Analysis

  • max time kernel
    36s
  • max time network
    42s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    29-11-2022 11:33

General

  • Target

    9a47a9bced29fc5d948e5487ad5485d957d303451b3d145a91554a77cc07b6d7.exe

  • Size

    250KB

  • MD5

    92d14dab00fac75a6e5f0d0db1026508

  • SHA1

    e55a96d2a46747b57a744c01c9ce85094e9ade1d

  • SHA256

    9a47a9bced29fc5d948e5487ad5485d957d303451b3d145a91554a77cc07b6d7

  • SHA512

    33aefe9a757bd6f6ed8197e27086da62c5e7012673c97860f407ec96af422b386afcc44adfaf83fbf1a469c0c4ea02df3242168fb27e2f269b4c1e6864387aba

  • SSDEEP

    6144:h1OgDPdkBAFZWjadD4s5Mh9YZu1ADmILDV76zckQFEH1:h1OgLdaOMh2Zu1ALV+/QCH1

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 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 8 IoCs
  • Modifies registry class 63 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9a47a9bced29fc5d948e5487ad5485d957d303451b3d145a91554a77cc07b6d7.exe
    "C:\Users\Admin\AppData\Local\Temp\9a47a9bced29fc5d948e5487ad5485d957d303451b3d145a91554a77cc07b6d7.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1608
    • C:\Users\Admin\AppData\Local\Temp\7zS7292.tmp\506f2f4537375.exe
      .\506f2f4537375.exe /s
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Installs/modifies Browser Helper Object
      • Modifies registry class
      • System policy modification
      PID:1892

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\7zS7292.tmp\[email protected]\bootstrap.js

    Filesize

    2KB

    MD5

    6a3a0bf5959ad66404de4d327c3303f8

    SHA1

    f9bffe435e67f66d15bb88f8dda5c2524e55b8f2

    SHA256

    0bba9e523e12b2c40b0a3e21275aefc3b56c9a572a1a6e316900f0a7e73197e6

    SHA512

    284d096dfebe2e90d2b17b8474e2c0dbccdeedaac66cbcf9d9c0930caa537e1e219a99480187131c1aa3e1cc1572303b780be8f8f8d409edd41749ab2353da91

  • C:\Users\Admin\AppData\Local\Temp\7zS7292.tmp\[email protected]\chrome.manifest

    Filesize

    116B

    MD5

    657df0b2f6c480c147b68fb296b54d4c

    SHA1

    eb23665794c86ca4b018c0351f608c66f722abed

    SHA256

    67903ffba0748118e73b8ed2a1b8dd0122169f8b67c3a2e4b467249ee5abb47e

    SHA512

    2110faef140cc68c12db8e618463105a25a8e0ec2e2ee91ccda7567d4ec63955118a4c54a4e85f1191ee720b03ec50e224315a3e862b795ded4f0d31f5ba9b51

  • C:\Users\Admin\AppData\Local\Temp\7zS7292.tmp\[email protected]\content\bg.js

    Filesize

    8KB

    MD5

    fd09608fdeb5b2e9aa94b950cf638257

    SHA1

    074de9b3f1214637721f93c6633b45d32756eb0e

    SHA256

    04f7ce8c35dbacb9e7ab1d610f396f617ad4e0c503001f1433b0b00cd0679cfa

    SHA512

    c73e99492210358198736f1230448d59c4152355e2eb2f7d397385144ffc21cee798755e3105c5ef8b117885ed1eaf7be29870af4ac46ceda54f14fec82f4c37

  • C:\Users\Admin\AppData\Local\Temp\7zS7292.tmp\[email protected]\content\zy.xul

    Filesize

    225B

    MD5

    5bc4020f9c74b7e4b67ec6d2863386d8

    SHA1

    daf79c74dc8565c55433125d4427457d861ad40d

    SHA256

    412037accb5be3314ada551be7535c382207a3f861b78e806774c33ab1d1d80f

    SHA512

    4a6252cd205064010e3e13e9525a09251032f6afd11a20d88d2ec825b7c9991a01a2d5729917786598640129434efb3a3851d0259f7da7f2f38a0dce78011deb

