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Overview

overview

10

Static

static

7

81cc8945ef...18.exe

windows7-x64

10

81cc8945ef...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    19s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    01/08/2024, 21:31

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General

  • Target

    81cc8945efabcde6aa7fed829a43e5a2_JaffaCakes118.exe

  • Size

    7.1MB

  • MD5

    81cc8945efabcde6aa7fed829a43e5a2

  • SHA1

    4afb9a6e22361d36d84da67726543cf670852753

  • SHA256

    19d41a0a3206e02ff8871ab99cf6d386331b63d60185ed8bb25bce01ad671d1b

  • SHA512

    b64881ae82e8b981f9926c823daa81aada865c868fcd1914b3bccc332b81915a648faf8c0e6062bfa26beccdf3d90f8f814a5060e20d0ba8951c26e1921fa67f

  • SSDEEP

    196608:i7effIPEsy58doQaTzwZ8Jq3QKnqVtxQnKnqVtxQu9OryfEQdy38doQa6818VmXO:i7effIPEsy58doQaTzwZ8Jq3QKnqVtxA

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 11 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 WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\81cc8945efabcde6aa7fed829a43e5a2_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\81cc8945efabcde6aa7fed829a43e5a2_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 WriteProcessMemory
    PID:2472
    • C:\Users\Admin\AppData\Local\Temp\81cc8945efabcde6aa7fed829a43e5a2_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\81cc8945efabcde6aa7fed829a43e5a2_JaffaCakes118.exe
      2⤵
      • Enumerates connected drives
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2284
      • C:\Users\Admin\AppData\Local\Temp\81cc8945efabcde6aa7fed829a43e5a2_JaffaCakes118.exe
        C:\Users\Admin\AppData\Local\Temp\81cc8945efabcde6aa7fed829a43e5a2_JaffaCakes118.exe
        3⤵
        • Enumerates connected drives
        • Suspicious behavior: EnumeratesProcesses
        PID:2712
    • C:\Users\Admin\AppData\Local\Temp\81cc8945efabcde6aa7fed829a43e5a2_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\81cc8945efabcde6aa7fed829a43e5a2_JaffaCakes118.exe
      2⤵
      • Enumerates connected drives
      • Suspicious behavior: EnumeratesProcesses
      PID:592
    • 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:2244

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    7.1MB

    MD5

    fd2dac323d342c081952e08922d03349

    SHA1

    e6553b047fbef1df36b537c4630dadc926adac39

    SHA256

    05c15e8fe7337d274dc24c72715a4c1fc003cbbfeba2e6ff8d13fa88e2c3939f

    SHA512

    cfaf4d6dc2771819784664b78c7e592d96d38c1946aba40a6325154368e067d53a409938a12861e9f20166a1f500f74c6618165979ff16a2b4b3b0376bf87774

    Download Submit

  • \Windows\SysWOW64\ftpdll.dll
    Filesize

    5KB

    MD5

    d807aa04480d1d149f7a4cac22984188

    SHA1

    ffd5be65fd10017e34c11cecd105ebf4aa6c0cd9

    SHA256

    eddf092d901afe128322910c3ff41a3f242d33d6b4cdf91ece327076b324ccbb

    SHA512

    875543583c20ab164f37a4fb2587d234ce0a15d649d22b0d1dae5933f0a7683db170578746ea4458c51fec26e2243c6ec00dc10db8d4289789e50d5800cf863e

    Download Submit

  • memory/592-18-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

    Download

  • memory/2284-19-0x0000000000280000-0x00000000002A6000-memory.dmp

    Filesize

    152KB

    Download

  • memory/2284-2-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

    Download

  • memory/2284-17-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

    Download

  • memory/2472-3-0x0000000000330000-0x0000000000356000-memory.dmp

    Filesize

    152KB

    Download

  • memory/2472-16-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

    Download

  • memory/2472-15-0x0000000010000000-0x000000001010B000-memory.dmp

    Filesize

    1.0MB

    Download

  • memory/2472-14-0x0000000010000000-0x000000001010B000-memory.dmp

    Filesize

    1.0MB

    Download

  • memory/2472-0-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

    Download

  • memory/2472-1-0x0000000000330000-0x0000000000356000-memory.dmp

    Filesize

    152KB

    Download

  • memory/2712-20-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

    Download