Analysis

  • max time kernel
    125s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-10-2024 16:39

General

  • Target

    0b9b9a4e23249b0afae3ad6885d82a1d_JaffaCakes118.exe

  • Size

    552KB

  • MD5

    0b9b9a4e23249b0afae3ad6885d82a1d

  • SHA1

    fd3c4576c5831747b50c2e1b39f403d7b5d3127d

  • SHA256

    6ce1acc6df703a96f545dbe9ce158aaed7b469004a4241260ef6445e97ecc06c

  • SHA512

    83d98ddc2289722c61eace51788baf285491f6078cc80ae508603ce2d582f3c0fc184688b6385ea2773fc4fad1119cca5d5467d51d931b69faedf3ce4e35ba4b

  • SSDEEP

    12288:h1OgLdaOSWctn+MEfOUgbJuMmFcouJqk5:h1OYdaOStMOUgJHJJqk5

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 63 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0b9b9a4e23249b0afae3ad6885d82a1d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\0b9b9a4e23249b0afae3ad6885d82a1d_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2444
    • C:\Windows\SysWOW64\regsvr32.exe
      "C:\Windows\System32\regsvr32.exe" /n /s /i:"" uI1FZK.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:3292
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=1316,i,1330210614411927383,9239043499051775691,262144 --variations-seed-version --mojo-platform-channel-handle=4360 /prefetch:8
    1⤵
      PID:1808

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\7zSF2E.tmp\1vPaSx.dll

      Filesize

      180KB

      MD5

      0e093772550eb9541dd715c016b5584a

      SHA1

      20338dc859a5652f5661280dc508f4e5b533e76d

      SHA256

      028999304f35f7a6fc2cf6e360d4ea587612d63ce191fa979cc98ccca46ab149

      SHA512

      0030b395e2fde6bc9f70f52e71d8e87d306cff8afd2acbad725c4cc92b6d7916a38c1d6d156feaec841966492d32394982ef51989e2b8673d7c00e103f744dd5

    • C:\Users\Admin\AppData\Local\Temp\7zSF2E.tmp\1vPaSx.tlb

      Filesize

      2KB

      MD5

      48e9706fe9f76731f3576122fc3e9e33

      SHA1

      387c8c4898ead8ace488a7df80fead429eaf167b

      SHA256

      7bad79916803a14ca817e5c39f5ec2f0f240044d6dc24fb4916c8fda338060f1

      SHA512

      e9b44a2b1b7a806066182a084ec9df81916fc6db79710256e173377e7cd64a732c006830bbe324a9a734731ecde8b8251cfa995399f6d4df5322faff99c458b6

    • C:\Users\Admin\AppData\Local\Temp\7zSF2E.tmp\Preferences.C__Users_Admin_AppData_Local_Google_Chrome_User Data_Default_Preferences

      Filesize

      7KB

      MD5

      010ba9f8692b32921d5cff7a0423b4c8

      SHA1

      e18e77e338a07d462bdd12779459824933647533

      SHA256

      00249df9eabe32300402dcd5f3d68d433798575072be5971d52af5ff54c92fee

      SHA512

      d4cd76c687a901d82e61a799e51f6816fe7c454b4b115c10e2b5bfe689d8d2a6dd5bb9e8eacde47f17d39504d365d133d8db3e77b1fec424ab2885988194f5d9

    • C:\Users\Admin\AppData\Local\Temp\7zSF2E.tmp\cdkpojnkgeoegnojhhllnjdjmjgjhalp\VfyjrOt.js

      Filesize

      5KB

      MD5

      c41623358224ded66841ff12edddeb8d

      SHA1

      a4f863ea0f3f74bac7889baf6d7763491c34caf3

      SHA256

      5a61b77ef539a0373fcae54d4e8593964e6a9aecb329a97d413a048d7692b0db

      SHA512

      65cfb758825c997a816407053a7ea30d56b492adfee2f575dee1b46c8e64aa025eb01fd96c7b1059af157d1a057b27377ef07ea91457abffe9ff1667f563d475

