Analysis
- max time kernel
205s - max time network
210s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
27/11/2022, 02:18
Static task
static1
Behavioral task
behavioral1
Sample
48e0d8ec788c1ded6e3b5aa3c794bf78964d4f88e37fe413cc31ee0b3fa2a70b.exe
Resource
win7-20221111-en
windows7-x64
12 signatures
150 seconds
Behavioral task
behavioral2
Sample
48e0d8ec788c1ded6e3b5aa3c794bf78964d4f88e37fe413cc31ee0b3fa2a70b.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
12 signatures
150 seconds
General
- Target 48e0d8ec788c1ded6e3b5aa3c794bf78964d4f88e37fe413cc31ee0b3fa2a70b.exe
- Size 365KB
- Sample221127-crjamace68
- SHA256 48e0d8ec788c1ded6e3b5aa3c794bf78964d4f88e37fe413cc31ee0b3fa2a70b
- MD5 3cabbb2c59f3342738849df67f6fda83
- SHA1 63106d091a7bb4242fe82bbc062f22639bf915ef
- SHA512 b75defb8a04a00455d55b3d0d90a6bfac797d3f47e9b1ce816f9c6becdd941a35b68fbfc04b337fe3750083bf9e0f9a1bb8488b15ccfc3e624de76ac79f0e711
- SSDEEP 6144:WXV+JnRQtCJmM+mKwYpzyAtmLbR9JWJWdlU3hJ272Ja2P4337MqjrEVGPjk7ngIk:eAROuRvEvla2P4brEyjk7ngYsP
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Luminosity
Luminosity is a RAT family that was on sale, while claiming to be a system administration utility.
- Modifies WinLogon for persistence 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "userinit.exe,\"C:\\Windows\\system32\\clientsvr.exe\"" cmd.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "explorer.exe,\"C:\\ProgramData\\907525\\cmd.exe\"" cmd.exe - Executes dropped EXE 1 IoCs
pid Process 3532 cmd.exe - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation 48e0d8ec788c1ded6e3b5aa3c794bf78964d4f88e37fe413cc31ee0b3fa2a70b.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\Windows-Explorer = "\"C:\\ProgramData\\907525\\cmd.exe\"" cmd.exe - Drops file in System32 directory 2 IoCs
description ioc Process File created C:\Windows\SysWOW64\clientsvr.exe cmd.exe File opened for modification C:\Windows\SysWOW64\clientsvr.exe cmd.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3532 cmd.exe 3532 cmd.exe 3532 cmd.exe 3532 cmd.exe 3532 cmd.exe 3532 cmd.exe 3532 cmd.exe 3532 cmd.exe 3532 cmd.exe 3532 cmd.exe 3532 cmd.exe 3532 cmd.exe 3532 cmd.exe 3532 cmd.exe 3532 cmd.exe 3532 cmd.exe 3532 cmd.exe 3532 cmd.exe 3532 cmd.exe 3532 cmd.exe 3532 cmd.exe 3532 cmd.exe 3532 cmd.exe 3532 cmd.exe 3532 cmd.exe 4548 48e0d8ec788c1ded6e3b5aa3c794bf78964d4f88e37fe413cc31ee0b3fa2a70b.exe 4548 48e0d8ec788c1ded6e3b5aa3c794bf78964d4f88e37fe413cc31ee0b3fa2a70b.exe 3532 cmd.exe 3532 cmd.exe 3532 cmd.exe 3532 cmd.exe 3532 cmd.exe 3532 cmd.exe 3532 cmd.exe 3532 cmd.exe 3532 cmd.exe 3532 cmd.exe 3532 cmd.exe 3532 cmd.exe 3532 cmd.exe 3532 cmd.exe 3532 cmd.exe 3532 cmd.exe 3532 cmd.exe 3532 cmd.exe 3532 cmd.exe 3532 cmd.exe 3532 cmd.exe 3532 cmd.exe 3532 cmd.exe 3532 cmd.exe 3532 cmd.exe 3532 cmd.exe 3532 cmd.exe 3532 cmd.exe 3532 cmd.exe 3532 cmd.exe 3532 cmd.exe 3532 cmd.exe 3532 cmd.exe 3532 cmd.exe 3532 cmd.exe 3532 cmd.exe 3532 cmd.exe - Suspicious behavior: RenamesItself 1 IoCs
