Analysis

  • max time kernel
    95s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-10-2024 19:52

General

  • Target

    104d8b1c35f1089e5d39a2b389deda13_JaffaCakes118.exe

  • Size

    1.1MB

  • MD5

    104d8b1c35f1089e5d39a2b389deda13

  • SHA1

    92ac9180b598eeff4379e689527964289e669af6

  • SHA256

    90e3d47c8d9a1ff861c468c02ed7032b0f5810ebc5c9679d819974f3ce00d8c9

  • SHA512

    cef8e048975289abc48c5e534e9a37dfca5215a5279b913fbaf52a5fd6a7f7760801b61de12b0c4ee51fb12d670eb93d8f955d32f5b51fc0940323159ed6048c

  • SSDEEP

    24576:h1OYdaOOOBsFEt5hDG0SAMs9jR/jaJnTJdwY68+UhnWb3aQG:h1OsjOEt5hDG0SAMs9j8nTJ2Y68hWGQG

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Checks installed software on the system 1 TTPs

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

  • 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.

  • 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
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\104d8b1c35f1089e5d39a2b389deda13_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\104d8b1c35f1089e5d39a2b389deda13_JaffaCakes118.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1076
    • C:\Users\Admin\AppData\Local\Temp\7zS8B38.tmp\udF7z.exe
      .\udF7z.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops Chrome extension
      • Installs/modifies Browser Helper Object
      • System Location Discovery: System Language Discovery
      • Modifies Internet Explorer settings
      • Modifies registry class
      • System policy modification
      PID:3928

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\7zS8B38.tmp\3864042152.log

    Filesize

    6KB

    MD5

    db39406e801c2b7a4ac5d043c50c3c60

    SHA1

    aa1825630eb4330a6b24e1f754cdeac69204235a

    SHA256

    6a3ba5514cb47fb57f7e7a4926f054608330ce8cac8aec28c58770ba1314d0df

    SHA512

    e8cec8b4461ecb090910aeba34df72871b35a69ad0babf4d7b62c3f15bdf00d188b0cca782f4d6eb58cc783c2fb651b2f12f81add817fc918dd52957fcad1ff3

  • C:\Users\Admin\AppData\Local\Temp\7zS8B38.tmp\bi9Z.dll

    Filesize

    258KB

    MD5

    e1d10cccd5dde588af8ee2cb7309523c

    SHA1

    0b9e805077320b0ce1e6620488bd34f1c4d7827e

    SHA256

    9900e517bfd4b39bd7af4bb360af52f6c95ef9b3e7ef36d2633485c58bef9a1a

    SHA512

    a929eaae12f5cb28e224fc31298af2808f995c5a06bc6f47d95879703dbb9369e2e35b4e50a452e91741e6a949336220348dbb3c389c46ea2e0ca41f592dcaa0

  • C:\Users\Admin\AppData\Local\Temp\7zS8B38.tmp\bi9Z.tlb

    Filesize

    2KB

    MD5

    9156db5f76d48049dbc41fd1b58b3f34

    SHA1

    5eb1df59f9b5b06ab00137fc9e6451e323d3102c

    SHA256

    66fab808188a98ba49d99b723a181aa6626197d50bd2d5e15e076dcbc6fbb2cc

    SHA512

    742a77e71c34632146e16acadb6b381694072c7f4c2dea1df1dfc645ed42673ba153c832d167474dc41f9b608142a8c41b4aecda1efdab90d87d4f5c718bf149

  • C:\Users\Admin\AppData\Local\Temp\7zS8B38.tmp\bi9Z.x64.dll

    Filesize

    319KB

    MD5

    4f5c722b8686afbea6f09c53171d44ca

    SHA1

    184c60aafbb12d1023b1ce2aff4d3708607a75a1

    SHA256

    870c280ea861313edda0bd3950dc738ea68d006f315888d66023b54e5f98f0ea

    SHA512

    e471a86079a16d129ea0c01878af77d1aa132e629832d3f0f3d1f8a3dd250ed41c8d2f37403a10c8061fff07c07dda926ba7ffcc417c6e0100005a0f2721417a

