Analysis

  • max time kernel
    93s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/07/2024, 01:39

General

  • Target

    4c48c15cae6c9409729e8620d5fa835d_JaffaCakes118.exe

  • Size

    313KB

  • MD5

    4c48c15cae6c9409729e8620d5fa835d

  • SHA1

    6269f6b8c0dedee3c5b1a7ca65b390a9aa566466

  • SHA256

    922690bae645c73e61782b728480d61efeb8bcac722d631ae95413219fc07f04

  • SHA512

    2716ad78ad8442f23f0a889eb327a9410e2e08b2c0ba207b8518ef0a8f68daf25af3b0537cc222830cc99d74bf3617fb49748270ea253f5f20660b68cf14dd63

  • SSDEEP

    6144:91OgDPdkBAFZWjadD4s9swq9Tw2hPY1ijialDzH4B/E:91OgLdaQCPPTmqe8

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\4c48c15cae6c9409729e8620d5fa835d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\4c48c15cae6c9409729e8620d5fa835d_JaffaCakes118.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:532
    • C:\Users\Admin\AppData\Local\Temp\7zS9BA4.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:2024

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\Bcool\uninstall.exe

    Filesize

    46KB

    MD5

    2628f4240552cc3b2ba04ee51078ae0c

    SHA1

    5b0cca662149240d1fd4354beac1338e97e334ea

    SHA256

    03c965d0bd9827a978ef4080139533573aa800c9803599c0ce91da48506ad8f6

    SHA512

    6ecfcc97126373e82f1edab47020979d7706fc2be39ca792e8f30595133cd762cd4a65a246bee9180713e40e61efa373ecfb5eb72501ee18b38f13e32e61793b

  • C:\Users\Admin\AppData\Local\Temp\7zS9BA4.tmp\[email protected]\chrome.manifest

    Filesize

    114B

    MD5

    8dd2ec16f9bb0e0b956e93204cecb0be

    SHA1

    bd566ad2ce88119b3c98b9cf69f34970c3283d8d

    SHA256

    769c09449f590ca093c9bdfcaf822375faa7098a7d25cb5e84f9be7090885ece

    SHA512

    45543c7b129b11b8a56af2d79cc732b8d47d7c90ead64ccc41667a4213a41e99e64eebcdfb9938efac9f4feccbd095215eada00eb6d1cd244824532b554d9025

  • C:\Users\Admin\AppData\Local\Temp\7zS9BA4.tmp\[email protected]\content\indexeddb.js

    Filesize

    1KB

    MD5

    fca30dd0458b989c26fd413b79053150

    SHA1

    4ed27a986089f03056ea8006eb8294cc99768f55

    SHA256

    00ff3d3c90056e418a48c21cc966eccd80e5657703f4313bd4d2f072053d44e5

    SHA512

    44e15d0dc648be671ad829a988ef5cc8ef0dfa08eac9983edee7c2f6de69867134d1bbffcb72c84e7f9218b0830ca0fe89e4959953d24f3ba820af1f0754bb24

  • C:\Users\Admin\AppData\Local\Temp\7zS9BA4.tmp\[email protected]\content\jquery.js

    Filesize

    91KB

    MD5

    4bab8348a52d17428f684ad1ec3a427e

    SHA1

    56c912a8c8561070aee7b9808c5f3b2abec40063

    SHA256

    3739b485ac39b157caa066b883e4d9d3f74c50beff0b86cd8a24ce407b179a23

    SHA512

    a693069c66d8316d73a3c01ed9e6a4553c9b92d98b294f0e170cc9f9f5502c814255f5f92b93aeb07e0d6fe4613f9a1d511e1bfd965634f04e6cf18f191a7480

  • C:\Users\Admin\AppData\Local\Temp\7zS9BA4.tmp\[email protected]\content\jsext.js

    Filesize

    6KB

    MD5

    195d51046a5229d1717fca244b2947fb

    SHA1

    a833323509eda02afc60cf5cbce0660c8421e8fd

    SHA256

    5cdf5e20a3f0459369c4dbcd176ff1bc7f1b69213cd800c631d6f5bdc754fa06

    SHA512

    c220d59017fcece9769bb4313483813953e977c947f483894428adbbfde42e21f33f72a8fd1dd7ad2ce72e355a0a803a2f1ae81795916968685e3d50c38ab423

  • C:\Users\Admin\AppData\Local\Temp\7zS9BA4.tmp\[email protected]\content\lsdb.js

    Filesize

    1KB

    MD5

    42c5f39e4d066b43deda046f39627ff2

    SHA1

    3c2574d41b606d02db208b9c3bff278f48f73c9d

    SHA256

    69ec13b093ac0c872c418c7d076d54b57aa64111633886cbc2d18564d8437649

    SHA512

    34c0283f29e32716c87968d91801215fdd24587c6281b3c7bbcb361fc8b2c3bb6ad07428cf68d8de41e1168e025a0b3d98439e1a4ce46b22845d6a982b85ecee

  • C:\Users\Admin\AppData\Local\Temp\7zS9BA4.tmp\[email protected]\content\prfdb.js

    Filesize

    1KB

    MD5

    51abd3336b4263b7da37a1c51845eb71

    SHA1

    75bcfbad6016b4238f48b171a6bf62c8bbae487a

    SHA256

    d2cb0835d5fc1242e8f3466b69ce07256f950cf4aa63e32e343527944bb97c19

    SHA512

    57bbf80e33ff2c5227603dfab099b1bef72d31f9dd8404793cdcd39d6fb3bbbc30b4de63a454986613ece2575bffda0bccb26e600d7caf485f235426d6f5cd89

  • C:\Users\Admin\AppData\Local\Temp\7zS9BA4.tmp\[email protected]\content\sqlite.js

