Analysis

  • max time kernel
    158s
  • max time network
    194s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/12/2022, 18:33

General

  • Target

    63019700190537491f73e126552c4b01a1a9fdac40ba68ee64b6cd841b6f02b6.exe

  • Size

    245KB

  • MD5

    2e4efab0129117c93c0de5c25b571630

  • SHA1

    a7d7644c129d6ed70221eefdca3ba0c11b7f3853

  • SHA256

    63019700190537491f73e126552c4b01a1a9fdac40ba68ee64b6cd841b6f02b6

  • SHA512

    f212c2b147a2d0b60167ab1b6e3674f06ea5649a66008209c0b6f0f241b296432e19b4e312af922a01cacc4df7fff6ff1c260f5a29da9bd9f17062d86adcdb02

  • SSDEEP

    6144:h1OgDPdkBAFZWjadD4s5B3Tr0epa50xqDIN:h1OgLdaOlr0e850xqkN

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 2 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.

  • 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). Likely ransomware behaviour.

  • NSIS installer 4 IoCs
  • Modifies registry class 63 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\63019700190537491f73e126552c4b01a1a9fdac40ba68ee64b6cd841b6f02b6.exe
    "C:\Users\Admin\AppData\Local\Temp\63019700190537491f73e126552c4b01a1a9fdac40ba68ee64b6cd841b6f02b6.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1268
    • C:\Users\Admin\AppData\Local\Temp\7zS3662.tmp\50786115f26e2.exe
      .\50786115f26e2.exe /s
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Installs/modifies Browser Helper Object
      • Modifies registry class
      • System policy modification
      PID:4152

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\Codec-V\50786115f2718.ocx

    Filesize

    126KB

    MD5

    d637295a8426c7c4a8e9ef3e584839a2

    SHA1

    55b64f53328498d22d269de2e65be2feeba7da00

    SHA256

    5cbd7f4b8f991ccab51cfc1fd0a5437013c5196f3c636632d691103aa3708adb

    SHA512

    f60f908b9f0efd4762255c9c71559bbd554714170262dd556353ddda55789d21cc3a8ade239cdf51da38dfa4e92714749c217095bccac19590ef8347ca501c8c

  • C:\Users\Admin\AppData\Local\Temp\7zS3662.tmp\[email protected]\bootstrap.js

    Filesize

    2KB

    MD5

    19a8611780e8824d3b2fa65197facb0c

    SHA1

    0703a434bfaeb7392324312a8117f2acf7b6b06c

    SHA256

    c5407a1cfa39a8ccf6bce2d7144023f0713a8434fa29bd004d7628a3d8ce28a5

    SHA512

    cfdef2ebe27af43d73f74264a1edae81e77eea41e312ea8b8df032547f38b131964824738f5ad91366f48150f62886aa7e0edd7403f2ecc9d1821e9e9f0bdc59

  • C:\Users\Admin\AppData\Local\Temp\7zS3662.tmp\[email protected]\chrome.manifest

    Filesize

    116B

    MD5

    9a25b41a378e50f7177e18afb5f7fde7

    SHA1

    579a20bb4272a1e84d4f8379617af3b4007106d8

    SHA256

    0531c1063348fb1d2a41a929368e923b82df5c1102e1680b1c1a6e215bdc97b6

    SHA512

    dc0797d0e6dc174cc59f8972724be3f58a66fdaba5200f822896b7d5c01582089bb71328d89ac2929f18fa9fccc658ee57f03aa9054d66851ed8d8bf758b3d9c

  • C:\Users\Admin\AppData\Local\Temp\7zS3662.tmp\[email protected]\content\bg.js

    Filesize

    8KB

    MD5

    a1b3a89a65b5a24ffe237aff9b3eaff4

    SHA1

    ba1a0847f0d5800870c8f1a661acc7edf5af2a04

    SHA256

    c4c602a9bae0c665c482f3ff2f5bd69189c40dd988add9a7dd755cf1ed2bfba2

    SHA512

    5d04825a2cd5deeccd9ac11ede7360cddeddb659179022f6d4805c1e0d2ee0a73ed684ffb42878b42443f008eb23577ba2bf988b533497f39a8f8ac77c767425

  • C:\Users\Admin\AppData\Local\Temp\7zS3662.tmp\[email protected]\content\zy.xul

    Filesize

    225B

    MD5

    2ddea759af911f5d1fd6ed23cd5f7871

    SHA1

    5e9d6f309db22c5cfc0053d8c9c95014b717f40b

    SHA256

    7ad0a3e8e96e335eaca202ced4bee39cfaf2e8c6e99e29c0f156f3761e05405e

    SHA512

    bb60b04957f3b9fe95c2a00d351577558cd543722a760baabb3d12e941ec084c55c9bbb1082892a56bf87a4f6697cfb2b85b59d6726dadeb7539e9ca065afbd9

  • C:\Users\Admin\AppData\Local\Temp\7zS3662.tmp\[email protected]\install.rdf

    Filesize

    715B

    MD5

    b9a007d406265b669d917de4cc72e73b

    SHA1

    667ede7ffa4abfe0e7f318c33729841beee7c757

    SHA256

    1699948740a321e3a700d7e005c49488e623c63348e0d2db96b8ca787bb3a41d

    SHA512

    6fb6273a8edea7e17ab25258673f800ade147dc52ab22d62d3895758e7b62a63b1350b3381901bbb197efb552cbbbdeb2e517963248826b2db39d2fea8f7114e