    • C:\Users\Admin\AppData\Local\Temp\7zSF2E.tmp\cdkpojnkgeoegnojhhllnjdjmjgjhalp\background.html

      Filesize

      144B

      MD5

      83cadb8d8a2a693b2c312f984fa7b7d4

      SHA1

      9cb5d7e4f6e3960d8db6a1f0befec2a89eb8c6b5

      SHA256

      f841ea6075417ae6f333347a21fbdbe79d5874ed06008ca874b56bb0c16177f2

      SHA512

      b82e7cb429a3e5b03e88a5951b08e45b6fb3a5a9bc0cdec9a5ba94cf171dcbad86e0ea5184a97fb516d9d4ea67c8fd38240c75cc09c8542c3e43eec16682626c

    • C:\Users\Admin\AppData\Local\Temp\7zSF2E.tmp\cdkpojnkgeoegnojhhllnjdjmjgjhalp\content.js

      Filesize

      197B

      MD5

      5f9891607f65f433b0690bae7088b2c1

      SHA1

      b4edb7579dca34dcd00bca5d2c13cbc5c8fac0de

      SHA256

      fb01e87250ac9985ed08d97f2f99937a52998ea9faebdc88e4071d6517e1ea6b

      SHA512

      76018b39e4b62ff9ea92709d12b0255f33e8402dfc649ed403382eebc22fb37c347c403534a7792e6b5de0ed0a5d97a09b69f0ffc39031cb0d4c7d79e9440c7c

    • C:\Users\Admin\AppData\Local\Temp\7zSF2E.tmp\cdkpojnkgeoegnojhhllnjdjmjgjhalp\lsdb.js

      Filesize

      559B

      MD5

      209b7ae0b6d8c3f9687c979d03b08089

      SHA1

      6449f8bff917115eef4e7488fae61942a869200f

      SHA256

      e3cf0049af8b9f6cb4f0223ccb8438f4b0c75863684c944450015868a0c45704

      SHA512

      1b38d5509283ef25de550b43ef2535dee1a13eff12ad5093f513165a47eec631bcc993242e2ce640f36c61974431ae2555bd6e2a97aba91eb689b7cd4bf25a25

    • C:\Users\Admin\AppData\Local\Temp\7zSF2E.tmp\cdkpojnkgeoegnojhhllnjdjmjgjhalp\manifest.json

      Filesize

      556B

      MD5

      5b3ebb2f7bd441811899864c8c607fab

      SHA1

      15b012bdfa7b42e024f0ca1c7600d6a8d87800d3

      SHA256

      a9c53c0aeba5b5708bd9f10d0e82a88ff17abfb5adae57286df77eefd762b78b

      SHA512

      5402878e5dfbd0cda4652ba5f51b03668e58229672f961d524e27cbfdf2ca2266a6be1a7ad4236e5b0583b62b17b96aa8b7d8f5924a12c69bb8767c5c1ec84ce

    • C:\Users\Admin\AppData\Local\Temp\7zSF2E.tmp\cdkpojnkgeoegnojhhllnjdjmjgjhalp\newtab.html

      Filesize

      352B

      MD5

      b3bbe06e6da477ab9d2ec8fa1f10bf90

      SHA1

      c6f6f6be0520206b6916ac63a6876e2e7051922c

      SHA256

      d6e9953ee0cf52b4a0273c0eff2890de24da93caa47fda09d524a14ffd1b3886

      SHA512

      07020c46ea21bebd1ca638c3e483406d6668aa76799ef40b0069eaf35ab76474653327fa4b1066833faecc0bd055ab7399312359518424f9fdcfe98c2cf0f2db

    • C:\Users\Admin\AppData\Local\Temp\7zSF2E.tmp\cdkpojnkgeoegnojhhllnjdjmjgjhalp\sqlite.js

      Filesize

      1KB

      MD5

      ffefe59db0e7ff4abc22fdbd25fa7f2f

      SHA1

      cd7c02a48a46b2a8cd4665b5978ffc7534da15ab

      SHA256

      5344f7c4580b6b0159badd0bf2e4970da7423f0c04261b9d56b12107c3a7069c

      SHA512

      7f6abeb07d8c2d231a29dd9792ea2a09eff657453b67a02a4e60dd98c04c9f757e514597eb65d852bc3f3623c286b2aba336f39d02a59c744db0f4234c905420

