Overview

overview

7

Static

static

1

3d81f8e461...18.exe

windows7-x64

7

3d81f8e461...18.exe

windows10-2004-x64

7

Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-07-2024 13:09

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General

  • Target

    3d81f8e46196174be71478be416c761e_JaffaCakes118.exe

  • Size

    1.1MB

  • MD5

    3d81f8e46196174be71478be416c761e

  • SHA1

    56148645996e4d3c930351a84cf1c1d7131766d6

  • SHA256

    e50c36647c0210664490fb3a77d093dc6addc44aa27e40234eb43a5e6fee0bbe

  • SHA512

    9dc310c3a350dc1981d4b52f35caeaeeadedff63462ea1d78a0ff65d3edd4f2bda72b21eca9e0aa813a7b7cac0d7215ae288f9562509fa19116d28a7618043bd

  • SSDEEP

    24576:QXELkiAQ3+8ngBGJ57cXi3LeSIPCljWXyZhVHu6kVT2nE0ytcOTEQI+xU:wCkiAQOF0cXi3CnPClSUhN8ViOTEQTxU

Score
7/10
adwarediscoverystealer

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 3 IoCs

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

  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 4 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    discovery
  • Enumerates connected drives 3 TTPs 42 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Installs/modifies Browser Helper Object 2 TTPs 3 IoCs

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

    stealeradware
  • Drops file in Program Files directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
    adwarespyware
  • Modifies registry class 64 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3d81f8e46196174be71478be416c761e_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\3d81f8e46196174be71478be416c761e_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1144
    • C:\Users\Admin\AppData\Local\Temp\3d81f8e46196174be71478be416c761e_JaffaCakes118-0478.exe
      "C:\Users\Admin\AppData\Local\Temp\3d81f8e46196174be71478be416c761e_JaffaCakes118-0478.exe" "C:\Users\Admin\AppData\Local\Temp\3d81f8e46196174be71478be416c761e_JaffaCakes118.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Enumerates connected drives
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4652
      • C:\Users\Admin\AppData\Local\Temp\YontooSetup-S.exe
        "C:\Users\Admin\AppData\Local\Temp\YontooSetup-S.exe" "YontooApp=bvd" "InstallSource=BVD-S1" "DisableAppsList=" "EnableMoreAppsList=bestvideodownloader,ezLooker,pagerage,buzzdock,dropdowndeals,twittube" "SkipIE=0" "SkipFF=0" "SkipGC=0" "MoreSettings=" "SkipNewOffers=0" "OptimizeEnablePlugin=1" "OptimizeLoadTime=1" "OptimizeMixedContent=1" "OptimizeCSP=0"
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:3556
        • C:\Users\Admin\AppData\Local\Temp\YontooSetup-S-0DE4.exe
          "C:\Users\Admin\AppData\Local\Temp\YontooSetup-S-0DE4.exe" /q2 "YontooApp=bvd" "InstallSource=BVD-S1" "DisableAppsList=" "EnableMoreAppsList=bestvideodownloader,ezLooker,pagerage,buzzdock,dropdowndeals,twittube" "SkipIE=0" "SkipFF=0" "SkipGC=0" "MoreSettings=" "SkipNewOffers=0" "OptimizeEnablePlugin=1" "OptimizeLoadTime=1" "OptimizeMixedContent=1" "OptimizeCSP=0" "C:\Users\Admin\AppData\Local\Temp\YontooSetup-S.exe"
          4⤵
          • Checks computer location settings
          • Executes dropped EXE
          • Loads dropped DLL
          • Enumerates connected drives
          • Installs/modifies Browser Helper Object
          • Drops file in Program Files directory
          • Modifies Internet Explorer settings
          • Modifies registry class
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:3664
          • C:\Users\Admin\AppData\Local\Temp\7za.exe
            "C:\Users\Admin\AppData\Local\Temp\7za.exe" x "C:\Users\Admin\AppData\Local\Temp\YontooLayers.crx" -o"C:\Users\Admin\AppData\Local\Temp\YontooLayers" * -r -y -aoa
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetWindowsHookEx
            PID:4268
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --pack-extension="C:\Users\Admin\AppData\Local\Temp\YontooLayers" --pack-extension-key="C:\Users\Admin\AppData\Local\Temp\YontooLayers.pem" --no-message-box
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:1856
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=123.0.6312.106 --initial-client-data=0x118,0x11c,0x120,0xf4,0x124,0x7ffcfbd2cc40,0x7ffcfbd2cc4c,0x7ffcfbd2cc58
              6⤵
                PID:3260

