Analysis

  • max time kernel
    16s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    21/10/2024, 13:44

General

  • Target

    66e4b33d9cb35615f88deb67464c6e9d_JaffaCakes118.exe

  • Size

    1.1MB

  • MD5

    66e4b33d9cb35615f88deb67464c6e9d

  • SHA1

    6399d62670f65fc3337c0007cf4045a06ddee75b

  • SHA256

    7949692a3a3d59fd92ba8d014df94b4715a189a81b4b9add42fe133fe788cee2

  • SHA512

    af8f13cae30cdfb147bf72706295552e8b58fbaf2f3f38f3cc524749ec0b3315f74480a69a9e64ca0c01f6d509c3d273fc8ef8e20a4db5c230ded00fc3f6baaa

  • SSDEEP

    24576:6xllVmuE1S4KSi8s0PtnsUtBZizB2FrRxzwkcjcfGK9iKPp:6xJ+1TKss7zHj/K9iKPp

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 3 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.

  • Drops Chrome extension 1 IoCs
  • Installs/modifies Browser Helper Object 2 TTPs 4 IoCs

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

  • 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.

  • Modifies Internet Explorer settings 1 TTPs 4 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\66e4b33d9cb35615f88deb67464c6e9d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\66e4b33d9cb35615f88deb67464c6e9d_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2540
    • C:\Users\Admin\AppData\Local\Temp\00294823\PUas.exe
      "C:\Users\Admin\AppData\Local\Temp/00294823/PUas.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops Chrome extension
      • Installs/modifies Browser Helper Object
      • System Location Discovery: System Language Discovery
      • Modifies Internet Explorer settings
      • Modifies registry class
      • System policy modification
      PID:2732

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\00294823\CvK.dll

          Filesize

          258KB

          MD5

          e1d10cccd5dde588af8ee2cb7309523c

          SHA1

          0b9e805077320b0ce1e6620488bd34f1c4d7827e

          SHA256

          9900e517bfd4b39bd7af4bb360af52f6c95ef9b3e7ef36d2633485c58bef9a1a

          SHA512

          a929eaae12f5cb28e224fc31298af2808f995c5a06bc6f47d95879703dbb9369e2e35b4e50a452e91741e6a949336220348dbb3c389c46ea2e0ca41f592dcaa0

        • C:\Users\Admin\AppData\Local\Temp\00294823\CvK.tlb

          Filesize

          2KB

          MD5

          9156db5f76d48049dbc41fd1b58b3f34

          SHA1

          5eb1df59f9b5b06ab00137fc9e6451e323d3102c

          SHA256

          66fab808188a98ba49d99b723a181aa6626197d50bd2d5e15e076dcbc6fbb2cc

          SHA512

          742a77e71c34632146e16acadb6b381694072c7f4c2dea1df1dfc645ed42673ba153c832d167474dc41f9b608142a8c41b4aecda1efdab90d87d4f5c718bf149

        • C:\Users\Admin\AppData\Local\Temp\00294823\CvK.x64.dll

          Filesize

          319KB

          MD5

          4f5c722b8686afbea6f09c53171d44ca

          SHA1

          184c60aafbb12d1023b1ce2aff4d3708607a75a1

          SHA256

          870c280ea861313edda0bd3950dc738ea68d006f315888d66023b54e5f98f0ea

          SHA512

          e471a86079a16d129ea0c01878af77d1aa132e629832d3f0f3d1f8a3dd250ed41c8d2f37403a10c8061fff07c07dda926ba7ffcc417c6e0100005a0f2721417a

        • C:\Users\Admin\AppData\Local\Temp\00294823\PUas.dat

          Filesize

          3KB

          MD5

          2808c19f710ca051b84f3d257d0e4c67

          SHA1

          9eb60aa1e3829c8d2eb701bfd03c90a13a4d69e1

          SHA256

          569ff479b381543c371119c19238a0c7d09bf1342c01e2847ef04b590fae64e2

          SHA512

          7c716acd8991c34b8fbed1cba961a820a4f246f1de79575690da410107f87e29408b309a1ecb15d896e8113da6e136e255c162e49d37295910e4d54c7f09bc27

        • C:\Users\Admin\AppData\Local\Temp\00294823\[email protected]\bootstrap.js

          Filesize

          2KB

          MD5

          1b53c596cfb1aa2209446ff64c17dabd

          SHA1

          2542da14728dcdbe1763f1ee39fe9ceae38ad414

          SHA256

          a7dfea4bf7e1d46a8b8e64ccfb2cf35017e3a5b350eead26d6671254d2b3c46f

          SHA512

          be54481675c38ef6a41697cf8cd3ab5a0b126922b192732a9c587dd8905b74b66c79eb0c849f62bbe8934979a894be63734b0ad59ffae295f5797cbfaa327030

        • C:\Users\Admin\AppData\Local\Temp\00294823\[email protected]\chrome.manifest

          Filesize

          100B

          MD5

          900fbf3712c6e6b89a6e144fa44c2b1b

          SHA1

          7f39465f84b3f69ed14180921ba3fc39e7f1e279

          SHA256

          fd53a0d91060ace9928302c0395e13d072594b7d9da4947b3485b8927c303b51

          SHA512

          3c447a5b9fd9c1008dc81363ee33bef3200f23ab533d282db615a89eecc32573e36aec969f84e594bbd2a0136d36ea9d65aec84d75dc1d606f193376874bd9c4

