Analysis

  • max time kernel
    149s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/10/2024, 08:25

General

  • Target

    827399b9f58846b604177e4fa4fc19d1_JaffaCakes118.exe

  • Size

    551KB

  • MD5

    827399b9f58846b604177e4fa4fc19d1

  • SHA1

    efd8fe777997ea74f66013928e683c1b3fd9a60f

  • SHA256

    39a638cbf923cb85d50fe041961ceb1314dc469a294acae8b417abcb03ae8c8d

  • SHA512

    103b72a44c95831d9dec699600824bf204cc38865d04280dcbfa234dfbd6eb127916dcb7adb15931aab119a0a4d638081f4b71f7ef815914b2f9f8bc49f7a234

  • SSDEEP

    12288:h1OgLdaOsWctn+MEfOUgbJuMmFcouJqk3:h1OYdaOstMOUgJHJJqk3

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Loads dropped DLL 2 IoCs
  • 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.

  • 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.

  • Modifies Internet Explorer settings 1 TTPs 4 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\827399b9f58846b604177e4fa4fc19d1_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\827399b9f58846b604177e4fa4fc19d1_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2068
    • C:\Windows\SysWOW64\regsvr32.exe
      "C:\Windows\System32\regsvr32.exe" /n /s /i:"" Y7A.dll
      2⤵
      • Loads dropped DLL
      • Drops Chrome extension
      • Installs/modifies Browser Helper Object
      • System Location Discovery: System Language Discovery
      • Modifies Internet Explorer settings
      • Modifies registry class
      PID:3908

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\7zSD11B.tmp\Preferences.C__Users_Admin_AppData_Local_Google_Chrome_User Data_Default_Preferences

          Filesize

          7KB

          MD5

          cc672c7853dcb058787675242dcd25c3

          SHA1

          5409ec897d6d2d5b068597ebed8bc58d126e1d7d

          SHA256

          d2766bff0b53eda40c84f8ebc7fcf2b26177210e8542695d21f4086399e34860

          SHA512

          b913ea33d86172754d82f232337e64f0168524a527453c6a8ada8674cce1805d8861dcbc7057574c7a821bd409883b69813c21630912e4e900ab67e42f3b6ef2

        • C:\Users\Admin\AppData\Local\Temp\7zSD11B.tmp\Y7A.dll

          Filesize

          203KB

          MD5

          41b13b132cb601ecc466654b90296353

          SHA1

          245258ddccb48826f22d57444f49fa30be1b36fd

          SHA256

          7fa4bb68c313e1090587a64b90e87bdcbc14ea3fb7c0e8cff94c657c969b70bf

          SHA512

          0e8de7bbe3695848e299fe3f3506f2e982a60cf0a0dd11cde86de4af67ef3c7b46458680d7bad9cedaa266ea33cb2e77f2aa83fcf1bdd20bf31d1936f2bd69a6

        • C:\Users\Admin\AppData\Local\Temp\7zSD11B.tmp\d7W.dll

          Filesize

          180KB

          MD5

          0e093772550eb9541dd715c016b5584a

          SHA1

          20338dc859a5652f5661280dc508f4e5b533e76d

          SHA256

          028999304f35f7a6fc2cf6e360d4ea587612d63ce191fa979cc98ccca46ab149

          SHA512

          0030b395e2fde6bc9f70f52e71d8e87d306cff8afd2acbad725c4cc92b6d7916a38c1d6d156feaec841966492d32394982ef51989e2b8673d7c00e103f744dd5

        • C:\Users\Admin\AppData\Local\Temp\7zSD11B.tmp\d7W.tlb

          Filesize

          2KB

          MD5

          48e9706fe9f76731f3576122fc3e9e33

          SHA1

          387c8c4898ead8ace488a7df80fead429eaf167b

          SHA256

          7bad79916803a14ca817e5c39f5ec2f0f240044d6dc24fb4916c8fda338060f1

          SHA512

          e9b44a2b1b7a806066182a084ec9df81916fc6db79710256e173377e7cd64a732c006830bbe324a9a734731ecde8b8251cfa995399f6d4df5322faff99c458b6

        • C:\Users\Admin\AppData\Local\Temp\7zSD11B.tmp\mdjpmcojkcgaajfigelcjgimdkijfhij\background.html

          Filesize

          141B

          MD5

          9d9d1578e0078140e04e04696bcde2e5

          SHA1

          261baaf207519f6989da46d49aecb5f5a0441985

          SHA256

          9ed3b84647f920eabad8feac4215fa11518d386c928691e810db71370ac3f208

          SHA512

          c9a00be47d244422b32d7c99ee28a9714ab4d4fbf587aee3df7dfff351c0b453815f4548c2931540a95939e0b66871b3200ac4629548b88a0eb7f6616bac750f

        • C:\Users\Admin\AppData\Local\Temp\7zSD11B.tmp\mdjpmcojkcgaajfigelcjgimdkijfhij\cden.js

          Filesize

          5KB

          MD5

          3857bbe84c244a1a3b68302a7110ae89

          SHA1

          e3b154573f5deeb2194ec5b4dd209de6d0dba09f

          SHA256

          05fe38af415ad9966d88139f19fa3fa01154f01a80e9ce4648084a6706a53ea6

          SHA512

          5ab501428f68b406f86273067748a1ceac0a83b30cbee573e68c5f6323aa019dca5a8f690564805bbde715526a12446d327841ead4c0a454eec286118ab00edb

        • C:\Users\Admin\AppData\Local\Temp\7zSD11B.tmp\mdjpmcojkcgaajfigelcjgimdkijfhij\content.js

