Analysis
- max time kernel
90s - max time network
156s - platform
windows10-2004_x64 - resource
win10v2004-20220901-en - resource tags
- submitted
12/10/2022, 11:00
General
- Target DHL Air Waybill Number 290132721000000000000000000000000.exe
- Size 513KB
- Sample221012-m3zf4adcg2
- SHA256 23f6c24a5984c1bc1450f2d6eb32f3ece4e52bc275b4e9eea038db9f7f4f7717
Malware Config
Extracted
-
Protocol
ftp
-
Host
ftp.onogost.com
-
Port
21
-
Username
-
Password
boygirl123456
Extracted
-
agenttesla
-
Protocol
ftp
-
Host
ftp://ftp.onogost.com/
-
Port
21
-
Username
-
Password
boygirl123456
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
- Checks QEMU agent file 2 TTPs 2 IoCs
Checks presence of QEMU agent, possibly to detect virtualization.
- Loads dropped DLL 1 IoCs
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Drops file in Program Files directory 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\DHL Air Waybill Number 290132721000000000000000000000000.exe"C:\Users\Admin\AppData\Local\Temp\DHL Air Waybill Number 290132721000000000000000000000000.exe"1⤵
- Checks QEMU agent file
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Windows\Microsoft.NET\Framework\v2.0.50727\caspol.exe"C:\Users\Admin\AppData\Local\Temp\DHL Air Waybill Number 290132721000000000000000000000000.exe"2⤵
- Checks QEMU agent file
- Accesses Microsoft Outlook profiles
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
System.dll
memory/2648-145-0x0000000077990000-0x0000000077B33000-memory.dmp
memory/2648-150-0x0000000073150000-0x0000000073701000-memory.dmp
memory/2648-155-0x0000000073150000-0x0000000073701000-memory.dmp
memory/2648-154-0x0000000077990000-0x0000000077B33000-memory.dmp
memory/2648-153-0x00007FFD0DE30000-0x00007FFD0E025000-memory.dmp
memory/2648-142-0x0000000000F00000-0x0000000001000000-memory.dmp
memory/2648-143-0x0000000000F00000-0x0000000001000000-memory.dmp
memory/2648-144-0x00007FFD0DE30000-0x00007FFD0E025000-memory.dmp
memory/2648-146-0x0000000000400000-0x000000000062B000-memory.dmp
memory/2648-149-0x0000000000400000-0x000000000043A000-memory.dmp
memory/2648-147-0x0000000000401000-0x000000000062B000-memory.dmp
memory/2864-139-0x0000000077990000-0x0000000077B33000-memory.dmp
memory/2864-137-0x0000000004550000-0x0000000004651000-memory.dmp
memory/2864-151-0x0000000004550000-0x0000000004651000-memory.dmp
memory/2864-152-0x0000000077990000-0x0000000077B33000-memory.dmp
memory/2864-141-0x0000000077990000-0x0000000077B33000-memory.dmp
memory/2864-136-0x0000000004550000-0x0000000004651000-memory.dmp
memory/2864-138-0x00007FFD0DE30000-0x00007FFD0E025000-memory.dmp