Analysis

  • max time kernel
    121s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    03/10/2024, 16:59

General

  • Target

    0fbdf7bac5f94f2f17416f5e8f7c6228_JaffaCakes118.exe

  • Size

    551KB

  • MD5

    0fbdf7bac5f94f2f17416f5e8f7c6228

  • SHA1

    3248e88f1d989715992e18789a87bda8020122c8

  • SHA256

    49e2f8893c4008fa4f23458ff30b0ba6ea2f56e354bf8c32bb7168f29bfdfba4

  • SHA512

    d0d35c06759786a01ba67d38c7e74a6c82fdfc8d29d8718c1b93cf88cf731f82d3255c8c1c8205d76eeb2d1e44bd96e0af08535e67cbfe552376da52e4d6e522

  • SSDEEP

    12288:h1OgLdaO9gbJuMmFcouJqkXWctn+MEfOQ:h1OYdaO9gJHJJqkXtMOQ

Malware Config

Signatures

  • 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 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0fbdf7bac5f94f2f17416f5e8f7c6228_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\0fbdf7bac5f94f2f17416f5e8f7c6228_JaffaCakes118.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2876
    • C:\Windows\SysWOW64\regsvr32.exe
      "C:\Windows\System32\regsvr32.exe" /n /s /i:"" Jsex.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:1928

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\7zS67E7.tmp\Jsex.dll

    Filesize

    203KB

    MD5

    41b13b132cb601ecc466654b90296353

    SHA1

    245258ddccb48826f22d57444f49fa30be1b36fd

    SHA256

    7fa4bb68c313e1090587a64b90e87bdcbc14ea3fb7c0e8cff94c657c969b70bf

    SHA512

    0e8de7bbe3695848e299fe3f3506f2e982a60cf0a0dd11cde86de4af67ef3c7b46458680d7bad9cedaa266ea33cb2e77f2aa83fcf1bdd20bf31d1936f2bd69a6

  • C:\Users\Admin\AppData\Local\Temp\7zS67E7.tmp\O5fZ.dll

    Filesize

    180KB

    MD5

    0e093772550eb9541dd715c016b5584a

    SHA1

    20338dc859a5652f5661280dc508f4e5b533e76d

    SHA256

    028999304f35f7a6fc2cf6e360d4ea587612d63ce191fa979cc98ccca46ab149

    SHA512

    0030b395e2fde6bc9f70f52e71d8e87d306cff8afd2acbad725c4cc92b6d7916a38c1d6d156feaec841966492d32394982ef51989e2b8673d7c00e103f744dd5

  • C:\Users\Admin\AppData\Local\Temp\7zS67E7.tmp\O5fZ.tlb

    Filesize

    2KB

    MD5

    48e9706fe9f76731f3576122fc3e9e33

    SHA1

    387c8c4898ead8ace488a7df80fead429eaf167b

    SHA256

    7bad79916803a14ca817e5c39f5ec2f0f240044d6dc24fb4916c8fda338060f1

    SHA512

    e9b44a2b1b7a806066182a084ec9df81916fc6db79710256e173377e7cd64a732c006830bbe324a9a734731ecde8b8251cfa995399f6d4df5322faff99c458b6

  • C:\Users\Admin\AppData\Local\Temp\7zS67E7.tmp\Preferences.C__Users_Admin_AppData_Local_Google_Chrome_User Data_Default_Preferences

    Filesize

    5KB

    MD5

    75cc409c1e4fd5e327f6ed30de7da536

    SHA1

    f034d1619c0eb20af17baa23808d13ed1c1dfb4c

    SHA256

    d7eca167292b06ba65a17bc5006567b8e62d013524a947107456f5ea43e160b8

    SHA512

    8f34a7d4ecfbfd30f74f84d9ba8db067d0970cd2e9a79e9edfda29bcf0d68020a18de40d793eb77b740bb98bdc238ae3153884a54517b238af3723ec058fb37d

  • C:\Users\Admin\AppData\Local\Temp\7zS67E7.tmp\candjcdcdolopidnbjgficocgfbpkndi\JQvyp.js

    Filesize

    5KB

    MD5

    75a7e99d510fe0d54fe58154046a5238

    SHA1

    902383de27c5e7dfe15d4a53c15b50e02029d162

    SHA256

    ae7ba40b4a0e22a6bf4fb04cebce098c3c46496f44cd371e209d2992cd3f3bf5

    SHA512

    4607ff6a44f1d83d8f5ec5842b9fe830ec5fa462a6b454ba9d560c9d51eb6242c930adcb5d3a420d283fc1fc320b81f1d585d2cc92600bd6b72196bc735cbd61

  • C:\Users\Admin\AppData\Local\Temp\7zS67E7.tmp\candjcdcdolopidnbjgficocgfbpkndi\background.html

    Filesize

    142B

    MD5

    5b23f0e925af815ffac07abd2a96b9b0

    SHA1

    51c376138f81784b8f78a0ec61ef51ce262a9ad1

    SHA256

    f9061dabca44b14a159a79694b896b327227872d1b751ad0ca119e87b49a158c

    SHA512

    4e7c200af42b1694e233537b9edbd943b38df3141f523c491461d549c195ed1b2511fcea1bc25d51d0bd3d5766d2c966b8564f792acb0868b6c49b1a16e897d6

  • C:\Users\Admin\AppData\Local\Temp\7zS67E7.tmp\candjcdcdolopidnbjgficocgfbpkndi\content.js

