory/368-62-0x0000000000530000-0x000000000053D000-memory.dmp
memory/368-63-0x0000000009630000-0x00000000096C8000-memory.dmp
memory/368-64-0x00000000008E0000-0x0000000000918000-memory.dmp
memory/796-67-0x0000000000400000-0x000000000043C000-memory.dmp
memory/796-69-0x0000000000400000-0x000000000043C000-memory.dmp
memory/796-71-0x0000000004CA0000-0x0000000004CA1000-memory.dmp