Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    09/11/2024, 12:50

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
  • 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 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 45 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of FindShellTrayWindow 38 IoCs
  • Suspicious use of SendNotifyMessage 37 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 15 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⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:108
    • 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:2360
      • 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:2288
    • C:\Windows\system32\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmpC3DB.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2216
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:1716
      • 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:2764
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /4
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:3028
  • C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    1⤵
      PID:380
    • C:\Windows\system32\AUDIODG.EXE
      C:\Windows\system32\AUDIODG.EXE 0x4f4
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2608

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\CabE41A.tmp

      Filesize

      70KB

      MD5

      49aebf8cbd62d92ac215b2923fb1b9f5

      SHA1

      1723be06719828dda65ad804298d0431f6aff976

      SHA256

      b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

      SHA512

      bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

    • C:\Users\Admin\AppData\Local\Temp\TarF730.tmp

      Filesize

      181KB

      MD5

      4ea6026cf93ec6338144661bf1202cd1

      SHA1

      a1dec9044f750ad887935a01430bf49322fbdcb7

      SHA256

      8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

      SHA512

      6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

    • C:\Users\Admin\AppData\Local\Temp\tmpC3DB.tmp.bat

      Filesize

      153B

      MD5

      7fe18c9f72fdaf512a6635b1321409aa

      SHA1

      867ebc339c6d8b7a5db13a1bb0fedfeaf175361f

      SHA256

      9022274dc517201cf001e1bc457d69697bd205893b46d05ca2c6c8a46ac7321d

      SHA512

      631eedbe0d1650b0ae10204a7b6a53abee705026a094fdee62f46ee8aee81cb99982154d94dba530e5f568449bc33f7eb606a47e66492ed85f0632ef56a08df4

    • 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/108-0-0x000007FEF54B3000-0x000007FEF54B4000-memory.dmp

      Filesize

      4KB

    • memory/108-12-0x000007FEF54B0000-0x000007FEF5E9C000-memory.dmp

      Filesize

      9.9MB

    • memory/108-14-0x000007FEF54B0000-0x000007FEF5E9C000-memory.dmp

      Filesize

      9.9MB

    • memory/108-3-0x000007FEF54B0000-0x000007FEF5E9C000-memory.dmp

      Filesize

      9.9MB

    • memory/108-1-0x00000000001E0000-0x00000000001F8000-memory.dmp

      Filesize

      96KB

    • memory/2764-18-0x0000000000190000-0x00000000001A8000-memory.dmp

      Filesize

      96KB

    • memory/3028-343-0x0000000140000000-0x00000001405E8000-memory.dmp

      Filesize

      5.9MB

    • memory/3028-344-0x0000000140000000-0x00000001405E8000-memory.dmp

      Filesize

      5.9MB

    • memory/3028-381-0x0000000140000000-0x00000001405E8000-memory.dmp

      Filesize

      5.9MB

    • memory/3028-382-0x0000000140000000-0x00000001405E8000-memory.dmp

      Filesize

      5.9MB