    Network

    MITRE ATT&CK Enterprise v15

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\3d81f8e46196174be71478be416c761e_JaffaCakes118-0478.exe
      Filesize

      220KB

      MD5

      537237d523c660cc578bccb574d69a80

      SHA1

      1621e8c07466e30c4821d864f69f306d26ea1589

      SHA256

      8ac20fd67bc5248b2c49e09ee297e443385a74b4fee985f819e92df622dc5975

      SHA512

      2511594d233166be6406998daa41ec9f1e6783cf6e7158b5a159152839a60c50ee95eff5f8f0d1d91d25ca4fc4a07f6090ff399ad012a1c6a066e388b29d9eb1

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    • C:\Users\Admin\AppData\Local\Temp\6A8B1D97\Setup.ico
      Filesize

      4KB

      MD5

      60e3ef9326e8c3f574a2c7b5a31fd895

      SHA1

      d3aa40f8de5c549e6abb189421d6cdcd75ac64f6

      SHA256

      5e8c38cabd089ecd573d953cf2ade243459d7c06aab7b9698975e10dd7f34689

      SHA512

      9a9be32fb1b4355f37766c5296139012d2fd931fb0db871307059cd0afc063a334165f34069a27ed8850889175e2f5f00be65ac2e8b9d22903754a043ae04906

      Download Submit

    • C:\Users\Admin\AppData\Local\Temp\6A8B1D97\_Setup.dll
      Filesize

      17KB

      MD5

      4cb9c66da8efd5e577cf213d51f2af26

      SHA1

      90b87f25c3c0a7b36b51f275646a4bc6536fbd66

      SHA256

      241c28098921bf96569a4b39dc4d35d922f3c0b06bade4da8a940752fb0969df

      SHA512

      fa440c4520a3abaca58f9d458564c2fd4d7fea2ec20cfcec181ba1f7c37bcb5daa0f35d55955db2125ac72d6f028ebb377b521f2017393a1c93b28cfcb6e818e

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    • C:\Users\Admin\AppData\Local\Temp\7za.exe
      Filesize

      523KB

      MD5

      e92604e043f51c604b6d1ac3bcd3a202

      SHA1

      4154dda4a1e2a5ed14303dc3d36f448953ff6d33

      SHA256

      fa252e501332b7486a972e7e471cf6915daa681af35c6aa102213921093eb2a3

      SHA512

      ef396d94d83fd7a588c6e645ea5fcfe24390440a03b3bf0ecd05ca6749fd3f9561dfafe725ee0edea51a34d52af26cd311e768aa72f75686cc796abee4757d43

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    • C:\Users\Admin\AppData\Local\Temp\B9F66C69\_Setup.dll
      Filesize

      623KB

      MD5

      a0553660edd8df0a721f256f8ff0fd33

      SHA1

      a9cf68f2fa3bc592669a6db3bea958cc8de76fbb

      SHA256

      6bd014216e185b6b874190024900251b4123c6b08626d77a621fb3c60431c3f9

      SHA512

      d0596f446418158e421c341f3b527e860ad3a7ca2ac552261c654b2b495a7f728e98defd8951987ff14be18e633ecfa205672ce0c1bb6a9125dd1e8a35412d67

      Download Submit

    • C:\Users\Admin\AppData\Local\Temp\B9F66C69\_Setupx.dll
      Filesize

      412KB

      MD5

      ff998dd6838d3d4dfd12559b07bca9ed

      SHA1

      80a6d2f5472c5bdb7e6c6d88079ea1281805550b

      SHA256

      00a7e8d0e0d4755b661038c184671f44863506654f24abcce002a31fa07ccb32

      SHA512

      cc1902435ea04f9c81334d8d710e291b3bbd042758b9c2260917ccbcc35d00dc3ee849d91c574ad36f4bd8f0b68ee5fbc959972bdc154aed603b4ee1121cb1f1

