Analysis

  • max time kernel
    93s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-07-2024 21:58

General

  • Target

    3adec73bf2724b4b3943727801238ee9_JaffaCakes118.exe

  • Size

    251KB

  • MD5

    3adec73bf2724b4b3943727801238ee9

  • SHA1

    c1e9817ec5cecd23299af07e831425bbdd205e17

  • SHA256

    67eeb3aa54da3d391f401f6ad0f1acaadfcc87f72f4481fae98901a29caf3779

  • SHA512

    4d4716f759d3c7c513ce5951b1b7fe35501eec148fd960243aaed64a08ae154fcf047de6285bad6f3a25fe893c25aacf32c22085dbc0283cf90bcb2f44120d22

  • SSDEEP

    6144:91OgDPdkBAFZWjadD4slNSwi1X9/4vkseXW1sejsU9ZXYQ:91OgLdaKQ1X9/CCewYP

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\3adec73bf2724b4b3943727801238ee9_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\3adec73bf2724b4b3943727801238ee9_JaffaCakes118.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1372
    • C:\Users\Admin\AppData\Local\Temp\7zS787C.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:3656

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\Bcool\uninstall.exe

    Filesize

    46KB

    MD5

    8be20144dbd200c6de0c9430ed9280cf

    SHA1

    b81e3aacaaedd66ef0896acabc6983c94758e2b4

    SHA256

    634557ab79a29fe800721bc5f146a9b86799b72eb6755e821492f85ca66818a6

    SHA512

    fd7db954002be6332c8c6f4500fc38c1d5286022bb56f21b97567e837ee3d5a3c6db08cabcd2ffe405e7180918d6bb0b57b330703a9d045851901d01115ff94e

  • C:\Users\Admin\AppData\Local\Temp\7zS787C.tmp\[email protected]\bootstrap.js

    Filesize

    2KB

    MD5

    1ea48e82d5c30d17b4f767d24d2b931b

    SHA1

    a66ee0461eec71405db0d55f8a99f65347cfa2d7

    SHA256

    e12cf6794432571425714261d2118728536cf283963cccf8f1f7439945acd19e

    SHA512

    1e098ebeead00045a2c42525b2874fb107096ced44f6240a22317957293ead172ec18da183db4cbe1fb02a7ea7e9e1dd37d01caba44830e8b9dbf52d99e56a96

  • C:\Users\Admin\AppData\Local\Temp\7zS787C.tmp\[email protected]\chrome.manifest

    Filesize

    116B

    MD5

    205c5cc64fb1f9d8b9eb621bc66f67ed

    SHA1

    f41ec55ada693d1354e4187356784788189c498a

    SHA256

    b233b9faf0217d9d5e66e256db9ee9c1bd1da04ed9cc1150caac480aacc29294

    SHA512

    d259c078f875991e8cab444fb18dce44eb632209fb3fea0b89ceb27d56c87f9b46986467575a826e3a5d1709765fa096972f37eb6f7ace2d222f3dc84b9dadc0

  • C:\Users\Admin\AppData\Local\Temp\7zS787C.tmp\[email protected]\content\bg.js

    Filesize

    8KB

    MD5

    069a32b5200c68a7fb56d775b0f91538

    SHA1

    986171a568318809128ee42b21249ee75bd14810

    SHA256

    67b2b045225cc4ccda128d852b0512ccd212c22aca9c096f67f285a9331b753a

    SHA512

    8f380a3b21034f94038a8447633a558cdfc7fcadfc91b923da26f1260a9ae2ff5aa2c81b0e165a6448d9f69341b4a4a4490516e8b3fc607de71d849b2bf0027b

  • C:\Users\Admin\AppData\Local\Temp\7zS787C.tmp\[email protected]\content\zy.xul

    Filesize

    225B

    MD5

    c9e9a6735d9abfac26522477f2f5ee17

    SHA1

    ce1821a191046737a02b2811c5322590ca61638a

    SHA256

    d5b8cc1a458c1dd37c691ed670f53bbc72adb2adb5ef0b369f00d3a4f1de5571

    SHA512

    939e921fe8e6c8ce9b1fc3c1502ab51b9db7205cdd50e2c11fdafcf78826f6cafe3b76742fcd91c046a97ca118c46121ab66b7df149ac91df3b9fe4407553de1

