Analysis

  • max time kernel
    150s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    28-04-2024 03:29

General

  • Target

    0446e413d0015932fb6129acfc846917_JaffaCakes118.exe

  • Size

    512KB

  • MD5

    0446e413d0015932fb6129acfc846917

  • SHA1

    1bd1b53a8cd37078d2031b2b717f3f9b896ee403

  • SHA256

    5803fefda64f73ecfceeb179720413aeb2cd9ba0fbc8084c0bd98db9a68c8894

  • SHA512

    c33424fca6bd7b8543ef1d0f67b1607a3c9f08a924d83bc75ee19cf4133d631f92bf033766db717e7fb52badba67fdc9d500cc4e09348524e7a77c1208ca50f2

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6v:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm56

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 5 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 5 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Windows security modification 2 TTPs 6 IoCs
  • Adds Run key to start application 2 TTPs 3 IoCs
  • Enumerates connected drives 3 TTPs 64 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Modifies WinLogon 2 TTPs 2 IoCs
  • AutoIT Executable 6 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 9 IoCs
  • Drops file in Program Files directory 14 IoCs
  • Drops file in Windows directory 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Office loads VBA resources, possible macro or embedded object present
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of FindShellTrayWindow 18 IoCs
  • Suspicious use of SendNotifyMessage 18 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0446e413d0015932fb6129acfc846917_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\0446e413d0015932fb6129acfc846917_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2612
    • C:\Windows\SysWOW64\nbwfpbbbmv.exe
      nbwfpbbbmv.exe
      2⤵
      • Modifies visibility of file extensions in Explorer
      • Modifies visiblity of hidden/system files in Explorer
      • Windows security bypass
      • Disables RegEdit via registry modification
      • Executes dropped EXE
      • Loads dropped DLL
      • Windows security modification
      • Enumerates connected drives
      • Modifies WinLogon
      • Drops file in System32 directory
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2068
      • C:\Windows\SysWOW64\tofpugqe.exe
        C:\Windows\system32\tofpugqe.exe
        3⤵
        • Executes dropped EXE
        • Enumerates connected drives
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:2316
    • C:\Windows\SysWOW64\dknobdathuhdgbs.exe
      dknobdathuhdgbs.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2572
    • C:\Windows\SysWOW64\tofpugqe.exe
      tofpugqe.exe
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2644
    • C:\Windows\SysWOW64\rmuigezhvnrgj.exe
      rmuigezhvnrgj.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2432
    • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
      "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Windows\mydoc.rtf"
      2⤵
      • Drops file in Windows directory
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2480
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:1556

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Persistence

    Boot or Logon Autostart Execution

    2
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Winlogon Helper DLL

    1
    T1547.004

    Privilege Escalation

    Boot or Logon Autostart Execution

    2
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Winlogon Helper DLL

    1
    T1547.004

    Defense Evasion

    Hide Artifacts

    2
    T1564

    Hidden Files and Directories

    2
    T1564.001

    Modify Registry

    7
    T1112

    Impair Defenses

    2
    T1562

    Disable or Modify Tools

    2
    T1562.001

    Credential Access

    Unsecured Credentials

    1
    T1552

    Credentials In Files

    1
    T1552.001

    Discovery

    Query Registry

    1
    T1012

    Peripheral Device Discovery

    1
    T1120

    System Information Discovery

    2
    T1082

    Collection

    Data from Local System

    1
    T1005

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Program Files (x86)\Microsoft Office\Office14\1033\PROTTPLV.DOC.exe
      Filesize

      512KB

      MD5

      1d4e38f5211035b8adca513450cb1a1a

      SHA1

      70c4b140fbcf40c0513e95721c261639c35bdd2a

      SHA256

      65c930d0c55d647430de9a1342e51a8da65cf3b24a291de5255af26259332bb6

      SHA512

      06daf3c85eecfffed6bef69e5a8793ac4ebdfb0f501b064f1e81f80a3e13627251c44d97a9a741d1ccd9de61ec6101b73fe001dc1ffd90897c10c0f21a022450

    • C:\Users\Admin\AppData\Roaming\Microsoft\Templates\Normal.dotm
      Filesize

      20KB

      MD5

      711674c453ad142482e2f1874edc7e53

      SHA1

      0f8eb58fbef000ab1ca44fed156333d11b5fc018

      SHA256

      dce325546c58745d7d047ac8b38e4ae2d375d945f54565315b359af31e72af0c

      SHA512

      2061e86ed54f0f3f2caabeb09a73ea71e61b1999e07cf0791febe795b3587a0b02cf90ee5ba9858f7f8f86ba6970fd70b0a64356b1bd957f832e68315315a772

    • C:\Windows\SysWOW64\dknobdathuhdgbs.exe
      Filesize

      512KB

      MD5

      7294c675bfb15bf92858d46e8b33a854

      SHA1

      3af4727f7c479c322cc0dbbf15a3fc2eb568accb

      SHA256

      885d02a6015f536e1fc432361a0570ba9b5448b194fd9b24158d7f36ebc97adf

      SHA512

      4ebd71087100e11cf30d144a5143bd3fe64236c1e779d85014054d55808aeb51acd9c10f57e8b4fe5a4070791231d6d6ff603eac4ee53e90609c291b552d2770

    • C:\Windows\mydoc.rtf
      Filesize

      223B

      MD5

      06604e5941c126e2e7be02c5cd9f62ec

      SHA1

      4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

      SHA256

      85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

      SHA512

      803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

    • \Windows\SysWOW64\nbwfpbbbmv.exe
      Filesize

      512KB

      MD5

      c51ae5e7e5b358791887b03cc591cb25

      SHA1

      eed68357ead134dfaa28922faca6e3d01f1770a5

      SHA256

      13e0ef70d1ec9f775e17ec5ba04379176460c3bc3a8fc1a218245305d81441fc

      SHA512

      5a3a90d8189666a05f4a410deefa7269d87edfa9812e0fe6f50ad76a73f2466649e3dd3e5b89b1b1ab546ffd0b31fbf64519565af67d1bb6739749abc006a6a5

    • \Windows\SysWOW64\rmuigezhvnrgj.exe
      Filesize

      512KB

      MD5

      b2d6ec0d3629f1cce2aa232a3a0361d7

      SHA1

      8987b7bc77782a45ac343d7bd45cc5d8abc09a1e

      SHA256

      fde135668f672b5b704d0a8156d291a2b45c6942488f62a389b324b35bd6be4f

      SHA512

      b1befe5812d819cfdca36392dde710df85289173ce4f8d49d6b254d9f45371748f858410f706853fcbeab7e7bc0d7b97b021bcb2be39f0a40525252918842217

    • \Windows\SysWOW64\tofpugqe.exe
      Filesize

      512KB

      MD5

      baf4cc40a803fcc95c5b1200177cc2c3

      SHA1

      1857cf4cb24ad0be2f17307536b89f9bb3918307

      SHA256

      aca821be6e687eb3babc29a24da9afd3ca07d6d8880c2d515a71ac31975601b1

      SHA512

      46ba1f72e8d18e681360ea57173304f38309b55da491a0bc1db4b25ad7bb2cfb5713834590539040a5825faed3dc606732ad495fe387e02cabb632123bd5e251

    • memory/2480-45-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/2480-94-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/2612-0-0x0000000000400000-0x0000000000496000-memory.dmp
      Filesize

      600KB