pid Process 4548 48e0d8ec788c1ded6e3b5aa3c794bf78964d4f88e37fe413cc31ee0b3fa2a70b.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3532 cmd.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3532 cmd.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4548 wrote to memory of 3532 4548 48e0d8ec788c1ded6e3b5aa3c794bf78964d4f88e37fe413cc31ee0b3fa2a70b.exe 85 PID 4548 wrote to memory of 3532 4548 48e0d8ec788c1ded6e3b5aa3c794bf78964d4f88e37fe413cc31ee0b3fa2a70b.exe 85 PID 4548 wrote to memory of 3532 4548 48e0d8ec788c1ded6e3b5aa3c794bf78964d4f88e37fe413cc31ee0b3fa2a70b.exe 85 PID 3532 wrote to memory of 4548 3532 cmd.exe 82 PID 3532 wrote to memory of 4548 3532 cmd.exe 82 PID 3532 wrote to memory of 4548 3532 cmd.exe 82 PID 3532 wrote to memory of 4548 3532 cmd.exe 82 PID 3532 wrote to memory of 4548 3532 cmd.exe 82
Processes
-
C:\Users\Admin\AppData\Local\Temp\48e0d8ec788c1ded6e3b5aa3c794bf78964d4f88e37fe413cc31ee0b3fa2a70b.exe"C:\Users\Admin\AppData\Local\Temp\48e0d8ec788c1ded6e3b5aa3c794bf78964d4f88e37fe413cc31ee0b3fa2a70b.exe"1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:4548 -
C:\ProgramData\907525\cmd.exe"C:\ProgramData\907525\cmd.exe"2⤵
- Modifies WinLogon for persistence
- Executes dropped EXE
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3532
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\ProgramData\907525\cmd.exe
- Size 365KB
- SHA256 48e0d8ec788c1ded6e3b5aa3c794bf78964d4f88e37fe413cc31ee0b3fa2a70b
- MD5 3cabbb2c59f3342738849df67f6fda83
- SHA1 63106d091a7bb4242fe82bbc062f22639bf915ef
- SHA512 b75defb8a04a00455d55b3d0d90a6bfac797d3f47e9b1ce816f9c6becdd941a35b68fbfc04b337fe3750083bf9e0f9a1bb8488b15ccfc3e624de76ac79f0e711
- SSDEEP 6144:WXV+JnRQtCJmM+mKwYpzyAtmLbR9JWJWdlU3hJ272Ja2P4337MqjrEVGPjk7ngIk:eAROuRvEvla2P4brEyjk7ngYsP
- MD5 SHA1 SHA512 SSDEEP
- Path C:\ProgramData\907525\cmd.exe
- Size 365KB
- SHA256 48e0d8ec788c1ded6e3b5aa3c794bf78964d4f88e37fe413cc31ee0b3fa2a70b
- MD5 3cabbb2c59f3342738849df67f6fda83
- SHA1 63106d091a7bb4242fe82bbc062f22639bf915ef
- SHA512 b75defb8a04a00455d55b3d0d90a6bfac797d3f47e9b1ce816f9c6becdd941a35b68fbfc04b337fe3750083bf9e0f9a1bb8488b15ccfc3e624de76ac79f0e711
- SSDEEP 6144:WXV+JnRQtCJmM+mKwYpzyAtmLbR9JWJWdlU3hJ272Ja2P4337MqjrEVGPjk7ngIk:eAROuRvEvla2P4brEyjk7ngYsP
- MD5 SHA1 SHA512 SSDEEP