Overview

overview

10

Static

static

10

Client.exe

windows7-x64

10

Client.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    08-04-2023 17:57

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    Client.exe

  • Size

    47KB

  • MD5

    15812c269dcb051b5b23a540696d5288

  • SHA1

    db261e59e91e57ec14f45798bde865c01482ec15

  • SHA256

    3702de50af26c3d4288bb4c9c4bde0f0bb0cd98873393b4e38394c6848fad039

  • SHA512

    059a96840dc099edd5a859668a531068cb45f37dbe00a2a00233b1b581a35fa5cb17c44631dc01e7588370de230b8733a9934bbfb115d159417c72efba6346ba

  • SSDEEP

    768:xOduRtILkWAA+jiFtelDSN+iV08YbygeiCPdYPy22pvEgK/JLZVc6KN:8duNoFtKDs4zb1omJ2pnkJLZVclN

Score
10/10
asyncratsystemrat

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

System

C2

147.185.221.180:1491

Mutex

llfesnjkqacrdhbtbu

Attributes
  • delay

    1

  • install

    true

  • install_file

    THASUPREMETROJAN.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

    ratasyncrat
  • Async RAT payload 5 IoCs
    rat
  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistence
  • Delays execution with timeout.exe 1 IoCs
    evasion
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\Client.exe
    "C:\Users\Admin\AppData\Local\Temp\Client.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2008
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "THASUPREMETROJAN" /tr '"C:\Users\Admin\AppData\Roaming\THASUPREMETROJAN.exe"' & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:768
      • C:\Windows\system32\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "THASUPREMETROJAN" /tr '"C:\Users\Admin\AppData\Roaming\THASUPREMETROJAN.exe"'
        3⤵
        • Creates scheduled task(s)
        PID:1596
    • C:\Windows\system32\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp1259.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1476
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:1984
      • C:\Users\Admin\AppData\Roaming\THASUPREMETROJAN.exe
        "C:\Users\Admin\AppData\Roaming\THASUPREMETROJAN.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1904

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

1
T1082

Query Registry

1
T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp1259.tmp.bat
    Filesize

    160B

    MD5

    410e21b0fc31a47f4d5f592a596ba4d3

    SHA1

    cdaa5f2afe421f4298a019ef60dcd997d5ceab98

    SHA256

    ad1655eb8682ca2d03eaf7267472869c83173d8872618443b9ef2d2008b7de6c

    SHA512

    29d7278a3ab8ad92cbd0ebb07bb6fb6638b8284ec4973c97935663d86295f385ae4fce9dfda7f3bc1627f7b5ce7fee3940c318b1081649c46a0a635cae16b6bf

    Download Submit
  • C:\Users\Admin\AppData\Local\Temp\tmp1259.tmp.bat
    Filesize

    160B

    MD5

    410e21b0fc31a47f4d5f592a596ba4d3

    SHA1

    cdaa5f2afe421f4298a019ef60dcd997d5ceab98

    SHA256

    ad1655eb8682ca2d03eaf7267472869c83173d8872618443b9ef2d2008b7de6c

    SHA512

    29d7278a3ab8ad92cbd0ebb07bb6fb6638b8284ec4973c97935663d86295f385ae4fce9dfda7f3bc1627f7b5ce7fee3940c318b1081649c46a0a635cae16b6bf

    Download Submit
  • C:\Users\Admin\AppData\Roaming\THASUPREMETROJAN.exe
    Filesize

    47KB

    MD5

    15812c269dcb051b5b23a540696d5288

    SHA1

    db261e59e91e57ec14f45798bde865c01482ec15

    SHA256

    3702de50af26c3d4288bb4c9c4bde0f0bb0cd98873393b4e38394c6848fad039

    SHA512

    059a96840dc099edd5a859668a531068cb45f37dbe00a2a00233b1b581a35fa5cb17c44631dc01e7588370de230b8733a9934bbfb115d159417c72efba6346ba

    Download Submit
  • C:\Users\Admin\AppData\Roaming\THASUPREMETROJAN.exe
    Filesize

    47KB

    MD5

    15812c269dcb051b5b23a540696d5288

    SHA1

    db261e59e91e57ec14f45798bde865c01482ec15

    SHA256

    3702de50af26c3d4288bb4c9c4bde0f0bb0cd98873393b4e38394c6848fad039

    SHA512

    059a96840dc099edd5a859668a531068cb45f37dbe00a2a00233b1b581a35fa5cb17c44631dc01e7588370de230b8733a9934bbfb115d159417c72efba6346ba

    Download Submit
  • memory/1904-68-0x0000000000260000-0x0000000000272000-memory.dmp
    Filesize

    72KB

    Download
  • memory/1904-69-0x0000000001D10000-0x0000000001D90000-memory.dmp
    Filesize

    512KB

    Download
  • memory/2008-54-0x0000000000FA0000-0x0000000000FB2000-memory.dmp
    Filesize

    72KB

    Download
  • memory/2008-55-0x000000001B350000-0x000000001B3D0000-memory.dmp
    Filesize

    512KB

    Download