Analysis

  • max time kernel
    205s
  • max time network
    234s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/12/2022, 07:18

General

  • Target

    7fcc06406472a16b90bb9a1c1234880cada330349ef83b4271e86177b64015df.exe

  • Size

    250KB

  • MD5

    b256eccea39015f7fb574eb737d64fcb

  • SHA1

    c113eedad00a23bfbc8ad5543b3a2b8ddaeeffa0

  • SHA256

    7fcc06406472a16b90bb9a1c1234880cada330349ef83b4271e86177b64015df

  • SHA512

    4d7f39be04ac2fae0459d4d807a116e3e1592837bc00590c79a690ddceafe845489e341d7af7a94cdafa219b4227e02283c28d62ccdbaf73bec78ad423cec2db

  • SSDEEP

    6144:h1OgDPdkBAFZWjadD4s5LeyS6Cm8NsZF1tb:h1OgLdaOLey198Ns3z

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\7fcc06406472a16b90bb9a1c1234880cada330349ef83b4271e86177b64015df.exe
    "C:\Users\Admin\AppData\Local\Temp\7fcc06406472a16b90bb9a1c1234880cada330349ef83b4271e86177b64015df.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3164
    • C:\Users\Admin\AppData\Local\Temp\7zSB5D3.tmp\506ddccb8394c.exe
      .\506ddccb8394c.exe /s
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Installs/modifies Browser Helper Object
      • Modifies registry class
      • System policy modification
      PID:4968

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\ProgramData\wxDownload\506ddccb83984.ocx

    Filesize

    151KB

    MD5

    c78c6140cb88ef4dc94f999291bb5ab1

    SHA1

    65b47ed5ec889e0e558c79a13a81193fc59b8ce9

    SHA256

    6cfc7fb43715fb13c53ab2a29b68f3a0a0f285c85d1b1443f2c5e73526646851

    SHA512

    ac8865cb1bec889ba493cad3f4c4bac87bfb2fdb15c518626ffa5f8ac6799a6f5c84f358d3e7d35824d6aba29af46c1078acdf30c3bd93981be61312baf6bd26

  • C:\Users\Admin\AppData\Local\Temp\7zSB5D3.tmp\[email protected]\bootstrap.js

    Filesize

    2KB

    MD5

    e0ec4252044810c0514f09016547a8b7

    SHA1

    4940ac45b54be26897a151b5f13488b61b75ee27

    SHA256

    92defeb6983c21cdeafd13b5b43a1132112041b5a3206498c173ce9b5f0073d0

    SHA512

    1e645d005bd75b080bfae099817c936d6cc8d99e72889aee072ae14743ab8e04b961f7aa55788ed6a572820ad23bde32f692521dd0517ad4a5b3d8a03f32432e

  • C:\Users\Admin\AppData\Local\Temp\7zSB5D3.tmp\[email protected]\chrome.manifest

    Filesize

    116B

    MD5

    b438eba7741c427c4e0b928b4065c472

    SHA1

    e060b6192e986b6fb5ff07850f3bffa2f7f34afb

    SHA256

    de1b877c49f8bf1f344d4251a2455b4d41f5e4aea266df6a231bcc319d7f9640

    SHA512

    bf18307a489a189a12ec8843a88fc9d8e047a88e7fc48de44edc1a1cff43dc5ab0effc2e3bdbd45408e0d705e2cc38fa0ff85042bf25127aaf3424e7bc3e76c5

  • C:\Users\Admin\AppData\Local\Temp\7zSB5D3.tmp\[email protected]\content\bg.js

    Filesize

    8KB

    MD5

    b8f641a884ec27cacffff6eeab493b16

    SHA1

    9f9b5816b534972a4138a345c455cdd73475fafd

    SHA256

    74c40ffde148d2a5ec4301c3f11f495ca9f31c7feeb835e67abc29468af0d7ab

    SHA512

    a401d2f6386630f9b9d1330d212fdeccc2aefaef7c79327878fa454d0d8d18b143f3ae12f32c6646b591189805608acba04eeb8dd912ae93fc0a4ac5d0d37a91

  • C:\Users\Admin\AppData\Local\Temp\7zSB5D3.tmp\[email protected]\content\zy.xul

    Filesize

    225B

    MD5

    4a923eeb3e7d55822f08f7bb35a7814e

    SHA1

    35dac81235de81f7e199b5ce40a732a7ecde6343

    SHA256

    694e4ca3d61c4eb7837272d0e602d356ca7c162e05ce4f6d15742f163e7d58fd

    SHA512

    e8987d3f54998c22de809b0bf6fc2b7247bfef9ac27cb0a93bfd2f90dc9a22c901c63981f49cc3020e251c9ab7fb5ff8c1b23044c463c9ece80a5f78b6740d30

  • C:\Users\Admin\AppData\Local\Temp\7zSB5D3.tmp\[email protected]\install.rdf

    Filesize

    717B

    MD5

    e0fa1c1b2e2c8e0023ba1c74e70beb18

    SHA1

    38d91d01f3c775fc67a5a2491c3e867d796778fe

    SHA256

    3df27d3dc1ee92fde43da60b9772ddef7b94c6216195932b428c1cdee03e71de

    SHA512

    504022312eaad4afe34038a797ead1d070d8baa645c99fd1e894b935050263611538e94a77322148960a84234f273b71409bf0316200de2c5bb8c7580f711f63

