Analysis
- max time kernel
115s - max time network
118s - platform
windows10_x64 - resource
win10-en-20211208 - submitted
25/01/2022, 14:44
General
- Target Shipment Document BL-INV and Packing List Attached.exe
- Size 856KB
- Sample220125-r36bvshbep
- SHA256 d55011272b280ef3806dc8ea48a9e60780d6afbcd1a296f482fa2860164b790b
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
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Host
atruismint.com
-
Port
587
-
Username
-
Password
Atruism@062
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 1 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 5 IoCs
- Suspicious behavior: RenamesItself 1 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Shipment Document BL-INV and Packing List Attached.exe"C:\Users\Admin\AppData\Local\Temp\Shipment Document BL-INV and Packing List Attached.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\nxOjBdkbKKm.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\nxOjBdkbKKm" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE7FB.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\Shipment Document BL-INV and Packing List Attached.exe"C:\Users\Admin\AppData\Local\Temp\Shipment Document BL-INV and Packing List Attached.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/1196-162-0x0000000005590000-0x00000000055A8000-memory.dmp
memory/1196-136-0x00000000054F0000-0x00000000054F1000-memory.dmp
memory/1196-133-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1452-152-0x0000000009340000-0x0000000009373000-memory.dmp
memory/1452-138-0x0000000007AB0000-0x0000000007B16000-memory.dmp
memory/1452-360-0x0000000009770000-0x0000000009778000-memory.dmp
memory/1452-355-0x0000000009780000-0x000000000979A000-memory.dmp
memory/1452-161-0x0000000009870000-0x0000000009904000-memory.dmp
memory/1452-130-0x0000000006CC0000-0x0000000006CF6000-memory.dmp
memory/1452-131-0x0000000006D60000-0x0000000006D61000-memory.dmp
memory/1452-132-0x0000000006D62000-0x0000000006D63000-memory.dmp
memory/1452-160-0x0000000006D63000-0x0000000006D64000-memory.dmp
memory/1452-159-0x0000000009480000-0x0000000009525000-memory.dmp
memory/1452-135-0x00000000073A0000-0x00000000079C8000-memory.dmp
memory/1452-156-0x000000007F430000-0x000000007F431000-memory.dmp
memory/1452-137-0x0000000007A10000-0x0000000007A32000-memory.dmp
memory/1452-153-0x0000000009320000-0x000000000933E000-memory.dmp
memory/1452-139-0x0000000007C00000-0x0000000007C66000-memory.dmp
memory/1452-140-0x0000000007DD0000-0x0000000008120000-memory.dmp
memory/1452-141-0x0000000007BA0000-0x0000000007BBC000-memory.dmp
memory/1452-142-0x00000000081E0000-0x000000000822B000-memory.dmp
memory/1452-143-0x0000000008500000-0x0000000008576000-memory.dmp
memory/2732-118-0x00000000004B0000-0x000000000058E000-memory.dmp
memory/2732-124-0x000000007EE00000-0x000000007EE01000-memory.dmp
memory/2732-120-0x0000000004FB0000-0x0000000005042000-memory.dmp
memory/2732-121-0x0000000004FB0000-0x00000000054AE000-memory.dmp
memory/2732-122-0x0000000005080000-0x000000000508A000-memory.dmp
memory/2732-123-0x0000000007460000-0x00000000074FC000-memory.dmp
memory/2732-119-0x00000000054B0000-0x00000000059AE000-memory.dmp
memory/2732-126-0x0000000007A10000-0x0000000007ACA000-memory.dmp
memory/2732-125-0x0000000005490000-0x000000000549E000-memory.dmp