Analysis
- max time kernel
148s - max time network
151s - platform
windows10_x64 - resource
win10-en-20210920 - 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 11 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\tmpADE.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\OFFER.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/2348-137-0x0000000006290000-0x0000000006291000-memory.dmp
memory/2348-136-0x0000000005700000-0x0000000005701000-memory.dmp
memory/2348-135-0x00000000054F0000-0x00000000059EE000-memory.dmp
memory/2348-128-0x0000000000400000-0x000000000043C000-memory.dmp
memory/2396-120-0x0000000005190000-0x0000000005191000-memory.dmp
memory/2396-125-0x0000000008A70000-0x0000000008AA8000-memory.dmp
memory/2396-124-0x00000000089F0000-0x0000000008A6D000-memory.dmp
memory/2396-123-0x0000000004BF0000-0x0000000004BFE000-memory.dmp
memory/2396-122-0x00000000052A0000-0x000000000579E000-memory.dmp
memory/2396-121-0x00000000054B0000-0x00000000054B1000-memory.dmp
memory/2396-115-0x0000000000890000-0x0000000000891000-memory.dmp
memory/2396-119-0x00000000052A0000-0x00000000052A1000-memory.dmp
memory/2396-118-0x00000000057A0000-0x00000000057A1000-memory.dmp
memory/2396-117-0x0000000005200000-0x0000000005201000-memory.dmp