Analysis
- max time kernel
139s - max time network
141s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
- submitted
06/06/2023, 15:25
General
- Target LPO NO. 1072.exe
- Size 8KB
- Sample230606-stlfrsec65
- SHA256 6e8d1dd1574c5285fb19d7576e1384e5673fc2b0eaeff485e4d9cc13ec02007d
Malware Config
Extracted
-
agenttesla
-
https://api.telegram.org/bot6252287721:AAHSO4OqMe2oHy-gE22dW1jFQWWxSkXNMDc/
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
- 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 4 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\LPO NO. 1072.exe"C:\Users\Admin\AppData\Local\Temp\LPO NO. 1072.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- 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\InstallUtil.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.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
__PSScriptPolicyTest_km1xize5.ryd.ps1
memory/576-171-0x0000000005190000-0x00000000051A0000-memory.dmp
memory/576-170-0x00000000067A0000-0x0000000006962000-memory.dmp
memory/576-169-0x0000000006580000-0x00000000065D0000-memory.dmp
memory/576-168-0x0000000005190000-0x00000000051A0000-memory.dmp
memory/576-166-0x0000000000400000-0x0000000000430000-memory.dmp
memory/1900-153-0x0000000002710000-0x0000000002720000-memory.dmp
memory/1900-156-0x0000000006170000-0x000000000618A000-memory.dmp
memory/1900-141-0x00000000054C0000-0x0000000005526000-memory.dmp
memory/1900-139-0x00000000026A0000-0x00000000026D6000-memory.dmp
memory/1900-144-0x00000000055A0000-0x0000000005606000-memory.dmp
memory/1900-152-0x0000000002710000-0x0000000002720000-memory.dmp
memory/1900-161-0x0000000002710000-0x0000000002720000-memory.dmp
memory/1900-154-0x0000000005C60000-0x0000000005C7E000-memory.dmp
memory/1900-155-0x00000000074A0000-0x0000000007B1A000-memory.dmp
memory/1900-140-0x0000000004E20000-0x0000000005448000-memory.dmp
memory/1900-157-0x0000000002710000-0x0000000002720000-memory.dmp
memory/1900-160-0x0000000002710000-0x0000000002720000-memory.dmp
memory/1900-159-0x0000000002710000-0x0000000002720000-memory.dmp
memory/4896-158-0x00000000056E0000-0x00000000056F0000-memory.dmp
memory/4896-133-0x0000000000D50000-0x0000000000D58000-memory.dmp
memory/4896-138-0x0000000008340000-0x0000000008362000-memory.dmp
memory/4896-137-0x0000000005700000-0x000000000570A000-memory.dmp
memory/4896-136-0x00000000056E0000-0x00000000056F0000-memory.dmp
memory/4896-135-0x0000000005770000-0x0000000005802000-memory.dmp
memory/4896-134-0x0000000005D20000-0x00000000062C4000-memory.dmp