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Analysis

  • max time kernel
    150s
  • max time network
    102s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/05/2024, 11:26

General

  • Target

    45f3f7dd5bc12614c370b2a84797a6b2_JaffaCakes118.exe

  • Size

    512KB

  • MD5

    45f3f7dd5bc12614c370b2a84797a6b2

  • SHA1

    26277c4faa6a311d28f23331d6e6a83985bbbcf9

  • SHA256

    9c41efa16ee9811daf1d79794ceadd5475fcd294166d5664fdf1a835e5a7b1ef

  • SHA512

    186fc2af56e02ebb7c5eba6e2a06feafa3af85481f18e677729da82d2bf14ec2e351646c683a64136522120b960e90e597fbf042e50fc0f0e0e28eb3f81ff2d0

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6P: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
  • 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 8 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 12 IoCs
  • Drops file in Program Files directory 15 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\45f3f7dd5bc12614c370b2a84797a6b2_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\45f3f7dd5bc12614c370b2a84797a6b2_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:4328
    • C:\Windows\SysWOW64\yudfnnnlpv.exe
      yudfnnnlpv.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:1404
      • C:\Windows\SysWOW64\qafzzzqe.exe
        C:\Windows\system32\qafzzzqe.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:5096
    • C:\Windows\SysWOW64\vxmrthcqdhnujma.exe
      vxmrthcqdhnujma.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:4004
    • C:\Windows\SysWOW64\qafzzzqe.exe
      qafzzzqe.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:4568
    • C:\Windows\SysWOW64\nnbiworpfdovf.exe
      nnbiworpfdovf.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:1032
    • 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:4444

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\TCD8F33.tmp\sist02.xsl

    Filesize

    245KB

    MD5

    f883b260a8d67082ea895c14bf56dd56

    SHA1

    7954565c1f243d46ad3b1e2f1baf3281451fc14b

    SHA256

    ef4835db41a485b56c2ef0ff7094bc2350460573a686182bc45fd6613480e353

    SHA512

    d95924a499f32d9b4d9a7d298502181f9e9048c21dbe0496fa3c3279b263d6f7d594b859111a99b1a53bd248ee69b867d7b1768c42e1e40934e0b990f0ce051e

  • 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

    6fef6b6c23b2b8357402ed3e3aaa0364

    SHA1

    6a051e9ae85ea93dd9e8f6d34c75511fbe474362

    SHA256

    6e389eeba18767e84eb45e7b211bb888250053b7dc30fa38c1697f60e3a10f76

    SHA512

    7fa8e60a32141fbb85745615df57f823e7aa2cb718f3c0dd69539168f1b80cb372ed41071fc65c848337548eef1772a4998dd0574ccdfabf7b11be67c2527aa5

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

    Filesize

    3KB

    MD5

    bd241f6c60539261879146745bd3b566

    SHA1

    66a67357fc294cb0eba6d3b2190dabfe8f3d0610

    SHA256

    918c672ae8824325527ba44f257786ddd671bf509f5337fbf17d885d3a6a7403

    SHA512

    d0ef4482a3b1b9e4030db04b694ee6bb9ff3e6b12a1a40b21dbd935a68abeeebcde33a9e9eb26e826ccb165bb0b4b72186110cc2dac2a4b18236a452e88023b3

  • C:\Windows\SysWOW64\nnbiworpfdovf.exe

    Filesize

    512KB

    MD5

    947e6023e53ec81ca90a1249615ca639

    SHA1

    6901e97dec32d101b7915f386f0c4e42d0aab11d

    SHA256

    f309e0d22271d1a624ae120630a49a1a22a01c981d7d034c87e32aca505aa612

    SHA512

    153a2eea669804d35fcb0d7a01a405a799f430a7545e78abf54552276ebb14c5d6fcc9d2aaa14b7946f18d956f2ca9fda1ac9f06b8937c46ecb3305a1f61fd10

  • C:\Windows\SysWOW64\qafzzzqe.exe

    Filesize

    512KB

    MD5

    0a0837287e80894b9941644e94b5ab55

    SHA1

    696942f5195d21fff89f456c9b8eaae399f3fc83

    SHA256

    7ccc6c2329a239bb44bd6685024e202f8726fc664b7f0d676bfbdcb76b2b9406

    SHA512

    9df0b5f3f1e0e47846b0fa94406b284c24f46f464c9f4c7e39abfbd2be891422f7c367b075fd1b8da45eba4a3d2f4fd82c630c8758069004b8a9f92f98ef33cd

