Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240730-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-08-2024 21:09

General

  • Target

    81c54233209b1c217325ee2679057083_JaffaCakes118.exe

  • Size

    315KB

  • MD5

    81c54233209b1c217325ee2679057083

  • SHA1

    f5c9569d4050b8ecb6f42e7508401373af4f8855

  • SHA256

    858aa102451bc135144ce1f5cfa0640d843894db33a9aacb98105df0deae4c3d

  • SHA512

    bf1f328e4b4f41acecae065539c3c94abc2ee9b3a733499836027651a7d9eb8e0ac7ee9d0306ce28cb89ec1793c34857df015cbd08129351f2b2928f742e49f0

  • SSDEEP

    6144:91OgDPdkBAFZWjadD4sGMCBlwxQA2U5c5vCUb31oNESRXIk2/nIKukyv5hYpB:91OgLdaNrBlwxQAd5cdbb3wESqXFu3mB

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).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • 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\81c54233209b1c217325ee2679057083_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\81c54233209b1c217325ee2679057083_JaffaCakes118.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4284
    • C:\Users\Admin\AppData\Local\Temp\7zS9D98.tmp\setup.exe
      .\setup.exe /s
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Installs/modifies Browser Helper Object
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • System policy modification
      PID:4896

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\DownloadnSave\uninstall.exe

    Filesize

    46KB

    MD5

    2628f4240552cc3b2ba04ee51078ae0c

    SHA1

    5b0cca662149240d1fd4354beac1338e97e334ea

    SHA256

    03c965d0bd9827a978ef4080139533573aa800c9803599c0ce91da48506ad8f6

    SHA512

    6ecfcc97126373e82f1edab47020979d7706fc2be39ca792e8f30595133cd762cd4a65a246bee9180713e40e61efa373ecfb5eb72501ee18b38f13e32e61793b

  • C:\Users\Admin\AppData\Local\Temp\7zS9D98.tmp\[email protected]\chrome.manifest

    Filesize

    114B

    MD5

    3abed789ecf8a990133ca7529858f09a

    SHA1

    1044e0ae80b7038edb85c9fd398c573fe92a78b0

    SHA256

    288b2873d8b4faaa0cb0af41442150fe99dd4f12342cc32a5431d3bce6e574c5

    SHA512

    3cb871412ec57205ed30a7d8c58937c6c29cf42c2cf3a19618a37a6bec38ce0aff30ba40e56d0655d5df0ef104d69ce332b7da1f39c2505d2fdc41e76d8e7fba

  • C:\Users\Admin\AppData\Local\Temp\7zS9D98.tmp\[email protected]\content\indexeddb.js

    Filesize

    1KB

    MD5

    af8299cd129b5e90ea7ddf8252420638

    SHA1

    4df9f4a4a874fa0e6a0431edd8431b0ce4a6c2cd

    SHA256

    ea149647a66af20b357fd2257df2a3e770b4372475d1611d27738b82f7449e6f

    SHA512

    104a7797d15c0177205f6337d9f0f2b792a68ff727496391b7f8bced0fa934915cc162c12d9d4fe200b7cd0f29d48de5f156241cec836f4f3f5eda5a0195ccfc

  • C:\Users\Admin\AppData\Local\Temp\7zS9D98.tmp\[email protected]\content\jquery.js

    Filesize

    91KB

    MD5

    4bab8348a52d17428f684ad1ec3a427e

    SHA1

    56c912a8c8561070aee7b9808c5f3b2abec40063

    SHA256

    3739b485ac39b157caa066b883e4d9d3f74c50beff0b86cd8a24ce407b179a23

    SHA512

    a693069c66d8316d73a3c01ed9e6a4553c9b92d98b294f0e170cc9f9f5502c814255f5f92b93aeb07e0d6fe4613f9a1d511e1bfd965634f04e6cf18f191a7480

