Analysis
- max time kernel
138s - max time network
11s - platform
windows7_x64 - resource
win7v20201028 - submitted
01/04/2021, 10:38
General
- Target SCAN_310.EXE
- Size 690KB
- Sample210401-yghaskdd5j
- SHA256 37a8d6589b8cbbf567ccb5686ea0c4486eabbd6078089a6829fd109a77d4e2e3
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.proexpertint.com.sa
-
Port
587
-
Username
-
Password
proexpert123$
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 behavior: RenamesItself 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 13 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\SCAN_310.EXE"C:\Users\Admin\AppData\Local\Temp\SCAN_310.EXE"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OYIVIOYVHtY" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6AA5.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\SCAN_310.EXE"C:\Users\Admin\AppData\Local\Temp\SCAN_310.EXE"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/860-10-0x0000000000400000-0x000000000043C000-memory.dmp
memory/860-12-0x0000000074640000-0x0000000074D2E000-memory.dmp
memory/860-13-0x0000000000400000-0x000000000043C000-memory.dmp
memory/860-15-0x00000000046F0000-0x00000000046F1000-memory.dmp
memory/1656-2-0x0000000074640000-0x0000000074D2E000-memory.dmp
memory/1656-3-0x0000000000F30000-0x0000000000F31000-memory.dmp
memory/1656-5-0x0000000000310000-0x0000000000319000-memory.dmp
memory/1656-6-0x0000000000BA0000-0x0000000000BA1000-memory.dmp
memory/1656-7-0x0000000004920000-0x0000000004983000-memory.dmp