Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240611-en - resource tags
- submitted
19/06/2024, 01:04
General
- Target 0e0334c0e45ec34b541a2c76c5e1a5b1d16bace1238f0675a080474264f85ea6.js
- Size 4.3MB
- Sample240619-be85vavenm
- SHA256 0e0334c0e45ec34b541a2c76c5e1a5b1d16bace1238f0675a080474264f85ea6
Malware Config
Extracted
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Protocol
smtp
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Host
s82.gocheapweb.com
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Port
587
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Username
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Password
london@1759
Extracted
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xworm
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5.0
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172.93.222.235:7725
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EaDc0m9mpwzOMMwb
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install_file
USB.exe
Extracted
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agenttesla
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Protocol
smtp
-
Host
s82.gocheapweb.com
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Port
587
-
Username
-
Password
london@1759
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Detect Xworm Payload 1 IoCs
- UAC bypass 3 TTPs 1 IoCs
- Windows security bypass 2 TTPs 2 IoCs
- Xworm
Xworm is a remote access trojan written in C#.
- Detect packed .NET executables. Mostly AgentTeslaV4. 2 IoCs
- Detects Windows executables referencing non-Windows User-Agents 1 IoCs
- Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 3 IoCs
- Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 1 IoCs
- Detects executables packed with or use KoiVM 1 IoCs
- Detects executables referencing Windows vault credential objects. Observed in infostealers 2 IoCs
- Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 2 IoCs
- Detects executables referencing many email and collaboration clients. Observed in information stealers 2 IoCs
- Detects executables referencing many file transfer clients. Observed in information stealers 2 IoCs
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
- Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 1 IoCs
- Windows security modification 2 TTPs 3 IoCs
- Checks whether UAC is enabled 1 TTPs 2 IoCs
- Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Command and Scripting Interpreter: JavaScript 1 TTPs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 7 IoCs
- Suspicious behavior: SetClipboardViewer 1 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of SetWindowsHookEx 3 IoCs
- Suspicious use of WriteProcessMemory 15 IoCs
- System policy modification 1 TTPs 1 IoCs
Processes
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C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\0e0334c0e45ec34b541a2c76c5e1a5b1d16bace1238f0675a080474264f85ea6.js1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\Revised_June_Order_Documnet#po839203.exe"C:\Users\Admin\AppData\Roaming\Revised_June_Order_Documnet#po839203.exe"2⤵
- UAC bypass
- Windows security bypass
- Checks computer location settings
- Executes dropped EXE
- Windows security modification
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\Revised_June_Order_Documnet#po839203.exe" -Force3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe"3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: SetClipboardViewer
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe"3⤵
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
__PSScriptPolicyTest_ykyom2la.kxb.ps1
Revised_June_Order_Documnet#po839203.exe
memory/2540-11-0x00007FFB24023000-0x00007FFB24025000-memory.dmp
memory/2540-12-0x0000025225F30000-0x0000025225F4C000-memory.dmp
memory/2540-13-0x00007FFB24020000-0x00007FFB24AE1000-memory.dmp
memory/2540-14-0x0000025226320000-0x0000025226382000-memory.dmp
memory/2540-29-0x00007FFB24020000-0x00007FFB24AE1000-memory.dmp
memory/3912-26-0x0000000005710000-0x00000000057AC000-memory.dmp
memory/3912-15-0x0000000000400000-0x0000000000410000-memory.dmp
memory/3912-30-0x0000000006150000-0x00000000066F4000-memory.dmp
memory/3912-31-0x0000000006700000-0x0000000006792000-memory.dmp
memory/3912-32-0x00000000067F0000-0x00000000067FA000-memory.dmp
memory/3912-33-0x0000000006870000-0x00000000068D6000-memory.dmp
memory/3912-34-0x00000000071D0000-0x0000000007212000-memory.dmp
memory/3912-35-0x00000000074D0000-0x0000000007514000-memory.dmp
memory/3912-36-0x00000000077A0000-0x00000000077AE000-memory.dmp
memory/3912-37-0x0000000007B80000-0x0000000007BD0000-memory.dmp
memory/3912-38-0x0000000009000000-0x0000000009350000-memory.dmp
memory/5088-16-0x00000138EE320000-0x00000138EE342000-memory.dmp