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Analysis

  • max time kernel
    150s
  • max time network
    133s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/08/2024, 15:49

General

  • Target

    c11192dc6211e591dca1454c40404a7d_JaffaCakes118.exe

  • Size

    512KB

  • MD5

    c11192dc6211e591dca1454c40404a7d

  • SHA1

    809c6aa8d2232d7bd79e82af9c6344ed093a8527

  • SHA256

    f2967282fa56e471a8df2ec0fda6d88b4fb44db6833d8952050c8bf72511b7e6

  • SHA512

    b59214b9b4b0453ae7ce5b7d67a021fb0804f8da20d903b85813d9ed6075a5d14b2b9b0bcb483ea81caa737dd57607524e8917c25eb58151b9ccc5be48e3cbee

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj65:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm5S

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 5 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 5 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Windows security modification 2 TTPs 6 IoCs
  • Adds Run key to start application 2 TTPs 3 IoCs
  • Enumerates connected drives 3 TTPs 64 IoCs

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

  • Modifies WinLogon 2 TTPs 2 IoCs
  • AutoIT Executable 13 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 12 IoCs
  • Drops file in Program Files directory 14 IoCs
  • Drops file in Windows directory 19 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 20 IoCs
  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of FindShellTrayWindow 18 IoCs
  • Suspicious use of SendNotifyMessage 18 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c11192dc6211e591dca1454c40404a7d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\c11192dc6211e591dca1454c40404a7d_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Drops file in System32 directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:3884
    • C:\Windows\SysWOW64\wlrdlzwxki.exe
      wlrdlzwxki.exe
      2⤵
      • Modifies visibility of file extensions in Explorer
      • Modifies visiblity of hidden/system files in Explorer
      • Windows security bypass
      • Disables RegEdit via registry modification
      • Executes dropped EXE
      • Windows security modification
      • Enumerates connected drives
      • Modifies WinLogon
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:1216
      • C:\Windows\SysWOW64\vsmjsvft.exe
        C:\Windows\system32\vsmjsvft.exe
        3⤵
        • Executes dropped EXE
        • Enumerates connected drives
        • Drops file in System32 directory
        • Drops file in Program Files directory
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:1768
    • C:\Windows\SysWOW64\ytrpvarbjhcbxco.exe
      ytrpvarbjhcbxco.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:5000
    • C:\Windows\SysWOW64\vsmjsvft.exe
      vsmjsvft.exe
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2264
    • C:\Windows\SysWOW64\johkhuaatfhdk.exe
      johkhuaatfhdk.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:3304
    • C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
      "C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Windows\mydoc.rtf" /o ""
      2⤵
      • Drops file in Windows directory
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      PID:2504
  • 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=4236,i,3210801877307184477,8078594481454001567,262144 --variations-seed-version --mojo-platform-channel-handle=3936 /prefetch:8
    1⤵
      PID:3972

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.DOC.exe

      Filesize

      512KB

      MD5

      bc79cca8f80c213f7c5e166944414e19

      SHA1

      69f46b0ba872628d07d492dd95b5764558b37f0c

      SHA256

      497728b006576aa4a80fd1cfbbcda6ebaa0243dc30d5df8e5210ba15f1473dea

      SHA512

      8843dc1ed4efcf272e787426f5085d9c48c171f6a973f99d7bf74478d9112fe73a582933ebde78a71637edf67f3a09ecd2011965405cfe9e39556691ccaa7f25

    • C:\Users\Admin\AppData\Local\Temp\TCD8AAA.tmp\iso690.xsl

      Filesize

      263KB

      MD5

      ff0e07eff1333cdf9fc2523d323dd654

      SHA1

      77a1ae0dd8dbc3fee65dd6266f31e2a564d088a4

      SHA256

      3f925e0cc1542f09de1f99060899eafb0042bb9682507c907173c392115a44b5

      SHA512

      b4615f995fab87661c2dbe46625aa982215d7bde27cafae221dca76087fe76da4b4a381943436fcac1577cb3d260d0050b32b7b93e3eb07912494429f126bb3d

    • C:\Users\Admin\AppData\Roaming\Microsoft\Office\Recent\index.dat

      Filesize

      332B

      MD5

      8f6155f5e2f72b312a17ad3c61a691b2

      SHA1

      360fc32464fbf552544b0154f66a7943b2961d64

      SHA256

      43e0745ccd26e7dab50bda0f99dc11639a882a681e79f9308b0d5819c774c3ed

      SHA512

      2540ea798cd1f07b77e2094159939496c35e00644d423b5bf56964f1dfd08a2807c47144e7da2af2d45470489fd470b3a901aa5ce57661598b40d58f00b4d909

    • C:\Users\Admin\AppData\Roaming\Microsoft\UProof\CUSTOM.DIC

      Filesize

      16B

      MD5

      d29962abc88624befc0135579ae485ec

      SHA1

      e40a6458296ec6a2427bcb280572d023a9862b31

      SHA256

      a91a702aab9b8dd722843d3d208a21bcfa6556dfc64e2ded63975de4511eb866

      SHA512

      4311e87d8d5559248d4174908817a4ddc917bf7378114435cf12da8ccb7a1542c851812afbaf7dc106771bdb2e2d05f52e7d0c50d110fc7fffe4395592492c2f

