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Overview

overview

10

Static

static

7

bf8ed7cfe9...18.exe

windows7-x64

10

bf8ed7cfe9...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    18s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    24/08/2024, 22:36

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General

  • Target

    bf8ed7cfe9877bc2a125a4b3eecd58a4_JaffaCakes118.exe

  • Size

    7.7MB

  • MD5

    bf8ed7cfe9877bc2a125a4b3eecd58a4

  • SHA1

    34b9ae5acf6d508a838a464108c98e92f2e7cadb

  • SHA256

    b95a8d9aa0f513607c692a396d61d5cd66c74aed7ba36eb8de638c4eb022a520

  • SHA512

    9cfff413727bec9bed89699c7b779a1d498b0a5bc2d3dc30635e1a4642a9e93543fb6d5a053ac1cb58530931153a0772115d9d0d338d81e1918f51be3a0c984c

  • SSDEEP

    196608:i7effIPEsy58doQaTzwZ8Jq3QKnqVtxQw818dmXEQl1llLmiwlyif8cHQlk8nP+4:i7effIPEsy58doQaTzwZ8Jq3QKnqVtxI

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 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 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 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 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bf8ed7cfe9877bc2a125a4b3eecd58a4_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\bf8ed7cfe9877bc2a125a4b3eecd58a4_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:2296
    • C:\Users\Admin\AppData\Local\Temp\bf8ed7cfe9877bc2a125a4b3eecd58a4_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\bf8ed7cfe9877bc2a125a4b3eecd58a4_JaffaCakes118.exe
      2⤵
      • Enumerates connected drives
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2044
      • C:\Users\Admin\AppData\Local\Temp\bf8ed7cfe9877bc2a125a4b3eecd58a4_JaffaCakes118.exe
        C:\Users\Admin\AppData\Local\Temp\bf8ed7cfe9877bc2a125a4b3eecd58a4_JaffaCakes118.exe
        3⤵
        • Enumerates connected drives
        • Suspicious behavior: EnumeratesProcesses
        PID:2840
    • C:\Users\Admin\AppData\Local\Temp\bf8ed7cfe9877bc2a125a4b3eecd58a4_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\bf8ed7cfe9877bc2a125a4b3eecd58a4_JaffaCakes118.exe
      2⤵
      • Enumerates connected drives
      • Suspicious behavior: EnumeratesProcesses
      PID:2168
    • 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:2212

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    7.7MB

    MD5

    ebf8230acca4c4fbd7902b6d5b962d41

    SHA1

    91d6b1a79ff68a3c3f6e0641d6a66caba0460798

    SHA256

    204bbb723b770a29f33007789e8066e68e65dd27584d6af9653c511e7a66ee9f

    SHA512

    12e10960314f0fa5107be413e1f6f2481c395c2a228bcb3b46f4370251b01d30766241ddcb9c669a03e5818642ff559b90b2603dca038581d3d9f3ea685f676e

    Download Submit

  • \Windows\SysWOW64\ftpdll.dll
    Filesize

    5KB

    MD5

    d807aa04480d1d149f7a4cac22984188

    SHA1

    ffd5be65fd10017e34c11cecd105ebf4aa6c0cd9

    SHA256

    eddf092d901afe128322910c3ff41a3f242d33d6b4cdf91ece327076b324ccbb

    SHA512

    875543583c20ab164f37a4fb2587d234ce0a15d649d22b0d1dae5933f0a7683db170578746ea4458c51fec26e2243c6ec00dc10db8d4289789e50d5800cf863e

    Download Submit

  • memory/2044-1-0x0000000000350000-0x0000000000376000-memory.dmp

    Filesize

    152KB

    Download

  • memory/2044-15-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

    Download

  • memory/2044-17-0x0000000000350000-0x0000000000376000-memory.dmp

    Filesize

    152KB

    Download

  • memory/2168-16-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

    Download

  • memory/2296-0-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

    Download

  • memory/2296-12-0x0000000010000000-0x000000001010B000-memory.dmp

    Filesize

    1.0MB

    Download

  • memory/2296-13-0x0000000010000000-0x000000001010B000-memory.dmp

    Filesize

    1.0MB

    Download

  • memory/2296-14-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

    Download

  • memory/2840-18-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

    Download