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Analysis

  • max time kernel
    150s
  • max time network
    133s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/06/2024, 05:01

General

  • Target

    8cf5981ebcd114872f1f286b84158d74_JaffaCakes118.exe

  • Size

    512KB

  • MD5

    8cf5981ebcd114872f1f286b84158d74

  • SHA1

    cda802fcfd5bb56d56abc157d07d1d5c3e9a5508

  • SHA256

    33290ae0daab6d0c855f3c4b820ff1f9ee3a825eb01b94e2750effe2bd3f2863

  • SHA512

    e8f366244d9b02cb196d812f49ac12fe44adfadec6d458cf7848729c0e1c6c17b8de0ada48927779b3b67c4b45934738308dd667898343a3476564609d3f7181

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6w:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm5v

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 10 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 12 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\8cf5981ebcd114872f1f286b84158d74_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\8cf5981ebcd114872f1f286b84158d74_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:4016
    • C:\Windows\SysWOW64\tatoechiwy.exe
      tatoechiwy.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:1724
      • C:\Windows\SysWOW64\svxuzhus.exe
        C:\Windows\system32\svxuzhus.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:2132
    • C:\Windows\SysWOW64\hefvthkyrqjuftz.exe
      hefvthkyrqjuftz.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:4440
    • C:\Windows\SysWOW64\svxuzhus.exe
      svxuzhus.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:4948
    • C:\Windows\SysWOW64\obkkbanzzzsjg.exe
      obkkbanzzzsjg.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:4044
    • 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:912

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

    48ee6d8917ea5a93dad8d5e01da3a552

    SHA1

    31582903ceae8b66c3ed98077612f6a4debd35dd

    SHA256

    db55ca6a31512de7eb1ffa9254f1dbc79c5e9b87c04aff7b1734cffd822cbbb2

    SHA512

    ccc0eda16367a359bc4ef733ee5a265913fd91efaff44373b955977a2393699f82f1c903f374f2a55d3888942dc73863057ee71e864f89f8b22f15157ca7bae8

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

    Filesize

    512KB

    MD5

    c84ec2b5c55cb94894e62d06f349230d

    SHA1

    48ed218426fc695b21f608cb5894071198d1d437

    SHA256

    bae9a858429dcef0ae992d4e445980fe6d21c2f9c06f7e509895a2847eb04b5c

    SHA512

    c42b6a68fba74557e96aa500a85436f597f4c44cdd5c7f784b37e820d294b1fcd3b0000d31019068be34648f9f7b0f4ea42b196485d9d23f9627c13a881d16b6

  • C:\Users\Admin\AppData\Local\Temp\TCD893A.tmp\sist02.xsl

    Filesize

    245KB

    MD5

    f883b260a8d67082ea895c14bf56dd56

    SHA1

    7954565c1f243d46ad3b1e2f1baf3281451fc14b

    SHA256

    ef4835db41a485b56c2ef0ff7094bc2350460573a686182bc45fd6613480e353

    SHA512

    d95924a499f32d9b4d9a7d298502181f9e9048c21dbe0496fa3c3279b263d6f7d594b859111a99b1a53bd248ee69b867d7b1768c42e1e40934e0b990f0ce051e

  • C:\Users\Admin\AppData\Roaming\ImportEnter.doc.exe

    Filesize

    512KB

    MD5

    598925c4c8684dda4d8f3bfda1d334f4

    SHA1

    31e661944cd5cdb385f1399bd1f38a63a047f0d6

    SHA256

    941936e31dc7c8d742a5ddf77ea851c1ad0ab5215ee5610944ab95033f098da6

    SHA512

    b1f7a6cb1f66d324ffd8eb59b84ba14d0ea7c8ab93470ea5c579eee5d549687a1dd6bcd7f2156ac83f07395c0ebfbd7b8bf344a4ff73a5c0893bcaacd8990bbb

  • 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

    50813ef9c4fdeb06116db944bf321b71

    SHA1

    d29a7300e7de7edff87c9c6d3f5be232b68ff4ae

    SHA256

    eaa0e7fc771b1754f99b8c65d47418692fcba296a3c3b4a9faba7ec1da7171c8

    SHA512

    c446d8b7827338ba0eb2f64488e0ad490b71c6dfd0001701fec63ee2160ba7a0dce52a3e86d60a40283fbc18b4b61a53dd4e7089fc0db376474fa43c2dcefcca

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

    Filesize

    3KB

    MD5

    9c0958734758d292a076119e2dba6ff0

    SHA1

    44779861e7c250c5484cc6f0f992e7009a3a0094

    SHA256

    28e8bdc4dbe2641fa3df574e1ba87c9cae2a2dbc557bf7cffe118df3580fb20a

    SHA512

    7cfe996d07ed87432dd45017650b4a30e1f2728ad2232582832434d5dbdca71b627f7962207b09212e68f10e91a76343cad40746599a00cb4ef58be63ca48ace

