Analysis

  • max time kernel
    135s
  • max time network
    103s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-08-2024 03:21

General

  • Target

    adb1654c27760ecff4f8dc87f55be850_JaffaCakes118.exe

  • Size

    764KB

  • MD5

    adb1654c27760ecff4f8dc87f55be850

  • SHA1

    db7e0194b8a01c95d9be76bf29d59f68887f39f7

  • SHA256

    90ddfd2d3594bd9ee1c991862b9b1d7a8e03636383e1b60741d828dce4975520

  • SHA512

    3e67bd00ce08df6d72a6890b9c71bb01d05a28942c004b6e9ca85bbd66f42f95259f35a9f670a32f7a55f0da4b31456522b228d758193a377c0d2e2feafbfaaf

  • SSDEEP

    12288:ulGLmWWRI8VNcBaMnj6JNoZA9WviRPRKKSvrSrGjdRvuIM0/EG:ulCmWWRJaj6Xoa/lESaxRvLl

Malware Config

Signatures

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 4 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 4 IoCs

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

  • Uses the VBS compiler for execution 1 TTPs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 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.

  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\adb1654c27760ecff4f8dc87f55be850_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\adb1654c27760ecff4f8dc87f55be850_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4336
    • C:\Users\Admin\AppData\Local\Temp\chrome.exe
      "C:\Users\Admin\AppData\Local\Temp\chrome.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1892
      • C:\Users\Admin\AppData\Local\Temp\vbc.exe
        C:\Users\Admin\AppData\Local\Temp\vbc.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:3992
        • C:\Users\Admin\AppData\Local\Temp\vbc.exe
          /scomma "C:\Users\Admin\AppData\Local\Temp\tmp.ini"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:2828
    • C:\Users\Admin\AppData\Local\Temp\Vulcan Logger.exe
      "C:\Users\Admin\AppData\Local\Temp\Vulcan Logger.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1396

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Vulcan Logger.exe

    Filesize

    244KB

    MD5

    fa9a5b7d966ce66723747b80310e6e47

    SHA1

    f307108aba31c1cb100a5561870eaf513bbb5fdf

    SHA256

    02c5e061e1f4031e6301700a6f022ac040434f3d8e5ae74a3d06305055fbef43

    SHA512

    db2b22ff8a2454dd89d4d5e61d9c8036247d850fdf02cf8844fb6413e43b3585fd3d5574e452a14d2e3e46873d1df87302f346b3402d012552000435d4b4bfba

  • C:\Users\Admin\AppData\Local\Temp\chrome.exe

    Filesize

    316KB

    MD5

    2c2d40567b166fb5d90834b21b43a608

    SHA1

    c507ee42900f919eb423004a7fc3e7dd396ec903

    SHA256

    b51841b27a317fea442fc8d28e5d06e4d035c81dcc13cb589b84403cc1f20765

    SHA512

    814eb0c4710f3833f404f9b6f863392e9fbc460f2e96e4def5412a83156010386c4a8f6743003f8881274cd810ec8d3b7f783a3da83e377612eb7feee87a261d

  • C:\Users\Admin\AppData\Local\Temp\tmp.ini

    Filesize

    5B

    MD5

    d1ea279fb5559c020a1b4137dc4de237

    SHA1

    db6f8988af46b56216a6f0daf95ab8c9bdb57400

    SHA256

    fcdcc2c46896915a1c695d6231f0fee336a668531b7a3da46178c80362546dba

    SHA512

    720e9c284f0559015312df7fe977563e5e16f48d3506e51eb4016adf7971924d352f740b030aa3adc81b6f65fd1dba12df06d10fa6c115074e5097e7ee0f08b3

  • C:\Users\Admin\AppData\Local\Temp\vbc.exe

    Filesize

    1.1MB

    MD5

    d881de17aa8f2e2c08cbb7b265f928f9

    SHA1

    08936aebc87decf0af6e8eada191062b5e65ac2a

    SHA256

    b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0

    SHA512

    5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34

  • memory/1396-35-0x0000000004B70000-0x0000000004C02000-memory.dmp

    Filesize

    584KB

  • memory/1396-45-0x0000000004D60000-0x0000000004D70000-memory.dmp

    Filesize

    64KB

  • memory/1396-64-0x0000000004D60000-0x0000000004D70000-memory.dmp

    Filesize

    64KB

  • memory/1396-29-0x000000007459E000-0x000000007459F000-memory.dmp

    Filesize

    4KB

  • memory/1396-63-0x000000007459E000-0x000000007459F000-memory.dmp

    Filesize

    4KB

  • memory/1396-48-0x0000000004D00000-0x0000000004D56000-memory.dmp

    Filesize

    344KB

  • memory/1396-47-0x0000000004A50000-0x0000000004A5A000-memory.dmp

    Filesize

    40KB

  • memory/1396-32-0x0000000000160000-0x00000000001A6000-memory.dmp

    Filesize

    280KB

  • memory/1396-33-0x0000000004AD0000-0x0000000004B6C000-memory.dmp

    Filesize

    624KB

  • memory/1396-34-0x0000000005120000-0x00000000056C4000-memory.dmp

    Filesize

    5.6MB

  • memory/1892-28-0x0000000073FD2000-0x0000000073FD3000-memory.dmp

    Filesize

    4KB

  • memory/1892-31-0x0000000073FD2000-0x0000000073FD4000-memory.dmp

    Filesize

    8KB

  • memory/1892-30-0x0000000001340000-0x0000000001350000-memory.dmp

    Filesize

    64KB

  • memory/2828-51-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2828-58-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2828-55-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2828-54-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3992-46-0x0000000000400000-0x0000000000436000-memory.dmp

    Filesize

    216KB

  • memory/3992-40-0x0000000000400000-0x0000000000436000-memory.dmp

    Filesize

    216KB

  • memory/3992-60-0x0000000000440000-0x0000000000509000-memory.dmp

    Filesize

    804KB

  • memory/3992-62-0x0000000000400000-0x0000000000436000-memory.dmp

    Filesize

    216KB

  • memory/4336-0-0x00007FFE73CE5000-0x00007FFE73CE6000-memory.dmp

    Filesize

    4KB

  • memory/4336-3-0x00007FFE73A30000-0x00007FFE743D1000-memory.dmp

    Filesize

    9.6MB

  • memory/4336-1-0x000000001BD90000-0x000000001BE36000-memory.dmp

    Filesize

    664KB

  • memory/4336-2-0x00007FFE73A30000-0x00007FFE743D1000-memory.dmp

    Filesize

    9.6MB

  • memory/4336-27-0x00007FFE73A30000-0x00007FFE743D1000-memory.dmp

    Filesize

    9.6MB