Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    23/07/2024, 10:08

General

  • Target

    67256775910b009d4e7c08240ebb044d_JaffaCakes118.exe

  • Size

    251KB

  • MD5

    67256775910b009d4e7c08240ebb044d

  • SHA1

    0ff830d0b164bfc42c0c446a73b4d0b560fed24f

  • SHA256

    7bdb417a0d3ebe6917b4a6cb90d052a11b49fee750e44d57bc4dd51bd8cf1146

  • SHA512

    5661fe8531ef5e013b6b875cac795e216856e831b49731900f83eeedb6863c3792c0d03e4a5496cc9fd1929a02940485c6683c6347e2631fc53e5800f66cdb74

  • SSDEEP

    6144:91OgDPdkBAFZWjadD4sGZKY9m8b0GZuiljYE2NrN61h:91OgLdadK2m84quilkl6z

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 6 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 7 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\67256775910b009d4e7c08240ebb044d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\67256775910b009d4e7c08240ebb044d_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2416
    • C:\Users\Admin\AppData\Local\Temp\7zS902F.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:2112

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\ProgramData\wxDfast\uninstall.exe

          Filesize

          46KB

          MD5

          8be20144dbd200c6de0c9430ed9280cf

          SHA1

          b81e3aacaaedd66ef0896acabc6983c94758e2b4

          SHA256

          634557ab79a29fe800721bc5f146a9b86799b72eb6755e821492f85ca66818a6

          SHA512

          fd7db954002be6332c8c6f4500fc38c1d5286022bb56f21b97567e837ee3d5a3c6db08cabcd2ffe405e7180918d6bb0b57b330703a9d045851901d01115ff94e

        • C:\Users\Admin\AppData\Local\Temp\7zS902F.tmp\[email protected]\bootstrap.js

          Filesize

          2KB

          MD5

          b9165e81934c746e3a33afc6bde86143

          SHA1

          ce38f37d26d5fa6309f4d42cbf470bc4a884b100

          SHA256

          3edbe3448cc74e7862db06fb08a8250c044a6aadbbea35a365560080eaaa3624

          SHA512

          fab8731e561554bf3ac4a32950a4111d3bca7d9223727ed6eccca598777bd697606a11f658eae3d28f6dae16faf40fda7387d0e25cd8f3cb750c871f77178bc8

        • C:\Users\Admin\AppData\Local\Temp\7zS902F.tmp\[email protected]\chrome.manifest

          Filesize

          116B

          MD5

          5f7309c16e34b2e5df03602557c99d49

          SHA1

          d5dc31f7159e62c9ffc5807b3a19abb652206c18

          SHA256

          b90231cbe5b7b2d932164105871c7eb4482c0403f299397f740e56dad8be0ad8

          SHA512

          71a22059f407c9dd5ee41ec098239ae8c37e849cd64883aa0adcca94ca7a4bd0ede46739ed1ec1a1fbd81dcea146d6fd5f3247e90434a8fa4694201d08eb9e5c

        • C:\Users\Admin\AppData\Local\Temp\7zS902F.tmp\[email protected]\content\bg.js

          Filesize

          8KB

          MD5

          db557e575880afe1bfac30eba82d56bc

          SHA1

          ba43bc37b199429fdd16d5c06d94eb3852c17aad

          SHA256

          57c60234a1c422d1403e5f799d021d7f1854b97c02dc0f52f67d64a9c8441d90

          SHA512

          0b7825c3c4fca3e8072d2096ce9a484914dfbac3662905d064ae6d0f9cb806b2921fb464bba77bf6ca5eb47d4603d66ce63ca0912786cebf65fe93bbd2bb09ac

        • C:\Users\Admin\AppData\Local\Temp\7zS902F.tmp\[email protected]\content\zy.xul

          Filesize

          225B

          MD5

          5f9ae555ef1719d0b5ecdc7793bb193c

          SHA1

          6fe27ccd2a8c7b4758b830df3f81f390a9815f9c

          SHA256

          f7d184951418d49cf8ed80998456327d7dc5eaeeaffa03ebc2fed965bd54a789

          SHA512

          aec12b539f0ca47acbb591764373592e5bb9856a62111c857875b27551ea305136ff685fa2114bd4ccf1cd8580b1e423b14d2645abf260922c07488b91999969

