Analysis

  • max time kernel
    88s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/10/2022, 13:48

General

  • Target

    97a1809bc13695751a7b997d37398d54e095dd67f4fdbe890faef01fc254974f.exe

  • Size

    245KB

  • MD5

    a320cac2d41771cf5df0df935db0bdc6

  • SHA1

    0471a3c169fd394715ddac063923cf77f679e605

  • SHA256

    97a1809bc13695751a7b997d37398d54e095dd67f4fdbe890faef01fc254974f

  • SHA512

    514987cfe54903f241c6edd05d75768a2b227290e71e85295f9ace4d4d1dff979f19f717d02b6d53a3df9b4effc6abfcf21874696ba17ac5083df6cb6b88502f

  • SSDEEP

    3072:hn1/uEAgDPdkBlyFZ+ScjaiKWbETBquAEXlqsUUmSDs9fXjK86EtaH2goJ7t7sRK:h1OgDPdkBAFZWjadD4s52wYEHe5SXJW

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\97a1809bc13695751a7b997d37398d54e095dd67f4fdbe890faef01fc254974f.exe
    "C:\Users\Admin\AppData\Local\Temp\97a1809bc13695751a7b997d37398d54e095dd67f4fdbe890faef01fc254974f.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4600
    • C:\Users\Admin\AppData\Local\Temp\7zS94B3.tmp\50a421b83695d.exe
      .\50a421b83695d.exe /s
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Installs/modifies Browser Helper Object
      • Modifies registry class
      • System policy modification
      PID:384

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\wxDownload\50a421b836996.ocx

    Filesize

    126KB

    MD5

    d637295a8426c7c4a8e9ef3e584839a2

    SHA1

    55b64f53328498d22d269de2e65be2feeba7da00

    SHA256

    5cbd7f4b8f991ccab51cfc1fd0a5437013c5196f3c636632d691103aa3708adb

    SHA512

    f60f908b9f0efd4762255c9c71559bbd554714170262dd556353ddda55789d21cc3a8ade239cdf51da38dfa4e92714749c217095bccac19590ef8347ca501c8c

  • C:\Users\Admin\AppData\Local\Temp\7zS94B3.tmp\[email protected]\bootstrap.js

    Filesize

    2KB

    MD5

    f42ff28c02108e347880017fba2b2c88

    SHA1

    b342b72a3e353e8418bac0b9b7f5d4925338a95b

    SHA256

    ea5a264e71786670806bb95d9fc6f316f4ebd28ee02abfc9f1f12acac476564f

    SHA512

    0b1f4e688538154c85416b2e082f485c653144b16a82c804ce06ae1982c5993b33e68b29b3af3f1f6efde5812b64ef67555b11b80e70086fd5ae3435df343d5f

  • C:\Users\Admin\AppData\Local\Temp\7zS94B3.tmp\[email protected]\chrome.manifest

    Filesize

    116B

    MD5

    56e549724d0abd5ebcea77e3bb5a2a19

    SHA1

    c6e6fe84aa8144ae39a67054e6c64cd120c4a13c

    SHA256

    fa81427c7d832ac7324f385b9eba8b9fce054b019d38a7f631a577a12b94fb15

    SHA512

    5a5c876e93ce7291d92bb57e4363c51faa9577c6282eea4642c189badd0693168064bdc4be4f1911b298f48a6886cc488dc893b1f0a1e2180f339add0dbff2dd

  • C:\Users\Admin\AppData\Local\Temp\7zS94B3.tmp\[email protected]\content\bg.js

    Filesize

    8KB

    MD5

    42b4052c96117dcc08dcb6c138e2205a

    SHA1

    e2138db959d46931822ce542013b97a3892789c2

    SHA256

    09268e5d3ea6b86d00540502d75edb79b26e817c731d3524db6a54df8fc6078f

    SHA512

    31e9d080ef915c567a145b5da8c39e6880d5ebe5a8685bcbbf5bd604801da7f8259725db836fb0f0318a2faa47ce9292e061b6dc1f7b4e4a7c634a627a3c09b5

  • C:\Users\Admin\AppData\Local\Temp\7zS94B3.tmp\[email protected]\content\zy.xul

    Filesize

    225B

    MD5

    40720a8a369fd3cf763f0f3017244d45

    SHA1

    38474688cdbc2b3392fdb866bb0eb1bd9ba3d85f

    SHA256

    b93c17f1ffb54d308a084a70bb7fce555e20c41d8860f8efbc9f96ca22fa3f0d

    SHA512

    b46a429c62bcb7eb2f21b5ea7a597acf16772c9b9553a28144e5e8fe66c99a478360747767dcc69fcf2d3c0f3274c6a694287eb86e7ae7aed8016000a0df26af

  • C:\Users\Admin\AppData\Local\Temp\7zS94B3.tmp\[email protected]\install.rdf

    Filesize

    717B

    MD5

    e49ed53c942ea80a9082a139179fb96c

    SHA1

    f6067f59199c786101b849ea2fa0264447ec8676

    SHA256

    c080e13c2307185985b6477d41e7cd8b27c8b867bfd777c382c9ee533b3de415

    SHA512

    1bdf419ae653a397a24341f98dd522cf6e3f33cf2373858f9613557a4f5d3c2efd3a94623ecbf11d7aff6c8ea5f34697fcbb5ae820b0ba6b59e7295bddf98a70

