Analysis

  • max time kernel
    41s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    02/12/2022, 01:27

General

  • Target

    9335e9c1a3a8da54429ee249c9c02ae15282f66739db9b71f3acea5376db10ff.exe

  • Size

    250KB

  • MD5

    119b523bb75fd5c5ce489e46e0eb19a9

  • SHA1

    608c2dd84cd53c36b45c8010fdb6c13280fb452c

  • SHA256

    9335e9c1a3a8da54429ee249c9c02ae15282f66739db9b71f3acea5376db10ff

  • SHA512

    8b950bbca887c6925c3df7d80345c63d443b25e9cdafc5565d3b9be00db7134c92613b0e9e6ca8378f90535948a3e1e7ba8ca86c8180d751dd2f26a42e634862

  • SSDEEP

    6144:h1OgDPdkBAFZWjadD4s5/n99WbJOHoGw/fxl4AE:h1OgLdaO/WbJqoGul41

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\9335e9c1a3a8da54429ee249c9c02ae15282f66739db9b71f3acea5376db10ff.exe
    "C:\Users\Admin\AppData\Local\Temp\9335e9c1a3a8da54429ee249c9c02ae15282f66739db9b71f3acea5376db10ff.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:756
    • C:\Users\Admin\AppData\Local\Temp\7zS1F25.tmp\50673cfb5c4bd.exe
      .\50673cfb5c4bd.exe /s
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Installs/modifies Browser Helper Object
      • Modifies registry class
      • System policy modification
      PID:848

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\7zS1F25.tmp\[email protected]\bootstrap.js

          Filesize

          2KB

          MD5

          96dec2b5735ef4d186b4ddbfd7fb575d

          SHA1

          58dd455cd1bd48944872b2ddf8b3f6f57008aae3

          SHA256

          c64f1282f8431b43cf66366b72d19dc4b2ee28aa938a29e8f1f265f74e08d376

          SHA512

          14c40d228206314fb9dc24b3cf2357c1331a6b6bc10577e3cc570bd140c21f59c7ba59f44ed39818187e0b5151b2345e37f315b26e136169913e97d5f1faf343

        • C:\Users\Admin\AppData\Local\Temp\7zS1F25.tmp\[email protected]\chrome.manifest

          Filesize

          116B

          MD5

          b88070dbdecb69488fc1ef1962e2a716

          SHA1

          8be457b952d65d4eff875468f0ec784ab71319a8

          SHA256

          dff148dcceeea114d089e2fe5f292914a73b494365a01d680f72adf7dd1f5799

          SHA512

          e292e4e4425acdf5b11c4a6519e3b5966f510f4aa6525201558c0436b8cf825edc208aa9adbf8f3f61d56665410914e95bfb256b067c0fa3e3217182f445cbf6

        • C:\Users\Admin\AppData\Local\Temp\7zS1F25.tmp\[email protected]\content\bg.js

          Filesize

          8KB

          MD5

          acf2b687cbf15c573cf18affb5459f29

          SHA1

          fc898a35d1eea144e911e8fb06338c059a4a80d2

          SHA256

          e229c45b0c26c30399686819ba838ee28a86a711ca83f55815636f2e6c63dc5d

          SHA512

          22a7ae82a05a0cad297e2125577207d2266c819e34318f351fbb76e936d047937fabbae00c7456c9bcb8c50defbc4169a71899c8d6495e58cfc735b3242b4062

        • C:\Users\Admin\AppData\Local\Temp\7zS1F25.tmp\[email protected]\content\zy.xul

          Filesize

          225B

          MD5

          40e7bf3248ff9af4954b19d09b3ab266

          SHA1

          2b3145877f3223be83e255b579464a36d1376d2b

          SHA256

          0de38707a56deb451a512c81292c46cb637353a62445ccf1200e365d4ebe5d44

          SHA512

          b4df0c73915983627eaf0fc6ea7751f693e488fc5c5864df474f521ac9a867e51fdde82b7d6e71fc94471ca23ee43367517e41801ba1280b5455f0ba3859dd3b

