Overview

overview

10

Static

static

10

7506851853...a9.exe

windows7-x64

10

7506851853...a9.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    143s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-11-2024 10:55

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General

  • Target

    7506851853fa3c689b420e1d917ce7bb00738f77f04f98ff249c53fe194f6ea9.exe

  • Size

    45KB

  • MD5

    130540412d5048d5297b0e1ce4d8ac5e

  • SHA1

    cb14c85190d452405510add6c17a1ae900c8f1ef

  • SHA256

    7506851853fa3c689b420e1d917ce7bb00738f77f04f98ff249c53fe194f6ea9

  • SHA512

    ab2fe7f29e80a520317fe15bc3d6214b4aa5ec163e35f27718c5f28f48450efc2b0266dc4c8453ebde24b53ec9a1f2c8700337314dbea2311587aa1ff386c49a

  • SSDEEP

    768:8u6cdTAYhbJWUh9Nzmo2qLfKjPGagAWOzjbFgX3i6BwXytKe+CANqlcDZ2j+U:8u6cdTAur2yKTKTO3bCXS6Bw+z+7Fd21

Score
10/10
asyncratdefaultdiscoveryrat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

C2

45.147.46.188:1604

Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    true

  • install_file

    abd.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

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

    ratasyncrat
  • Asyncrat family
    asyncrat
  • 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).

  • 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.

    discovery
  • 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 23 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7506851853fa3c689b420e1d917ce7bb00738f77f04f98ff249c53fe194f6ea9.exe
    "C:\Users\Admin\AppData\Local\Temp\7506851853fa3c689b420e1d917ce7bb00738f77f04f98ff249c53fe194f6ea9.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3492
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "abd" /tr '"C:\Users\Admin\AppData\Roaming\abd.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3140
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "abd" /tr '"C:\Users\Admin\AppData\Roaming\abd.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:1204
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp8F11.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3320
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:3740
      • C:\Users\Admin\AppData\Roaming\abd.exe
        "C:\Users\Admin\AppData\Roaming\abd.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:2848

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp8F11.tmp.bat
    Filesize

    147B

    MD5

    58843cc8e11e88921d86bb2263caaa4c

    SHA1

    c49cadfde6ad7c1782894207b17ee42f3e5684d2

    SHA256

    a4213dc90b14b0643b713237aa1ad6251b98596817c6b418306454807efdb7cd

    SHA512

    344d4b06c8cfed9128a5286ff64a5811465db6b3c8c048f4ac39451465b4b90b85c8af60faca8da602825cd1fc4390498b3407a7001fb1fad0b587b9d6c4c579

    Download Submit

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

    45KB

    MD5

    130540412d5048d5297b0e1ce4d8ac5e

    SHA1

    cb14c85190d452405510add6c17a1ae900c8f1ef

    SHA256

    7506851853fa3c689b420e1d917ce7bb00738f77f04f98ff249c53fe194f6ea9

    SHA512

    ab2fe7f29e80a520317fe15bc3d6214b4aa5ec163e35f27718c5f28f48450efc2b0266dc4c8453ebde24b53ec9a1f2c8700337314dbea2311587aa1ff386c49a

    Download Submit

  • memory/2848-13-0x0000000074D90000-0x0000000075540000-memory.dmp

    Filesize

    7.7MB

    Download

  • memory/2848-14-0x0000000074D90000-0x0000000075540000-memory.dmp

    Filesize

    7.7MB

    Download

  • memory/3492-0-0x0000000074D9E000-0x0000000074D9F000-memory.dmp

    Filesize

    4KB

    Download

  • memory/3492-1-0x0000000000060000-0x0000000000072000-memory.dmp

    Filesize

    72KB

    Download

  • memory/3492-2-0x0000000074D90000-0x0000000075540000-memory.dmp

    Filesize

    7.7MB

    Download

  • memory/3492-3-0x0000000004AA0000-0x0000000004B3C000-memory.dmp

    Filesize

    624KB

    Download

  • memory/3492-8-0x0000000074D90000-0x0000000075540000-memory.dmp

    Filesize

    7.7MB

    Download