Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-08-2024 11:14

General

  • Target

    b33e75eee001379c213f4b9a80863791_JaffaCakes118.exe

  • Size

    1.8MB

  • MD5

    b33e75eee001379c213f4b9a80863791

  • SHA1

    b8e7e5be463293023b141ee13fd2a73c3c224731

  • SHA256

    c49f0320eeab8dd644ba344a2039b4de48a26ef77c05eb069721477f0cd182ba

  • SHA512

    dc6c532fbf796704c4e53d4db775b2e7b33a6189ce157878fbef558a19346ec0d95beb927a8232485f74847c05b80f58aca25658d9548e5ddc18b0d01cff64ee

  • SSDEEP

    49152:y0GAdYjF3hm9Y74R+rVuFhi9xj+wj2z4ThqYe:hdophmlR8LxjPRThDe

Malware Config

Signatures

  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 6 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 15 IoCs
  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in System32 directory 6 IoCs
  • Drops file in Program Files directory 15 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • NSIS installer 1 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 6 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b33e75eee001379c213f4b9a80863791_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\b33e75eee001379c213f4b9a80863791_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3276
    • C:\Users\Admin\AppData\Local\Temp\install_flash_player_active_x.exe
      "C:\Users\Admin\AppData\Local\Temp\install_flash_player_active_x.exe" /s
      2⤵
      • Boot or Logon Autostart Execution: Active Setup
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Modifies Internet Explorer settings
      • Modifies registry class
      PID:2796
    • C:\Program Files (x86)\blinkx Brasil\BlinkxBroadbandTV.exe
      "C:\Program Files (x86)\blinkx Brasil\BlinkxBroadbandTV.exe" /lang=brazil /logo=brasilbbtv /title=blinkx_Brasil
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Suspicious use of SetWindowsHookEx
      PID:3988

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files (x86)\blinkx Brasil\BlinkxBroadbandTV.exe

    Filesize

    350KB

    MD5

    bd2f6416721df0b07d02350359f9f669

    SHA1

    2292c9d37e8b2a8c4a4c6249363c22dcc739a573

    SHA256

    b41362bcbb5aed2fa09709964994075b9c59ac7d3dd926b1ee94c96dc61759e4

    SHA512

    2a044cfeaa79fb4f3fb624052bed3cd78033c59f044e38c80779ec138a2229ec0a260d021761df7121a00a266829aca6f5974da6d60cb6dfa77076de7647d6d2

  • C:\Program Files (x86)\blinkx Brasil\data\bbtvconfig.ini

    Filesize

    238B

    MD5

    ff241ee30c12d4f738ea693d05c10606

    SHA1

    694953a0ce81183d75f84407e6f57f71730ea6e9

    SHA256

    ea3e944f2ece17b40a73f40dbda8bca3227958ad1b1ac74761f6e13a6e310c0f

    SHA512

    fea25dd9385e60562a50056b744dbd1cc28036ddf43843d906ea33872bae3b6c58a67994a1da8c60d122e330d31026fabcff6e38a766b4de87006791c1bac29f

  • C:\Program Files (x86)\blinkx Brasil\data\bbtvconfig.ini

    Filesize

    302B

    MD5

    2860d6593b6deae83a20a63559942098

    SHA1

    56e0ee0a00972edff787cd6251a21dfb1de2b866

    SHA256

    247dfb03d3ea11d11fda887214d67da08e46be9929e9a3d18d392500cef460ce

    SHA512

    34028f61f0bc3ea8989f4457afb3d28408c9bb4d6cc15d2afff5ef8b71748f08f40b118c26d3fc621daaf682c2405200efd2e1f65bafbcd53aeb23fd93ba32fc

  • C:\Program Files (x86)\blinkx Brasil\data\bbtvconfig.ini

    Filesize

    330B

    MD5

    e6e5dac29caf04c9e332b0f2bb96b1e1

    SHA1

    e8e6ed69902727be81358e1be8284f6026d3bf18

    SHA256

    43355fe8b90c9f8bf24514d2f9f5f090b10434d46d7730d8be8f892b4f302442

    SHA512

    4c13439aebbefc8bf3481830ce1dad9d0402352477d194103445e0405030a48be2209e339158d8d752a514ae6391fcb7ad3fd695d1561210044984cf059f5021

  • C:\Program Files (x86)\blinkx Brasil\data\bbtvconfig.ini

    Filesize

    339B

    MD5

    aadd812992f22f0f3fd2e22b3d6be3c0

    SHA1

    0f1c23f29fcd11ccd3de105ba75a06db7e68e089

    SHA256

    c7752d4310b938a053e43996b197de25aa6fe1d2279d4294fc353024edb37c3f

    SHA512

    3f42e173618e9219278355995fe89062077e1e53196842b147ebfe2c4b3e2f8ec10db68942dd44a55a994c7885092b9116b97f0614519e1097ac7f2f0b497f19

  • C:\Program Files (x86)\blinkx Brasil\data\brasilbbtv.bmp

    Filesize

    357KB

    MD5

    9c27b71279f826ecb99daa45018e31b7

    SHA1

    f06c5513d4bb03f7c82c95b933b3de3262febe7e

    SHA256

    5eb3c565fa232b318e5a8981e3eb6d1690fbe9afd9545d6213156db5f72c0fbd

    SHA512

    7a501c15a9c8caf16da05e0ed5324827337557d16d44c4db353702b033565148f320899951bd7cdf473d5630516bb643113ce9dfb39f835e8871d50e56d1faba

