Analysis

  • max time kernel
    149s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-06-2024 00:18

General

  • Target

    a31ae939fbb3885501f82d470b4b0af6_JaffaCakes118.exe

  • Size

    512KB

  • MD5

    a31ae939fbb3885501f82d470b4b0af6

  • SHA1

    66ed8b4892099e6ecd74d1fe39d2f932416acbcf

  • SHA256

    568fefad3e99375d017c336a480cc00557e4d3755f89fcfb9c16beaf1b9646c1

  • SHA512

    0e3fac08170a29e415e895b4d63822edcfcd068d9b4b007cbd63e1b3f51431e0a3da18c1f43e6c43627af0100db0af69ff4bf85541cfbad6b58905c3f0171d0c

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6a:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm5P

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
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 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 9 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 13 IoCs
  • Drops file in Program Files directory 14 IoCs
  • Drops file in Windows directory 19 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 20 IoCs
  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of FindShellTrayWindow 18 IoCs
  • Suspicious use of SendNotifyMessage 18 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a31ae939fbb3885501f82d470b4b0af6_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a31ae939fbb3885501f82d470b4b0af6_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • 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:548
    • C:\Windows\SysWOW64\xqbxvrdjgc.exe
      xqbxvrdjgc.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
      • 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:3860
      • C:\Windows\SysWOW64\nhedzlfr.exe
        C:\Windows\system32\nhedzlfr.exe
        3⤵
        • Executes dropped EXE
        • Enumerates connected drives
        • Drops file in System32 directory
        • Drops file in Program Files directory
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:1888
    • C:\Windows\SysWOW64\nbyormfxaeqqbrl.exe
      nbyormfxaeqqbrl.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:960
    • C:\Windows\SysWOW64\nhedzlfr.exe
      nhedzlfr.exe
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:4344
    • C:\Windows\SysWOW64\aznuaooucqgmt.exe
      aznuaooucqgmt.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:3356
    • C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
      "C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Windows\mydoc.rtf" /o ""
      2⤵
      • Drops file in Windows directory
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      PID:4772

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.DOC.exe

    Filesize

    512KB

    MD5

    d7ac38582dd2a776ad5ed161ad3af0da

    SHA1

    316b407122ebc2c522e6be0344b46a27b478e4ec

    SHA256

    104675d3562ec0a64ee0a1af3f479dedef5e1eab6604bcdd82912cb24e522324

    SHA512

    728ef6b695f0963f5a896e69efa39ff51ad96be672220611f503cf2ae560fba550204f913ebfbd56f8a1ca59672c03b4cbfaca0418acba635da35a3ad4801dbe

  • C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.DOC.exe

    Filesize

    512KB

    MD5

    94d5d568fff7f85897be973fe758e499

    SHA1

    720daa702270ffdbd419720d10ab7d13f3921029

    SHA256

    b279588f8601f67f716a072549334eb7bd7620d5228e6ceeee32f9a8047fa48b

    SHA512

    88ae18388d3f55f28ab2533dc11ef83b8de0572c23d0f2161a5751ca7efd9ee8226b6bde23a733805f81f4a840db45899329ed428f468eca366758aa9e9bf76a

  • C:\Users\Admin\AppData\Local\Temp\TCD7F8D.tmp\iso690.xsl

    Filesize

    263KB

    MD5

    ff0e07eff1333cdf9fc2523d323dd654

    SHA1

    77a1ae0dd8dbc3fee65dd6266f31e2a564d088a4

    SHA256

    3f925e0cc1542f09de1f99060899eafb0042bb9682507c907173c392115a44b5

    SHA512

    b4615f995fab87661c2dbe46625aa982215d7bde27cafae221dca76087fe76da4b4a381943436fcac1577cb3d260d0050b32b7b93e3eb07912494429f126bb3d

  • C:\Users\Admin\AppData\Roaming\Microsoft\Office\Recent\index.dat

    Filesize

    239B

    MD5

    12b138a5a40ffb88d1850866bf2959cd

    SHA1

    57001ba2de61329118440de3e9f8a81074cb28a2

    SHA256

    9def83813762ad0c5f6fdd68707d43b7ccd26633b2123254272180d76bc3faaf

    SHA512

    9f69865a791d09dec41df24d68ad2ab8292d1b5beeca8324ba02feba71a66f1ca4bb44954e760c0037c8db1ac00d71581cab4c77acbc3fb741940b17ccc444eb

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\fb3b0dbfee58fac8.customDestinations-ms

    Filesize

    3KB

    MD5

    d73ce7178631d9cc30bac89b66041a67

    SHA1

    82e6ede6995a25c267affe4bcc11591f843174fc

    SHA256

    ea9483bad8b926445baa5bddf28095fa137dd3917da847e334165e8b6e5fb2e5

    SHA512

    56caac0d8ba161cc19a9ab46ec70018b204d6863247461afa033ddf4ddedd3af0df80d71be1d66ce386633ff35faa08ce8e829018b44b640963c444849b7bc1b

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\fb3b0dbfee58fac8.customDestinations-ms

    Filesize

    3KB

    MD5

    8393bbfa6085a2dd6034cda7b6bbe743

    SHA1

    dfc29dda1aa521b8f59fe8a54e73023c5c08d050

    SHA256

    730839752a85027d9892ecb683a04e427c21397412f8f2cc23517f43e0d34b64

    SHA512

    4ddb195d250366be01cc8f2fb5d6b65760fa95808e7db7bd83c068014a1f5a517363852775a4ebe8abe5cee0c266c9a949c0a840cce0af0dbb7c1455e6a182c1

