Overview

overview

10

Static

static

10

ffe2d2e6b9...5a.exe

windows7-x64

10

ffe2d2e6b9...5a.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    137s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240730-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-08-2024 05:50

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General

  • Target

    ffe2d2e6b930f0b8f752d2a478d77cfbf9467006d294474fe33970a8c529b75a.exe

  • Size

    63KB

  • MD5

    5f00c912f2ac12df8525a30afb8f776e

  • SHA1

    516af350678a65e9e10901b8c990ef4601ae0844

  • SHA256

    ffe2d2e6b930f0b8f752d2a478d77cfbf9467006d294474fe33970a8c529b75a

  • SHA512

    5e9e96ed14d4c1fff020d9d1d00f137cbf1121cd5c3c58a054002d7d1f29a417b6f2f71d8f534c7207ea6bd87a3b57d7afea76390b90a1c8badf482dbba710d5

  • SSDEEP

    1536:FhMpLbRQkB4+ENds+jFBncsSRoAGbbzwHvGHtpqKmY7:FhMpLbRQkB4tds+jFBl2JGbbzt2z

Score
10/10
asyncratdefaultrat

Malware Config

Extracted

Family

asyncrat

Version

1.2

Botnet

Default

C2

stores-less.gl.at.ply.gg:45080

Mutex

AtomRatMutex_penka

Attributes
  • delay

    1

  • install

    true

  • install_file

    svchost.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 1 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).

  • Delays execution with timeout.exe 1 IoCs
    evasion
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

    persistenceexecution
  • Suspicious behavior: EnumeratesProcesses 21 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\ffe2d2e6b930f0b8f752d2a478d77cfbf9467006d294474fe33970a8c529b75a.exe
    "C:\Users\Admin\AppData\Local\Temp\ffe2d2e6b930f0b8f752d2a478d77cfbf9467006d294474fe33970a8c529b75a.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:804
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Roaming\svchost.exe"' & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2756
      • C:\Windows\system32\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Roaming\svchost.exe"'
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:1208
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp8FEC.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1916
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:3608
      • C:\Users\Admin\AppData\Roaming\svchost.exe
        "C:\Users\Admin\AppData\Roaming\svchost.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:2992

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp8FEC.tmp.bat
    Filesize

    151B

    MD5

    55905506fbf9804560235331a6bc3ae2

    SHA1

    4c26e82bbe263691f95130a1f74152368aecbba8

    SHA256

    bf3829a6a46eac63524949aaa98c1bc4ab2b42fe66a5fbb8ff11e398a83f87ac

    SHA512

    6be493ac6ea78cc0bdcebaa47146e2e9b54afa5d0b208e0bf7c08cb3b39659cbd3fa64f99b56d1fb2a9dec28086c1c73f932967fb5beeb72eeba3645335c69f7

    Download Submit

  • C:\Users\Admin\AppData\Roaming\svchost.exe
    Filesize

    63KB

    MD5

    5f00c912f2ac12df8525a30afb8f776e

    SHA1

    516af350678a65e9e10901b8c990ef4601ae0844

    SHA256

    ffe2d2e6b930f0b8f752d2a478d77cfbf9467006d294474fe33970a8c529b75a

    SHA512

    5e9e96ed14d4c1fff020d9d1d00f137cbf1121cd5c3c58a054002d7d1f29a417b6f2f71d8f534c7207ea6bd87a3b57d7afea76390b90a1c8badf482dbba710d5

    Download Submit

  • memory/804-0-0x000001D51BDF0000-0x000001D51BE06000-memory.dmp

    Filesize

    88KB

    Download

  • memory/804-1-0x00007FFE29313000-0x00007FFE29315000-memory.dmp

    Filesize

    8KB

    Download

  • memory/804-2-0x00007FFE29310000-0x00007FFE29DD1000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/804-7-0x00007FFE29310000-0x00007FFE29DD1000-memory.dmp

    Filesize

    10.8MB

    Download