  • C:\Program Files (x86)\blinkx Brasil\data\brazil.ini

    Filesize

    737B

    MD5

    c72fb83dfbbc6a6c725b3054b0cd6bae

    SHA1

    9bf31161614d8898882ac1311941831a1c8e5c2a

    SHA256

    656a4eddf489232a643753ed288151624b14b8f4ccf36af93dbc3a13576ba5d2

    SHA512

    4807377f25af9d8422fc4ba7a39af015234a088860242fc9a44ed88cec996b1c1c263b31cfb3f22466c842a3c5959f4155255395e555e8baff00d0677984dd5f

  • C:\Users\Admin\AppData\Local\Temp\install_flash_player_active_x.exe

    Filesize

    1.5MB

    MD5

    4c223aa3e559e2e88da3bb43f3604d20

    SHA1

    a6d0f099262e9e7b9289b8a7bdcfa550821584ef

    SHA256

    3896ac00208eebea9f62aacf09ccd7324fe86048bfbb20740b72c3874615878b

    SHA512

    5f0c9721ad857990ae6d9420080cee0d39df70a15e07520f59682cf1a137409923e3ab4e8c0f2c27b280cdb0ce936223adda167236131981aff35830beda69bc

  • C:\Users\Admin\AppData\Local\Temp\nskC6CB.tmp\NSISArray.dll

    Filesize

    17KB

    MD5

    2b8574f6a8f5de9042baa43c069d20ba

    SHA1

    07959da0c6b7715b51f70f1b0aea1f56ba7a4559

    SHA256

    38654eef0ee3715f4b1268f4b4176a6b487a0a9e53a27a4ec0b84550ea173564

    SHA512

    f034f71b6a18ee8024d40acd3c097d95c8fd8e128d75075cc452e71898c1c0322f21b54bd39ca72d053d7261ffbab0c5c1f820602d52fc85806513a6fe317e88

  • C:\Users\Admin\AppData\Local\Temp\nskC6CB.tmp\System.dll

    Filesize

    10KB

    MD5

    16ae54e23736352739d7ab156b1965ba

    SHA1

    14f8f04bed2d6adc07565d5c064f6931b128568f

    SHA256

    c11ffa087c6848f3870e6336d151f0ba6298c0e1e30ccddf2da25a06d36a61fc

    SHA512

    15dbfcdc5dc34cb20066120045e3250f8df9e50b91de043f2ada33ac0235907d98668e248828a7ed9c75e25dfb5103b7248867530ce73ee36f6a35c30b4afa9f

  • C:\Users\Admin\AppData\Local\Temp\nskC6CB.tmp\UserInfo.dll

    Filesize

    4KB

    MD5

    68d73a95c628836b67ea5a717d74b38c

    SHA1

    935372db4a66f9dfd6c938724197787688e141b0

    SHA256

    21a373c52aaecce52b41aebe6d0224f53760fc3e5c575e821175eee3a1f7f226

    SHA512

    0e804deab4e647213132add4173c1d2c554c628816f56e21e274a40e185d90254e29c8bfc6fbfdfea2a492d43d23c0bfa4b276252a3f5e1993ab80ff832c4914

  • C:\Users\Admin\AppData\Local\Temp\nskC6CB.tmp\fpinstall.dll

    Filesize

    8KB

    MD5

    071b6233c92f69ffa1c24243328c3b94

    SHA1

    bb583c00e87cdc65e6254c7148d37afc1bbb3095

    SHA256

    5f6c63cb0ba539d692c5461730f057d0ec6c60639d772fbdc3753c3c6e746c43

    SHA512

    7fc2db406350488ee86ccffe1e99a91e0f509ef0429063336bf6f96aab07127df352db77fe9d00ddc3aa2db7886dfbac08b6acf6a5c647859956111ca47c24f1

  • C:\Users\Admin\AppData\Local\Temp\nsyB595.tmp\AdvSplash.dll

    Filesize

    6KB

    MD5

    c152aaed8394cc372b720190af65f73a

    SHA1

    ac6c786c054193187d1fa63712538b5cd8219cb4

    SHA256

    db15e55dee9f7798e72a6947f3d6abe09fb6fbfc122b11ac7d425dc159cab50c

    SHA512

    0e3cf9be421ba729a0597f274b1fbdc4880a45af84d85ba215700e415ed195752a12f2ee68d510d2dca449e131c449e4783ab2c4ff870e0d33859c919bb9175e

  • C:\Users\Admin\AppData\Local\Temp\nsyB595.tmp\System.dll

    Filesize

    10KB

    MD5

    4fbb4a2cd711fc1fe84f3dc30c491dc9

    SHA1

    888e01ae6e64e7326f88df9a30587f699eab154a

    SHA256

    c3b05f4faf5e8903d5b4cb4a8ce4bbf2e8144725b98d8787d51c117b6efa9bc2

    SHA512

    92dcf99672a5935065df6492e27abb653679f1db6dcddfde87cd14260c94a870327826b23cc2f338381b3eb53d07c1a3867806f6ff94533db5195b895a856847

  • C:\Windows\SysWOW64\Macromed\Flash\Flash9e.ocx

    Filesize

    2.8MB

    MD5

    d3c50535c26190fead7785a03499c0ac

    SHA1

    6a72eea0f62b60d71cfb9da60cab6d178b1fb78f

    SHA256

    01ff419547aefb8e32715d3873540c058533ac6b0d301b1f98868aa6a17616a5

    SHA512

    55b299bcad2c7c7506f8eef0aceaf8764aa0e19e9907ff79b7e3f108d81a5d6566211dc6e9cbd29d7f1bef8f5daad9bb888ec345aa21899ab28b45394dbc21f3

  • memory/3988-96-0x0000000000400000-0x0000000000502000-memory.dmp

    Filesize

    1.0MB

  • memory/3988-170-0x0000000000400000-0x0000000000502000-memory.dmp

    Filesize

    1.0MB

  • memory/3988-171-0x0000000000400000-0x0000000000502000-memory.dmp

    Filesize

    1.0MB