        • C:\Users\Admin\AppData\Local\Temp\7zS1F25.tmp\[email protected]\install.rdf

          Filesize

          717B

          MD5

          f23ed1ea804c63ad15f5ce32944de68b

          SHA1

          0754d1de50740cde20dc7a1127139507a6efe7be

          SHA256

          f34d24c15bca2942a81af5354d1b547640244dcf5747d38fb3cdf2366dac182e

          SHA512

          b1a213cef51c1ef522d5e3ed3e02913e3f5675281e2ecff6593a598a9e6e8929e5e819580c71044f1969746cff6f8e862dd799e59d79a7c623001ecd1047532b

        • C:\Users\Admin\AppData\Local\Temp\7zS1F25.tmp\50673cfb5c4bd.exe

          Filesize

          65KB

          MD5

          4ccf1a317aa8539c857835e4ebe9c806

          SHA1

          223b73d09d7398f40aff3ccc569e66cae3886ee9

          SHA256

          4529889c5575cd4e28b3691f0489c806442840292a9e459ada4dab3e024cc242

          SHA512

          ecab68799b5a51c7d2a3735a9b3c17ba20a315618aa9575a5b02d5d4535716966031a26982012669f069dbfd8a6ab62f95737b7c402bf680f3a498900f627312

        • C:\Users\Admin\AppData\Local\Temp\7zS1F25.tmp\50673cfb5c4bd.exe

          Filesize

          65KB

          MD5

          4ccf1a317aa8539c857835e4ebe9c806

          SHA1

          223b73d09d7398f40aff3ccc569e66cae3886ee9

          SHA256

          4529889c5575cd4e28b3691f0489c806442840292a9e459ada4dab3e024cc242

          SHA512

          ecab68799b5a51c7d2a3735a9b3c17ba20a315618aa9575a5b02d5d4535716966031a26982012669f069dbfd8a6ab62f95737b7c402bf680f3a498900f627312

        • C:\Users\Admin\AppData\Local\Temp\7zS1F25.tmp\50673cfb5c4f6.ocx

          Filesize

          151KB

          MD5

          c78c6140cb88ef4dc94f999291bb5ab1

          SHA1

          65b47ed5ec889e0e558c79a13a81193fc59b8ce9

          SHA256

          6cfc7fb43715fb13c53ab2a29b68f3a0a0f285c85d1b1443f2c5e73526646851

          SHA512

          ac8865cb1bec889ba493cad3f4c4bac87bfb2fdb15c518626ffa5f8ac6799a6f5c84f358d3e7d35824d6aba29af46c1078acdf30c3bd93981be61312baf6bd26

        • C:\Users\Admin\AppData\Local\Temp\7zS1F25.tmp\50673cfb5c52f.html

          Filesize

          4KB

          MD5

          153c35c095eeb24cbfdf1f0e089b91f8

          SHA1

          4d216c4fa0abebec72b9dc0b4b3de79a12ac43a6

          SHA256

          dc9ef40f02b96e5dd07107341ad3ebdc5b000aed8fc7415a296bbc47c2ce75d1

          SHA512

          17943a23003676accbd76bb37148f486e0b50d7ee297ef50e701068f2c3ba157c135493466f22618546b445ddafb9bbbc46e39a7c93978fad51bfde901780941

        • C:\Users\Admin\AppData\Local\Temp\7zS1F25.tmp\50673cfb5c567.js

          Filesize

          9B

          MD5

          99fa5d714d971a49b67de27e0d8871be

          SHA1

          d0621e846ea60fa8d0b2c8e622e495af49cd7359

          SHA256

          f560d76474380da948a0c5ab8682dc026822d9685268c592f315224b1b968bf6

          SHA512

          2fec19e4f2a974227922a7e057890141523ae73fbfa127f9e8cd00dff71b29abb93cb865c6d74ecf3df8bca440c558d4fbf2f80e82cc9636320ab5edb95ebad5