        • C:\Users\Admin\AppData\Local\Temp\00294823\[email protected]\content\bg.js

          Filesize

          9KB

          MD5

          95540091c37a4aedac871acce22c51af

          SHA1

          5706cc2d999cd624fe541305227320e5b9c84b7b

          SHA256

          8bdb52c4c3cde2ff3fc26ee0da7981a25fbface95e12a4e5f54230009336c325

          SHA512

          31840ff23fb4ee93d46d3574f462d7e55b2359f7558283475cad389771b442b53d58b4733d526128ee6345aba3fc4c3173fc889f43af7eb12ae886352352d6e2

        • C:\Users\Admin\AppData\Local\Temp\00294823\[email protected]\install.rdf

          Filesize

          614B

          MD5

          2bddc50cf55511af5c25d00363f7c62a

          SHA1

          72f53b75ec869fa99dddacc85864d417f183dba2

          SHA256

          85527150d818356b935970b24d95900cdd7a483273be32f1a690441c88475c0c

          SHA512

          fcfe6e47283bdeb18c9671474af418d634c59c47bbd274ab4af7430950478411f61105788b48370ddfe8556fd3a09ab740f93d9e5b5bab0ab57c47510a0b3c2b

        • C:\Users\Admin\AppData\Local\Temp\00294823\ppkgcjdijfblpajlaajmakgkioepadmb\background.html

          Filesize

          141B

          MD5

          c80f2ed6e648b9cc946794bd54e665f2

          SHA1

          4903af0ea030cc6f90ce4571496b2557ae7a7969

          SHA256

          550a7e5fddf69a5b71e0b543dd595c235ae65852912819996b713771e613bf87

          SHA512

          27cf5ffa03ad59e69bb3ddf725908ddbd02280079da3bf290c528396b31b7d8e350b376b1f84662d47ee7f3d68cca47af5388e87c560cc1a63a28f38111dfd58

        • C:\Users\Admin\AppData\Local\Temp\00294823\ppkgcjdijfblpajlaajmakgkioepadmb\content.js

          Filesize

          197B

          MD5

          5f9891607f65f433b0690bae7088b2c1

          SHA1

          b4edb7579dca34dcd00bca5d2c13cbc5c8fac0de

          SHA256

          fb01e87250ac9985ed08d97f2f99937a52998ea9faebdc88e4071d6517e1ea6b

          SHA512

          76018b39e4b62ff9ea92709d12b0255f33e8402dfc649ed403382eebc22fb37c347c403534a7792e6b5de0ed0a5d97a09b69f0ffc39031cb0d4c7d79e9440c7c

        • C:\Users\Admin\AppData\Local\Temp\00294823\ppkgcjdijfblpajlaajmakgkioepadmb\lsdb.js

          Filesize

          559B

          MD5

          209b7ae0b6d8c3f9687c979d03b08089

          SHA1

          6449f8bff917115eef4e7488fae61942a869200f

          SHA256

          e3cf0049af8b9f6cb4f0223ccb8438f4b0c75863684c944450015868a0c45704

          SHA512

          1b38d5509283ef25de550b43ef2535dee1a13eff12ad5093f513165a47eec631bcc993242e2ce640f36c61974431ae2555bd6e2a97aba91eb689b7cd4bf25a25

        • C:\Users\Admin\AppData\Local\Temp\00294823\ppkgcjdijfblpajlaajmakgkioepadmb\manifest.json

          Filesize

          510B

          MD5

          5758c8cd4cfa671abd4c9dc31b2c2279

          SHA1

          0e22ee5642798e2b494380bc866b8f6812c6daca

          SHA256

          48dfad792aff9dd9f095eb0b132de42617aacce2d761fc2a1f6164ca8938c5b2

          SHA512

          dcd9f4bdac076553e7b3097ef8c3cd887cd0c8ddd90801b7e9136a48376d0fd3379061493de959b479c5048f38c21776b6f16a6f1a45dd9e67a9611bb44cec17

        • C:\Users\Admin\AppData\Local\Temp\00294823\ppkgcjdijfblpajlaajmakgkioepadmb\sqlite.js

          Filesize

          1KB

          MD5

          f135eb4890e5fe1976a28e977cbaf682

          SHA1

          39a3c29c286cf842f0c2489ec99ca750007ba872

          SHA256

          80c811973c2a7a1d10a4a990632becabbe04834936daedaf050dd7f6b3edf334

          SHA512

          79b3457b9d197c96d1a69e7735d32643f5e7658408ed8ab8f8f891faed92aaff5701caa0d69ed816f8f4a7bd74d5c5f72a9590f5982b0c959466fde7999b656a

        • C:\Users\Admin\AppData\Local\Temp\00294823\ppkgcjdijfblpajlaajmakgkioepadmb\t5ca.js

          Filesize

          5KB

          MD5

          12e309f2c3dc3a989bdb77a53352a292

          SHA1

          a450a54169edcf3ecb2d45802b9290c4c0f0e803

          SHA256

          061bd5f4fffe2c156eaa69dfad92b1c2591992486e52bc99ff88dd6986ea9411

          SHA512

          54412c15d4b054798eb36eb74530ee3f1e5248127d44ecfab33f2d3be8fff737ae9d01430401d0bdfbcd05aaef614ec7e59ee47121624a7abac5ef760c77ad79

        • \Users\Admin\AppData\Local\Temp\00294823\PUas.exe

          Filesize

          334KB

          MD5

          8300c91b40229b42301aebc6d8859907

          SHA1

          0b55e56a6add6b4dd4ceff475a0018a203d02a5a

          SHA256

          f54a6814ac06c70ef5b738eca4855e49039783d96b70ba1ae461bd90877e53b5

          SHA512

          0863750da143e1707513f4a2efe1ad6cf81f5a819c7d5496d1629745afffcf72338aa9de90479d5e0936e848f9b260c434fd369027c56be175814086cafd4d8f