Overview

overview

10

Static

static

7

ef1a4e5837...18.exe

windows7-x64

10

ef1a4e5837...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    21-09-2024 04:54

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General

  • Target

    ef1a4e5837d0f6dd5b5bc5d1b87c54c5_JaffaCakes118.exe

  • Size

    9.2MB

  • MD5

    ef1a4e5837d0f6dd5b5bc5d1b87c54c5

  • SHA1

    4746ab23f41403caeb06f85fb6883af89b105ca9

  • SHA256

    637b214ccbdac4b59cc790a8743ab414552b37a561f44afd60d0fb234a7a3411

  • SHA512

    63d8485b48acdce2f4f46f114b7a2c42c59e0f36c9054ad99fef3868c643893c69b29393b240b995dceafd298fd9046eb397da8988058d9a1494d63e4e581fa4

  • SSDEEP

    196608:i7effIPEsy58doQaTxLhQyZbIly38doQalArdfehQM2gsyVCQlXlAryfEQupuBy4:i7effIPEsy58doQaTxLhQyZbIly38doF

Score
10/10
adwarediscoverypersistencestealerupx

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 2 IoCs
    persistence
  • Drops file in Drivers directory 3 IoCs
  • Sets service image path in registry 2 TTPs 2 IoCs
    persistence
  • ACProtect 1.3x - 1.4x DLL software 4 IoCs

    Detects file using ACProtect software.

  • Loads dropped DLL 2 IoCs
  • UPX packed file 13 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • Adds Run key to start application 2 TTPs 8 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 64 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Installs/modifies Browser Helper Object 2 TTPs 4 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

    stealeradware
  • Modifies WinLogon 2 TTPs 1 IoCs
    persistence
  • Drops file in System32 directory 2 IoCs
  • 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.

    discovery
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ef1a4e5837d0f6dd5b5bc5d1b87c54c5_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\ef1a4e5837d0f6dd5b5bc5d1b87c54c5_JaffaCakes118.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Drops file in Drivers directory
    • Sets service image path in registry
    • Loads dropped DLL
    • Adds Run key to start application
    • Enumerates connected drives
    • Modifies WinLogon
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1224
    • C:\Users\Admin\AppData\Local\Temp\ef1a4e5837d0f6dd5b5bc5d1b87c54c5_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\ef1a4e5837d0f6dd5b5bc5d1b87c54c5_JaffaCakes118.exe
      2⤵
      • Enumerates connected drives
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1664
      • C:\Users\Admin\AppData\Local\Temp\ef1a4e5837d0f6dd5b5bc5d1b87c54c5_JaffaCakes118.exe
        C:\Users\Admin\AppData\Local\Temp\ef1a4e5837d0f6dd5b5bc5d1b87c54c5_JaffaCakes118.exe
        3⤵
        • Drops file in Drivers directory
        • Sets service image path in registry
        • Loads dropped DLL
        • Adds Run key to start application
        • Enumerates connected drives
        • Drops file in System32 directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:2748
    • C:\Users\Admin\AppData\Local\Temp\ef1a4e5837d0f6dd5b5bc5d1b87c54c5_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\ef1a4e5837d0f6dd5b5bc5d1b87c54c5_JaffaCakes118.exe
      2⤵
      • Enumerates connected drives
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2640
      • C:\Users\Admin\AppData\Local\Temp\ef1a4e5837d0f6dd5b5bc5d1b87c54c5_JaffaCakes118.exe
        C:\Users\Admin\AppData\Local\Temp\ef1a4e5837d0f6dd5b5bc5d1b87c54c5_JaffaCakes118.exe
        3⤵
        • Enumerates connected drives
        PID:2648
    • C:\Windows\SysWOW64\reg.exe
      reg delete "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects" /f
      2⤵
      • Installs/modifies Browser Helper Object
      • System Location Discovery: System Language Discovery
      PID:3064

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\cftmon.exe
    Filesize

    9.2MB

    MD5

    31c02746401288982b5ca225106709c1

    SHA1

    32533eb7214cc5fb9c9000c5f55a185892371916

    SHA256

    31bb005fe89ca529c76fc7b950a3fd424b540ea79b307142a892169ab3ba8b77

    SHA512

    96f682934a09349d9d61e7ad9f6e6b5825c7ad605082b62c003956e8d60963ffa66363fa4588c2c2285cd1f2e3c77da53b5ce8b77bc099975949e01ec97c1bf8

    Download Submit

  • C:\Windows\SysWOW64\drivers\spools.exe
    Filesize

    9.3MB

    MD5

    ca49985b8aa571037edfc13c0ebbd777

    SHA1

    15b31d36bf65d6ec2db698f1c40629369656e1f5

    SHA256

    fc5105f01a487ecfeaa8c7a630322232b7cd64b34720c911caf531413227d011

    SHA512

    5f114bdd4ed2598e331094489cb8b26b05361f77044a457201d888886d4d387cf0ca1db1e202c2e60524d0ef7d16fa16f7b37c5cf59a6093c7bd4bb4b37a9ac0

    Download Submit

  • \Windows\SysWOW64\ftpdll.dll
    Filesize

    5KB

    MD5

    d807aa04480d1d149f7a4cac22984188

    SHA1

    ffd5be65fd10017e34c11cecd105ebf4aa6c0cd9

    SHA256

    eddf092d901afe128322910c3ff41a3f242d33d6b4cdf91ece327076b324ccbb

    SHA512

    875543583c20ab164f37a4fb2587d234ce0a15d649d22b0d1dae5933f0a7683db170578746ea4458c51fec26e2243c6ec00dc10db8d4289789e50d5800cf863e

    Download Submit

  • memory/1224-11-0x0000000010000000-0x000000001010B000-memory.dmp

    Filesize

    1.0MB

    Download

  • memory/1224-14-0x0000000010000000-0x000000001010B000-memory.dmp

    Filesize

    1.0MB

    Download

  • memory/1224-13-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

    Download

  • memory/1224-0-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

    Download

  • memory/1664-15-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

    Download

  • memory/2640-17-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

    Download

  • memory/2648-16-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

    Download

  • memory/2648-32-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

    Download

  • memory/2748-31-0x0000000010000000-0x000000001010B000-memory.dmp

    Filesize

    1.0MB

    Download

  • memory/2748-30-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

    Download