  • C:\Users\Admin\AppData\Local\Temp\7zS7292.tmp\[email protected]\install.rdf

    Filesize

    700B

    MD5

    068eb72e47899891c474df15b7d6b9c3

    SHA1

    66f90de7bff479789454d935868a8541d1757c87

    SHA256

    baf389ae117437c938458ec6377e739aaa3036fac57838fcc94fde198b5fb32f

    SHA512

    7a80cab960057cdd75f13f826647d4afe6bcc6c7720418b7d312d48bf8a1eed7f3e6ff1db1e7c465e5f8fb7390574e491464c5d83b7f728fe5c5d4e80d66a2d9

  • C:\Users\Admin\AppData\Local\Temp\7zS7292.tmp\506f2f4537375.exe

    Filesize

    65KB

    MD5

    4ccf1a317aa8539c857835e4ebe9c806

    SHA1

    223b73d09d7398f40aff3ccc569e66cae3886ee9

    SHA256

    4529889c5575cd4e28b3691f0489c806442840292a9e459ada4dab3e024cc242

    SHA512

    ecab68799b5a51c7d2a3735a9b3c17ba20a315618aa9575a5b02d5d4535716966031a26982012669f069dbfd8a6ab62f95737b7c402bf680f3a498900f627312

  • C:\Users\Admin\AppData\Local\Temp\7zS7292.tmp\506f2f4537375.exe

    Filesize

    65KB

    MD5

    4ccf1a317aa8539c857835e4ebe9c806

    SHA1

    223b73d09d7398f40aff3ccc569e66cae3886ee9

    SHA256

    4529889c5575cd4e28b3691f0489c806442840292a9e459ada4dab3e024cc242

    SHA512

    ecab68799b5a51c7d2a3735a9b3c17ba20a315618aa9575a5b02d5d4535716966031a26982012669f069dbfd8a6ab62f95737b7c402bf680f3a498900f627312

  • C:\Users\Admin\AppData\Local\Temp\7zS7292.tmp\506f2f45373af.ocx

    Filesize

    151KB

    MD5

    c78c6140cb88ef4dc94f999291bb5ab1

    SHA1

    65b47ed5ec889e0e558c79a13a81193fc59b8ce9

    SHA256

    6cfc7fb43715fb13c53ab2a29b68f3a0a0f285c85d1b1443f2c5e73526646851

    SHA512

    ac8865cb1bec889ba493cad3f4c4bac87bfb2fdb15c518626ffa5f8ac6799a6f5c84f358d3e7d35824d6aba29af46c1078acdf30c3bd93981be61312baf6bd26

  • C:\Users\Admin\AppData\Local\Temp\7zS7292.tmp\506f2f45373e8.html

    Filesize

    4KB

    MD5

    d119ad5088bf301c2298a889e7436cab

    SHA1

    7ee8caba59ca0fd8dc45a03b513693e5b271c7f7

    SHA256

    0e02be1e59b3ce3d2819c54765465647f6ed721ee62b028d7e72bea4a9aa83f9

    SHA512

    0325437efed484df0f8c588dce4a91eaf592633c83ebace35cc8d98573f00b1af31f0c86214d6c03286b65a274bb52a72d92a2eb127aa66a1d0591d840defa88

  • C:\Users\Admin\AppData\Local\Temp\7zS7292.tmp\506f2f4537420.js

    Filesize

    9B

    MD5

    99fa5d714d971a49b67de27e0d8871be

    SHA1

    d0621e846ea60fa8d0b2c8e622e495af49cd7359

    SHA256

    f560d76474380da948a0c5ab8682dc026822d9685268c592f315224b1b968bf6

    SHA512

    2fec19e4f2a974227922a7e057890141523ae73fbfa127f9e8cd00dff71b29abb93cb865c6d74ecf3df8bca440c558d4fbf2f80e82cc9636320ab5edb95ebad5

