Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-08-2024 18:28

General

  • Target

    0bafe977cd4fd7ff27917e0aed453c8af46b52992553c1a975a2b7f6d2823ac4.exe

  • Size

    74KB

  • MD5

    60a2e12c26687be2c910159d0e324829

  • SHA1

    f4aa9963bb15fd6a56f1da05fb51e80245010bec

  • SHA256

    0bafe977cd4fd7ff27917e0aed453c8af46b52992553c1a975a2b7f6d2823ac4

  • SHA512

    3dfebdf6bf65fa1d51f942a93362aeb7872f39de34836a2221075d6661ed2322c72fda8562e08e165d875ed19fcfb6c91daced5f820a50608ae5d108d5f13ed4

  • SSDEEP

    1536:2RU98cxpeaC/zPMV2UT7a3I671bI/4ev1QzcR8VclN:8U+cxp7AzPMV8D71bIgetQY+Y

Score
10/10

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

Default

C2

147.185.221.20:22308

147.185.221.20:9090

Mutex

vfravbfpvqwqeb

Attributes
  • delay

    1

  • install

    true

  • install_file

    steam.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

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

  • VenomRAT 2 IoCs

    Detects VenomRAT.

  • Async RAT payload 1 IoCs
  • 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
  • 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 30 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\0bafe977cd4fd7ff27917e0aed453c8af46b52992553c1a975a2b7f6d2823ac4.exe
    "C:\Users\Admin\AppData\Local\Temp\0bafe977cd4fd7ff27917e0aed453c8af46b52992553c1a975a2b7f6d2823ac4.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1236
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "steam" /tr '"C:\Users\Admin\AppData\Roaming\steam.exe"' & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4848
      • C:\Windows\system32\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "steam" /tr '"C:\Users\Admin\AppData\Roaming\steam.exe"'
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:2684
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpAD76.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:844
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:3048
      • C:\Users\Admin\AppData\Roaming\steam.exe
        "C:\Users\Admin\AppData\Roaming\steam.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:788

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpAD76.tmp.bat

    Filesize

    149B

    MD5

    904690c80caed745cbc6ce24ad847d17

    SHA1

    e754203e662c81ced9dac5e1c453a79c679dd436

    SHA256

    51c217ab958e1949e42591367866e49dabba8a9998477c43093343a0e49ecc32

    SHA512

    ccd315eca336b5c23dd22693d0c9e6a38f092dc2a91fb10e5494fd8268131e80fe77de6854f71d59335c7dd4b20792a7f984e7e0a3cf6b5627d5536d9071d40a

  • C:\Users\Admin\AppData\Roaming\MyData\DataLogs.conf

    Filesize

    8B

    MD5

    cf759e4c5f14fe3eec41b87ed756cea8

    SHA1

    c27c796bb3c2fac929359563676f4ba1ffada1f5

    SHA256

    c9f9f193409217f73cc976ad078c6f8bf65d3aabcf5fad3e5a47536d47aa6761

    SHA512

    c7f832aee13a5eb36d145f35d4464374a9e12fa2017f3c2257442d67483b35a55eccae7f7729243350125b37033e075efbc2303839fd86b81b9b4dca3626953b

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

    Filesize

    74KB

    MD5

    60a2e12c26687be2c910159d0e324829

    SHA1

    f4aa9963bb15fd6a56f1da05fb51e80245010bec

    SHA256

    0bafe977cd4fd7ff27917e0aed453c8af46b52992553c1a975a2b7f6d2823ac4

    SHA512

    3dfebdf6bf65fa1d51f942a93362aeb7872f39de34836a2221075d6661ed2322c72fda8562e08e165d875ed19fcfb6c91daced5f820a50608ae5d108d5f13ed4

  • memory/1236-0-0x00007FFEAE603000-0x00007FFEAE605000-memory.dmp

    Filesize

    8KB

  • memory/1236-1-0x0000000000E60000-0x0000000000E78000-memory.dmp

    Filesize

    96KB

  • memory/1236-3-0x00007FFEAE600000-0x00007FFEAF0C1000-memory.dmp

    Filesize

    10.8MB

  • memory/1236-8-0x00007FFEAE600000-0x00007FFEAF0C1000-memory.dmp

    Filesize

    10.8MB