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\fb3b0dbfee58fac8.customDestinations-ms

      Filesize

      1KB

      MD5

      23b6de30640fd41be2c5e4c2d72cbac4

      SHA1

      9f3774466334458de92501c90510c0adf305c304

      SHA256

      89d821cfa0420c30a347037655ac4a0544b5d8bbc50c50bedbea7c45e9ead345

      SHA512

      c0d9e083b277e418d49695626ad1d6aa5d23ff87e5804efc93f33190313ecb303ff8244df2fe2c4cf38e57db153c605d36c0b7d3e4888f83690e425046816c38

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\fb3b0dbfee58fac8.customDestinations-ms

      Filesize

      1KB

      MD5

      44bf416b36071e57a7c32e21fb965af6

      SHA1

      bd97f34562bdce776a9e866eee9befcd271bda2f

      SHA256

      cdf55258082c0fc878963f4d3c6a678bd5e0780fe24a05934e9b3e3aae5261c5

      SHA512

      7df322cd06ce2ee0105c3ef665cec77c5f02c55b45d1c0f339ce71343e6df8be7656742621b0b02121f476584fcc4732c30ad1d876696f8fc88893fd44e862f0

    • C:\Users\Admin\Documents\LimitCheckpoint.doc.exe

      Filesize

      512KB

      MD5

      684142321325a76ac78855c5f83331e6

      SHA1

      b7cd3799054ee959ce6f489146a1f0e51758deb8

      SHA256

      97819acd1e54f91b799e52361f6547b2e85a9392ba1f71eba172e70b73f187eb

      SHA512

      10bf8bfc926e09a1c1c78555adebb482634a11c15379290f55e1ede43ecea071e282d27a7cac9ac3b21fadb7a5c1ca2984cdc0a39c788ede10578abd4c779071

    • C:\Users\Admin\Documents\NewClose.doc.exe

      Filesize

      512KB

      MD5

      fcae0b6dfabb12a6d598e7ef16be5723

      SHA1

      4f7c3646a8d59449d102e86ba2c4e3a40c6e6df5

      SHA256

      6bd36f655ad9c0ce3ee7957744b2051cfe2e519c70b27cf591e1b5cc3d29d75b

      SHA512

      1d4b46c94e22f165e815d67fe4a3a4dec4dd41a11ba863e132fda26379e8c8b12f60d73ea205996256bac7c2a10c6330c839e5089a979a728bc7bffb6a33f011

    • C:\Users\Admin\Documents\TracePublish.doc.exe

      Filesize

      512KB

      MD5

      5f65eebb0db1dfd5a1a09da50f29a51d

      SHA1

      4da70f718baa2d607e9373839af14e20efde1583

      SHA256

      4a8acc28b42ff81f71723fce780b51784d9647136fb4b67c126e052eea43ff63

      SHA512

      b54c8adff8dc7055b86c0e17dd85bddcf9494e9afc62553e861dbfdb056bef87348c3d123cfc561880024192539da2ed2b83ec04cd975b8d5e0b7adb49dde381

    • C:\Users\Admin\Documents\UnblockSend.doc.exe

      Filesize

      512KB

      MD5

      69a578c849496bd6e8fd3cad905d6682

      SHA1

      7a55e4e3830fb77ffe9c7fcb01cabbd73b99af27

      SHA256

      fadb63a958f3240fa1239e7188451efd770a1b0feb848ee695679e115ce6dd14

      SHA512

      8df157b2c8e1c18a0b5f292fe4ca34f7c702e8361c0aed8049c4cf22fddf0b27b648443546e8a582f745cdc8f98cf7233b630b6b3daa76697eb18fc05941536c

    • C:\Users\Admin\Downloads\LimitUnpublish.doc.exe

      Filesize

      512KB

      MD5

      d9e9f06029ce3ab2752b9747447a3123

      SHA1

      dc676c696a23653b837d414737da0b6acad12d85

      SHA256

      cc0c9da5c98ddeb6ce2c58cdebe0937e64c0a15f0bc77847b4e6712078e13204

      SHA512

      5f6f2298b0d08972e92857d718761523f0d50ce0940975a93408ba8fca2a297ff8e8cb79f51a67011a5d56dfc6b8d20194da2567d55a5685f9e8a9ed371591e8

    • C:\Windows\SysWOW64\johkhuaatfhdk.exe

      Filesize

      512KB

      MD5

      f6a547ed7bc2c8c495b9641f92bbbd2e

      SHA1

      1ab6479c5bac86db642f2f1ee6df9a229dd6ed11

      SHA256

      0e6953f219a83f4e24bc32da6b201746d1f6fb472caf431e5b26ed97db90c049

      SHA512

      6d8f5143405791be1afe6fc2a92a01ef9429d705867bc6c1cc5484f367c7c34c95ed4a5308eb9773caa8f8508519b71ab6eb85a81a9e964e99e2f5f6ed4f65ec