  • C:\Users\Admin\AppData\Local\Temp\7zS8B38.tmp\nhlhbimipebbhececjgmaneofidmomli\background.html

    Filesize

    142B

    MD5

    a6cbe8f481b4141b014effe67ef7115d

    SHA1

    b3379fe3d0a825a18b4691e0b91df92890f88187

    SHA256

    a47e6ccefe5895ed3e6f808c9e8a595d2fdaff9cc908aa5feb8d30f7c7e07db2

    SHA512

    2c00f7a6b18974658fea970b3d43a89f280d498e79b05ce14ac2f583f82e8b3bda0cf402cc380b67b482c09a3a955c725c86574feeccbc495f53fd5a079e666e

  • C:\Users\Admin\AppData\Local\Temp\7zS8B38.tmp\nhlhbimipebbhececjgmaneofidmomli\content.js

    Filesize

    197B

    MD5

    5f9891607f65f433b0690bae7088b2c1

    SHA1

    b4edb7579dca34dcd00bca5d2c13cbc5c8fac0de

    SHA256

    fb01e87250ac9985ed08d97f2f99937a52998ea9faebdc88e4071d6517e1ea6b

    SHA512

    76018b39e4b62ff9ea92709d12b0255f33e8402dfc649ed403382eebc22fb37c347c403534a7792e6b5de0ed0a5d97a09b69f0ffc39031cb0d4c7d79e9440c7c

  • C:\Users\Admin\AppData\Local\Temp\7zS8B38.tmp\nhlhbimipebbhececjgmaneofidmomli\gx9Yy.js

    Filesize

    5KB

    MD5

    e30f2ebac3594e824ed543edceab7cb8

    SHA1

    397b0b36c5571a937ce01d39d2650a17cd870f6e

    SHA256

    29a31042c48aa0524540f0e7a1a89f4d9c89331559c1486da3b5d2e640a25511

    SHA512

    a44e9b6a32835b9d816220748e413a03ef5635089a0b20656f2440098d1f9ebddb96f19f9d161653ed71848aa5fa3c8f9df6e4af72af0f1fe610562d3936a074

  • C:\Users\Admin\AppData\Local\Temp\7zS8B38.tmp\nhlhbimipebbhececjgmaneofidmomli\lsdb.js

    Filesize

    559B

    MD5

    209b7ae0b6d8c3f9687c979d03b08089

    SHA1

    6449f8bff917115eef4e7488fae61942a869200f

    SHA256

    e3cf0049af8b9f6cb4f0223ccb8438f4b0c75863684c944450015868a0c45704

    SHA512

    1b38d5509283ef25de550b43ef2535dee1a13eff12ad5093f513165a47eec631bcc993242e2ce640f36c61974431ae2555bd6e2a97aba91eb689b7cd4bf25a25

  • C:\Users\Admin\AppData\Local\Temp\7zS8B38.tmp\nhlhbimipebbhececjgmaneofidmomli\manifest.json

    Filesize

    501B

    MD5

    977e11ca13c3e242d4a436e3f7a31661

    SHA1

    3e40072591e887a3558eada10ca5ceaef90f3118

    SHA256

    fcd05ee0e7ae52ad61014b65bfe87e8185feb6f6352f3103cef2d003a6b766cf

    SHA512

    7a23081aafd38cba0bd1f1046be3b15922448280c6a338684f7f1ff5cd938d78935f380c0860deca6a89f8eba77b0d46a1362cfc17ebcf28c0459705f7e1ccc8

  • C:\Users\Admin\AppData\Local\Temp\7zS8B38.tmp\nhlhbimipebbhececjgmaneofidmomli\sqlite.js

    Filesize

    1KB

    MD5

    d8aa34f003ae5f89d09d50717cab657c

    SHA1

    1c64cb6348db8d1ae61dc2d918d89b4c3ba6a7bf

    SHA256

    6375e13e191b27c1433f3176c07672d1f20996af04b93bc8fbc26c6fef2ebd6b

    SHA512

    4b9777f282f89200895e20786dc13bdd2f9add3439b16d69b643e1f3314fe30b08e2a30cedfd15b4fedccb80bdbd25461e1a28f963f94ce8e78406b4f3439310

