Analysis

  • max time kernel
    150s
  • max time network
    52s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-04-2024 06:02

General

  • Target

    06faac3605f8a1fb2d06a5d320422213_JaffaCakes118.exe

  • Size

    3.1MB

  • MD5

    06faac3605f8a1fb2d06a5d320422213

  • SHA1

    414301f64972426195164e32fad4d239f9ebefba

  • SHA256

    79a976cff73a10a848ef2f53c10aaa9ce73d6a908562953506458b157bc16d11

  • SHA512

    542d08b6214828eb5b8d04c250feaca099f8122b9291e299d2c536c3a58714495336acb4a527dde6d29badfdc3e192b60fe1dbfcc52948e76e8a6b8c385cd0bb

  • SSDEEP

    49152:+UJ6ZNXox4SgJhBsfHJq/nCFT4Mv0Pt97R:+tR4xGnCtvwV

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 4 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • UAC bypass 3 TTPs 9 IoCs
  • Executes dropped EXE 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Checks whether UAC is enabled 1 TTPs 6 IoCs
  • Drops file in Windows directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs
  • System policy modification 1 TTPs 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\06faac3605f8a1fb2d06a5d320422213_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\06faac3605f8a1fb2d06a5d320422213_JaffaCakes118.exe"
    1⤵
    • UAC bypass
    • Checks whether UAC is enabled
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:2288
    • \??\c:\windows\wininit.exe
      c:\windows\wininit.exe
      2⤵
      • Modifies WinLogon for persistence
      • Modifies visiblity of hidden/system files in Explorer
      • UAC bypass
      • Executes dropped EXE
      • Checks whether UAC is enabled
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      • System policy modification
      PID:4396
    • \??\c:\users\admin\appdata\local\svchost.exe
      c:\users\admin\appdata\local\svchost.exe
      2⤵
      • Modifies WinLogon for persistence
      • Modifies visiblity of hidden/system files in Explorer
      • UAC bypass
      • Executes dropped EXE
      • Checks whether UAC is enabled
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • System policy modification
      PID:2944

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\RCX3FC8.tmp

    Filesize

    3.1MB

    MD5

    d555c04b2df5c707c0277174b3deea5d

    SHA1

    537ffa553b9ea337a2805b03c780e12b9fa0f845

    SHA256

    990f25587d0a2f43a4a3b9c9438a049d1b43314f379bcf3be449b31337898e6e

    SHA512

    a8d2f08966daf92ea50bec82cf2db504a4840a32b1a7f2dbcbbd6afdf49a9f5e0176ec2b725c441bbb6f5a772db41fe49522e873a55756f60912f41f704ae8a9

  • C:\Windows\wininit.exe

    Filesize

    3.1MB

    MD5

    06faac3605f8a1fb2d06a5d320422213

    SHA1

    414301f64972426195164e32fad4d239f9ebefba

    SHA256

    79a976cff73a10a848ef2f53c10aaa9ce73d6a908562953506458b157bc16d11

    SHA512

    542d08b6214828eb5b8d04c250feaca099f8122b9291e299d2c536c3a58714495336acb4a527dde6d29badfdc3e192b60fe1dbfcc52948e76e8a6b8c385cd0bb

  • memory/2288-40-0x0000000000400000-0x00000000007B5000-memory.dmp

    Filesize

    3.7MB

  • memory/2288-0-0x00000000026A0000-0x00000000026A1000-memory.dmp

    Filesize

    4KB

  • memory/2944-47-0x0000000002750000-0x0000000002751000-memory.dmp

    Filesize

    4KB

  • memory/2944-55-0x0000000000400000-0x00000000007B5000-memory.dmp

    Filesize

    3.7MB

  • memory/2944-39-0x0000000002750000-0x0000000002751000-memory.dmp

    Filesize

    4KB

  • memory/2944-43-0x0000000000400000-0x00000000007B5000-memory.dmp

    Filesize

    3.7MB

  • memory/4396-42-0x0000000000400000-0x00000000007B5000-memory.dmp

    Filesize

    3.7MB

  • memory/4396-46-0x0000000000920000-0x0000000000921000-memory.dmp

    Filesize

    4KB

  • memory/4396-44-0x0000000000400000-0x00000000007B5000-memory.dmp

    Filesize

    3.7MB

  • memory/4396-54-0x0000000000400000-0x00000000007B5000-memory.dmp

    Filesize

    3.7MB

  • memory/4396-35-0x0000000000920000-0x0000000000921000-memory.dmp

    Filesize

    4KB

  • memory/4396-62-0x0000000000400000-0x00000000007B5000-memory.dmp

    Filesize

    3.7MB

  • memory/4396-66-0x0000000000400000-0x00000000007B5000-memory.dmp

    Filesize

    3.7MB