Analysis

  • max time kernel
    137s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    02-08-2024 05:50

General

  • Target

    ffe2d2e6b930f0b8f752d2a478d77cfbf9467006d294474fe33970a8c529b75a.exe

  • Size

    63KB

  • MD5

    5f00c912f2ac12df8525a30afb8f776e

  • SHA1

    516af350678a65e9e10901b8c990ef4601ae0844

  • SHA256

    ffe2d2e6b930f0b8f752d2a478d77cfbf9467006d294474fe33970a8c529b75a

  • SHA512

    5e9e96ed14d4c1fff020d9d1d00f137cbf1121cd5c3c58a054002d7d1f29a417b6f2f71d8f534c7207ea6bd87a3b57d7afea76390b90a1c8badf482dbba710d5

  • SSDEEP

    1536:FhMpLbRQkB4+ENds+jFBncsSRoAGbbzwHvGHtpqKmY7:FhMpLbRQkB4tds+jFBl2JGbbzt2z

Score
10/10

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#.

  • Async RAT payload 1 IoCs
  • 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
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 3 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.

Processes

  • C:\Users\Admin\AppData\Local\Temp\ffe2d2e6b930f0b8f752d2a478d77cfbf9467006d294474fe33970a8c529b75a.exe
    "C:\Users\Admin\AppData\Local\Temp\ffe2d2e6b930f0b8f752d2a478d77cfbf9467006d294474fe33970a8c529b75a.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2088
    • 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:3032
      • 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:1652
    • C:\Windows\system32\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp9608.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2944
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:1872
      • C:\Users\Admin\AppData\Roaming\svchost.exe
        "C:\Users\Admin\AppData\Roaming\svchost.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:2868

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp9608.tmp.bat

    Filesize

    151B

    MD5

    1b3517842d56941fd4f82cc393182359

    SHA1

    a56afa7645e341942568ec54d8d577b81c82be52

    SHA256

    91976d3ab1be2f66f5356bd2a370d05bcc3197cd647254716a4b79e29c60086b

    SHA512

    2fa7a42fa5d7d2e5afe7b406b5282edae66f99e8698a4280f0e833ac939bb4eba65e4466d0f37ea5e65a6f3e369c15dd6852d908c2611b1af9d13b4adf001c99

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

    Filesize

    63KB

    MD5

    5f00c912f2ac12df8525a30afb8f776e

    SHA1

    516af350678a65e9e10901b8c990ef4601ae0844

    SHA256

    ffe2d2e6b930f0b8f752d2a478d77cfbf9467006d294474fe33970a8c529b75a

    SHA512

    5e9e96ed14d4c1fff020d9d1d00f137cbf1121cd5c3c58a054002d7d1f29a417b6f2f71d8f534c7207ea6bd87a3b57d7afea76390b90a1c8badf482dbba710d5

  • memory/2088-0-0x000007FEF6063000-0x000007FEF6064000-memory.dmp

    Filesize

    4KB

  • memory/2088-1-0x0000000000840000-0x0000000000856000-memory.dmp

    Filesize

    88KB

  • memory/2088-2-0x000007FEF6060000-0x000007FEF6A4C000-memory.dmp

    Filesize

    9.9MB

  • memory/2088-11-0x000007FEF6060000-0x000007FEF6A4C000-memory.dmp

    Filesize

    9.9MB

  • memory/2088-12-0x000007FEF6060000-0x000007FEF6A4C000-memory.dmp

    Filesize

    9.9MB

  • memory/2868-17-0x0000000000EC0000-0x0000000000ED6000-memory.dmp

    Filesize

    88KB