  • C:\Windows\SysWOW64\aznuaooucqgmt.exe

    Filesize

    512KB

    MD5

    14596fd9c7da79e6b09ba9dc67fcc13f

    SHA1

    8c942583c3febedc81bf00720c9260904e1ec82c

    SHA256

    e507c50a06077c9f38a9033e9617852557418ac26b8d1985f89cd7ffc375d840

    SHA512

    81bd803c8b5bbaf24866777f022cd1c263464cc6315a3d6d19450884aeaa03330b47307721da252b518912f177ee130b9524c0bfa057e8c22bae300ce3d42d18

  • C:\Windows\SysWOW64\nbyormfxaeqqbrl.exe

    Filesize

    512KB

    MD5

    f32f1d87e07c7c9cc7b5b8dbae1c6584

    SHA1

    465d370f56c5916744ae2add4f71acc69f4300e0

    SHA256

    40d301f286522a56d67182268f1973b7789e165ad2a35885ebd419c4790e2173

    SHA512

    ab116d2378c32edd31693524960b53dc6faeb62ec537a5e61642c110082e5b74d2b97c513759c6ffee232d4501ff5cc2ba368e8041f1edbd93c1037f821401de

  • C:\Windows\SysWOW64\nhedzlfr.exe

    Filesize

    512KB

    MD5

    d7a22cbaa4f1bb9ef277cc47eecb61ea

    SHA1

    245dd8a8006b3b3454051d1cc93c81a5deef926c

    SHA256

    1f2c2abd35435b21d02c18922a598986067cbc37d3843fc090fc72dac0b0d6b4

    SHA512

    e6448de72f4450a0a8341190717987a7f2eb2feb45d95d4e449da97979ba43fd61f8da39d9b23d50ca4f2bf086070f7ab0d89b69bb584f6ca9caf7e1e05d8eac

  • C:\Windows\SysWOW64\xqbxvrdjgc.exe

    Filesize

    512KB

    MD5

    82f9316c8eacdb5bdb07e34050ee9b67

    SHA1

    7ca64c05fd0ffd99dc0e48a52131d7f79e098148

    SHA256

    c6e4fc758820e1c9695a8b08a3c15c95c6fdf5b02d48841f0e4f1ac9e1b48cea

    SHA512

    186541a35de91ccda3fd304d3bddd2cf29bce667f5014f237897c0f96a4b5b219560234a00d1c3005c710f42e4b816645eabaef5ebe5a3321b69c33779a138a6

  • C:\Windows\mydoc.rtf

    Filesize

    223B

    MD5

    06604e5941c126e2e7be02c5cd9f62ec

    SHA1

    4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

    SHA256

    85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

    SHA512

    803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

  • \??\c:\Windows\SysWOW64\MSDRM\MsoIrmProtector.doc.exe

    Filesize

    512KB

    MD5

    e63a93774d43000337fd3d1adb0f2c33

    SHA1

    d0872fcae39c36b58681e30eb58b857541799ecc

    SHA256

    bea07e3f48279a5609a70a11f80b3d3c1e051bacd28edee2ee04c9d3c1a385bd

    SHA512

    7fd94e2f8d5495812b493739628732de60b1061aea18da0abd2d9bf628509230b66dbc8ed01cf377c8b1bf6e9303fc75782324cf6baa3ddfdf697ebaf7a2614b

  • \??\c:\Windows\SysWOW64\MSDRM\MsoIrmProtector.doc.exe

    Filesize

    512KB

    MD5

    1b790b0216dee2a0b55b440364b43d6c

    SHA1

    b630796627d21e101894407c0c95e81843fb90b5

    SHA256

    f9578fb15cce0cc4f89f4d00c9c85416e9c044ce253cbf072a2cc2c2762eaead

    SHA512

    4da67553f1430479c2233060db58adabbe87a28817dc135c1b842b85c47f9c74c4e835975f50c0201b32bd5b0c2eeb8444c22e18b8d7539e6ed9f5d8e92b3ffd

  • memory/548-0-0x0000000000400000-0x0000000000496000-memory.dmp

    Filesize

    600KB

  • memory/4772-40-0x00007FFEC1D10000-0x00007FFEC1D20000-memory.dmp

    Filesize

    64KB

  • memory/4772-43-0x00007FFEBFA40000-0x00007FFEBFA50000-memory.dmp

    Filesize

    64KB

  • memory/4772-39-0x00007FFEC1D10000-0x00007FFEC1D20000-memory.dmp

    Filesize

    64KB

  • memory/4772-38-0x00007FFEC1D10000-0x00007FFEC1D20000-memory.dmp

    Filesize

    64KB

  • memory/4772-41-0x00007FFEC1D10000-0x00007FFEC1D20000-memory.dmp

    Filesize

    64KB

  • memory/4772-42-0x00007FFEBFA40000-0x00007FFEBFA50000-memory.dmp

    Filesize

    64KB

  • memory/4772-37-0x00007FFEC1D10000-0x00007FFEC1D20000-memory.dmp

    Filesize

    64KB

  • memory/4772-595-0x00007FFEC1D10000-0x00007FFEC1D20000-memory.dmp

    Filesize

    64KB

  • memory/4772-594-0x00007FFEC1D10000-0x00007FFEC1D20000-memory.dmp

    Filesize

    64KB

  • memory/4772-596-0x00007FFEC1D10000-0x00007FFEC1D20000-memory.dmp

    Filesize

    64KB

  • memory/4772-597-0x00007FFEC1D10000-0x00007FFEC1D20000-memory.dmp

    Filesize

    64KB