Overview

overview

10

Static

static

3

ef31e98c23...18.exe

windows7-x64

10

ef31e98c23...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    21-09-2024 06:02

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General

  • Target

    ef31e98c23ae474cad2c88f76d28a46d_JaffaCakes118.exe

  • Size

    7.4MB

  • MD5

    ef31e98c23ae474cad2c88f76d28a46d

  • SHA1

    12ca70b0d3b3609b77e6fb26cc90afe30f3fb862

  • SHA256

    ce768cee1efcfd1ed6a71eb50e9704a5cebb2e263813621d0d5ad64f2a82ffae

  • SHA512

    9de1a16a4a76b8bd75601b45975ae1d4541e6bc61bd343af98482740591dd5c974565f99f0194d1049329c80d74db1e4e435b8b8264526a45c10bc335291ca9c

  • SSDEEP

    196608:N7effIPEsy58doQaTxLhQyZbIly38doQavqU/yE/QTly38doQa93GdWkMQIGeAi6:N7effIPEsy58doQaTxLhQyZbIly38dok

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 3 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\ef31e98c23ae474cad2c88f76d28a46d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\ef31e98c23ae474cad2c88f76d28a46d_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:2088
    • C:\Users\Admin\AppData\Local\Temp\ef31e98c23ae474cad2c88f76d28a46d_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\ef31e98c23ae474cad2c88f76d28a46d_JaffaCakes118.exe
      2⤵
      • Enumerates connected drives
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2748
      • C:\Users\Admin\AppData\Local\Temp\ef31e98c23ae474cad2c88f76d28a46d_JaffaCakes118.exe
        C:\Users\Admin\AppData\Local\Temp\ef31e98c23ae474cad2c88f76d28a46d_JaffaCakes118.exe
        3⤵
        • Enumerates connected drives
        • Suspicious behavior: EnumeratesProcesses
        PID:3004
    • C:\Users\Admin\AppData\Local\Temp\ef31e98c23ae474cad2c88f76d28a46d_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\ef31e98c23ae474cad2c88f76d28a46d_JaffaCakes118.exe
      2⤵
      • Enumerates connected drives
      • Suspicious behavior: EnumeratesProcesses
      PID:2848
    • 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:2736

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    7.4MB

    MD5

    4ad5694e8f304107c6d225fe74530a21

    SHA1

    4775edcdde90ea22f080a3ed6ce14714d1fd2f47

    SHA256

    c77622b1391cc66ad2ed9f86cc11307113acfe0a86d8349e9a866fd8a9479405

    SHA512

    f98baa87e1ef401c7d134ce37c28facda340bcfbf1709396ab959cd893aa435280c1138a1945762d7e4126786c6721aa37a9642a6a041f050bd89e1097d27819

    Download Submit

  • \Windows\SysWOW64\ftpdll.dll
    Filesize

    5KB

    MD5

    d807aa04480d1d149f7a4cac22984188

    SHA1

    ffd5be65fd10017e34c11cecd105ebf4aa6c0cd9

    SHA256

    eddf092d901afe128322910c3ff41a3f242d33d6b4cdf91ece327076b324ccbb

    SHA512

    875543583c20ab164f37a4fb2587d234ce0a15d649d22b0d1dae5933f0a7683db170578746ea4458c51fec26e2243c6ec00dc10db8d4289789e50d5800cf863e

    Download Submit

  • memory/2088-0-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB

    Download

  • memory/2088-28-0x0000000010000000-0x000000001010B000-memory.dmp

    Filesize

    1.0MB

    Download

  • memory/2088-29-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB

    Download

  • memory/2088-32-0x0000000010000000-0x000000001010B000-memory.dmp

    Filesize

    1.0MB

    Download

  • memory/2748-30-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB

    Download

  • memory/2848-31-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB

    Download

  • memory/3004-33-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB

    Download