  • C:\Users\Admin\AppData\Local\Temp\7zS9D98.tmp\[email protected]\content\jsext.js

    Filesize

    6KB

    MD5

    6b3c9a9d89500dea33d3a5875e665f06

    SHA1

    8b59e630f4352ee51d29a13baced156c11c6af50

    SHA256

    62dd390e64803b32824491f32158e5fd319651ca3161ae14c80400ac69daeec2

    SHA512

    f7c2d2d85da42a62a431afbfd8d381fa037309b5b84dcea3cc219035b3c71e46befdbfd3cbd52c869976ae7d738cea962e91e75793f7ada97a55e59d510304d4

  • C:\Users\Admin\AppData\Local\Temp\7zS9D98.tmp\[email protected]\content\lsdb.js

    Filesize

    1KB

    MD5

    882f07b983ec0c604c832da35318575b

    SHA1

    279beebfb8aa99e7c703d350d1a82de2aad9f664

    SHA256

    d79c3fbf975f24b5ccf168108b8ae2746bfcd0092eb93b462f34ea0e0667046a

    SHA512

    e632e0046ca30504c8e013277c73d7296a1f89eaa7e07217c455e4217a4dd514ea924961470c0b41f71af661fe05f8341436364bd81aae494759bca18d2dd801

  • C:\Users\Admin\AppData\Local\Temp\7zS9D98.tmp\[email protected]\content\prfdb.js

    Filesize

    1KB

    MD5

    644b6e24a77e92062d9d087d551291b5

    SHA1

    2889d762bcd7a909afa94800973858581ffcda31

    SHA256

    a8b985e4e9923652c55b07743fad08ea5ebb60d1bf5c9a40ecb4f4d7c76ab07c

    SHA512

    632c251edb09178b153abaad2f604f3d451d2deda86a691dcaf36627df34c93a00e79a16aa77d85974f640f87dab6b3da5e665fa337416f54dbd0739b671d506

  • C:\Users\Admin\AppData\Local\Temp\7zS9D98.tmp\[email protected]\content\sqlite.js

    Filesize

    1KB

    MD5

    ec421ad2cdffc7f8fab5b245b52a78bf

    SHA1

    96a7bc234a076b912ea847a83e1eff16d48c6dbb

    SHA256

    caf56176c9066192c08cc1b1a10d9f8ebadde8b56c299f3552a76b392fcd4726

    SHA512

    edd019c509785458bf72a95de46a3554ff341526300a8933d4b7af21843383b8a8a0fa7e23b8943de36479987b7a6ffcf03f4531c38644f19182b2fb757d4492

  • C:\Users\Admin\AppData\Local\Temp\7zS9D98.tmp\[email protected]\content\wx.xul

    Filesize

    228B

    MD5

    0117b77c1c969d17c1d8b9f1d2fda2bc

    SHA1

    f0c81245eb38fd2a0d5dd87d3e3d260048851056

    SHA256

    8b4f69d27299ff54df82666ad2d1037fa247483bc54e9a5f1494a2a1d86e8b3e

    SHA512

    ddaf4e6fa2ed52fd76672d4277a020a0d379be8dcea33b24ac7949464efc9733591a8d8ea6f29a89f8b4dd0514f72d0343c04401019bb1f1eabf541899385c29

  • C:\Users\Admin\AppData\Local\Temp\7zS9D98.tmp\[email protected]\install.rdf

    Filesize

    683B

    MD5

    e58fd1619cc2f18375825b82f5216074

    SHA1

    b7fd46c3e1568220e923eb815939be1f32a236f8

    SHA256

    b565081542c93c7c720ba876fa69b8c9f81bb17ab9956d87050fadfb6398a7f5

    SHA512

    ca5756f86bcd38b7364efa8bc46db164e17abc0fbdd548c93ca0d01224f3f03781743eb22e6a0342f26199cd98502ec6843546ccdf8049d4c5066945f7657cd5

