Analysis

  • max time kernel
    149s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-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 34 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:5108
    • 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:4828
      • 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:1212
    • 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:1168
    • 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:5052
  • C:\Users\Admin\AppData\Roaming\etdbdd.exe
    C:\Users\Admin\AppData\Roaming\etdbdd.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2208
    • 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:4892
      • 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:1376
    • C:\Windows\SysWOW64\cmd.exe
      "cmd" /c copy "C:\Users\Admin\AppData\Roaming\etdbdd.exe" "C:\Users\Admin\AppData\Roaming\etdbdd.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2668
    • 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:1028
  • C:\Users\Admin\AppData\Roaming\etdbdd.exe
    C:\Users\Admin\AppData\Roaming\etdbdd.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4572

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\etdbdd.exe.log

    Filesize

    520B

    MD5

    41c37de2b4598f7759f865817dba5f80

    SHA1

    884ccf344bc2dd409425dc5ace0fd909a5f8cce4

    SHA256

    427235491a8da3fc8770ed60d30af731835c94585cd08d4d81fca9f703b283bc

    SHA512

    a8f3c74916623de100e4cf22e05df9cdf541b1e32443aab0434f35fb9c4a7fa950b997ce589b532e65731ae471a1f152cd5c00ea1df4bd7a6b57eb27c93c54bd

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

    Filesize

    1.7MB

    MD5

    ba39e9cb587c3f666793fa23e5b94b93

    SHA1

    8a1c3bee1b8ef4cf668d9ebc0f9490b900a7c9cd

    SHA256

    2d25fa02fb76d661dd326bfac20a888f2207a5a4310faafb8a1c1e4d23d89580

    SHA512

    41c7211a90e734e5e88592347f4c78a5f9a0674a9461b45d87b2d664b9e2890790edc5cb820b9986a0200088b912e02bc852d497f075df11efe8032b5091d576

  • memory/5052-12-0x00000000747A0000-0x0000000074F50000-memory.dmp

    Filesize

    7.7MB

  • memory/5052-8-0x0000000000400000-0x0000000000416000-memory.dmp

    Filesize

    88KB

  • memory/5052-11-0x00000000747A0000-0x0000000074F50000-memory.dmp

    Filesize

    7.7MB

  • memory/5052-13-0x00000000747A0000-0x0000000074F50000-memory.dmp

    Filesize

    7.7MB

  • memory/5052-14-0x00000000747A0000-0x0000000074F50000-memory.dmp

    Filesize

    7.7MB

  • memory/5108-3-0x00000000747AE000-0x00000000747AF000-memory.dmp

    Filesize

    4KB

  • memory/5108-4-0x00000000747A0000-0x0000000074F50000-memory.dmp

    Filesize

    7.7MB

  • memory/5108-5-0x00000000059E0000-0x0000000005F84000-memory.dmp

    Filesize

    5.6MB

  • memory/5108-10-0x00000000747A0000-0x0000000074F50000-memory.dmp

    Filesize

    7.7MB

  • memory/5108-0-0x00000000747AE000-0x00000000747AF000-memory.dmp

    Filesize

    4KB

  • memory/5108-2-0x00000000747A0000-0x0000000074F50000-memory.dmp

    Filesize

    7.7MB

  • memory/5108-1-0x00000000007D0000-0x0000000000800000-memory.dmp

    Filesize

    192KB