          Filesize

          197B

          MD5

          5f9891607f65f433b0690bae7088b2c1

          SHA1

          b4edb7579dca34dcd00bca5d2c13cbc5c8fac0de

          SHA256

          fb01e87250ac9985ed08d97f2f99937a52998ea9faebdc88e4071d6517e1ea6b

          SHA512

          76018b39e4b62ff9ea92709d12b0255f33e8402dfc649ed403382eebc22fb37c347c403534a7792e6b5de0ed0a5d97a09b69f0ffc39031cb0d4c7d79e9440c7c

        • C:\Users\Admin\AppData\Local\Temp\7zSD11B.tmp\mdjpmcojkcgaajfigelcjgimdkijfhij\lsdb.js

          Filesize

          559B

          MD5

          209b7ae0b6d8c3f9687c979d03b08089

          SHA1

          6449f8bff917115eef4e7488fae61942a869200f

          SHA256

          e3cf0049af8b9f6cb4f0223ccb8438f4b0c75863684c944450015868a0c45704

          SHA512

          1b38d5509283ef25de550b43ef2535dee1a13eff12ad5093f513165a47eec631bcc993242e2ce640f36c61974431ae2555bd6e2a97aba91eb689b7cd4bf25a25

        • C:\Users\Admin\AppData\Local\Temp\7zSD11B.tmp\mdjpmcojkcgaajfigelcjgimdkijfhij\manifest.json

          Filesize

          501B

          MD5

          977e11ca13c3e242d4a436e3f7a31661

          SHA1

          3e40072591e887a3558eada10ca5ceaef90f3118

          SHA256

          fcd05ee0e7ae52ad61014b65bfe87e8185feb6f6352f3103cef2d003a6b766cf

          SHA512

          7a23081aafd38cba0bd1f1046be3b15922448280c6a338684f7f1ff5cd938d78935f380c0860deca6a89f8eba77b0d46a1362cfc17ebcf28c0459705f7e1ccc8

        • C:\Users\Admin\AppData\Local\Temp\7zSD11B.tmp\mdjpmcojkcgaajfigelcjgimdkijfhij\sqlite.js

          Filesize

          1KB

          MD5

          347c51630c1a3b9ddc7fa08baf632694

          SHA1

          db87052dcbb2535526e68a1309c9f3a7882399d5

          SHA256

          4d710e1334259121041af12199c872e09198e9296e1baaa9f469476cf0fd87fb

          SHA512

          418b561c4793e9e2e59208b1ce4af92714bd43d1add90de0edda168c6f5eb79c495ebc7109b51dc8a7ed5ec90494a2570a1e612fbf99811f7e13ef1776805f20

        • C:\Users\Admin\AppData\Local\Temp\7zSD11B.tmp\[email protected]\bootstrap.js

          Filesize

          2KB

          MD5

          ce8e81088831fe0b7aab97ea5e1cf172

          SHA1

          e2c369870a882cd5ff7bd79eb89c5ab007aa0e82

          SHA256

          42270ad1687d555e68fbeefa4e39aacd2bae27467af223d618ed1e9e1ba239ea

          SHA512

          e51b583ebee44531f518f00418e934e45b2a4494d9fd499d77d5fb7d13970df162909540f03ddc46ef546426c4d0438842dddc0154e69dcd6dd3a9fbb78cd376

        • C:\Users\Admin\AppData\Local\Temp\7zSD11B.tmp\[email protected]\chrome.manifest

          Filesize

          100B

          MD5

          b4239d4f28e70f8b03097a4049c4a10e

          SHA1

          76344f029cdc4c3d46554a448169d5b25b11f3ee

          SHA256

          e9645ccb88da15639dc6c18f8564f0f66daa3b0547a4eb3dd001c281e0dabc84

          SHA512

          604df628d53a396afca17243309625dc19fd4499a4fbca4835167bb5983d11a9622a364408ef170b7a451c7907d5d65620320e91eeced6c6ddab02beebd0e4a5

        • C:\Users\Admin\AppData\Local\Temp\7zSD11B.tmp\[email protected]\content\bg.js

          Filesize

          9KB

          MD5

          8a2d79936c12f4f43cf8c30e4f347a54

          SHA1

          dc1b35816e4f300cdfb7539a2e69eeac3d1e5b21

          SHA256

          2b2d60d3084d0afc3837ca8a35dd1db2ef5627150daf980fdf95d3d4dc3bdc35

          SHA512

          7a490fe574dbdc5baee479a3a329d5e504f788f83d5a4e203086427c220e625ad9c64b1f02b32229dece8a6bc1f9bba7aa745c8841420d025c68634a937da357

        • C:\Users\Admin\AppData\Local\Temp\7zSD11B.tmp\[email protected]\install.rdf

          Filesize

          600B

          MD5

          d2842a7773ced806bbffe5cf6acd2333

          SHA1

          5021177b26920999e6b62d5245f586f0a1e1ac94

          SHA256

          f23815dc08438580d8f9b4fe9cd1899c513b3dd56a26ecfb72638363b5519038

          SHA512

          15903699abb2f53abc0c215e58e233648ac00c4120809c1a063d3c72647119cdf43cf01dba237a019e35fcd413529ebe3d1e4a338f2ae6711766cde0b7b47d74

        • C:\Users\Admin\AppData\Local\Temp\7zSD11B.tmp\settings.ini

          Filesize

          7KB

          MD5

          ef48adf7395c733837e964559002cf9c

          SHA1

          d0ceb816d8a239eeb17c10ccf54a9a11d0873e0a

          SHA256

          3fbc43753ba66c5898eddf535fe88350fc9f4b2a2f2d30f1babc3bbdd03f47b0

          SHA512

          8a1fdedc4838010cee1835cf640859278e9be612bca277f92592d88b46206dbc12175f804a3ee1fb8084df0661476fc0fa8b563b015735d4ea17e8513dc0111b