Analysis
- max time kernel
150s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
- submitted
18/04/2023, 16:22
General
- Target PO 34096.exe
- Size 1.7MB
- Sample230418-tt8fzaed4y
- SHA256 a75c256247f91d9e1e5de3d1b8155c0d31f9ba04a37b709c2d2289c91afc2a00
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
azmlogistics.com
-
Port
587
-
Username
-
Password
Darvey365
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- 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.
- Accesses Microsoft Outlook profiles 1 TTPs 3 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.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\PO 34096.exe"C:\Users\Admin\AppData\Local\Temp\PO 34096.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
__PSScriptPolicyTest_kd34ml2l.sib.ps1
memory/784-153-0x0000000007180000-0x00000000077FA000-memory.dmp
memory/784-154-0x0000000005FE0000-0x0000000005FFA000-memory.dmp
memory/784-136-0x0000000002520000-0x0000000002556000-memory.dmp
memory/784-137-0x0000000004E10000-0x0000000005438000-memory.dmp
memory/784-138-0x00000000047D0000-0x00000000047E0000-memory.dmp
memory/784-139-0x00000000047D0000-0x00000000047E0000-memory.dmp
memory/784-140-0x0000000004D50000-0x0000000004DB6000-memory.dmp
memory/784-156-0x00000000047D0000-0x00000000047E0000-memory.dmp
memory/784-141-0x0000000005480000-0x00000000054E6000-memory.dmp
memory/784-151-0x0000000005AF0000-0x0000000005B0E000-memory.dmp
memory/784-152-0x00000000047D0000-0x00000000047E0000-memory.dmp
memory/784-158-0x00000000047D0000-0x00000000047E0000-memory.dmp
memory/784-157-0x00000000047D0000-0x00000000047E0000-memory.dmp
memory/2016-166-0x0000000005140000-0x0000000005150000-memory.dmp
memory/2016-168-0x00000000063C0000-0x00000000063CA000-memory.dmp
memory/2016-163-0x0000000000400000-0x0000000000430000-memory.dmp
memory/2016-165-0x0000000005670000-0x0000000005C14000-memory.dmp
memory/2016-167-0x0000000006410000-0x00000000064A2000-memory.dmp
memory/2016-169-0x0000000006670000-0x00000000066C0000-memory.dmp
memory/2016-170-0x0000000006890000-0x0000000006A52000-memory.dmp
memory/2016-171-0x0000000005140000-0x0000000005150000-memory.dmp
memory/2332-135-0x0000000005450000-0x0000000005472000-memory.dmp
memory/2332-133-0x0000000000490000-0x0000000000648000-memory.dmp
memory/2332-134-0x0000000004FF0000-0x0000000005000000-memory.dmp
memory/2332-155-0x0000000004FF0000-0x0000000005000000-memory.dmp