Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
28/03/2024, 02:38
General
- Target d2a44cec8dbbd996cc4b5780f907f33fd4040c44519653503f4b17f3288149a6.exe
- Size 798KB
- Sample240328-c4v5ysdc6y
- SHA256 d2a44cec8dbbd996cc4b5780f907f33fd4040c44519653503f4b17f3288149a6
Malware Config
Extracted
-
agenttesla
-
https://api.telegram.org/bot7189076260:AAHEL9QuHqQcKXN8kPXNO5BpYSd3XtQOqFg/
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- UAC bypass 3 TTPs 1 IoCs
- Windows security bypass 2 TTPs 2 IoCs
- Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs
- Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
- Detects executables packed with or use KoiVM 1 IoCs
- Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
- Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs
- Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs
- Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Windows security modification 2 TTPs 3 IoCs
- Checks whether UAC is enabled 1 TTPs 2 IoCs
- Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 35 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 10 IoCs
- System policy modification 1 TTPs 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\d2a44cec8dbbd996cc4b5780f907f33fd4040c44519653503f4b17f3288149a6.exe"C:\Users\Admin\AppData\Local\Temp\d2a44cec8dbbd996cc4b5780f907f33fd4040c44519653503f4b17f3288149a6.exe"1⤵
- UAC bypass
- Windows security bypass
- Checks computer location settings
- Windows security modification
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
-
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\d2a44cec8dbbd996cc4b5780f907f33fd4040c44519653503f4b17f3288149a6.exe" -Force2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
__PSScriptPolicyTest_blvemhas.ts0.ps1
memory/1472-20-0x00000000059B0000-0x0000000005F54000-memory.dmp
memory/1472-31-0x0000000074F20000-0x00000000756D0000-memory.dmp
memory/1472-30-0x0000000006CA0000-0x0000000006CAA000-memory.dmp
memory/1472-29-0x0000000006D30000-0x0000000006DC2000-memory.dmp
memory/1472-28-0x0000000006BF0000-0x0000000006C8C000-memory.dmp
memory/1472-27-0x0000000006B00000-0x0000000006B50000-memory.dmp
memory/1472-6-0x0000000000400000-0x0000000000442000-memory.dmp
memory/1472-24-0x0000000005470000-0x00000000054D6000-memory.dmp
memory/1472-19-0x0000000074F20000-0x00000000756D0000-memory.dmp
memory/3076-5-0x00000258EBDB0000-0x00000258EBE44000-memory.dmp
memory/3076-26-0x00007FFBEEC90000-0x00007FFBEF751000-memory.dmp
memory/3076-0-0x00000258E98A0000-0x00000258E98DA000-memory.dmp
memory/3076-4-0x00000258EBD50000-0x00000258EBD6E000-memory.dmp
memory/3076-3-0x00000258EDF80000-0x00000258EDFF6000-memory.dmp
memory/3076-2-0x00000258EBD20000-0x00000258EBD30000-memory.dmp
memory/3076-1-0x00007FFBEEC90000-0x00007FFBEF751000-memory.dmp
memory/4468-21-0x0000020A24C80000-0x0000020A24C90000-memory.dmp
memory/4468-14-0x0000020A24C80000-0x0000020A24C90000-memory.dmp
memory/4468-9-0x0000020A24CC0000-0x0000020A24CE2000-memory.dmp
memory/4468-25-0x00007FFBEEC90000-0x00007FFBEF751000-memory.dmp
memory/4468-10-0x00007FFBEEC90000-0x00007FFBEF751000-memory.dmp