  • C:\Windows\SysWOW64\vxmrthcqdhnujma.exe

    Filesize

    512KB

    MD5

    91ef34209e8e14c07c8682abc927de07

    SHA1

    d0e649b31abb3eb2ccf7849490f846db0923787c

    SHA256

    2d035127127216e85511cce6ee0a32eebb0bd53f7ad1a8bc2668e3496d66c8a6

    SHA512

    efa6ee3ec75dcf0d0753e4e0d198c209878dd358b1d28ab4ccf8861ab9736caf897f5a68979bed632a33c0807fe95d5d9be1928c2298de8b7f4a15ef35550b97

  • C:\Windows\SysWOW64\yudfnnnlpv.exe

    Filesize

    512KB

    MD5

    6811422361b338598c940e1606edd24b

    SHA1

    df3c8a07d07066ecad246479d007242b9e59ab1a

    SHA256

    030f06209486564f3b4f66928ce4413766da3b224f941f7098b045a6ad64df3d

    SHA512

    9e78e8c4af6a66bebb4c63149d20d0c4aacad678c691c5aa40cb9ecdddd171884e12eeeb70a744c852b8a05f86fa9d21eae04690072bc34aac66e89606162357

  • C:\Windows\mydoc.rtf

    Filesize

    223B

    MD5

    06604e5941c126e2e7be02c5cd9f62ec

    SHA1

    4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

    SHA256

    85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

    SHA512

    803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

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

    Filesize

    512KB

    MD5

    1c9ae90bbcaeceda0ea45c0428c77379

    SHA1

    422be7ca62c9ff74689e202b40c79a0929f5dcb6

    SHA256

    192ad06d0e66eda2671cbb028216038ae44cb8f1651b327a89edc55f9aa92406

    SHA512

    b819f715d9ba502e3a66c087cb83a62cd071f2ffa241bcf0adb382488faa7653beb004a48084223ba31e5fde2e999b974d3d243ed058ba79c463f51aba9f6690

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

    Filesize

    512KB

    MD5

    96f873e095f84ff3ec8103415f6edf17

    SHA1

    1ed96de56e677f320b8f1637c155f2a6f7fcdb90

    SHA256

    00743050b5fb98550d129656142e29c78a1099225d0414ac74f8717795e49158

    SHA512

    183e380aa93f5435995e0d9283e7e6170616ac162f86dd8c12d8d19022d15842a3f5601b413ab4f159e4704fbefb23d405dadb43e9f77590f1305ebcbc783ed7

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

    Filesize

    512KB

    MD5

    6d57b43749a221d704dff43c50a337ac

    SHA1

    f12cfdb31af9caabc808ea296de06e31bedfe253

    SHA256

    59c40c17099597db4479e2ada871b81b28f1daf6eb788b9e989b82aff7260bea

    SHA512

    b6fdcbb0067be5aacb79f57973e1485fa81e6ac644ac12207eeb1f228b40b2643aeb91d85f0a4cbcb25a88669844f9916b0b0b320bc8ecd35d3c7d2d527ac00b

  • memory/4328-0-0x0000000000400000-0x0000000000496000-memory.dmp

    Filesize

    600KB

  • memory/4444-38-0x00007FFE0F630000-0x00007FFE0F640000-memory.dmp

    Filesize

    64KB

  • memory/4444-40-0x00007FFE0F630000-0x00007FFE0F640000-memory.dmp

    Filesize

    64KB

  • memory/4444-41-0x00007FFE0F630000-0x00007FFE0F640000-memory.dmp

    Filesize

    64KB

  • memory/4444-39-0x00007FFE0F630000-0x00007FFE0F640000-memory.dmp

    Filesize

    64KB

  • memory/4444-43-0x00007FFE0D450000-0x00007FFE0D460000-memory.dmp

    Filesize

    64KB

  • memory/4444-37-0x00007FFE0F630000-0x00007FFE0F640000-memory.dmp

    Filesize

    64KB

  • memory/4444-42-0x00007FFE0D450000-0x00007FFE0D460000-memory.dmp

    Filesize

    64KB

  • memory/4444-598-0x00007FFE0F630000-0x00007FFE0F640000-memory.dmp

    Filesize

    64KB

  • memory/4444-599-0x00007FFE0F630000-0x00007FFE0F640000-memory.dmp

    Filesize

    64KB

  • memory/4444-597-0x00007FFE0F630000-0x00007FFE0F640000-memory.dmp

    Filesize

    64KB

  • memory/4444-600-0x00007FFE0F630000-0x00007FFE0F640000-memory.dmp

    Filesize

    64KB