Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    09-10-2024 08:34

General

  • Target

    92f2a11dbb3411bb3d30846bd6eec0b6411d5e03bf579c7f9d81c0fc649f1471.exe

  • Size

    798KB

  • MD5

    e34eb26af335bd435c40f82b3f8b48d0

  • SHA1

    e4b7b90c3cdb4e3db62544d0117454def485964c

  • SHA256

    92f2a11dbb3411bb3d30846bd6eec0b6411d5e03bf579c7f9d81c0fc649f1471

  • SHA512

    922bd73e1797ece2979849a17a3bb788dc8316cab6fdf9f354fc6059e517c8a62d0d93c365c16e9fc8fef456f212213f7861cd3ed13c08a51cbcf63c816f58fd

  • SSDEEP

    12288:mLkcoxg7v3qnC11ErwIhh0F4qwUgUny5QVc42F+DdfM:EfmMv6Ckr7Mny5QVF0EdE

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

LOGS

C2

72.11.142.133:4449

Mutex

orkxnmmqoswplswmucl

Attributes
  • delay

    1

  • install

    false

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

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

  • VenomRAT 3 IoCs

    Detects VenomRAT.

  • Drops startup file 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 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 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 35 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\92f2a11dbb3411bb3d30846bd6eec0b6411d5e03bf579c7f9d81c0fc649f1471.exe
    "C:\Users\Admin\AppData\Local\Temp\92f2a11dbb3411bb3d30846bd6eec0b6411d5e03bf579c7f9d81c0fc649f1471.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2960
    • C:\Users\Admin\AppData\Local\overfertility\bankrupture.exe
      "C:\Users\Admin\AppData\Local\Temp\92f2a11dbb3411bb3d30846bd6eec0b6411d5e03bf579c7f9d81c0fc649f1471.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:2292
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Users\Admin\AppData\Local\Temp\92f2a11dbb3411bb3d30846bd6eec0b6411d5e03bf579c7f9d81c0fc649f1471.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:2500

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\CabD03C.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\TarE22A.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • \Users\Admin\AppData\Local\overfertility\bankrupture.exe

    Filesize

    798KB

    MD5

    e34eb26af335bd435c40f82b3f8b48d0

    SHA1

    e4b7b90c3cdb4e3db62544d0117454def485964c

    SHA256

    92f2a11dbb3411bb3d30846bd6eec0b6411d5e03bf579c7f9d81c0fc649f1471

    SHA512

    922bd73e1797ece2979849a17a3bb788dc8316cab6fdf9f354fc6059e517c8a62d0d93c365c16e9fc8fef456f212213f7861cd3ed13c08a51cbcf63c816f58fd

  • memory/2292-12-0x00000000039E0000-0x0000000003BE0000-memory.dmp

    Filesize

    2.0MB

  • memory/2500-16-0x0000000000400000-0x0000000000418000-memory.dmp

    Filesize

    96KB

  • memory/2500-19-0x00000000746EE000-0x00000000746EF000-memory.dmp

    Filesize

    4KB

  • memory/2500-21-0x00000000746E0000-0x0000000074DCE000-memory.dmp

    Filesize

    6.9MB

  • memory/2500-22-0x00000000746E0000-0x0000000074DCE000-memory.dmp

    Filesize

    6.9MB

  • memory/2500-18-0x0000000000400000-0x0000000000418000-memory.dmp

    Filesize

    96KB

  • memory/2500-14-0x0000000000400000-0x0000000000418000-memory.dmp

    Filesize

    96KB

  • memory/2500-57-0x00000000746EE000-0x00000000746EF000-memory.dmp

    Filesize

    4KB

  • memory/2500-58-0x00000000746E0000-0x0000000074DCE000-memory.dmp

    Filesize

    6.9MB

  • memory/2500-77-0x00000000746E0000-0x0000000074DCE000-memory.dmp

    Filesize

    6.9MB

  • memory/2960-2-0x0000000002F60000-0x0000000003160000-memory.dmp

    Filesize

    2.0MB