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Resubmissions

22/01/2025, 22:15

250122-16g8wayrdm 10

22/01/2025, 18:33

250122-w67fjsyrcs 10

Analysis

  • max time kernel
    91s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/01/2025, 18:33

General

  • Target

    DemonSpoofCall.exe

  • Size

    9.7MB

  • MD5

    1dfe6d227d66658b9ab790ce66160551

  • SHA1

    62087a4f6c0b47635f068262b3d9df15aab746d9

  • SHA256

    c2d4aff226178355b8ef7b9e28e4d2869def12eacdfe91e9ed1135b6cd20deab

  • SHA512

    c10e34658ea727c52f96051fd9fe6d3c1b6f3dbeed9b9ced6bbfd2819db3a8aaeea693f890581190d3d10749e3000f8088c543d8cd006301c0b3032c4457d454

  • SSDEEP

    196608:lrkCDFxgtiWe4/RSgOqTn9nBIzuZrSW+xHGoFlaoDKWzQo1OIg5sa7t:5eiYRNXnDZrSF8oF9uB5B

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

Default

C2

127.0.0.1:6606

89.84.63.139:6606

Mutex

caqxyzoxvrzhnrxwoc

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#.

  • Asyncrat family
  • VenomRAT 1 IoCs

    Detects VenomRAT.

  • Venomrat family
  • Async RAT payload 1 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DemonSpoofCall.exe
    "C:\Users\Admin\AppData\Local\Temp\DemonSpoofCall.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3164
    • C:\Users\Admin\AppData\Roaming\PDFreader.exe
      "C:\Users\Admin\AppData\Roaming\PDFreader.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2896

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    8.8MB

    MD5

    f7dfe66072d3a91e2cd71436d4f3fb33

    SHA1

    7a76472a762c7cf68748c3b6b213ada71c5bba5a

    SHA256

    22e912427beff52645f1e2a19e361ecb03258a009a0d45e52fe20deefb224234

    SHA512

    22f49b6bcf5db183a0ac23e4b51631f8487d30f2508be9ac0408760f04224397d2851eaa3027b9f75607337a0395898ec2eed006ae4ac38dcdcc3f17ef5316a7

  • memory/2896-9-0x0000000009FE0000-0x000000000A584000-memory.dmp

    Filesize

    5.6MB

  • memory/2896-5-0x0000000001444000-0x0000000001445000-memory.dmp

    Filesize

    4KB

  • memory/2896-6-0x00000000068B0000-0x00000000068C7000-memory.dmp

    Filesize

    92KB

  • memory/2896-7-0x0000000000F60000-0x0000000001787000-memory.dmp

    Filesize

    8.2MB

  • memory/2896-8-0x00000000070E0000-0x00000000070F8000-memory.dmp

    Filesize

    96KB

  • memory/2896-12-0x000000000A630000-0x000000000A6C2000-memory.dmp

    Filesize

    584KB

  • memory/2896-13-0x0000000000F60000-0x0000000001787000-memory.dmp

    Filesize

    8.2MB

  • memory/2896-14-0x0000000009FD0000-0x0000000009FDA000-memory.dmp

    Filesize

    40KB

  • memory/2896-15-0x0000000000F60000-0x0000000001787000-memory.dmp

    Filesize

    8.2MB

  • memory/2896-18-0x000000000AF80000-0x000000000B01C000-memory.dmp

    Filesize

    624KB

  • memory/2896-19-0x000000000B3A0000-0x000000000B406000-memory.dmp

    Filesize

    408KB

  • memory/3164-0-0x00000000008B4000-0x00000000008B5000-memory.dmp

    Filesize

    4KB

  • memory/3164-11-0x00000000008B4000-0x00000000008B5000-memory.dmp

    Filesize

    4KB