Analysis
- max time kernel
145s - max time network
139s - platform
windows10_x64 - resource
win10v20210408 - submitted
11/05/2021, 13:03
General
- Target CARGO DECUMENT.exe
- Size 929KB
- Sample210511-hpxt2m5c2j
- SHA256 db59b7cbcd7ffd902553d10a3aceab64f2020a04f169e167e25d01a14125f5c5
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.cometshippings.com
-
Port
587
-
Username
-
Password
FNoY9fig8&Cyw];Fpk
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 3 IoCs
- 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 SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\CARGO DECUMENT.exe"C:\Users\Admin\AppData\Local\Temp\CARGO DECUMENT.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\mJBlfbIi" /XML "C:\Users\Admin\AppData\Local\Temp\tmp106C.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\CARGO DECUMENT.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/660-123-0x0000000006940000-0x000000000699A000-memory.dmp
memory/660-118-0x0000000007790000-0x0000000007C8E000-memory.dmp
memory/660-119-0x0000000007850000-0x0000000007851000-memory.dmp
memory/660-120-0x000000000ADD0000-0x000000000ADD1000-memory.dmp
memory/660-121-0x0000000004E30000-0x0000000004E3E000-memory.dmp
memory/660-122-0x0000000005760000-0x00000000057FB000-memory.dmp
memory/660-114-0x0000000000A50000-0x0000000000A51000-memory.dmp
memory/660-116-0x0000000007C90000-0x0000000007C91000-memory.dmp
memory/660-117-0x0000000007870000-0x0000000007871000-memory.dmp
memory/1196-126-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1196-133-0x0000000005160000-0x000000000565E000-memory.dmp
memory/1196-134-0x00000000052E0000-0x00000000052E1000-memory.dmp
memory/1196-135-0x0000000005E50000-0x0000000005E51000-memory.dmp