  • C:\Users\Admin\AppData\Local\Temp\7zS3662.tmp\50786115f26e2.exe

    Filesize

    65KB

    MD5

    6fce522ef2543f1cd8812f45c8718ba6

    SHA1

    270c89c05963c0f24f976f6b75aa4d12ade4c837

    SHA256

    d75c34545066eb787ed671c6d4ce4f4c6267637518ca683dfefb79f95f14226b

    SHA512

    a0a486b95aeb9c059f23e639e16abdbfe94b041f33309b44e95743bf5a82f92d3c444c025b6c36a0dc296add3c2bc4f6affcf130014f16968be0afa8e0007880

  • C:\Users\Admin\AppData\Local\Temp\7zS3662.tmp\50786115f26e2.exe

    Filesize

    65KB

    MD5

    6fce522ef2543f1cd8812f45c8718ba6

    SHA1

    270c89c05963c0f24f976f6b75aa4d12ade4c837

    SHA256

    d75c34545066eb787ed671c6d4ce4f4c6267637518ca683dfefb79f95f14226b

    SHA512

    a0a486b95aeb9c059f23e639e16abdbfe94b041f33309b44e95743bf5a82f92d3c444c025b6c36a0dc296add3c2bc4f6affcf130014f16968be0afa8e0007880

  • C:\Users\Admin\AppData\Local\Temp\7zS3662.tmp\50786115f2718.ocx

    Filesize

    126KB

    MD5

    d637295a8426c7c4a8e9ef3e584839a2

    SHA1

    55b64f53328498d22d269de2e65be2feeba7da00

    SHA256

    5cbd7f4b8f991ccab51cfc1fd0a5437013c5196f3c636632d691103aa3708adb

    SHA512

    f60f908b9f0efd4762255c9c71559bbd554714170262dd556353ddda55789d21cc3a8ade239cdf51da38dfa4e92714749c217095bccac19590ef8347ca501c8c

  • C:\Users\Admin\AppData\Local\Temp\7zS3662.tmp\50786115f274f.html

    Filesize

    4KB

    MD5

    848d7b53507c6d56d7f8f283bbddccf0

    SHA1

    3a51c864e3292041fa1cb5d4ca159602b488c5b3

    SHA256

    c2d30ea7b007bbe5a8a70c78ad0c91179a4bf48b09a9b33884ff92e46727b776

    SHA512

    26a3c2245312a3902fd5fe3442a2259b8de27660ee5673746fdfb7b3411d317dca64f209a0699e2fa08fa639d3810cc06ca752545c5d37f686404ab9293f115b

  • C:\Users\Admin\AppData\Local\Temp\7zS3662.tmp\50786115f2785.js

    Filesize

    9B

    MD5

    99fa5d714d971a49b67de27e0d8871be

    SHA1

    d0621e846ea60fa8d0b2c8e622e495af49cd7359

    SHA256

    f560d76474380da948a0c5ab8682dc026822d9685268c592f315224b1b968bf6

    SHA512

    2fec19e4f2a974227922a7e057890141523ae73fbfa127f9e8cd00dff71b29abb93cb865c6d74ecf3df8bca440c558d4fbf2f80e82cc9636320ab5edb95ebad5

  • C:\Users\Admin\AppData\Local\Temp\7zS3662.tmp\iakdkmaahkmiigmbgagkafopncplkffm.crx

    Filesize

    7KB

    MD5

    da49c3ab1107ec628f38d36e4ccefeef

    SHA1

    510a2b9a68e73d031ada34baf1de68a89f46580e

    SHA256

    b47fa83ceb2d79455d4162fe0ec748fde0982597e30486d9315a8d64797d76e0

    SHA512

    1e67cd08bb06563dafa75844b15de5431a43e04f01953ed2707e3c10e9888faa6dd604dd22422f2e0ba9140eed29b1758c5d828996d5cb965b6baf4c962aa21c

  • C:\Users\Admin\AppData\Local\Temp\7zS3662.tmp\settings.ini

    Filesize

    903B

    MD5

    da4500ffdc5ae1fa9dea8c0d40240fe6

    SHA1

    32605016cd3507c47e129bac4409f4d5993e49b9

    SHA256

    e07a210c2815bf97f9118c29e3f4cf1897827766f06cd08e62dcb4381c42bbce

    SHA512

    b3e456ec72ed0a0a3aa94d290fe1fe28a0f60b420a78274adae3399f26d52cc3eb44a39dc75025917d79b3649b4a7fcaea0ae3d16e0b2292c6f293cfe4396ce4

  • C:\Users\Admin\AppData\Local\Temp\nswA365.tmp\UserInfo.dll

    Filesize

    4KB

    MD5

    7579ade7ae1747a31960a228ce02e666

    SHA1

    8ec8571a296737e819dcf86353a43fcf8ec63351

    SHA256

    564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5

    SHA512

    a88bc56e938374c333b0e33cb72951635b5d5a98b9cb2d6785073cbcad23bf4c0f9f69d3b7e87b46c76eb03ced9bb786844ce87656a9e3df4ca24acf43d7a05b