Analysis

  • max time kernel
    145s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    30-12-2024 19:56

General

  • Target

    JaffaCakes118_2d25fa02fb76d661dd326bfac20a888f2207a5a4310faafb8a1c1e4d23d89580.exe

  • Size

    1.7MB

  • MD5

    ba39e9cb587c3f666793fa23e5b94b93

  • SHA1

    8a1c3bee1b8ef4cf668d9ebc0f9490b900a7c9cd

  • SHA256

    2d25fa02fb76d661dd326bfac20a888f2207a5a4310faafb8a1c1e4d23d89580

  • SHA512

    41c7211a90e734e5e88592347f4c78a5f9a0674a9461b45d87b2d664b9e2890790edc5cb820b9986a0200088b912e02bc852d497f075df11efe8032b5091d576

  • SSDEEP

    3072:GNXhPFgvncy6cgVRkj5sCQrSYY8tgZaBOUEs64BRg40nuFbl3TQ9:GNVyCRkjjQrS8tgZaBUeBRgul29

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT 5.0.5

Botnet

Venom Clients

C2

theyk6836.duckdns.org:9026

Mutex

Venom_RAT_HVNC_Mutex_Venom RAT_HVNC

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
  • Executes dropped EXE 2 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Suspicious use of SetThreadContext 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 11 IoCs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 50 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2d25fa02fb76d661dd326bfac20a888f2207a5a4310faafb8a1c1e4d23d89580.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2d25fa02fb76d661dd326bfac20a888f2207a5a4310faafb8a1c1e4d23d89580.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2816
    • C:\Windows\SysWOW64\cmd.exe
      "cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafdfnasia" /tr "'C:\Users\Admin\AppData\Roaming\etdbdd.exe'" /f
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2940
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /sc minute /mo 1 /tn "Nafdfnasia" /tr "'C:\Users\Admin\AppData\Roaming\etdbdd.exe'" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2680
    • C:\Windows\SysWOW64\cmd.exe
      "cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2d25fa02fb76d661dd326bfac20a888f2207a5a4310faafb8a1c1e4d23d89580.exe" "C:\Users\Admin\AppData\Roaming\etdbdd.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2688
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:2472
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {263D2794-9549-4701-B521-EC63F81CC63B} S-1-5-21-1163522206-1469769407-485553996-1000:PJCSDMRP\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2260
    • C:\Users\Admin\AppData\Roaming\etdbdd.exe
      C:\Users\Admin\AppData\Roaming\etdbdd.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2220
      • C:\Windows\SysWOW64\cmd.exe
        "cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafdfnasia" /tr "'C:\Users\Admin\AppData\Roaming\etdbdd.exe'" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1800
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks /create /sc minute /mo 1 /tn "Nafdfnasia" /tr "'C:\Users\Admin\AppData\Roaming\etdbdd.exe'" /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:2876
      • C:\Windows\SysWOW64\cmd.exe
        "cmd" /c copy "C:\Users\Admin\AppData\Roaming\etdbdd.exe" "C:\Users\Admin\AppData\Roaming\etdbdd.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1516
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:2892
    • C:\Users\Admin\AppData\Roaming\etdbdd.exe
      C:\Users\Admin\AppData\Roaming\etdbdd.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2556

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    1.7MB

    MD5

    ba39e9cb587c3f666793fa23e5b94b93

    SHA1

    8a1c3bee1b8ef4cf668d9ebc0f9490b900a7c9cd

    SHA256

    2d25fa02fb76d661dd326bfac20a888f2207a5a4310faafb8a1c1e4d23d89580

    SHA512

    41c7211a90e734e5e88592347f4c78a5f9a0674a9461b45d87b2d664b9e2890790edc5cb820b9986a0200088b912e02bc852d497f075df11efe8032b5091d576

  • memory/2220-22-0x0000000000170000-0x00000000001A0000-memory.dmp

    Filesize

    192KB

  • memory/2472-18-0x0000000000400000-0x0000000000416000-memory.dmp

    Filesize

    88KB

  • memory/2472-9-0x0000000000400000-0x0000000000416000-memory.dmp

    Filesize

    88KB

  • memory/2472-15-0x0000000000400000-0x0000000000416000-memory.dmp

    Filesize

    88KB

  • memory/2472-7-0x0000000000400000-0x0000000000416000-memory.dmp

    Filesize

    88KB

  • memory/2472-12-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

    Filesize

    4KB

  • memory/2472-11-0x0000000000400000-0x0000000000416000-memory.dmp

    Filesize

    88KB

  • memory/2472-10-0x0000000000400000-0x0000000000416000-memory.dmp

    Filesize

    88KB

  • memory/2472-13-0x0000000000400000-0x0000000000416000-memory.dmp

    Filesize

    88KB

  • memory/2556-37-0x0000000000010000-0x0000000000040000-memory.dmp

    Filesize

    192KB

  • memory/2816-3-0x0000000073C3E000-0x0000000073C3F000-memory.dmp

    Filesize

    4KB

  • memory/2816-4-0x0000000073C30000-0x000000007431E000-memory.dmp

    Filesize

    6.9MB

  • memory/2816-0-0x0000000073C3E000-0x0000000073C3F000-memory.dmp

    Filesize

    4KB

  • memory/2816-19-0x0000000073C30000-0x000000007431E000-memory.dmp

    Filesize

    6.9MB

  • memory/2816-2-0x0000000073C30000-0x000000007431E000-memory.dmp

    Filesize

    6.9MB

  • memory/2816-1-0x00000000003C0000-0x00000000003F0000-memory.dmp

    Filesize

    192KB