  • C:\Users\Admin\AppData\Local\Temp\7zS94B3.tmp\50a421b83695d.exe

    Filesize

    65KB

    MD5

    6fce522ef2543f1cd8812f45c8718ba6

    SHA1

    270c89c05963c0f24f976f6b75aa4d12ade4c837

    SHA256

    d75c34545066eb787ed671c6d4ce4f4c6267637518ca683dfefb79f95f14226b

    SHA512

    a0a486b95aeb9c059f23e639e16abdbfe94b041f33309b44e95743bf5a82f92d3c444c025b6c36a0dc296add3c2bc4f6affcf130014f16968be0afa8e0007880

  • C:\Users\Admin\AppData\Local\Temp\7zS94B3.tmp\50a421b83695d.exe

    Filesize

    65KB

    MD5

    6fce522ef2543f1cd8812f45c8718ba6

    SHA1

    270c89c05963c0f24f976f6b75aa4d12ade4c837

    SHA256

    d75c34545066eb787ed671c6d4ce4f4c6267637518ca683dfefb79f95f14226b

    SHA512

    a0a486b95aeb9c059f23e639e16abdbfe94b041f33309b44e95743bf5a82f92d3c444c025b6c36a0dc296add3c2bc4f6affcf130014f16968be0afa8e0007880

  • C:\Users\Admin\AppData\Local\Temp\7zS94B3.tmp\50a421b836996.ocx

    Filesize

    126KB

    MD5

    d637295a8426c7c4a8e9ef3e584839a2

    SHA1

    55b64f53328498d22d269de2e65be2feeba7da00

    SHA256

    5cbd7f4b8f991ccab51cfc1fd0a5437013c5196f3c636632d691103aa3708adb

    SHA512

    f60f908b9f0efd4762255c9c71559bbd554714170262dd556353ddda55789d21cc3a8ade239cdf51da38dfa4e92714749c217095bccac19590ef8347ca501c8c

  • C:\Users\Admin\AppData\Local\Temp\7zS94B3.tmp\50a421b8369ce.html

    Filesize

    4KB

    MD5

    1d362f60efbcb66044d101a752ff2d46

    SHA1

    c77fbbfe7f053f32152eec05463f78942f758bc8

    SHA256

    1a9af65ef941a11ca21b88880438369086dcaeba92800d22812a6b6054f29c6f

    SHA512

    8ea40f74a5f5874b5386fdfa97cc75a0a9c55e131af1044983fe32ff1d3f3400af751e024592bc027f21710a8cb59df6c87e3c5783e071aca6614257f62eeddf

  • C:\Users\Admin\AppData\Local\Temp\7zS94B3.tmp\50a421b836a07.js

    Filesize

    9B

    MD5

    99fa5d714d971a49b67de27e0d8871be

    SHA1

    d0621e846ea60fa8d0b2c8e622e495af49cd7359

    SHA256

    f560d76474380da948a0c5ab8682dc026822d9685268c592f315224b1b968bf6

    SHA512

    2fec19e4f2a974227922a7e057890141523ae73fbfa127f9e8cd00dff71b29abb93cb865c6d74ecf3df8bca440c558d4fbf2f80e82cc9636320ab5edb95ebad5

  • C:\Users\Admin\AppData\Local\Temp\7zS94B3.tmp\adhkhcmaalhmbnhhojbldhdifhkfifea.crx

    Filesize

    7KB

    MD5

    fc5cc6e7358a1578250a3df8c08c25c0

    SHA1

    400f5fca259c7965591b1b3d84788c1e2845cd9a

    SHA256

    f85a9482fc6feb8c25c02e69f1d964ca945a758f9743745e0e6ae5d34b4717db

    SHA512

    b8782fc30f26d0d079da3ffbeeaab65c264a320b7caee6ff74033ed2e7e05c0669c4476eecb5dbf91d4b965dfbaf5531e92c6bd962d38985d708fa336a905fa7

  • C:\Users\Admin\AppData\Local\Temp\7zS94B3.tmp\settings.ini

    Filesize

    901B

    MD5

    6f08258089466525196cdc12fc5389c3

    SHA1

    4ab3badf8e11cac7b18b2637fdf68f353f9b1300

    SHA256

    68017f8ba289ffd88ead24a34150ffd10be919dc14155c1ae42f435e582e7e7f

    SHA512

    b5fbc873aa6c3899610da7a13fac4bb8f23836dd0108163f6dddf647fbeff28fb0063ba17ffc6025cac9861009782f87600f1754c53279100587712b421312fa

  • C:\Users\Admin\AppData\Local\Temp\nsq9725.tmp\UserInfo.dll

    Filesize

    4KB

    MD5

    7579ade7ae1747a31960a228ce02e666

    SHA1

    8ec8571a296737e819dcf86353a43fcf8ec63351

    SHA256

    564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5

    SHA512

    a88bc56e938374c333b0e33cb72951635b5d5a98b9cb2d6785073cbcad23bf4c0f9f69d3b7e87b46c76eb03ced9bb786844ce87656a9e3df4ca24acf43d7a05b