Analysis

  • max time kernel
    127s
  • max time network
    144s
  • platform
    windows10-ltsc 2021_x64
  • resource
    win10ltsc2021-20241023-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20241023-enlocale:en-usos:windows10-ltsc 2021-x64system
  • submitted
    09/11/2024, 22:18

General

  • Target

    Network Experience.exe

  • Size

    74KB

  • MD5

    a1e76f2fbe7af658b38383fbfd7cfff4

  • SHA1

    6dc43ef73b59ff29089a4b29bc8ade4ea63484ec

  • SHA256

    7782da3a91f91377c4c8d1d338237c6ff996ad42caaab27c1cdc5ea7e90058e1

  • SHA512

    4a47391ba3132cfb36da8d7f08ae6856312b26547845e3fe5f3ddd0939893245bf4de337671bc917926d5c764a6100d084845236ef1707560ff5be4aa5f2bed8

  • SSDEEP

    1536:rUa8cxqnHXC56PMVwKCpaIPr1bg/VkxLN+QzcoVVclN:rUrcxq3O6PMVQpLr1bg9kxQQJ3Y

Malware Config

Extracted

Family

asyncrat

Version

Venom Pwn3rzs' Edtition v6.0.1

Botnet

proxy on top

Mutex

gdfgvsdfdasfkjasdkjaske9831943ioqwkd

Attributes
  • delay

    1

  • install

    true

  • install_file

    NetworkEX.exe

  • install_folder

    %AppData%

  • pastebin_config

    https://pastebin.com/raw/jGuGV3jT

aes.plain

Signatures

  • AsyncRat

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

  • Asyncrat family
  • 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
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 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 52 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\Network Experience.exe
    "C:\Users\Admin\AppData\Local\Temp\Network Experience.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3580
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "NetworkEX" /tr '"C:\Users\Admin\AppData\Roaming\NetworkEX.exe"' & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3028
      • C:\Windows\system32\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "NetworkEX" /tr '"C:\Users\Admin\AppData\Roaming\NetworkEX.exe"'
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:2100
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp9990.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:712
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:4944
      • C:\Users\Admin\AppData\Roaming\NetworkEX.exe
        "C:\Users\Admin\AppData\Roaming\NetworkEX.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:4184

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\tmp9990.tmp.bat

          Filesize

          153B

          MD5

          e3216c9f63f440a3247a70eeca022adc

          SHA1

          0bb99d9f3e8511c4226a2b6a851a5ac727196862

          SHA256

          378998304e6d5747ccd546d0666134195788ccd11d3e098d29fe7153d281925d

          SHA512

          dff9d05e183044d9b097aa19aa3c3a076e805cf5f30cba5bce0cbb6c1c94d0f504602b7f6f824ebf0250e8e67798d7d11c525fe1274f4660bf19ef39916d2589

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

          Filesize

          8B

          MD5

          cf759e4c5f14fe3eec41b87ed756cea8

          SHA1

          c27c796bb3c2fac929359563676f4ba1ffada1f5

          SHA256

          c9f9f193409217f73cc976ad078c6f8bf65d3aabcf5fad3e5a47536d47aa6761

          SHA512

          c7f832aee13a5eb36d145f35d4464374a9e12fa2017f3c2257442d67483b35a55eccae7f7729243350125b37033e075efbc2303839fd86b81b9b4dca3626953b

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

          Filesize

          74KB

          MD5

          a1e76f2fbe7af658b38383fbfd7cfff4

          SHA1

          6dc43ef73b59ff29089a4b29bc8ade4ea63484ec

          SHA256

          7782da3a91f91377c4c8d1d338237c6ff996ad42caaab27c1cdc5ea7e90058e1

          SHA512

          4a47391ba3132cfb36da8d7f08ae6856312b26547845e3fe5f3ddd0939893245bf4de337671bc917926d5c764a6100d084845236ef1707560ff5be4aa5f2bed8

        • memory/3580-0-0x00007FFDAF3F3000-0x00007FFDAF3F5000-memory.dmp

          Filesize

          8KB

        • memory/3580-1-0x0000000000350000-0x0000000000368000-memory.dmp

          Filesize

          96KB

        • memory/3580-3-0x00007FFDAF3F0000-0x00007FFDAFEB2000-memory.dmp

          Filesize

          10.8MB

        • memory/3580-4-0x00007FFDAF3F0000-0x00007FFDAFEB2000-memory.dmp

          Filesize

          10.8MB

        • memory/3580-9-0x00007FFDAF3F0000-0x00007FFDAFEB2000-memory.dmp

          Filesize

          10.8MB