  • C:\Users\Admin\AppData\Local\Temp\7zS7292.tmp\njdadpgohnkohmjdadcebeooolpniifd.crx

    Filesize

    7KB

    MD5

    6191a82096216006e0d26916cd37f145

    SHA1

    a267535e7b7bf75568fa452e47133373aa2c2f6e

    SHA256

    b042d38ce630f759491e58ff20b4933ee2b136c2bf7271cb4e59459271d30ffc

    SHA512

    81462200477e87fba50caad9c68b44db8b7d6ed70b5b5db30b8b726e92637d03d46cd5a8bfd3bd79bbf53a0013d63426cb527c411723b356a60d84ef8fbeee3a

  • C:\Users\Admin\AppData\Local\Temp\7zS7292.tmp\settings.ini

    Filesize

    882B

    MD5

    36ce4ec6c654dcc2a41737f00e68e6a5

    SHA1

    de64a5047722ddc82c51103f58d308374b7e43e3

    SHA256

    e9f77e41fbe4201334b806536221522fa02d87b9c46ef5432237f83b4674a832

    SHA512

    c1762f17e6b33f2fed57635345598fc987e9d605835332c1376487b184be3410881493b09feffa507dfeff2137e34c6c6e7a1a15b44a73646213a2f6c41bb810

  • \ProgramData\Bcool\506f2f45373af.ocx

    Filesize

    151KB

    MD5

    c78c6140cb88ef4dc94f999291bb5ab1

    SHA1

    65b47ed5ec889e0e558c79a13a81193fc59b8ce9

    SHA256

    6cfc7fb43715fb13c53ab2a29b68f3a0a0f285c85d1b1443f2c5e73526646851

    SHA512

    ac8865cb1bec889ba493cad3f4c4bac87bfb2fdb15c518626ffa5f8ac6799a6f5c84f358d3e7d35824d6aba29af46c1078acdf30c3bd93981be61312baf6bd26

  • \ProgramData\Bcool\uninstall.exe

    Filesize

    48KB

    MD5

    a724dac649142fef71fe4b529684e969

    SHA1

    e2878e84886ec53a1332ad969a825062526b5cd4

    SHA256

    b58c58b5073034d74c5d93902bbb9d402be063e907bdf77115b55bbb99af21dc

    SHA512

    9f475ad52fa2b7f82e74df87c02e42f937b5e3b62773b7d51cb53facfcc8b4934ad3c2fc21496cfabaa4dd103a309ed5cccad1ad3d6037f6c4f3a540e3e9d5b3

  • \Users\Admin\AppData\Local\Temp\7zS7292.tmp\506f2f4537375.exe

    Filesize

    65KB

    MD5

    4ccf1a317aa8539c857835e4ebe9c806

    SHA1

    223b73d09d7398f40aff3ccc569e66cae3886ee9

    SHA256

    4529889c5575cd4e28b3691f0489c806442840292a9e459ada4dab3e024cc242

    SHA512

    ecab68799b5a51c7d2a3735a9b3c17ba20a315618aa9575a5b02d5d4535716966031a26982012669f069dbfd8a6ab62f95737b7c402bf680f3a498900f627312

  • \Users\Admin\AppData\Local\Temp\nsj74E4.tmp\UserInfo.dll

    Filesize

    4KB

    MD5

    7579ade7ae1747a31960a228ce02e666

    SHA1

    8ec8571a296737e819dcf86353a43fcf8ec63351

    SHA256

    564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5

    SHA512

    a88bc56e938374c333b0e33cb72951635b5d5a98b9cb2d6785073cbcad23bf4c0f9f69d3b7e87b46c76eb03ced9bb786844ce87656a9e3df4ca24acf43d7a05b

  • memory/1608-54-0x0000000075A91000-0x0000000075A93000-memory.dmp

    Filesize

    8KB