  • C:\Users\Admin\AppData\Local\Temp\7zS8B38.tmp\udF7z.dat

    Filesize

    5KB

    MD5

    67e99617aafc67c8e513c47e111e9ec0

    SHA1

    55d43b0450e030cc36fd45e52ccc4e60b635d89e

    SHA256

    801e5513fb5d08b74db5d7ae2093d253112b78f621786cf675f488d335213779

    SHA512

    5b99b46f28d1dc4652ae5e27702b3101bc59c2162d66aee3ad400e45331780f452104bdfe59911199b74e1522e93cf6f41ea7406518f87faaf0ac0124fc6eaf1

  • C:\Users\Admin\AppData\Local\Temp\7zS8B38.tmp\udF7z.exe

    Filesize

    334KB

    MD5

    8300c91b40229b42301aebc6d8859907

    SHA1

    0b55e56a6add6b4dd4ceff475a0018a203d02a5a

    SHA256

    f54a6814ac06c70ef5b738eca4855e49039783d96b70ba1ae461bd90877e53b5

    SHA512

    0863750da143e1707513f4a2efe1ad6cf81f5a819c7d5496d1629745afffcf72338aa9de90479d5e0936e848f9b260c434fd369027c56be175814086cafd4d8f

  • C:\Users\Admin\AppData\Local\Temp\7zS8B38.tmp\[email protected]\bootstrap.js

    Filesize

    2KB

    MD5

    1b53c596cfb1aa2209446ff64c17dabd

    SHA1

    2542da14728dcdbe1763f1ee39fe9ceae38ad414

    SHA256

    a7dfea4bf7e1d46a8b8e64ccfb2cf35017e3a5b350eead26d6671254d2b3c46f

    SHA512

    be54481675c38ef6a41697cf8cd3ab5a0b126922b192732a9c587dd8905b74b66c79eb0c849f62bbe8934979a894be63734b0ad59ffae295f5797cbfaa327030

  • C:\Users\Admin\AppData\Local\Temp\7zS8B38.tmp\[email protected]\chrome.manifest

    Filesize

    102B

    MD5

    f79955995cab536dfe9a31ee1cfdc0a6

    SHA1

    62566cc2309608869c2b144ca77a8ee554fe6fbe

    SHA256

    fc6d5951865e6955b540a973110368001f2f3481f3e19d099b4aad8f67ba9860

    SHA512

    4185ad7f5053d4aff44daa062f490dbad8000af8cda6feca671d5640df57e7022e8ceb3aca1909d8c801c089dcf1768e768ccedbf313cac873ab6657b53f8b8e

  • C:\Users\Admin\AppData\Local\Temp\7zS8B38.tmp\[email protected]\content\bg.js

    Filesize

    9KB

    MD5

    94cd940a827ffd0c94180cdf4a24e885

    SHA1

    31c36b072e00397d27eccaeb351bd1c20f80466f

    SHA256

    a70531e382fb7c2cbca85da668b820ed29a6ba5d06ab8d009bee4eb1a04ca145

    SHA512

    8335867e96b2bbc931f84e6193a26d0f9bca2f0b40e85809c1ecc0eaba18eade78aaa07b3afd27ec113a40345b9ec6e7c81b308a29f456543a316c21b41e526e

  • C:\Users\Admin\AppData\Local\Temp\7zS8B38.tmp\[email protected]\install.rdf

    Filesize

    607B

    MD5

    347d9ab06014d828ca11114cad369eb8

    SHA1

    55f7bbfe8837d6a51cbf54d1a08f463f75aaf2b5

    SHA256

    327e1c05d466477b4ecd80464b128fd97842d41998c433edcfab9e5dcd938831

    SHA512

    62fa09af9603a66c81181ee15215d93feb5d4935c5b499425adb737b8c5e3dee001865e6aaa340de673cf80514a9c2364fe1c6bc47081dd649ae95ba9f74f896