Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/10/2024, 07:27

General

  • Target

    16baba1579de333a878ffc1a26db4b7c_JaffaCakes118.exe

  • Size

    725KB

  • MD5

    16baba1579de333a878ffc1a26db4b7c

  • SHA1

    75356a0595265ee450dca8bef97e75d68c9d29f7

  • SHA256

    1b91853b925ed7b92a47f3c825c384a0aecb6b22ff06429ea046736c76decc1b

  • SHA512

    5f3918e4e8bd177eb3fa24454b649d9559fef245c12d9e789d5f27a4416f1dd8406f1030a0c99fbb6b10bc5e2e19ae3c9abcd7c507875d9f9c71b59aee64b2d1

  • SSDEEP

    12288:h1OgLdaOgo99/rsFEt5hDG0SAMs9jR/jeRJKu9TJdwYGZtyjTje5jOSpJk:h1OYdaOgOBsFEt5hDG0SAMs9jR/jaJnT

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 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 63 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\16baba1579de333a878ffc1a26db4b7c_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\16baba1579de333a878ffc1a26db4b7c_JaffaCakes118.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3752
    • C:\Users\Admin\AppData\Local\Temp\7zS9B65.tmp\OYN.exe
      .\OYN.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:1960

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\7zS9B65.tmp\10652019070159731310.log

          Filesize

          6KB

          MD5

          dbd008076debaa1bd5126d6bc36ae443

          SHA1

          bf753418c77095af02f758abcff8d967071cd2cd

          SHA256

          608f8c0d4c99f037fd29d0a26e63cacf02b93ae203f8e93722753344c5a079c0

          SHA512

          1fc6ac508ba4a7dc50285665ca91b7e54fe6499826bc837d46870f057987052aa892fdd71bdb6a40dd8be71420a707f832e2cf8376796638edbde67819a3e560

        • C:\Users\Admin\AppData\Local\Temp\7zS9B65.tmp\OYN.dat

          Filesize

          7KB

          MD5

          91a047fe6747bec2f45c0d25df124e03

          SHA1

          957bffc21e38500152ddec93a26a64ea359398bf

          SHA256

          04ef1fc5229cdbfda755b463222f12349da32a883e562e76c0c9c1ec24fe2f92

          SHA512

          24dbbad15d6811dd67664568708c24b9fe0f0eabe909a4326eb7384509f1a0b2a26bf9a7f68dbd560d77e8b14674817ba9e773c1cd325dea21678e217050fd2e

        • C:\Users\Admin\AppData\Local\Temp\7zS9B65.tmp\OYN.exe

          Filesize

          334KB

          MD5

          8300c91b40229b42301aebc6d8859907

          SHA1

          0b55e56a6add6b4dd4ceff475a0018a203d02a5a

          SHA256

          f54a6814ac06c70ef5b738eca4855e49039783d96b70ba1ae461bd90877e53b5

          SHA512

          0863750da143e1707513f4a2efe1ad6cf81f5a819c7d5496d1629745afffcf72338aa9de90479d5e0936e848f9b260c434fd369027c56be175814086cafd4d8f

        • C:\Users\Admin\AppData\Local\Temp\7zS9B65.tmp\kkeneknfbkeobjfmdfnmnepiecfbgeen\background.html

          Filesize

          140B

          MD5

          15672f421da9117f2f26cb9ea80721b8

          SHA1

          f750399bfc4ae154e9315ee5561045345c860592

          SHA256

          09fb45279ed5dc93b65b40318ffc7f49c5eb72b7b82e5595a2a583e9adad97a9

          SHA512

          29df05ca46903ddfb2f22dbf25930aa3f4ea4054c9ceaf42c5eadae81e71df35b28974da8354312f9ba190388a90117d83bd687d1e267fa974a0b0e09e651fa3

        • C:\Users\Admin\AppData\Local\Temp\7zS9B65.tmp\kkeneknfbkeobjfmdfnmnepiecfbgeen\content.js

          Filesize

          197B

          MD5

          5f9891607f65f433b0690bae7088b2c1

          SHA1

          b4edb7579dca34dcd00bca5d2c13cbc5c8fac0de

          SHA256

          fb01e87250ac9985ed08d97f2f99937a52998ea9faebdc88e4071d6517e1ea6b

          SHA512

          76018b39e4b62ff9ea92709d12b0255f33e8402dfc649ed403382eebc22fb37c347c403534a7792e6b5de0ed0a5d97a09b69f0ffc39031cb0d4c7d79e9440c7c

        • C:\Users\Admin\AppData\Local\Temp\7zS9B65.tmp\kkeneknfbkeobjfmdfnmnepiecfbgeen\hjg.js

          Filesize

          5KB

          MD5

          1c89a1458631184eb27893ca9873e04f

          SHA1

          2dd2947824516dae3ee4d14a5608080b314c9ea2

          SHA256

          3979fbf83d7c0e0f1b4eeb4b1fef04ae10652aa21dff57e4156fca086cf1a628

          SHA512

          d795746dcbff37c185ec8cb7e55d182d44c93a464748614c5849eb39e167c45e49054fc55279de7a30ea56fbf95a96edc7694bfd4c2329524fd3f2060f34824c

        • C:\Users\Admin\AppData\Local\Temp\7zS9B65.tmp\kkeneknfbkeobjfmdfnmnepiecfbgeen\lsdb.js

