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Analysis

  • max time kernel
    94s
  • max time network
    98s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    11/08/2024, 16:25

General

  • Target

    8b1577cbbeed99b594ef014f156a703d_JaffaCakes118.exe

  • Size

    206KB

  • MD5

    8b1577cbbeed99b594ef014f156a703d

  • SHA1

    362b3d14cc6dbe5d0328d27ea22d5f71d69217ed

  • SHA256

    2ede3aa0a9c194a2e5ae22535cc7fd3d314646d12715a4e6bd4547a984115e1e

  • SHA512

    5001310ec64924637c390a7e4b68bf886f7cd602a7776f5b8eb7df9b9a8677b94a0f8a1113d354c9e9ae0bde02fcbcf426d50544c70d0cdd9f0ec4fb677058ea

  • SSDEEP

    3072:q4mkYmY2OdXZntJZye+BuUKwedGVXJVb5b80FbDkPpNA//QloPpYr:q4dHYTZye+BugkGJbO0P/QloBY

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • UPX packed file 27 IoCs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Checks for any installed AV software in registry 1 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Kills process with taskkill 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8b1577cbbeed99b594ef014f156a703d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\8b1577cbbeed99b594ef014f156a703d_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2212
    • C:\Users\Admin\AppData\Local\Temp\8b1577cbbeed99b594ef014f156a703d_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\8b1577cbbeed99b594ef014f156a703d_JaffaCakes118.exe
      2⤵
      • Adds Run key to start application
      • Checks for any installed AV software in registry
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2432
      • C:\Windows\SysWOW64\taskkill.exe
        "C:\Windows\System32\taskkill.exe" /F /IM MSASCui* /IM avg* /IM ash* /IM McSA* /IM msse*
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2960
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\del.bat" >> NUL
        3⤵
        • Deletes itself
        • System Location Discovery: System Language Discovery
        PID:1916

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\del.bat

    Filesize

    183B

    MD5

    538c314417741440e5e37d4f4f14b78c

    SHA1

    0acd26fb7009bdeaca47bb30874f0c9cdf3c62fb

    SHA256

    a6314f6784c9a28de892555a25133de487eb81de6e8ee19aac32505b3e3000bf

    SHA512

    cf3afa5da86d9bd29c14dee10050c4e9d46cf3f1abc4152c927f68ea386a6f1a44c5f17e46c90cf4286885a0609e472f562ba4dc9a7151241682b9a22fc27537

  • memory/2432-28-0x0000000000400000-0x000000000046C000-memory.dmp

    Filesize

    432KB

  • memory/2432-69-0x0000000000400000-0x000000000046C000-memory.dmp

    Filesize

    432KB

  • memory/2432-5-0x0000000000400000-0x000000000046C000-memory.dmp

    Filesize

    432KB

  • memory/2432-8-0x0000000000400000-0x000000000046C000-memory.dmp

    Filesize

    432KB

  • memory/2432-4-0x0000000000400000-0x000000000046C000-memory.dmp

    Filesize

    432KB

  • memory/2432-12-0x0000000000400000-0x000000000046C000-memory.dmp

    Filesize

    432KB

  • memory/2432-13-0x0000000000400000-0x000000000046C000-memory.dmp

    Filesize

    432KB

  • memory/2432-14-0x0000000000400000-0x000000000046C000-memory.dmp

    Filesize

    432KB

  • memory/2432-16-0x0000000000400000-0x000000000046C000-memory.dmp

    Filesize

    432KB

  • memory/2432-18-0x0000000000400000-0x000000000046C000-memory.dmp

    Filesize

    432KB

  • memory/2432-20-0x0000000000400000-0x000000000046C000-memory.dmp

    Filesize

    432KB

  • memory/2432-35-0x0000000000400000-0x000000000046C000-memory.dmp

    Filesize

    432KB

  • memory/2432-7-0x0000000000400000-0x000000000046C000-memory.dmp

    Filesize

    432KB

  • memory/2432-26-0x0000000000400000-0x000000000046C000-memory.dmp

    Filesize

    432KB

  • memory/2432-22-0x0000000000400000-0x000000000046C000-memory.dmp

    Filesize

    432KB

  • memory/2432-40-0x0000000000400000-0x000000000046C000-memory.dmp

    Filesize

    432KB

  • memory/2432-43-0x0000000000400000-0x000000000046C000-memory.dmp

    Filesize

    432KB

  • memory/2432-48-0x0000000000400000-0x000000000046C000-memory.dmp

    Filesize

    432KB

  • memory/2432-49-0x0000000000400000-0x000000000046C000-memory.dmp

    Filesize

    432KB

  • memory/2432-54-0x0000000000400000-0x000000000046C000-memory.dmp

    Filesize

    432KB

  • memory/2432-55-0x0000000000400000-0x000000000046C000-memory.dmp

    Filesize

    432KB

  • memory/2432-60-0x0000000000400000-0x000000000046C000-memory.dmp

    Filesize

    432KB

  • memory/2432-65-0x0000000000400000-0x000000000046C000-memory.dmp

    Filesize

    432KB

  • memory/2432-6-0x0000000000400000-0x000000000046C000-memory.dmp

    Filesize

    432KB

  • memory/2432-2-0x0000000000400000-0x000000000046C000-memory.dmp

    Filesize

    432KB

  • memory/2432-70-0x0000000000400000-0x000000000046C000-memory.dmp

    Filesize

    432KB

  • memory/2432-76-0x0000000000400000-0x000000000046C000-memory.dmp

    Filesize

    432KB