        • C:\Users\Admin\AppData\Local\Temp\7zS902F.tmp\[email protected]\install.rdf

          Filesize

          714B

          MD5

          0815f84a36517e911e4949108731b796

          SHA1

          b8bea4f37f01d720502681d96c3cddca0b8a3e0d

          SHA256

          6644e002eed2d934474ce5b30d70832a69d740d25c4117ab211dd8c7b7844992

          SHA512

          cb2480e60fb8bcc123f60aaab0b09242bdcb92d6382aa499feff131074fa7aa71f48d37ec5445b1cb032c02f9c0bd071015d82d0dbe8fcc0a014dcb6a4eeeaf8

        • C:\Users\Admin\AppData\Local\Temp\7zS902F.tmp\background.html

          Filesize

          4KB

          MD5

          80ca46937b423eade35c6b0e7a8db0dc

          SHA1

          4d8177043f7d4bf8a8e60b7cae9fc2e63c0fe317

          SHA256

          8a72b45ad4ad39e5086d1eec1adc0c0d9460e0184f9c4fe2a7e2213f1be8908c

          SHA512

          117bed16a6a81e76103619450cfd42306d52c9ad9e5ed67564bcb2d776f8b467cffa5528b300bdb6672988b096847649364425febbaccdd254697a5f844f5414

        • C:\Users\Admin\AppData\Local\Temp\7zS902F.tmp\bhoclass.dll

          Filesize

          139KB

          MD5

          4b35f6c1f932f52fa9901fbc47b432df

          SHA1

          8e842bf068b04f36475a3bf86c5ea6a9839bbb5e

          SHA256

          2b4d643a8a14f060bf3885f872b36e5e1fe1e777ad94783ba9593487c8e1f196

          SHA512

          8716b9a8e46933bf29348254a68d1a21392bdbbe3b4d5010e55fe638d02cc04eb685e424d440f7c5b58ffbca82e5772dd95bef73fa831595c2ae9599f3b05a99

        • C:\Users\Admin\AppData\Local\Temp\7zS902F.tmp\content.js

          Filesize

          386B

          MD5

          58c59986a31e524ac842f0c152caac7b

          SHA1

          913550f354845da9eaed2597339b8eae8cce6a0a

          SHA256

          7a9aa938d25b76ea77793af71f4e8940456c563836245a1727c64a64db9e290d

          SHA512

          21bcc7b2edb00f6f0cf32b7b695449d8c3943ff6561e6f09a3a74c71d5214ff18f389bba68847bb18c93f0a1a7cff3a51d22dff605888a5e58907f4fa065e9f5

        • C:\Users\Admin\AppData\Local\Temp\7zS902F.tmp\hcjlhdhdniphalcjmmlllfoaifknmiam.crx

          Filesize

          3KB

          MD5

          1451f56bd0566fa0f78bbb8a4d388aa7

          SHA1

          06f886bd96ac703bed448b3d30561414543256c2

          SHA256

          99edabacb46deb9420a0c5841e8011c02062e8e5581948db3599dec352102720

          SHA512

          cd7eb4d95b67686fb56662a7da8724e75b00a1c48bd5d1f57f931badd2406db0e0555e64c846d564318ffcc927bdff3be6be36b33481e5f95757b29498ebd367

        • C:\Users\Admin\AppData\Local\Temp\7zS902F.tmp\settings.ini

          Filesize

          656B

          MD5

          2cd8d0adfe5596c6db752fc0e89be067

          SHA1

          59cd970ccabba32996a1959257f1721b8aee1edb

          SHA256

          ff53878ee581eb9500e17f9df0b20d90a85ca33ddb2c3d4a2589c0997a4cd72f

          SHA512

          f46543978d557a1378fdd61ea574bd77020bd6a9556f1d6d0360174700f9383b7a586a55fc7cba5e401d4dd6d478f12ce9b83012f21f125b1061d91fbb78faf6

        • \Users\Admin\AppData\Local\Temp\7zS902F.tmp\setup.exe

          Filesize

          61KB

          MD5

          16ef6e914973925977cdc5ef6b8b2565

          SHA1

          4815da2815975b33f5dc94d482e6dbc02588afa6

          SHA256

          6b9a2b64b90799f1d50458dc38fb4e9e13a8abb37210c8f5d9eeedae84c6912f

          SHA512

          c74f0e17878c4598b626edb5e75e7ee098b71c0c26454ba709e2ea438517670ce11abf7d909470e6c935a21d0413c0d14b29960af9bd6a423e3261789a35b059