          Filesize

          559B

          MD5

          209b7ae0b6d8c3f9687c979d03b08089

          SHA1

          6449f8bff917115eef4e7488fae61942a869200f

          SHA256

          e3cf0049af8b9f6cb4f0223ccb8438f4b0c75863684c944450015868a0c45704

          SHA512

          1b38d5509283ef25de550b43ef2535dee1a13eff12ad5093f513165a47eec631bcc993242e2ce640f36c61974431ae2555bd6e2a97aba91eb689b7cd4bf25a25

        • C:\Users\Admin\AppData\Local\Temp\7zS9B65.tmp\kkeneknfbkeobjfmdfnmnepiecfbgeen\manifest.json

          Filesize

          507B

          MD5

          0e837ce28d1b98e6a9351324e6bb8fd0

          SHA1

          5152700f95a822b8c0d52c008e9ad397a9cdea4e

          SHA256

          929980ba64457dc3ca28cf590b565469fa35c146cdd0d3c5c44d90f4d2fdcc28

          SHA512

          f4e49530caa73065985c30773080723a03fcb6e5bd6accc2ce00e6ac8ba336aecfc33b98be3e8baa06a928e9eaf8417cea00300a8a4702b3495d01e23ae7e21b

        • C:\Users\Admin\AppData\Local\Temp\7zS9B65.tmp\kkeneknfbkeobjfmdfnmnepiecfbgeen\sqlite.js

          Filesize

          1KB

          MD5

          b9d4d440f38fcb5d90b41c88f84c0577

          SHA1

          cba2ecd32f1fbe5864b128d2c6bbc9594c1e7081

          SHA256

          20e7a1a489212362127afbb974aead47ef1540613fff7c829c336481214353a7

          SHA512

          6ed5610fcf8f636caf868e6b6956e0801186f91d29205bb99016360846af05c4053ce9941214daff7363b477ede5b17f0ed8b1277dc823281e2625a6c50f69d8

        • C:\Users\Admin\AppData\Local\Temp\7zS9B65.tmp\[email protected]\bootstrap.js

          Filesize

          2KB

          MD5

          1b53c596cfb1aa2209446ff64c17dabd

          SHA1

          2542da14728dcdbe1763f1ee39fe9ceae38ad414

          SHA256

          a7dfea4bf7e1d46a8b8e64ccfb2cf35017e3a5b350eead26d6671254d2b3c46f

          SHA512

          be54481675c38ef6a41697cf8cd3ab5a0b126922b192732a9c587dd8905b74b66c79eb0c849f62bbe8934979a894be63734b0ad59ffae295f5797cbfaa327030

        • C:\Users\Admin\AppData\Local\Temp\7zS9B65.tmp\[email protected]\chrome.manifest

          Filesize

          98B

          MD5

          6dd7512c7ff1193983a951e4223eaaf7

          SHA1

          7b835a5c256af6d9eb4419200461bc1669427fb5

          SHA256

          d852b909609377d5b9028ccc21c629de8554f620042ded7b1f1ae94a3fa53cb5

          SHA512

          3b79405bd7155878fbcfb327c8453f107d901b6a20c78504ccf4d6be5890be1260eca8afc6187418c86337393ac425cd255ba2bba4a0225bf5eba427cf1b2035

        • C:\Users\Admin\AppData\Local\Temp\7zS9B65.tmp\[email protected]\content\bg.js

          Filesize

          9KB

          MD5

          4a58afd12626999c13e663dea9ddb3c3

          SHA1

          46a3f08f91837844eaa42ac3411eb26b29f9cb80

          SHA256

          c3d12451f57f136a891492f7ef7044b5e454942a9f508096d8f1f57af264f22a

          SHA512

          412cba7bb0840a7f7f3c59ec7b587e649366de5ad7877473a35240fd19b5363c752805ba9e1fb738532851d7a06b0aff1919f3163d876d1af8094d66f3c6d3f1

        • C:\Users\Admin\AppData\Local\Temp\7zS9B65.tmp\[email protected]\install.rdf

          Filesize

          614B

          MD5

          cb582b2745b8d8bbced4997e51a6dc05

          SHA1

          5ccfcdea3509404473b417c499c08c4b1a0ed0d7

          SHA256

          d191458f66245cd5cbe46ec14ffe15a98b04eb785cd214090c1701d5793754db

          SHA512

          6c9ee67a118210bde50e720ce1233531c284f0cfc97864566be16b867ab59234c4cfc2fd307e0db3fcb01eb21f1717b885efcff1c96df25270df2bc1c4bfc225

        • C:\Users\Admin\AppData\Local\Temp\7zS9B65.tmp\pR.dll

          Filesize

          222KB

          MD5

          e9b27306a18f18b88945cdf066de2fc9

          SHA1

          4d18490fbb336e261301a967047065dd561cc2f2

          SHA256

          a9880b90d24af3786886306aefe5c79ff3cb2fb7b36ee5fb7bf2af85f240d63c

          SHA512

          f255e8bfb13cfa070b31f47b12a4aacf9ab75a6a8191b6b83740d02c3f007b6d5255a5c2c12bc7b599996742973d2faccb5463d96d16c7aba40e34776823c706

        • C:\Users\Admin\AppData\Local\Temp\7zS9B65.tmp\pR.tlb

          Filesize

          2KB

          MD5

          39d776f73d1d3f771aaa8c3561367c3a

          SHA1

          eef842aa02927bd7fbe7d569c5446ef1a2ea065f

          SHA256

          c2156787eeb818e587529572599fa124773c71330fb93e1c79f4cb9141090941

          SHA512

          3174095accbf422730e60f61523dec01a9a4519cb4642a641c5f547d530ad41f5386d383b90f7daf34f1f36635775929e99d7fe0030aa24cee30f4de8376eeb3