Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-07-2024 05:08

General

  • Target

    24bc095d85bbfe947df8db27b7648b0b_JaffaCakes118.exe

  • Size

    252KB

  • MD5

    24bc095d85bbfe947df8db27b7648b0b

  • SHA1

    1f841afe0d302a91fc11e089c8b06dd991db780b

  • SHA256

    95238a13c254a07d3002679e9c6c9454bd02e78f8f6fc0e1c17a4723a9dd9249

  • SHA512

    a720a700c946ee831d386eb71045222220a5020ad31c01b4a9deee483d59d4a25c025cb93a67d13b2aaf7b6be5c860d088fb5392a8968bbd82db3862cb2cdf33

  • SSDEEP

    6144:91OgDPdkBAFZWjadD4se2wY7bAkEWJecG:91OgLdax2T70kHJjG

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Checks installed software on the system 1 TTPs

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

  • Installs/modifies Browser Helper Object 2 TTPs 4 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • NSIS installer 4 IoCs
  • Modifies registry class 63 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\24bc095d85bbfe947df8db27b7648b0b_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\24bc095d85bbfe947df8db27b7648b0b_JaffaCakes118.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2308
    • C:\Users\Admin\AppData\Local\Temp\7zS3D18.tmp\setup.exe
      .\setup.exe /s
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Installs/modifies Browser Helper Object
      • Modifies registry class
      • System policy modification
      PID:1256

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\wxDfast\uninstall.exe

    Filesize

    46KB

    MD5

    8be20144dbd200c6de0c9430ed9280cf

    SHA1

    b81e3aacaaedd66ef0896acabc6983c94758e2b4

    SHA256

    634557ab79a29fe800721bc5f146a9b86799b72eb6755e821492f85ca66818a6

    SHA512

    fd7db954002be6332c8c6f4500fc38c1d5286022bb56f21b97567e837ee3d5a3c6db08cabcd2ffe405e7180918d6bb0b57b330703a9d045851901d01115ff94e

  • C:\Users\Admin\AppData\Local\Temp\7zS3D18.tmp\[email protected]\bootstrap.js

    Filesize

    2KB

    MD5

    b9165e81934c746e3a33afc6bde86143

    SHA1

    ce38f37d26d5fa6309f4d42cbf470bc4a884b100

    SHA256

    3edbe3448cc74e7862db06fb08a8250c044a6aadbbea35a365560080eaaa3624

    SHA512

    fab8731e561554bf3ac4a32950a4111d3bca7d9223727ed6eccca598777bd697606a11f658eae3d28f6dae16faf40fda7387d0e25cd8f3cb750c871f77178bc8

  • C:\Users\Admin\AppData\Local\Temp\7zS3D18.tmp\[email protected]\chrome.manifest

    Filesize

    116B

    MD5

    3c4ee09ae154714f3b4f68411f0b0c21

    SHA1

    449ea877982a4a5c3038d3f911c4a701d4d41936

    SHA256

    d1d495a4a9da8a44ba79a8c72d874ca324a5925de97db50ce6ded085b3941957

    SHA512

    4d2b03f0f93c3c2807f0aae177975dba3575f21be86f0310f8e6eee6e7e1d9ec7ddbad25423a3d47c38766d7e9a179d917ce17659cdbca576a0b4af65959ef1f

  • C:\Users\Admin\AppData\Local\Temp\7zS3D18.tmp\[email protected]\content\bg.js

    Filesize

    8KB

    MD5

    1674b0f3ba41ce0a24525a53ef4e7b09

    SHA1

    095c7ef4a59fe6336bfd7d98cad58fcfaed5dcc3

    SHA256

    4044dc09a625f3f385ab858485b0782621dbbf739055735f194dec4ce4522bc3

    SHA512

    109e16d9eb91da8fab54477e8e7e3b9ba58729210a04b95a59aa4066241c70f724906ba45599e5e46b1d670f0d281bb4061ee65f5d2612aa8e4d3f3ea2f63908

  • C:\Users\Admin\AppData\Local\Temp\7zS3D18.tmp\[email protected]\content\zy.xul

    Filesize

    225B

    MD5

    2a799312663cec7cf9b031124a8a84fb

    SHA1

    f5a8177a04e372f72c63319df75bb50d9d3aac34

    SHA256

    0e43278247884745ea407f96fd6ad4ac2f5506550d9cd8a7025e5c0f3c2e7944

    SHA512

    31a81cc5d36d6994eb3b187ee83a19aacaa7b0ad13b7901439cbb2ab7b4379aaef09ee5d19ab12a64db47c861c61ebf5cf39be51f2379c556eb27c9fa413d3a1

