Analysis

  • max time kernel
    141s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    17-12-2024 14:52

General

  • Target

    1b9e97ba99aed432ccc47149bc929f9ad64a16241ac168017205312075600a52.exe

  • Size

    47KB

  • MD5

    17bbb12504a20c0c2544c8dac52ed0a1

  • SHA1

    ff9c5d849ee5817d47e1339b7a7c266119352d45

  • SHA256

    1b9e97ba99aed432ccc47149bc929f9ad64a16241ac168017205312075600a52

  • SHA512

    b73ca96a3a51cebeb520b82b25da49785943d0aeeab731080a224c5f0397767ce12744b8f0ab56c9395b49070246badabd915882180592e4e79f7dc1882b7b44

  • SSDEEP

    768:MuyJNTAoZjRWUJd9bmo2qLPqjtXVcPICdOYV8AbTkByRPZmRMBDZ0x:MuyJNTAGL2LTCdOajbQARPZmRKd0x

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

C2

18.ip.gl.ply.gg:6606

18.ip.gl.ply.gg:7707

18.ip.gl.ply.gg:8808

18.ip.gl.ply.gg:9028

Mutex

kLUPkJ05yxZY

Attributes
  • delay

    3

  • install

    true

  • install_file

    Discord.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

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

  • Asyncrat family
  • Async RAT payload 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • 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 2 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1b9e97ba99aed432ccc47149bc929f9ad64a16241ac168017205312075600a52.exe
    "C:\Users\Admin\AppData\Local\Temp\1b9e97ba99aed432ccc47149bc929f9ad64a16241ac168017205312075600a52.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2364
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "Discord" /tr '"C:\Users\Admin\AppData\Roaming\Discord.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2776
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "Discord" /tr '"C:\Users\Admin\AppData\Roaming\Discord.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2012
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp1F15.tmp.bat""
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2672
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:2800
      • C:\Users\Admin\AppData\Roaming\Discord.exe
        "C:\Users\Admin\AppData\Roaming\Discord.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:2600

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp1F15.tmp.bat

    Filesize

    151B

    MD5

    e557a4066ba39bd00342acc1214f7ff8

    SHA1

    b8edd510f0430ab1867184f0f4323e768f5b461f

    SHA256

    2a163ed76916387d77193d9bb9c89b5d32eb69fc4b2cf16f4d32965a5b5b4b0d

    SHA512

    f89b2c40d88f9d2a183e599310c38494e5650564b1fa4479b9d020eeb455d8db2ba0882efc89ab529d600c912c884965ad98279cf90bd358f72ad7fc9a4de602

  • \Users\Admin\AppData\Roaming\Discord.exe

    Filesize

    47KB

    MD5

    17bbb12504a20c0c2544c8dac52ed0a1

    SHA1

    ff9c5d849ee5817d47e1339b7a7c266119352d45

    SHA256

    1b9e97ba99aed432ccc47149bc929f9ad64a16241ac168017205312075600a52

    SHA512

    b73ca96a3a51cebeb520b82b25da49785943d0aeeab731080a224c5f0397767ce12744b8f0ab56c9395b49070246badabd915882180592e4e79f7dc1882b7b44

  • memory/2364-0-0x000000007441E000-0x000000007441F000-memory.dmp

    Filesize

    4KB

  • memory/2364-1-0x00000000009A0000-0x00000000009B2000-memory.dmp

    Filesize

    72KB

  • memory/2364-2-0x0000000074410000-0x0000000074AFE000-memory.dmp

    Filesize

    6.9MB

  • memory/2364-12-0x0000000074410000-0x0000000074AFE000-memory.dmp

    Filesize

    6.9MB

  • memory/2600-16-0x0000000000DB0000-0x0000000000DC2000-memory.dmp

    Filesize

    72KB