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Analysis

  • max time kernel
    149s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    12/10/2024, 10:59

General

  • Target

    39a60fdaf782a269b84849ecc4e2d9a8_JaffaCakes118.exe

  • Size

    376KB

  • MD5

    39a60fdaf782a269b84849ecc4e2d9a8

  • SHA1

    88e1464f27a972130f3dda54ab1c3fee441d4499

  • SHA256

    e81b289efc7f6175f39edfd7cef01058726eeffa7cd7e46535e87d7e5b13eb49

  • SHA512

    4ea713e697b818f9c4dbd3a1cc781c718ccdfa936dbb52a40a3b9922d763fd798bc30077b858ba8bf3e6f66b8e73935c1df374bc92ac62c1226a4cdafe86feb3

  • SSDEEP

    6144:RvbA3ECDDw4uA5J0/RjOGBPVyHYNC+BsiiJXjYd3cCIrIH+QRYcm0K:RTA1uA5IRqaVQghiJXjMBIrAGh0

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

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

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Kills process with taskkill 1 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\39a60fdaf782a269b84849ecc4e2d9a8_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\39a60fdaf782a269b84849ecc4e2d9a8_JaffaCakes118.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2596
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /f /pid 2596 & ping -n 3 127.1 & del /f /q "C:\Users\Admin\AppData\Local\Temp\39a60fdaf782a269b84849ecc4e2d9a8_JaffaCakes118.exe" & start C:\Users\Admin\AppData\Local\nyxiu.exe -f
      2⤵
      • Deletes itself
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:2308
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /pid 2596
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2292
      • C:\Windows\SysWOW64\PING.EXE
        ping -n 3 127.1
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:2444
      • C:\Users\Admin\AppData\Local\nyxiu.exe
        C:\Users\Admin\AppData\Local\nyxiu.exe -f
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:2888

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\nyxiu.exe

    Filesize

    376KB

    MD5

    39a60fdaf782a269b84849ecc4e2d9a8

    SHA1

    88e1464f27a972130f3dda54ab1c3fee441d4499

    SHA256

    e81b289efc7f6175f39edfd7cef01058726eeffa7cd7e46535e87d7e5b13eb49

    SHA512

    4ea713e697b818f9c4dbd3a1cc781c718ccdfa936dbb52a40a3b9922d763fd798bc30077b858ba8bf3e6f66b8e73935c1df374bc92ac62c1226a4cdafe86feb3

  • memory/2596-0-0x00000000002C0000-0x00000000002C3000-memory.dmp

    Filesize

    12KB

  • memory/2596-2-0x0000000001000000-0x00000000010E2000-memory.dmp

    Filesize

    904KB

  • memory/2596-1-0x0000000001000000-0x00000000010E2000-memory.dmp

    Filesize

    904KB

  • memory/2596-4-0x0000000001000000-0x00000000010E2000-memory.dmp

    Filesize

    904KB

  • memory/2888-13-0x0000000001000000-0x00000000010E2000-memory.dmp

    Filesize

    904KB

  • memory/2888-11-0x0000000001000000-0x00000000010E2000-memory.dmp

    Filesize

    904KB

  • memory/2888-10-0x0000000001000000-0x00000000010E2000-memory.dmp

    Filesize

    904KB

  • memory/2888-9-0x0000000001000000-0x00000000010E2000-memory.dmp

    Filesize

    904KB

  • memory/2888-14-0x0000000001000000-0x00000000010E2000-memory.dmp

    Filesize

    904KB

  • memory/2888-15-0x0000000001000000-0x00000000010E2000-memory.dmp

    Filesize

    904KB

  • memory/2888-16-0x0000000001000000-0x00000000010E2000-memory.dmp

    Filesize

    904KB

  • memory/2888-17-0x0000000001000000-0x00000000010E2000-memory.dmp

    Filesize

    904KB

  • memory/2888-18-0x0000000001000000-0x00000000010E2000-memory.dmp

    Filesize

    904KB

  • memory/2888-19-0x0000000001000000-0x00000000010E2000-memory.dmp

    Filesize

    904KB

  • memory/2888-20-0x0000000001000000-0x00000000010E2000-memory.dmp

    Filesize

    904KB

  • memory/2888-21-0x0000000001000000-0x00000000010E2000-memory.dmp

    Filesize

    904KB