        • C:\Users\Admin\AppData\Local\Temp\7zS1F25.tmp\ikbpfdpndnpmmbenemfkipninnnlhllo.crx

          Filesize

          7KB

          MD5

          0336a64d3be7db7c786521323e4eb9ed

          SHA1

          5dd707aebe266233bfd936e2564e68e76c9a6a0c

          SHA256

          689ca43dbc33655d2546e4ded816d325a43cc97798f4b2a0a8a5840f5275d730

          SHA512

          54018d06ee7c46a75ab4129131292b1e9895462fad37c2f32e8f6315dedcfa58067e9d333166009bae1bcf4aa7b6cd2f86e054d60b01f40c8957f2190b6e069e

        • C:\Users\Admin\AppData\Local\Temp\7zS1F25.tmp\settings.ini

          Filesize

          903B

          MD5

          3e78de4f9169ea09ea9ef0716b854aa4

          SHA1

          7745f291f254a079f17b396f88e367ef4fbdb2d0

          SHA256

          5a4572b92b6b24052e209b1a5f76a57ee311f5914c211e1481280a70dfafa501

          SHA512

          ebd2da342413b1f5006eac922043e82d6f7449753f0aa2f960e06169ee92af890a17b4ce30840b11ac2910ff132857123a9a15fa756a673ce6cda6b431aad67e

        • \ProgramData\wxDownload\50673cfb5c4f6.ocx

          Filesize

          151KB

          MD5

          c78c6140cb88ef4dc94f999291bb5ab1

          SHA1

          65b47ed5ec889e0e558c79a13a81193fc59b8ce9

          SHA256

          6cfc7fb43715fb13c53ab2a29b68f3a0a0f285c85d1b1443f2c5e73526646851

          SHA512

          ac8865cb1bec889ba493cad3f4c4bac87bfb2fdb15c518626ffa5f8ac6799a6f5c84f358d3e7d35824d6aba29af46c1078acdf30c3bd93981be61312baf6bd26

        • \ProgramData\wxDownload\uninstall.exe

          Filesize

          48KB

          MD5

          a724dac649142fef71fe4b529684e969

          SHA1

          e2878e84886ec53a1332ad969a825062526b5cd4

          SHA256

          b58c58b5073034d74c5d93902bbb9d402be063e907bdf77115b55bbb99af21dc

          SHA512

          9f475ad52fa2b7f82e74df87c02e42f937b5e3b62773b7d51cb53facfcc8b4934ad3c2fc21496cfabaa4dd103a309ed5cccad1ad3d6037f6c4f3a540e3e9d5b3

        • \Users\Admin\AppData\Local\Temp\7zS1F25.tmp\50673cfb5c4bd.exe

          Filesize

          65KB

          MD5

          4ccf1a317aa8539c857835e4ebe9c806

          SHA1

          223b73d09d7398f40aff3ccc569e66cae3886ee9

          SHA256

          4529889c5575cd4e28b3691f0489c806442840292a9e459ada4dab3e024cc242

          SHA512

          ecab68799b5a51c7d2a3735a9b3c17ba20a315618aa9575a5b02d5d4535716966031a26982012669f069dbfd8a6ab62f95737b7c402bf680f3a498900f627312

        • \Users\Admin\AppData\Local\Temp\nso209D.tmp\UserInfo.dll

          Filesize

          4KB

          MD5

          7579ade7ae1747a31960a228ce02e666

          SHA1

          8ec8571a296737e819dcf86353a43fcf8ec63351

          SHA256

          564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5

          SHA512

          a88bc56e938374c333b0e33cb72951635b5d5a98b9cb2d6785073cbcad23bf4c0f9f69d3b7e87b46c76eb03ced9bb786844ce87656a9e3df4ca24acf43d7a05b

        • memory/756-54-0x0000000075ED1000-0x0000000075ED3000-memory.dmp

          Filesize

          8KB