    • C:\Users\Admin\AppData\Local\Temp\7zSF2E.tmp\settings.ini

      Filesize

      7KB

      MD5

      fcaff5df656ddb748daa84d26cc8ae74

      SHA1

      ba84ce5fa7e4f7aad7e191df2aac2c73a12a8594

      SHA256

      6bf738a5e2d56374ec3523c92cd4f569df38669e3369236fd2e5f31ca5dde6b6

      SHA512

      dfb98d3374ef4944a17e7aab564a0d64c27fd05a15e1ae1da5652f8c76fee3119e6a7e6e36d8953327ca63795daaa667f4692a70b0dc439a487e6e874f6a9d93

    • C:\Users\Admin\AppData\Local\Temp\7zSF2E.tmp\uI1FZK.dll

      Filesize

      203KB

      MD5

      41b13b132cb601ecc466654b90296353

      SHA1

      245258ddccb48826f22d57444f49fa30be1b36fd

      SHA256

      7fa4bb68c313e1090587a64b90e87bdcbc14ea3fb7c0e8cff94c657c969b70bf

      SHA512

      0e8de7bbe3695848e299fe3f3506f2e982a60cf0a0dd11cde86de4af67ef3c7b46458680d7bad9cedaa266ea33cb2e77f2aa83fcf1bdd20bf31d1936f2bd69a6

    • C:\Users\Admin\AppData\Local\Temp\7zSF2E.tmp\[email protected]\bootstrap.js

      Filesize

      2KB

      MD5

      b151aae8f76b1b690a561c81c184b819

      SHA1

      622c8008669a30702ac0a2584a8a211e7cafa473

      SHA256

      51b2cf555b89a2f5d84239ebf92083775cbe389f1cf26c0ce86770f7031690bd

      SHA512

      beab6e67a911d2645c3d840318bd1189fa38698467183134dd8bdf39fb8a74059d1dd589a3f22a753e15867d693961bb6604eac6e94cac4c9f86d7170694e60b

    • C:\Users\Admin\AppData\Local\Temp\7zSF2E.tmp\[email protected]\chrome.manifest

      Filesize

      106B

      MD5

      d2c168eff3d9b884ef5d47c631e3235a

      SHA1

      9faf971e281cdab5e913b67b57000aa2d7f695ce

      SHA256

      86fe321da0d28d38e660d8344a8ee85ed3753fceba5b5a2cecaccfa3990852e0

      SHA512

      1a84c03ebb9b3a5b6af8e511fac050b67b11384e2514010f09cdad5684b8a5749b200419d394fe275553e834d18877a5ccc330f5c5bbacff5583557d5494780a

    • C:\Users\Admin\AppData\Local\Temp\7zSF2E.tmp\[email protected]\content\bg.js

      Filesize

      9KB

      MD5

      2ca7f64f39641cbadd6c7553ef40355b

      SHA1

      767cef40108655962456cb55b208a8840f252218

      SHA256

      840efe3e5938cc4886c7041515277ffe63772edb956c5dfa584a9153ad8be232

      SHA512

      5352bc2d4eb67edb0ace910c0935cdcbc128f32d2ebd4a092d8d698836a1b87aab4fbeb1ad414ad2c6e3f42c4e545a5e83fe80fd8c8b6bc3af06c1ffed824a2b

    • C:\Users\Admin\AppData\Local\Temp\7zSF2E.tmp\[email protected]\install.rdf

      Filesize

      610B

      MD5

      520ef4b2a4fa6f69dc193b38b63c1334

      SHA1

      245f703f79bddfa78be3227e9068f0cb425f4212

      SHA256

      242bbd28364cc57fc0b47b42b1550e33f8e76686e24a54873fb3f8f37a299a65

      SHA512

      3790fe73f8a140a8f5d71795da8b75af6d443553cdaba4157801ef76fd25ab1ca990f490bf2559d877703922f3f689d9027989d1b81432e84830f29fec587820