Analysis
- max time kernel
139s - max time network
143s - platform
windows10-2004_x64 - resource
win10v2004-20220414-en - submitted
06/06/2022, 19:42
General
- Target SecuriteInfo.com.W32.AIDetectNet.01.31336.exe
- Size 18KB
- Sample220606-yenv8sbcb4
- SHA256 4a8e5d6a409a60db11f4fc5599d5ff0fb0b4fafcadddbb1281d74ee85ddd1068
Malware Config
Extracted
-
agenttesla
-
https://api.telegram.org/bot5387517837:AAHI8L3I-OHmq0oJo6tuPuoRyKMJax0PL9I/sendDocument
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
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Delays execution with timeout.exe 1 IoCs
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of AdjustPrivilegeToken 2 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.W32.AIDetectNet.01.31336.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.AIDetectNet.01.31336.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c timeout 202⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\timeout.exetimeout 203⤵
- Delays execution with timeout.exe
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-
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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/1692-134-0x0000000000400000-0x000000000043A000-memory.dmp
memory/1692-135-0x0000000005590000-0x0000000005B34000-memory.dmp
memory/1692-136-0x0000000004FE0000-0x000000000507C000-memory.dmp
memory/1692-137-0x0000000005D20000-0x0000000005D86000-memory.dmp
memory/1692-138-0x0000000006360000-0x00000000063B0000-memory.dmp
memory/1692-139-0x0000000006750000-0x00000000067E2000-memory.dmp
memory/1692-140-0x0000000006720000-0x000000000672A000-memory.dmp
memory/3620-130-0x0000000000AF0000-0x0000000000AFA000-memory.dmp