Analysis
- max time kernel
74s - max time network
123s - platform
windows10-2004_x64 - resource
win10v2004-20220901-en - resource tags
- submitted
13/10/2022, 20:19
General
- Target SecuriteInfo.com.Win32.PWSX-gen.25526.28425.exe
- Size 8KB
- Sample221013-y3trdscee4
- SHA256 982c540da10b2bcca3ece4ee3a19bfdb1d992240588a6913025bec3cd0dbc409
Malware Config
Extracted
-
agenttesla
-
https://api.telegram.org/bot5329940603:AAEm7pamtb0Y3gJkFH2RisynqkQ5_GX9q5A/
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.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Adds Run key to start application 2 TTPs 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.
- Suspicious behavior: EnumeratesProcesses 6 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.25526.28425.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.25526.28425.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- 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 UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAANQA0AA==2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe2⤵
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1052-133-0x0000000005850000-0x0000000005DF4000-memory.dmp
memory/1052-134-0x0000000005190000-0x0000000005222000-memory.dmp
memory/1052-135-0x0000000005130000-0x000000000513A000-memory.dmp
memory/1052-136-0x0000000008490000-0x00000000084B2000-memory.dmp
memory/1052-132-0x0000000000780000-0x0000000000788000-memory.dmp
memory/1080-149-0x0000000006A30000-0x0000000006A80000-memory.dmp
memory/1080-148-0x0000000005830000-0x00000000058CC000-memory.dmp
memory/1080-147-0x0000000000400000-0x000000000043A000-memory.dmp
memory/4584-140-0x00000000053F0000-0x0000000005456000-memory.dmp
memory/4584-143-0x00000000072B0000-0x000000000792A000-memory.dmp
memory/4584-144-0x0000000005F80000-0x0000000005F9A000-memory.dmp
memory/4584-142-0x0000000005A60000-0x0000000005A7E000-memory.dmp
memory/4584-141-0x0000000005460000-0x00000000054C6000-memory.dmp
memory/4584-139-0x0000000004D50000-0x0000000005378000-memory.dmp
memory/4584-138-0x0000000000B40000-0x0000000000B76000-memory.dmp