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Analysis

  • max time kernel
    146s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    06/07/2024, 03:57

General

  • Target

    27553ffd7483441113a8846c1d412cfb_JaffaCakes118.exe

  • Size

    830KB

  • MD5

    27553ffd7483441113a8846c1d412cfb

  • SHA1

    80217e6c2519e79f159815afca3abc45157de162

  • SHA256

    7845baea0ad22217e025fbe279cfba5ec9457407167b5106aaf6c46cab8dd5b1

  • SHA512

    595987f3ea505eab071f0ab5515a3fe7d728efaa58b1992b8fc60c46de3d90327702bc52cf7329219efea2492d60b896d17c7e2a331684393d5bf1f5bba52528

  • SSDEEP

    24576:ZxgrMRWjiOPEJYLUfZe/6z1QvbxNCjdmL3ctj:ZxqUAiULUf8/6z1EYjdmIt

Malware Config

Signatures

  • UAC bypass 3 TTPs 4 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • VMProtect packed file 2 IoCs

    Detects executables packed with VMProtect commercial packer.

  • Adds Run key to start application 2 TTPs 3 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Drops file in System32 directory 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies data under HKEY_USERS 24 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • System policy modification 1 TTPs 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\27553ffd7483441113a8846c1d412cfb_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\27553ffd7483441113a8846c1d412cfb_JaffaCakes118.exe"
    1⤵
    • UAC bypass
    • Loads dropped DLL
    • Adds Run key to start application
    • Checks whether UAC is enabled
    • Drops file in System32 directory
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:2000
    • C:\Windows\SysWOW64\WerFaultSec.exe
      C:\Windows\System32\WerFaultSec.exe -i
      2⤵
      • Executes dropped EXE
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: EnumeratesProcesses
      PID:1880
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\_uninsep.bat" "
      2⤵
      • Deletes itself
      PID:2500
  • C:\Windows\SysWOW64\WerFaultSec.exe
    C:\Windows\SysWOW64\WerFaultSec.exe
    1⤵
    • UAC bypass
    • Executes dropped EXE
    • Adds Run key to start application
    • Checks whether UAC is enabled
    • Drops file in System32 directory
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Modifies data under HKEY_USERS
    • Suspicious behavior: EnumeratesProcesses
    • System policy modification
    PID:2476

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    305B

    MD5

    add878125bb72c55c7dbb357394789fc

    SHA1

    eb23082a2b3dad2a68e670e8a41a3aae71de2847

    SHA256

    de77adeac71f6efbf52cbca4f83bda1fef0e9b5dc650d6bc32f5214030149538

    SHA512

    bef479d19784103a21352b4077c2f006acc926ae66b86959331a3d250dc7dbc4e6f48802518004c3e75d19c4bbf45299c3eec19ec066fc5cea09a4643de4da15

  • \Windows\SysWOW64\WerFaultSec.exe

    Filesize

    689KB

    MD5

    a90a0d930d55b075559ee03cd90e0ddf

    SHA1

    e394d77239fbc7aa54f365348968770609c2c1bf

    SHA256

    2e6d10dffcc5ab3019eab3a30dde526bb2b72dee5e9463d7f592d696b93e41b8

    SHA512

    5dab61992d9fb677a6ef76b1c5ce7d8f855a0490919305fe25d99bc3f1d56bb177893dd94dadee1a2ee1a2c456de08fdcab0827f20d76c0dfc30ecc2d29887d2

  • memory/1880-7-0x00000000775B0000-0x00000000775B1000-memory.dmp

    Filesize

    4KB

  • memory/1880-9-0x00000000775B0000-0x00000000775B1000-memory.dmp

    Filesize

    4KB

  • memory/1880-13-0x0000000075EE0000-0x0000000075EE1000-memory.dmp

    Filesize

    4KB

  • memory/1880-25-0x00000000013D0000-0x0000000001517000-memory.dmp

    Filesize

    1.3MB

  • memory/2000-0-0x0000000000810000-0x0000000000999000-memory.dmp

    Filesize

    1.5MB

  • memory/2000-3-0x0000000000470000-0x00000000005B7000-memory.dmp

    Filesize

    1.3MB

  • memory/2000-34-0x0000000000810000-0x0000000000999000-memory.dmp

    Filesize

    1.5MB

  • memory/2476-16-0x00000000013D0000-0x0000000001517000-memory.dmp

    Filesize

    1.3MB

  • memory/2476-36-0x00000000013D0000-0x0000000001517000-memory.dmp

    Filesize

    1.3MB

  • memory/2476-37-0x0000000075EE0000-0x0000000075EE1000-memory.dmp

    Filesize

    4KB