Overview

overview

10

Static

static

7

bef3f6a937...18.exe

windows7-x64

10

bef3f6a937...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    64s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    24/08/2024, 16:02

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General

  • Target

    bef3f6a937bc912d20c3659ce71206e4_JaffaCakes118.exe

  • Size

    7.9MB

  • MD5

    bef3f6a937bc912d20c3659ce71206e4

  • SHA1

    1217225548f783e0291c20d8b0b0cff1b4071065

  • SHA256

    10421e3ae62c7e9565ff97910fc0db6536df572d88d6a196d4691e8c89771209

  • SHA512

    8d061df9ae117dfbd9d8b3182df682150d3de984b7104862a5397d76d82a67f3da1a40ddd8ac414e8e18243e8746e532775065e72c8455e1e42db7b8e4a59ebe

  • SSDEEP

    196608:i7effIPEsy58doQaTzwZ8Jq3QKnqVtxQw818dmXEQl1llLmiwvKyrVtxQubHlfyL:i7effIPEsy58doQaTzwZ8Jq3QKnqVtxw

Score
10/10
adwarediscoverypersistencestealerupx

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 2 IoCs
    persistence
  • Drops file in Drivers directory 2 IoCs
  • Sets service image path in registry 2 TTPs 1 IoCs
    persistence
  • ACProtect 1.3x - 1.4x DLL software 3 IoCs

    Detects file using ACProtect software.

  • Loads dropped DLL 1 IoCs
  • UPX packed file 9 IoCs

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

    upx
  • Adds Run key to start application 2 TTPs 4 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 57 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 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 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 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bef3f6a937bc912d20c3659ce71206e4_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\bef3f6a937bc912d20c3659ce71206e4_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:2908
    • C:\Users\Admin\AppData\Local\Temp\bef3f6a937bc912d20c3659ce71206e4_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\bef3f6a937bc912d20c3659ce71206e4_JaffaCakes118.exe
      2⤵
      • Enumerates connected drives
      • Suspicious behavior: EnumeratesProcesses
      PID:2140
    • C:\Users\Admin\AppData\Local\Temp\bef3f6a937bc912d20c3659ce71206e4_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\bef3f6a937bc912d20c3659ce71206e4_JaffaCakes118.exe
      2⤵
      • Enumerates connected drives
      • Suspicious behavior: EnumeratesProcesses
      PID:864
    • 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:1468

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          7.9MB

          MD5

          6e894a5b31b701946c20afde67fb510c

          SHA1

          b272fed657a3b4711057eee6abc06d542e742eba

          SHA256

          76626ac93eb0524b2879daae8ebcf13fec67c1db749313dc360b3b5a5ebc0ee9

          SHA512

          1b9950b8f01fe5676e6555d01f42de53ca9a8735b192091f0adc52a6b788cd4a2bee41c911b39b59a942bcdf78b0b6b12da06a1be0d01a75a8436259d47e82a6

          Download Submit

        • \Windows\SysWOW64\ftpdll.dll
          Filesize

          5KB

          MD5

          d807aa04480d1d149f7a4cac22984188

          SHA1

          ffd5be65fd10017e34c11cecd105ebf4aa6c0cd9

          SHA256

          eddf092d901afe128322910c3ff41a3f242d33d6b4cdf91ece327076b324ccbb

          SHA512

          875543583c20ab164f37a4fb2587d234ce0a15d649d22b0d1dae5933f0a7683db170578746ea4458c51fec26e2243c6ec00dc10db8d4289789e50d5800cf863e

          Download Submit

        • memory/864-2-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

          Download

        • memory/864-36-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

          Download

        • memory/2140-33-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

          Download

        • memory/2908-0-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

          Download

        • memory/2908-1-0x00000000004B0000-0x00000000004D6000-memory.dmp

          Filesize

          152KB

          Download

        • memory/2908-28-0x0000000010000000-0x000000001010B000-memory.dmp

          Filesize

          1.0MB

          Download

        • memory/2908-31-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

          Download

        • memory/2908-32-0x00000000004B0000-0x00000000004D6000-memory.dmp

          Filesize

          152KB

          Download

        • memory/2908-35-0x00000000004B0000-0x00000000004D6000-memory.dmp

          Filesize

          152KB

          Download

        • memory/2908-34-0x0000000010000000-0x000000001010B000-memory.dmp

          Filesize

          1.0MB

          Download