  • C:\Users\Admin\AppData\Local\Temp\7zSB5D3.tmp\506ddccb8394c.exe

    Filesize

    65KB

    MD5

    4ccf1a317aa8539c857835e4ebe9c806

    SHA1

    223b73d09d7398f40aff3ccc569e66cae3886ee9

    SHA256

    4529889c5575cd4e28b3691f0489c806442840292a9e459ada4dab3e024cc242

    SHA512

    ecab68799b5a51c7d2a3735a9b3c17ba20a315618aa9575a5b02d5d4535716966031a26982012669f069dbfd8a6ab62f95737b7c402bf680f3a498900f627312

  • C:\Users\Admin\AppData\Local\Temp\7zSB5D3.tmp\506ddccb8394c.exe

    Filesize

    65KB

    MD5

    4ccf1a317aa8539c857835e4ebe9c806

    SHA1

    223b73d09d7398f40aff3ccc569e66cae3886ee9

    SHA256

    4529889c5575cd4e28b3691f0489c806442840292a9e459ada4dab3e024cc242

    SHA512

    ecab68799b5a51c7d2a3735a9b3c17ba20a315618aa9575a5b02d5d4535716966031a26982012669f069dbfd8a6ab62f95737b7c402bf680f3a498900f627312

  • C:\Users\Admin\AppData\Local\Temp\7zSB5D3.tmp\506ddccb83984.ocx

    Filesize

    151KB

    MD5

    c78c6140cb88ef4dc94f999291bb5ab1

    SHA1

    65b47ed5ec889e0e558c79a13a81193fc59b8ce9

    SHA256

    6cfc7fb43715fb13c53ab2a29b68f3a0a0f285c85d1b1443f2c5e73526646851

    SHA512

    ac8865cb1bec889ba493cad3f4c4bac87bfb2fdb15c518626ffa5f8ac6799a6f5c84f358d3e7d35824d6aba29af46c1078acdf30c3bd93981be61312baf6bd26

  • C:\Users\Admin\AppData\Local\Temp\7zSB5D3.tmp\506ddccb839bd.html

    Filesize

    4KB

    MD5

    40b02e5018a03bbf5b4f531d7da4230e

    SHA1

    6e25c88f463cb03540dcbf5d51d6184c95950c06

    SHA256

    3cf1e65522e6d247f896d704acfea73515016d579cf03f9be1b0a0be6e02ddab

    SHA512

    dd3ff2663daf263780bb9ce9164a02d12d5ced59ed1f2c16837979dae56ac765fb2dc017395ae2681ab64450b9d50d191e95cb2195768f37981f44078c73ff35

  • C:\Users\Admin\AppData\Local\Temp\7zSB5D3.tmp\506ddccb839f6.js

    Filesize

    9B

    MD5

    99fa5d714d971a49b67de27e0d8871be

    SHA1

    d0621e846ea60fa8d0b2c8e622e495af49cd7359

    SHA256

    f560d76474380da948a0c5ab8682dc026822d9685268c592f315224b1b968bf6

    SHA512

    2fec19e4f2a974227922a7e057890141523ae73fbfa127f9e8cd00dff71b29abb93cb865c6d74ecf3df8bca440c558d4fbf2f80e82cc9636320ab5edb95ebad5

  • C:\Users\Admin\AppData\Local\Temp\7zSB5D3.tmp\ilkkohaapcfklnfdkoonicikaofeoehf.crx

    Filesize

    7KB

    MD5

    496595d673e941bc3844a5223891d3bd

    SHA1

    9ad5f11fad00041515404dcd17af640746d8ad62

    SHA256

    2ed34d963a473757138777e8d9c2caf606429ea293c4ef720b69ce045a83bda8

    SHA512

    8449f2b596ff76a56c70d5dd53d43be5ddc3b3fa55837478e92baab1511d4c6ded77fcd72b7fb01a3a81531570569df1150e01f19982f06a686b4b691988ce87

  • C:\Users\Admin\AppData\Local\Temp\7zSB5D3.tmp\settings.ini

    Filesize

    903B

    MD5

    1b7a4d765019437daa45317cfa15e317

    SHA1

    c9d53f91eb44fdcf9effce1e09be5bcf92836cab

    SHA256

    dceeaa972c0718d450dbd1385a995c7d490e6de41ccf6aa09a9c32911c83fa0e

    SHA512

    bee7394d101def8b0488ef3a96ccbfc42d258c1910fa2fdbd03d5d8186de45eef523c18ba30d2358ff70ff2b6c3925014bf59ee8a83c2ea7eebd59202e87face

  • C:\Users\Admin\AppData\Local\Temp\nsaB93F.tmp\UserInfo.dll

    Filesize

    4KB

    MD5

    7579ade7ae1747a31960a228ce02e666

    SHA1

    8ec8571a296737e819dcf86353a43fcf8ec63351

    SHA256

    564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5

    SHA512

    a88bc56e938374c333b0e33cb72951635b5d5a98b9cb2d6785073cbcad23bf4c0f9f69d3b7e87b46c76eb03ced9bb786844ce87656a9e3df4ca24acf43d7a05b