    Filesize

    1KB

    MD5

    39ad7fc533563d15e901d7db67c4164c

    SHA1

    67ed42fe212dc0a47f26ffca451a425c44634b70

    SHA256

    d527698325c20df78be8c589e2661b8dd65dca02bb26526e627f374cf51262a6

    SHA512

    f09fc78ec5e5c5ea400e60ddd5aa608fe5874f773293a139d4f482879058179474ad597e9324fe0429d74b1f61806c16be084fecef6e7f782d47fce48ce78639

  • C:\Users\Admin\AppData\Local\Temp\7zS9BA4.tmp\[email protected]\content\wx.xul

    Filesize

    228B

    MD5

    069f2795d9368c010e8b02de59bf4b3d

    SHA1

    b4a9a5d6109cc6533f8aa0bf7d8d825c6b56da56

    SHA256

    a290e1ee7b27cf25ac24953554c945ebe728a1c73a3043d17d01ac8798381370

    SHA512

    6b37478cf1a05ff853896bab90c4503c5659176912a41f3764320ce03256f63dfe94636e0ef3290a3856e3c48e51b4de592b0bfd569cf19582504858d797eada

  • C:\Users\Admin\AppData\Local\Temp\7zS9BA4.tmp\[email protected]\install.rdf

    Filesize

    668B

    MD5

    807f7ec7ef3d9deb64ba00715dcd74dd

    SHA1

    5dfccd859ef34effe38fbdcc3cd513fef6193ca5

    SHA256

    3eb13e4175cb2b1e6abfb8b32bb849b610aff45df72798ad1fc83bb36427cbc6

    SHA512

    a1164f85215c3e59f0adb033c9f070d89bfa86aa73b194b44b4735dc24047f3fc5946ae54401d691e9d71906de183ffbf9ac671d809f63cbd465ae9f20996cc4

  • C:\Users\Admin\AppData\Local\Temp\7zS9BA4.tmp\adhcegppmdafohigpmfjmpahibeoacjc.crx

    Filesize

    37KB

    MD5

    dcd8899830226e07e5a3b3de99f36161

    SHA1

    0bf9c62f4455362f1996517e9c2fdb49f31e47a9

    SHA256

    5cf27a2aeb3fae92db92aabc056a2f734d5034423697b4b73e7f49c21581bbf4

    SHA512

    1e9332a06b64d6e0d2742628d31dc2ceef6041819fd1a08c308c13b542a5676cfab403fd65233dcfe7491dbc6a83527f70a30f681d5a3daa78d1cda7301164cc

  • C:\Users\Admin\AppData\Local\Temp\7zS9BA4.tmp\background.html

    Filesize

    4KB

    MD5

    6ef5618d9e725b14cbe5d6de471df5a9

    SHA1

    4c2098fcf596161e22ef70b941ad41d279dd7443

    SHA256

    bf115b0a3461882cb0084784507dcc8056a8700a5657f6fc2053a665818d85b9

    SHA512

    6439cb3bdf21d7841062879ce302429ea49cf5867c302f50ea2aabcdb1a7b92c730319b1c29e347172867d8ae48e18f5bf3852edeeb8d82abf00a9b7096b8f77

  • C:\Users\Admin\AppData\Local\Temp\7zS9BA4.tmp\bhoclass.dll

    Filesize

    137KB

    MD5

    ac13c733379328f86568f6e514c2f7f8

    SHA1

    338901240fedcef4e3892fd4c723c89154f4de05

    SHA256

    7bf09b5c2a9b6348227199c1b3951b57907ca6a5c215a04ad8d5e43232f5b562

    SHA512

    35f69a82694a2ea4268a3dde7940af6bd1c87a32d93a72723464f90e4e818805be9e80872469d1cc29150a9aac872fc78613a584baa1327dfa8478c2de5672c4

  • C:\Users\Admin\AppData\Local\Temp\7zS9BA4.tmp\content.js

    Filesize

    386B

    MD5

    514523bcafe2381176c811a98083301c

    SHA1

    e2b8b8bf07cc5331f89495fcf12ce49887d0e14e

    SHA256

    c82eee1ed3e31122903f43fdc24bdeb10b66cbc88d29508491a09724174a351a

    SHA512

    84da9ea0158ff11ee9933ad3cdee2d77864affdd2fe4513d2e59e873b587aa4e3c0131793b6ab399e3a76421946d744f7a89d1f70e08b8b3e0e9add3fa481db6

  • C:\Users\Admin\AppData\Local\Temp\7zS9BA4.tmp\settings.ini

    Filesize

    592B

    MD5

    40ab24fa9e14f3d85566d0112ebf8bfd

    SHA1

    b2a509d6c066313d33f8599028fc509bff12f309

    SHA256

    fe45c858a53bdac158ab5b4d5821371e217e7a875790b5bd8bd09c5e30298357

    SHA512

    1bb084e8df1b244059dc8892973df1f835f689d94f19b628574fe09f55ac4153565f969e0607a971af54bdb26b244cd09720b41be9b39b2976a38c7bbd17b820

  • C:\Users\Admin\AppData\Local\Temp\7zS9BA4.tmp\setup.exe

    Filesize

    61KB

    MD5

    201d2311011ffdf6c762fd46cdeb52ab

    SHA1

    65c474ca42a337745e288be0e21f43ceaafd5efe

    SHA256

    15c0e4fd6091cda70fa308ea5ee956996f6eb23d24e44700bd5c74bf111cf2aa

    SHA512

    235d70114f391d9e7a319d94bdfc49665d147723379de7487ef76cfc968f7faa3191153b32ba1ab466caeeeeef4852381529a168c3acca9a8d5a26dfe0436f6b