  • C:\Users\Admin\AppData\Local\Temp\7zS787C.tmp\[email protected]\install.rdf

    Filesize

    705B

    MD5

    c8fece48de41e4645c9374f5c4c5d24c

    SHA1

    366e9d66f8181921f0361349980d21625e14c53e

    SHA256

    796b240e6ff4d566884d0b23f57c53a2a130851a974e10a3ce33a8eb7dbb243f

    SHA512

    e68ab9501728abee161fa6db9af57a43965bd32dc9b6139427c2deb9810d38882a9fbc7caaac7866fabb06880c464cbd1a239741764ef02a004f8b315787c2c5

  • C:\Users\Admin\AppData\Local\Temp\7zS787C.tmp\background.html

    Filesize

    4KB

    MD5

    d33db8c570773bde2d7874a3902bc660

    SHA1

    d111a97da036aa94f8928d57bd496ccdf6ff6367

    SHA256

    8925e7e5a443c3e040a58144f76a65eb28199b028a47d257066b5f8672465a1d

    SHA512

    e7b3d4edd3e538c26cac27f05cef48141c3177f50b91bd715b8f698128d6abcad48b3fbb6ebe839e761477049b3c6c9552230ea0cd61b03ff10e2791a402a1df

  • C:\Users\Admin\AppData\Local\Temp\7zS787C.tmp\bhoclass.dll

    Filesize

    139KB

    MD5

    4b35f6c1f932f52fa9901fbc47b432df

    SHA1

    8e842bf068b04f36475a3bf86c5ea6a9839bbb5e

    SHA256

    2b4d643a8a14f060bf3885f872b36e5e1fe1e777ad94783ba9593487c8e1f196

    SHA512

    8716b9a8e46933bf29348254a68d1a21392bdbbe3b4d5010e55fe638d02cc04eb685e424d440f7c5b58ffbca82e5772dd95bef73fa831595c2ae9599f3b05a99

  • C:\Users\Admin\AppData\Local\Temp\7zS787C.tmp\content.js

    Filesize

    387B

    MD5

    8d7be65caa5f6daac8316048b0d2eac2

    SHA1

    b0727d5b71318a73859616d33031591e63181e2b

    SHA256

    8d055be6f408351be6097a4d30179907f5c37ec0b5413f73096c8fee25d408e4

    SHA512

    235bf789a4d5154cc24afcb71192585ce58d54ec00a5cba5983c4ac2f7641b91b6d68cac34c1c14d2a324c45ab977e5c510b8552f0a877bbb92add451a2c1461

  • C:\Users\Admin\AppData\Local\Temp\7zS787C.tmp\legcdmcpemfaloaapjeanocmghfjlodh.crx

    Filesize

    3KB

    MD5

    b90a0bfc503d020927940112ac7dfa0a

    SHA1

    bdf6689046994bc731b95a9ec3edf336063c1e70

    SHA256

    46d64fd6eb23181c16fba115f69b00d00495e86b3f48dd8782524afc420f641c

    SHA512

    23890d746bab8660970e92a411646766f010bc97e6e1d6ffa25b22190f9135cdc8181cf56fe5954184318ee33aae1e5b16e4a6aff766a97ce61d19056bf82ec0

  • C:\Users\Admin\AppData\Local\Temp\7zS787C.tmp\settings.ini

    Filesize

    650B

    MD5

    f5a77ca700ea56617648d1ca1e395a51

    SHA1

    364d1b240655d0963b568b14caf6500c12946433

    SHA256

    499f531f2ec4f98a7756db0b3671ffd1215321e53d50d7dfcfd987b935dc3cce

    SHA512

    cb2732201c6da7deb918bbade8e2e9f88d6be758469912ef3808cf0527046a0341255c6dfea525c8bacd5e2f9249d276da3a9893f3f9687409f806d5e7a16934

  • C:\Users\Admin\AppData\Local\Temp\7zS787C.tmp\setup.exe

    Filesize

    61KB

    MD5

    16ef6e914973925977cdc5ef6b8b2565

    SHA1

    4815da2815975b33f5dc94d482e6dbc02588afa6

    SHA256

    6b9a2b64b90799f1d50458dc38fb4e9e13a8abb37210c8f5d9eeedae84c6912f

    SHA512

    c74f0e17878c4598b626edb5e75e7ee098b71c0c26454ba709e2ea438517670ce11abf7d909470e6c935a21d0413c0d14b29960af9bd6a423e3261789a35b059