  • C:\Windows\SysWOW64\hefvthkyrqjuftz.exe

    Filesize

    512KB

    MD5

    11da409ac0ddd3c7eab43d9000127faa

    SHA1

    8190a358c7bc5ab99399c5b707d1987e459e9dfc

    SHA256

    d8f4baffbe2589c224047901edd6d088339870f85997f66b3a229c2da707143b

    SHA512

    a7596beae745ca8ee6dd945c76ba9fcccdb1b489f1150658d0cb7b0d37d4b88c96b3357f61b627502216fd6c55785835b11772769515ab2100769c31a7d8adeb

  • C:\Windows\SysWOW64\obkkbanzzzsjg.exe

    Filesize

    512KB

    MD5

    32e80d5123495766ffb579f10991c11e

    SHA1

    ee29daeb689d6a0c2ac547bb95d6af1d1a02dd3a

    SHA256

    d4a2de9b93b08caf9e98ca6369ef5ed741d55131c66c9d7deaaa299dd874d177

    SHA512

    c11c2ca3c58586103a79c5517ce22d274cbd72152de3943b60c8f28effb085b2bd9b0429ff8b8c45ef1f9568223c28caaa353f83fe0a7dc98971debdf79142cc

  • C:\Windows\SysWOW64\svxuzhus.exe

    Filesize

    512KB

    MD5

    7757f1504454633f454f3dd6f2543aac

    SHA1

    de6544df0760500256bac4042b92c67355d16ce7

    SHA256

    5a1d8288d1ca949cd2f0733d212262c652bb48b43bc89804541d69f7db965c26

    SHA512

    65b399d62a727e7cc297068499c814e87686e3b14904324ff819e3744bec3799e395b586ecf377cc0be87d2526d322fb55d58abcc5f8f1ff4f5849f1066d56c0

  • C:\Windows\SysWOW64\tatoechiwy.exe

    Filesize

    512KB

    MD5

    1197386f189c22908e164b4e8b6fd7ad

    SHA1

    f14fe03c9fa65e6966cf4bf2b99735e56a524208

    SHA256

    528617b0fca38c27744cd180b39a2c469fba5198b053083c32dd326b624ecec7

    SHA512

    46e986116410bc0ba95d9fceb1f3558d83f14ff05785a8d07c34c285df7ba69a1c06ba11486ff380d56aa65e3b0f777aa3f44285e18f2501300fd83a990abf54

  • C:\Windows\mydoc.rtf

    Filesize

    223B

    MD5

    06604e5941c126e2e7be02c5cd9f62ec

    SHA1

    4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

    SHA256

    85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

    SHA512

    803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

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

    Filesize

    512KB

    MD5

    7db1a77f6d1178ced29fd79839d6733a

    SHA1

    0b9517dee648d921a617d31c96c0a348e629a302

    SHA256

    905845b832879cbf4cc8f6531e8ee20038f2811ff92aa662163f16494dfc5def

    SHA512

    49b870991b153c8d07cbe5e35d9432ef78d8c43436114521de705ecd3afa3bf65ef581fe24603e141d85b861c4c2190d5511ac3b4301773ec68974bf9800d9a5

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

    Filesize

    512KB

    MD5

    d0a3697a558d1db42fbba623cc8f71f3

    SHA1

    cc5549e2c91185b30230dac36d189640b1a3a5e6

    SHA256

    dbf08cc5060b0f8e1c3cb0bdf40d63dcfbb5911497559ef00fea9d6547ac8efd

    SHA512

    a3edce1b45d4f00bc5b9e0eab2968d16fb4f81d5d2f253ff1266a8fac04a9bf3f4dd6ed440f18822efa7a99354076c5d108a4e203d9e2572cba804f5d8371d14

  • memory/912-41-0x00007FFF7C810000-0x00007FFF7C820000-memory.dmp

    Filesize

    64KB

  • memory/912-40-0x00007FFF7C810000-0x00007FFF7C820000-memory.dmp

    Filesize

    64KB

  • memory/912-38-0x00007FFF7C810000-0x00007FFF7C820000-memory.dmp

    Filesize

    64KB

  • memory/912-39-0x00007FFF7C810000-0x00007FFF7C820000-memory.dmp

    Filesize

    64KB

  • memory/912-42-0x00007FFF7A3E0000-0x00007FFF7A3F0000-memory.dmp

    Filesize

    64KB

  • memory/912-37-0x00007FFF7C810000-0x00007FFF7C820000-memory.dmp

    Filesize

    64KB

  • memory/912-43-0x00007FFF7A3E0000-0x00007FFF7A3F0000-memory.dmp

    Filesize

    64KB

  • memory/912-600-0x00007FFF7C810000-0x00007FFF7C820000-memory.dmp

    Filesize

    64KB

  • memory/912-601-0x00007FFF7C810000-0x00007FFF7C820000-memory.dmp

    Filesize

    64KB

  • memory/912-602-0x00007FFF7C810000-0x00007FFF7C820000-memory.dmp

    Filesize

    64KB

  • memory/912-599-0x00007FFF7C810000-0x00007FFF7C820000-memory.dmp

    Filesize

    64KB

  • memory/4016-0-0x0000000000400000-0x0000000000496000-memory.dmp

    Filesize

    600KB