  • C:\Users\Admin\AppData\Local\Temp\7zS3D18.tmp\[email protected]\install.rdf

    Filesize

    714B

    MD5

    abf7a733158ad7d8d7a9ef3b88f7bf27

    SHA1

    350e6fbb9f4ed791c1b3c695b430510388a76c03

    SHA256

    61be80e1d9e08999697bf9514d6278efc09b51676e93bec96ea57b81b6e3df14

    SHA512

    6f81aac15510067720039e8dc4212c38e170d5ad1229761a098f5c2031cc797506ecc328c649b40533f4ffa2e3aa710a6c13cc840175586b0bf3e2b9651497ef

  • C:\Users\Admin\AppData\Local\Temp\7zS3D18.tmp\background.html

    Filesize

    4KB

    MD5

    fbc914428e292eb32e330784ec2be055

    SHA1

    923f466b5c022359356d4923c422f06c7d4fad6a

    SHA256

    89ec09138684d118a177090f83543b83cd7ebe15e80cf51de46ffe0c44037197

    SHA512

    5234e4c8c945bcdbb899513bda58c57651bd544342513292f29ec34fbf2706a955d7abc530a563826bef7531646ba4b0815ee5db83da26840be907dbd27edad6

  • C:\Users\Admin\AppData\Local\Temp\7zS3D18.tmp\bhoclass.dll

    Filesize

    139KB

    MD5

    4b35f6c1f932f52fa9901fbc47b432df

    SHA1

    8e842bf068b04f36475a3bf86c5ea6a9839bbb5e

    SHA256

    2b4d643a8a14f060bf3885f872b36e5e1fe1e777ad94783ba9593487c8e1f196

    SHA512

    8716b9a8e46933bf29348254a68d1a21392bdbbe3b4d5010e55fe638d02cc04eb685e424d440f7c5b58ffbca82e5772dd95bef73fa831595c2ae9599f3b05a99

  • C:\Users\Admin\AppData\Local\Temp\7zS3D18.tmp\content.js

    Filesize

    385B

    MD5

    2f37c5103d46140bfccbf6d2dbf54413

    SHA1

    407dfd56c1e1ddf4ac7d6776894631a070264947

    SHA256

    38940b0b4cf2751cef1d56ea5351e3237971a0a42db5daf16ed425e3fd9ff119

    SHA512

    b6d243e91135d2ae4addbf6823b844dcda47c0eae74284e4d01ffd2bcdded8b867c6f4dcb55db8296bbd8639585ab2ed5cd62e9525a93de894cfebfe85d2eb78

  • C:\Users\Admin\AppData\Local\Temp\7zS3D18.tmp\oppblbnaminegepclgolkgnkpaconnji.crx

    Filesize

    3KB

    MD5

    e5608961a45fbc8790982fb6eee52b2c

    SHA1

    548554f760b0304a6efcbac89c844db23b50f572

    SHA256

    8bde9381c6d51fc1781eed6d8b07dea9edc88d4786cdbe9ac2548b3cf7111ed6

    SHA512

    b35a5fffc5ede9a38602b3108ff58144d141d6330056355b4cbcf2603469fc8f28ca85bdfd2f2faf5caac683770ff11864846547b45656a97b9dd8f2f2face94

  • C:\Users\Admin\AppData\Local\Temp\7zS3D18.tmp\settings.ini

    Filesize

    656B

    MD5

    e703b68fa477d2de71d2d284516a3e09

    SHA1

    6fb66b7e7d8fc155000e1d538cf93baf2535448e

    SHA256

    fa60a8aa4ce867e83e541779800eeaf3c7eecab032f9079fe0bb573209341c64

    SHA512

    8490ce1927cf82bb1113bb19c28ae3bfcdb73eab8c471443a8d7bff082cab7daa3befca68907ad671e4f5e066057856107cccb45d686a81460ccf81eb9a81093

  • C:\Users\Admin\AppData\Local\Temp\7zS3D18.tmp\setup.exe

    Filesize

    61KB

    MD5

    16ef6e914973925977cdc5ef6b8b2565

    SHA1

    4815da2815975b33f5dc94d482e6dbc02588afa6

    SHA256

    6b9a2b64b90799f1d50458dc38fb4e9e13a8abb37210c8f5d9eeedae84c6912f

    SHA512

    c74f0e17878c4598b626edb5e75e7ee098b71c0c26454ba709e2ea438517670ce11abf7d909470e6c935a21d0413c0d14b29960af9bd6a423e3261789a35b059