Analysis
- max time kernel
124s - max time network
128s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
- submitted
04/04/2023, 09:57
General
- Target SOA 160-54714892.exe
- Size 580KB
- Sample230404-lyxw2aeb49
- SHA256 d98a67065568b317f933edad5c1f2700d1178ece2bc52e511cdf81b9cf2552eb
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.arckenterprises.com
-
Port
587
-
Username
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Password
Shweta%$#@1234
-
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.
- 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). Likely ransomware behaviour.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 6 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\SOA 160-54714892.exe"C:\Users\Admin\AppData\Local\Temp\SOA 160-54714892.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\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\sQnSQWdUKNPVTU.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\sQnSQWdUKNPVTU" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1B48.tmp"2⤵
- Creates scheduled task(s)
-
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"2⤵
-
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
__PSScriptPolicyTest_1ob2vx4p.5bg.ps1
tmp1B48.tmp
memory/1112-166-0x0000000070450000-0x000000007049C000-memory.dmp
memory/1112-179-0x0000000007820000-0x0000000007E9A000-memory.dmp
memory/1112-182-0x0000000007450000-0x00000000074E6000-memory.dmp
memory/1112-181-0x0000000007240000-0x000000000724A000-memory.dmp
memory/1112-180-0x00000000071D0000-0x00000000071EA000-memory.dmp
memory/1112-144-0x0000000002510000-0x0000000002546000-memory.dmp
memory/1112-153-0x0000000005030000-0x0000000005096000-memory.dmp
memory/1112-147-0x00000000050F0000-0x0000000005718000-memory.dmp
memory/1112-165-0x00000000064A0000-0x00000000064D2000-memory.dmp
memory/1112-149-0x0000000004AB0000-0x0000000004AC0000-memory.dmp
memory/1112-150-0x0000000004AB0000-0x0000000004AC0000-memory.dmp
memory/1112-188-0x00000000074F0000-0x00000000074F8000-memory.dmp
memory/1112-178-0x000000007F6B0000-0x000000007F6C0000-memory.dmp
memory/1112-152-0x0000000004E90000-0x0000000004EB2000-memory.dmp
memory/1112-184-0x0000000007400000-0x000000000740E000-memory.dmp
memory/1112-177-0x0000000004AB0000-0x0000000004AC0000-memory.dmp
memory/1112-187-0x0000000007510000-0x000000000752A000-memory.dmp
memory/1112-163-0x0000000005ED0000-0x0000000005EEE000-memory.dmp
memory/1112-176-0x0000000006480000-0x000000000649E000-memory.dmp
memory/1280-134-0x00000000058F0000-0x0000000005E94000-memory.dmp
memory/1280-135-0x0000000005280000-0x0000000005312000-memory.dmp
memory/1280-136-0x00000000057C0000-0x00000000057CA000-memory.dmp
memory/1280-133-0x0000000000840000-0x00000000008D8000-memory.dmp
memory/1280-139-0x0000000006F90000-0x000000000702C000-memory.dmp
memory/1280-138-0x0000000005260000-0x0000000005270000-memory.dmp
memory/1280-137-0x0000000005260000-0x0000000005270000-memory.dmp
memory/1520-146-0x0000000000400000-0x0000000000430000-memory.dmp
memory/1520-185-0x0000000006D40000-0x0000000006D90000-memory.dmp
memory/1520-186-0x0000000006F60000-0x0000000007122000-memory.dmp
memory/1520-164-0x0000000005240000-0x0000000005250000-memory.dmp
memory/1520-151-0x0000000005250000-0x00000000052B6000-memory.dmp
memory/1520-191-0x0000000005240000-0x0000000005250000-memory.dmp