Analysis

  • max time kernel
    104s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250314-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/03/2025, 16:37

General

  • Target

    JaffaCakes118_8ad751aa4eec7e08698f5e63240a2f35.exe

  • Size

    62KB

  • MD5

    8ad751aa4eec7e08698f5e63240a2f35

  • SHA1

    1774bb0a097ef5e152d11812ccc6a1b00799919c

  • SHA256

    9b3c25d13ed5dde35e2007cce55d6e1a84b1457b7195f45778fae945fab74137

  • SHA512

    a74dd9e05fab7f699df6e71aed64ebd9765b2596f9fa3bb5e9e8190d633331f1957a1f1c6a1e6e52fa6190fa081a7d5f3e43e55a56ba288150706b067a5ca691

  • SSDEEP

    1536:zwXVn7kDcuaXa5H5udrqFyTWtLEfjr0mXbAG:UXhugCHeOJtQjr0mXbD

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • Installs/modifies Browser Helper Object 2 TTPs 1 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Drops file in System32 directory 4 IoCs
  • 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.

  • Modifies Internet Explorer settings 1 TTPs 27 IoCs
  • Modifies registry class 42 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8ad751aa4eec7e08698f5e63240a2f35.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8ad751aa4eec7e08698f5e63240a2f35.exe"
    1⤵
    • Loads dropped DLL
    • Installs/modifies Browser Helper Object
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:5924
    • C:\Program Files (x86)\internet explorer\iexplore.exe
      "C:\Program Files (x86)\internet explorer\iexplore.exe" http://
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3144
      • C:\Program Files\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files\Internet Explorer\IEXPLORE.EXE" http://
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:5788
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:5788 CREDAT:17410 /prefetch:2
          4⤵
          • System Location Discovery: System Language Discovery
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:4696
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Windows\system32\del32.bat
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4716

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_363582827213C09529A76F35FB615187

    Filesize

    471B

    MD5

    0c5ef9158dcdd3b41a7e84c5e760b59d

    SHA1

    9cb930588b30e4399d0fbf73a559b2d89373a6a9

    SHA256

    95c2b916d5668f7823fc9222d4cac008570c4f1866a3ef2b4175cb1ea5bbd9d9

    SHA512

    13cf19b192d4b6365ab09e13b5ffc6c26470ff51527d8e49fad7aa410df5a7bc6557e731d5b49fa7c19cd9b677764422d2f57c10d2578cdfdf91cd1120db9c4e

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_363582827213C09529A76F35FB615187

    Filesize

    412B

    MD5

    a67f5c0f466c1133a4db322894bc70ad

    SHA1

    ac748e8ae942716c73b2df7dee7ece22a1019f3c

    SHA256

    8a7842a0f297d1ba8f44aff170182861fbd02c3141d6ebe2c9f8ed2a2ac41cde

    SHA512

    578407ad329a68973da3a4b576dcb5a73c6ffdd3d049084f81606dd6d09dc2c63d9eadf7f984bbd41bdd89db86bc9a2c3002a0c184970b472a11aaa8f0743e30

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\7P8EHEOE\suggestions[1].en-US

    Filesize

    17KB

    MD5

    5a34cb996293fde2cb7a4ac89587393a

    SHA1

    3c96c993500690d1a77873cd62bc639b3a10653f

    SHA256

    c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

    SHA512

    e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

  • C:\Windows\SysWOW64\del32.bat

    Filesize

    174B

    MD5

    b69fe5fa220d7b3cc04a493615a4bdc3

    SHA1

    d0f3df7a4cbeba8ddbde30f55865d7eb9bc89be0

    SHA256

    3c2cfb4ee0e522c4983027fa7305fc0846c26bc988c678188fe360ee685897d3

    SHA512

    1cb8dac2a9a112c0d73044346818f9ec929966a615b031f4d31ccda98c3d15484388779b7be71fa379e2f01d637f54a461782afd166bc3cee48a9446e365f1d3

  • C:\Windows\SysWOW64\wsock32.sys

    Filesize

    159KB

    MD5

    e542cc1875d57544eb2382faf41573b1

    SHA1

    e23d5915349d5772f23180dfa2c2cac2c0b8d14e

    SHA256

    0a907a6bb00f24dffa890786c2b0ac06bfb09a9bd79294c1181957108ba828ac

    SHA512

    5c59a3532e6fe273e954a5161cc095be463377426cb4c6f948d566f833ba7558b437742fa5ee261f7dd31c611ce2bc8092df6ad04f1dc50ed4d0118c75f59468