Analysis
- max time kernel
131s - max time network
107s - platform
windows7_x64 - resource
win7v20210408 - submitted
02/10/2021, 05:56
General
- Target OFFER.exe
- Size 982KB
- Sample211002-gm2cvsdhdr
- SHA256 5b3d2e2924aa88e413b94bb39f5afc3954b78d61f49c4285990969e0b880330f
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.aldhiyafainteriors.com
-
Port
587
-
Username
-
Password
dhiyafa@987
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 3 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
- 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 3 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 13 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\OFFER.exe"C:\Users\Admin\AppData\Local\Temp\OFFER.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\oNRKeNlKvRNGYg" /XML "C:\Users\Admin\AppData\Local\Temp\tmp74D1.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\OFFER.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/856-68-0x0000000000400000-0x000000000043C000-memory.dmp
memory/856-70-0x0000000000400000-0x000000000043C000-memory.dmp
memory/856-72-0x0000000004A90000-0x0000000004A91000-memory.dmp
memory/856-73-0x0000000004A91000-0x0000000004A92000-memory.dmp
memory/1804-60-0x0000000000020000-0x0000000000021000-memory.dmp
memory/1804-62-0x0000000004E70000-0x0000000004E71000-memory.dmp
memory/1804-63-0x00000000005B0000-0x00000000005BE000-memory.dmp
memory/1804-64-0x0000000005190000-0x000000000520D000-memory.dmp
memory/1804-65-0x00000000008A0000-0x00000000008D8000-memory.dmp