  • C:\Users\Admin\AppData\Local\Temp\7zS9D98.tmp\background.html

    Filesize

    5KB

    MD5

    b9ce2dcac9e4273d27e688163b152a50

    SHA1

    7519ed800e2efe11838ebf04d5751bb676732f96

    SHA256

    1983a7a07850436ffcf7b57d0daa38786f00c56721cd3797a6c6cbb37aafbefc

    SHA512

    718f1df3fcf0a38052cf32706c70a835381b945e0ec6de25d73af905e0df8504ebe9c77cd24e99848fff0db335e72ba896bc0a9717fa3b56324cd205072e1e93

  • C:\Users\Admin\AppData\Local\Temp\7zS9D98.tmp\bddhcmbkmddhdkihppbfpmolcimjapna.crx

    Filesize

    37KB

    MD5

    17ab8d92848f4a7b2c388c45dfa33ecc

    SHA1

    bec8dbd8f476af69978de622431eb3598e535340

    SHA256

    f1b61c40d9434cacea4d47638e46bf93c87dd777f0fc5b9b5b9eb564cc7a362c

    SHA512

    b3a8e34fb09ece16c9056991ba350cba1de0b9e7e3130c54ba56d174a080d0d910a0c3627ff9532ffc8d2ad06a66161cda51e56895fe661e144940aff175f653

  • C:\Users\Admin\AppData\Local\Temp\7zS9D98.tmp\bhoclass.dll

    Filesize

    139KB

    MD5

    4b35f6c1f932f52fa9901fbc47b432df

    SHA1

    8e842bf068b04f36475a3bf86c5ea6a9839bbb5e

    SHA256

    2b4d643a8a14f060bf3885f872b36e5e1fe1e777ad94783ba9593487c8e1f196

    SHA512

    8716b9a8e46933bf29348254a68d1a21392bdbbe3b4d5010e55fe638d02cc04eb685e424d440f7c5b58ffbca82e5772dd95bef73fa831595c2ae9599f3b05a99

  • C:\Users\Admin\AppData\Local\Temp\7zS9D98.tmp\content.js

    Filesize

    385B

    MD5

    7865595578729e7aeed61188896184e5

    SHA1

    a33fec2090d70b506d9ddc01e9d24f41a3bdf8a6

    SHA256

    987b77091195dbc08f59d256f3d04a39767cd197e59ff19f7e1739a14dcc44e8

    SHA512

    76cf9b364d79af8cd02dc936dab2de4a4411fa8a7b716b99a8dc71673b1d26ca18d56ed42ee8898a44186804e19391e9272cbf14f9400d6477005c07f20dc84e

  • C:\Users\Admin\AppData\Local\Temp\7zS9D98.tmp\settings.ini

    Filesize

    675B

    MD5

    2e5ea8e9c3bda907e70c24d53b19c8a8

    SHA1

    14f8de6761fe5a7666d3e256a6a50089d8d927fb

    SHA256

    58e911051fb6948c065546f0cb6babc5119da5021e49311b97f0817fb7629ad8

    SHA512

    3f24770097ccf1d36e7b9b608177030557e197c6849467cd934142ebfd16746ff3c966d8656c989f355a0a049c8b42d69e8fa25292c538ed9639a0fd0865d234

  • C:\Users\Admin\AppData\Local\Temp\7zS9D98.tmp\setup.exe

    Filesize

    61KB

    MD5

    201d2311011ffdf6c762fd46cdeb52ab

    SHA1

    65c474ca42a337745e288be0e21f43ceaafd5efe

    SHA256

    15c0e4fd6091cda70fa308ea5ee956996f6eb23d24e44700bd5c74bf111cf2aa

    SHA512

    235d70114f391d9e7a319d94bdfc49665d147723379de7487ef76cfc968f7faa3191153b32ba1ab466caeeeeef4852381529a168c3acca9a8d5a26dfe0436f6b