Overview

overview

10

Static

static

10

3702de50af...39.exe

windows7-x64

10

3702de50af...39.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-04-2023 01:07

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General

  • Target

    3702de50af26c3d4288bb4c9c4bde0f0bb0cd98873393b4e38394c6848fad039.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 3 IoCs
    rat
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 10 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\3702de50af26c3d4288bb4c9c4bde0f0bb0cd98873393b4e38394c6848fad039.exe
    "C:\Users\Admin\AppData\Local\Temp\3702de50af26c3d4288bb4c9c4bde0f0bb0cd98873393b4e38394c6848fad039.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1436
    • 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:1564
      • 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:4376
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp70C0.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3700
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:1888
      • 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:1736

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

Query Registry

2
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp70C0.tmp.bat
    Filesize

    160B

    MD5

    28c41f558947fe10b72a357ddca525bb

    SHA1

    f165a6a1052afa4e9436a5f37e9a8d40b06c6056

    SHA256

    ca5997d2be65665fd47eb811f462c8c5adcd393f8eef36289e8e6fcea434e587

    SHA512

    c99479634ce24d09c3cfdd78686333c78aa589e06198bfb3ca8627f920d7eb06ceda74281e5665b2d9888c5ad7592246a0a67d7af012453d08921d6948d3361e

    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/1436-133-0x0000000000EB0000-0x0000000000EC2000-memory.dmp
    Filesize

    72KB

    Download
  • memory/1436-134-0x000000001BC70000-0x000000001BC80000-memory.dmp
    Filesize

    64KB

    Download
  • memory/1736-143-0x0000000000A00000-0x0000000000A10000-memory.dmp
    Filesize

    64KB

    Download
  • memory/1736-144-0x0000000000A00000-0x0000000000A10000-memory.dmp
    Filesize

    64KB

    Download