Overview

overview

10

Static

static

10

b0c9f58978...e7.exe

windows7-x64

10

b0c9f58978...e7.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240704-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-07-2024 03:42

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General

  • Target

    b0c9f58978ea18389d8d8af9f3e767e7.exe

  • Size

    47KB

  • MD5

    b0c9f58978ea18389d8d8af9f3e767e7

  • SHA1

    28a1252aff353a9d3a80bfc518099ebcb950384d

  • SHA256

    0cf56180a9d22a0bc95513782d3db869afc5af210f6369b29cec293539e503fc

  • SHA512

    f0dbfee9c6fa24acce552a0bbc7dc676e10d8efa1278c06eb35808083ece9d65d4e77ba3fb25a0ae225ad19124c228b23859b3dce0c37cf6ed6fbfc67447f586

  • SSDEEP

    768:QugvNTjgkH7F7WUHF9pmo2q7afiTgDI5/PIbvn60bySmNTCilzkxJwpfShDBDZAx:QugvNTcIb2FQeUYbvlbyhCilzkxJwp6k

Score
10/10
asyncratdefaultrat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

C2

child-completing.gl.at.ply.gg:55389

Mutex

n2CyPXfvQuRA

Attributes
  • delay

    3

  • install

    true

  • install_file

    test.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 2 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b0c9f58978ea18389d8d8af9f3e767e7.exe
    "C:\Users\Admin\AppData\Local\Temp\b0c9f58978ea18389d8d8af9f3e767e7.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4556
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "test" /tr '"C:\Users\Admin\AppData\Roaming\test.exe"' & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2344
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "test" /tr '"C:\Users\Admin\AppData\Roaming\test.exe"'
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:3492
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpA8A4.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4892
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:2480
      • C:\Users\Admin\AppData\Roaming\test.exe
        "C:\Users\Admin\AppData\Roaming\test.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:3180

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpA8A4.tmp.bat
    Filesize

    148B

    MD5

    7fe13df5c012af91baa1a086e326b8c3

    SHA1

    4a46440f44574de2891c2c1748e7612729dd2a83

    SHA256

    c60cb74ab0260913ca9db025ed43eead414f2723963ba1aaeb765599dd021714

    SHA512

    6688efd9bd055a5e9f7e3ddc22e80bb3613f6c10cefff80e0997f69fdf7afdadb1567b38a719afa5da5222c729158cf637d371fe357b3124c810d166c8b4daac

    Download Submit

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

    47KB

    MD5

    b0c9f58978ea18389d8d8af9f3e767e7

    SHA1

    28a1252aff353a9d3a80bfc518099ebcb950384d

    SHA256

    0cf56180a9d22a0bc95513782d3db869afc5af210f6369b29cec293539e503fc

    SHA512

    f0dbfee9c6fa24acce552a0bbc7dc676e10d8efa1278c06eb35808083ece9d65d4e77ba3fb25a0ae225ad19124c228b23859b3dce0c37cf6ed6fbfc67447f586

    Download Submit

  • memory/3180-14-0x0000000075000000-0x00000000757B0000-memory.dmp

    Filesize

    7.7MB

    Download

  • memory/3180-15-0x0000000075000000-0x00000000757B0000-memory.dmp

    Filesize

    7.7MB

    Download

  • memory/4556-0-0x000000007509E000-0x000000007509F000-memory.dmp

    Filesize

    4KB

    Download

  • memory/4556-1-0x00000000004B0000-0x00000000004C2000-memory.dmp

    Filesize

    72KB

    Download

  • memory/4556-2-0x0000000075090000-0x0000000075840000-memory.dmp

    Filesize

    7.7MB

    Download

  • memory/4556-3-0x0000000004EA0000-0x0000000004F06000-memory.dmp

    Filesize

    408KB

    Download

  • memory/4556-4-0x00000000052F0000-0x000000000538C000-memory.dmp

    Filesize

    624KB

    Download

  • memory/4556-9-0x0000000075090000-0x0000000075840000-memory.dmp

    Filesize

    7.7MB

    Download