    • C:\Windows\SysWOW64\vsmjsvft.exe

      Filesize

      512KB

      MD5

      c70d91163e353b71f69f17ceb2360a0c

      SHA1

      ee79fbe56772ecd23a766dac9dd7b56770c34795

      SHA256

      1549350e5269a3bcf53141da31b161dc6d40fee1bfa40524c0fe63a881698527

      SHA512

      ab8401e030f51c03048aa93fd521a646be694e73328c95ec11e9b2bf6aaf0e498ea37f727d99e110048645fbfde25eef35322af6d3f2919c1cfefc04b9ec9e04

    • C:\Windows\SysWOW64\wlrdlzwxki.exe

      Filesize

      512KB

      MD5

      239ab67a31bef0951d48c721b3957d55

      SHA1

      97e8916722523a4fa80dfd8e9a40eeae6eae4d68

      SHA256

      f9447ef69ed9a69921c0e844825e852f1cdee57ec4e1c4abab41a5fe38bd3e54

      SHA512

      17066df8d70c0e908b7b6b9a92a6b3e0ac9375c9743b701f49ffdd0a35f60edb19968472b83343b05ff7a53eaf7f8518f53afbe74726d268bdf64749b8de5608

    • C:\Windows\SysWOW64\ytrpvarbjhcbxco.exe

      Filesize

      512KB

      MD5

      16622da6e5d4565b830c33cf876c2a8f

      SHA1

      6610e80be970bac8ae2f7a3599cf75caaebde7a3

      SHA256

      f18ac3a1a433f97fb92031cf9172b16e092e3466ff68abc5d16a891091250a75

      SHA512

      59eabef144fe39218252bc5bf5f941659cebbd5659eefd04e48c92ebac5c9ce192abb8209811ab22e605231546cc31387f479f82cb7d46113f47f2dfc4479069

    • C:\Windows\mydoc.rtf

      Filesize

      223B

      MD5

      06604e5941c126e2e7be02c5cd9f62ec

      SHA1

      4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

      SHA256

      85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

      SHA512

      803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

    • \??\c:\Windows\SysWOW64\MSDRM\MsoIrmProtector.doc.exe

      Filesize

      512KB

      MD5

      259d9e3206c793264ad393e0d4d3f369

      SHA1

      b6fe8a74f39ef0e80175ace8abca1c9d104b31d7

      SHA256

      f1905e366652863bfc3337c3b3a9a6af0912e5cac46cc2b1b61a64a0ba6d9a84

      SHA512

      84565441e20cb58abd8f517d85bb2fecedcbde9703b4de80c5830ba5aa2bc4c9ef61635572305683cadda5eda38bed62520a4b7077a346d174ec94843ccfe960

    • \??\c:\Windows\SysWOW64\MSDRM\MsoIrmProtector.doc.exe

      Filesize

      512KB

      MD5

      337510bc2e98385803b98c14a5d40d27

      SHA1

      9248613319b52608c72dcab10271e815f113c2bb

      SHA256

      1c3820e369f27a6936750cddcddfc60b9bc3842e7049e19b233a065b5820bebe

      SHA512

      fe7f99da45e431a9d5c802c1cc956b5f5dba040c5f95808db7fffc8d314dc76ecb35df103e467bddc967b45e9e47ba3852fbb7fe1646ef3cedb4feba24627c2e

    • memory/2504-41-0x00007FFDC7FB0000-0x00007FFDC7FC0000-memory.dmp

      Filesize

      64KB

    • memory/2504-40-0x00007FFDC7FB0000-0x00007FFDC7FC0000-memory.dmp

      Filesize

      64KB

    • memory/2504-39-0x00007FFDC7FB0000-0x00007FFDC7FC0000-memory.dmp

      Filesize

      64KB

    • memory/2504-38-0x00007FFDC7FB0000-0x00007FFDC7FC0000-memory.dmp

      Filesize

      64KB

    • memory/2504-37-0x00007FFDC7FB0000-0x00007FFDC7FC0000-memory.dmp

      Filesize

      64KB

    • memory/2504-42-0x00007FFDC7400000-0x00007FFDC7410000-memory.dmp

      Filesize

      64KB

    • memory/2504-43-0x00007FFDC7400000-0x00007FFDC7410000-memory.dmp

      Filesize

      64KB

    • memory/2504-635-0x00007FFDC7FB0000-0x00007FFDC7FC0000-memory.dmp

      Filesize

      64KB

    • memory/2504-634-0x00007FFDC7FB0000-0x00007FFDC7FC0000-memory.dmp

      Filesize

      64KB

    • memory/2504-633-0x00007FFDC7FB0000-0x00007FFDC7FC0000-memory.dmp

      Filesize

      64KB

    • memory/2504-632-0x00007FFDC7FB0000-0x00007FFDC7FC0000-memory.dmp

      Filesize

      64KB

    • memory/3884-0-0x0000000000400000-0x0000000000496000-memory.dmp

      Filesize

      600KB