      Download Submit

    • C:\Users\Admin\AppData\Local\Temp\YontooIEClient.dll
      Filesize

      190KB

      MD5

      4bf437cddf8c692738cfa413231c9b3c

      SHA1

      c7390942d0d6579cc2c17dcaa8e20f6025f996cf

      SHA256

      e2070da8e584a4d3c88da655171adc8ba179ebacf70758b1627ffc5f45f7fa5e

      SHA512

      a3b16e2a326cc80c09c012331f716acc27f76c144ad9369b9c608e67c7bfb3745339e0063100a8a9cbf46d9efc884a51c15a0f036c12eb6b49dd97ebf33de26e

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    • C:\Users\Admin\AppData\Local\Temp\YontooLayers.crx
      Filesize

      1KB

      MD5

      d58084315fdd9d9bab1a8a9be2274155

      SHA1

      0265b34ff0a4b03a83ccbe8a2f07cad34f518bd2

      SHA256

      e14f6f82d52151d15640b61fa0fb01ed865e87eb85327e83f40e0684504d0b5b

      SHA512

      258c0d5ed9dfc25d3ea7d86f6eed92954ec8442a0ba2e28f724c8cc4dff84cc3359ab2db686a6d4c29c86a50024612fc9c72aa9a2907e2af5ef3e7ee5002f0e8

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    • C:\Users\Admin\AppData\Local\Temp\YontooLayers\manifest.json
      Filesize

      367B

      MD5

      cc20c74e78136f35fcc5bdceccc5b060

      SHA1

      09633fc57bc67ac36523aa8da16b1fa868c65d36

      SHA256

      df0968ec9c88caa63c1056cf5663477bce092076e498eb5249a3ad0af0c537e3

      SHA512

      faa1c39622fc70b46e21f440c0a63769829c0b2db2fb8bf85c1d7f10deeaec6ef2b8498a26784575b5df9bc0e66089dff413674e01e4c8e6bb6eaee9fdaad8eb

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    • C:\Users\Admin\AppData\Local\Temp\YontooLayers\yl.js
      Filesize

      703B

      MD5

      2f88f7da08ba443199e61da9ac52c0c7

      SHA1

      365ebb9ddd78af59d004f40773f178013ce7920a

      SHA256

      aac0065ea9f223b76f3256a03b8aa5f7dbe42ba99abd57627129cd7dede2c27a

      SHA512

      734b742a5018948317f81939717d8ed9ec991e97f84b1dcc08747857063f33dd2f7fc979e32067999dbe635e5c644449b971cc7588571d9ebb94ee33e22b6838

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    • C:\Users\Admin\AppData\Local\Temp\YontooSetup-S-0DE4.exe
      Filesize

      223KB

      MD5

      173ec2796abc3d74f58a86abd7516a2e

      SHA1

      b2056bf94f0a4d4b9b7e524da425cb2abb499a80

      SHA256

      1e03b1b06bbffabba51d1981f6361a8bdac9902ef2f99bca832674a20163e684

      SHA512

      ca8033a09f8269c37bb301077990fd177b811dde06c7a85aac63ac1805ecf88b39857d5090a844af1f9d14c38b7598807b9a42768ecd6330695d530e69f19153

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    • C:\Users\Admin\AppData\Local\Temp\YontooSetup-S.exe
      Filesize

      1.0MB

      MD5

      e8f0c3af81a302e9e1580f851ad84c5f

      SHA1

      9bc097429b54da7d4e36d169ebaa39e01dae1300

      SHA256

      056dea23f3eeb7a28d3274b094180f56dbac459fb3d45a6a007d48d7956ea595

      SHA512

      1466c0bd85f81b3908b533d842c053ef54cdc5bae53f46b2af230edc5bc2dae9c448985d7e8bbde9eb777cc4436d5e5b98eef3d5e8ceedde4ac7165f701cf23f

      Download Submit