    Filesize

    197B

    MD5

    5f9891607f65f433b0690bae7088b2c1

    SHA1

    b4edb7579dca34dcd00bca5d2c13cbc5c8fac0de

    SHA256

    fb01e87250ac9985ed08d97f2f99937a52998ea9faebdc88e4071d6517e1ea6b

    SHA512

    76018b39e4b62ff9ea92709d12b0255f33e8402dfc649ed403382eebc22fb37c347c403534a7792e6b5de0ed0a5d97a09b69f0ffc39031cb0d4c7d79e9440c7c

  • C:\Users\Admin\AppData\Local\Temp\7zS67E7.tmp\candjcdcdolopidnbjgficocgfbpkndi\lsdb.js

    Filesize

    559B

    MD5

    209b7ae0b6d8c3f9687c979d03b08089

    SHA1

    6449f8bff917115eef4e7488fae61942a869200f

    SHA256

    e3cf0049af8b9f6cb4f0223ccb8438f4b0c75863684c944450015868a0c45704

    SHA512

    1b38d5509283ef25de550b43ef2535dee1a13eff12ad5093f513165a47eec631bcc993242e2ce640f36c61974431ae2555bd6e2a97aba91eb689b7cd4bf25a25

  • C:\Users\Admin\AppData\Local\Temp\7zS67E7.tmp\candjcdcdolopidnbjgficocgfbpkndi\manifest.json

    Filesize

    503B

    MD5

    68c44240b3909e9e9186cb7b7f196837

    SHA1

    56d5894163376ad8c077101fbb09e862bee0a4a2

    SHA256

    e62bff68edc2ee23df20b1ab8d4e03b052f3dfb643788f50e2ec82b084e63308

    SHA512

    b042ebf18dd28b36dd614f1d0a82dc57ca83630304ca3c9bf4741585096aba4551dfe3759d27b640b1f8f2da9c0dac00b4d8919c6d8da2531a619d988b101602

  • C:\Users\Admin\AppData\Local\Temp\7zS67E7.tmp\candjcdcdolopidnbjgficocgfbpkndi\sqlite.js

    Filesize

    1KB

    MD5

    61ec0e043a2b1ea022626450db764cd2

    SHA1

    8027b4f42ab5f4585edce2469fbaab1ac690960a

    SHA256

    f56948a8d86a49b5e1291bbb3fc5f0ddac53551964f80632f2b544b1f5f359d7

    SHA512

    e3c044b2906dc5955cf2435fab93ef0281396363de36d6d1ba3fbc0b83130495403704d46930fe4cf7f545a226d00275ee945900d76b5e29d3e143a7aa2a8f82

  • C:\Users\Admin\AppData\Local\Temp\7zS67E7.tmp\[email protected]\bootstrap.js

    Filesize

    2KB

    MD5

    6b311f5e8f5866697528908a5f7d19f5

    SHA1

    39c554a0a643a3f8c02c68191e0fc47463bf9deb

    SHA256

    9e5a37e861fb83ed4a7e922ac663fe942caa4fdc5b5306ffc78440a8f522ed7d

    SHA512

    1437d679353b4dba0782e1c1268363a403f56aa56a929bc7c9ef3ca0c618e48f08c7209d76952f547a7f5b12ffe61ec34c27601b017e4989163bebfc4f974036

  • C:\Users\Admin\AppData\Local\Temp\7zS67E7.tmp\[email protected]\chrome.manifest

    Filesize

    102B

    MD5

    834f0009449d4bc070e686c5ef6ded5a

    SHA1

    53178cb70f4d9fad11274675d90eed756bed98b9

    SHA256

    67812b531490a6ee42c5c70299d64a266847bf8bca189ac88312310a6b059359

    SHA512

    cb60e385bdd9ee69e7d946788cda29283056cd9f9f792e2dda3dd9bccfba1e300d6e5b33e418ecd6455aa58374ad255458e59ff94bd54e680b68a2068713fc2c

  • C:\Users\Admin\AppData\Local\Temp\7zS67E7.tmp\[email protected]\content\bg.js

    Filesize

    9KB

    MD5

    cdd8ac5925b12b0f606682049c54e9ae

    SHA1

    a5a8141dc855baf1cd6854d3871d82e42063d4a7

    SHA256

    0c4c4adf097403f58647c10f4c2b7782132f7cc125b98202d4bca05879679cd7

    SHA512

    4ab64924c1366814312a690a5931d0c3a96f7a5b8b9ecf6e071b3cf888b9ada0fb1ad0d764b9b540d927187d653ae84a94506b2afd7e6e2e2b6ba436bfd37094

  • C:\Users\Admin\AppData\Local\Temp\7zS67E7.tmp\[email protected]\install.rdf

    Filesize

    602B

    MD5

    3295de370f6f2ac9f31e296b119c2a07

    SHA1

    ac91a70cdf82f77db97aba11ed9e894e1e119cda

    SHA256

    ea0c1ee4b4ca04a18a00211b9c02d75e79c7d47afe8d19682c7b1d48dea7b45f

    SHA512

    91394b79048379bd2117506a9282d0553cd4e009bf666b204705a6dff5d17959746318d73e9aff7c5a55ec590fa0551fec439769219517116ebf7e16cc7cbe0c

  • C:\Users\Admin\AppData\Local\Temp\7zS67E7.tmp\settings.ini

    Filesize

    7KB

    MD5

    39b6a54c10deff96be2c471c0e2559dd

    SHA1

    0da88d5861ce0118a19779844e2b7b30b7f98fea

    SHA256

    a5e44fd5c2ccf990a60df50d36dec964113c06e26590ca5afc4675d712acd227

    SHA512

    4133cd71cd214b33fdaf7f7a0c8402921ad1a801c8c7e5e5291fa8941b5ddd74e1ac5d31118bd5c38bf27317a4cc654c4fefb156964039c7877313496123440d