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Analysis

  • max time kernel
    42s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    01/12/2022, 06:39

General

  • Target

    d10134bca059485de01a3f9adc49943ceb4f3147194fc66adfc31cc966725f3f.exe

  • Size

    250KB

  • MD5

    e7355d48504227208d2f68eccefd00a5

  • SHA1

    3e7c356e63eb253ef6dd57f60e6a29c33f719753

  • SHA256

    d10134bca059485de01a3f9adc49943ceb4f3147194fc66adfc31cc966725f3f

  • SHA512

    fd2b746cc4349ae06e57783a52e74550ae75b315c8f2a68639d15ca77a2cffc02a3d7ebbdae28788aff35d3d3c37310d8f6305b2e405f1c70ac53cee0bf305b4

  • SSDEEP

    6144:h1OgDPdkBAFZWjadD4s5S8qYysozWODlf:h1OgLdaOcYysif

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\d10134bca059485de01a3f9adc49943ceb4f3147194fc66adfc31cc966725f3f.exe
    "C:\Users\Admin\AppData\Local\Temp\d10134bca059485de01a3f9adc49943ceb4f3147194fc66adfc31cc966725f3f.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:800
    • C:\Users\Admin\AppData\Local\Temp\7zSED3D.tmp\506739a18a879.exe
      .\506739a18a879.exe /s
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Installs/modifies Browser Helper Object
      • Modifies registry class
      • System policy modification
      PID:1852

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\7zSED3D.tmp\[email protected]\bootstrap.js

    Filesize

    2KB

    MD5

    0d3b0b60c53f1b3e5f7e8a7a8f9ce6cb

    SHA1

    d18624e82a5ee5c38bb43939639f88afb82f8c80

    SHA256

    131172692f38ac5a60b4847bef0d7f028b4fc45753b5a0f702a3a7e922a136b6

    SHA512

    693666b013dbf4f264752faa3ff38773474d8383a4f9b93d5c353481136aaa3e7aa9a6af9ff9903633b0846c5a63b7d9262edcc4a26f16311da65289aea2beca

  • C:\Users\Admin\AppData\Local\Temp\7zSED3D.tmp\[email protected]\chrome.manifest

    Filesize

    116B

    MD5

    0aa688f502a55a9e60842256d9721588

    SHA1

    830a3b68d07acba35369c04f85b2e0d71a94befe

    SHA256

    7da3c4a97c019f9612fda258ad5888292c257d9e002a5478580ee2706a88dd0b

    SHA512

    5538af834c3ef82099013197fd989f25207f5ae8d1705bef0c22013e2a0de2c47df45702e3d89582c5a46593f89693e262601b042b423793aac5f6713bcf3a7e

  • C:\Users\Admin\AppData\Local\Temp\7zSED3D.tmp\[email protected]\content\bg.js

    Filesize

    8KB

    MD5

    2bbc7a6812504e6826d200bd54982aff

    SHA1

    ba9f52f9f82553b3c28504c9b43087d4739e84bc

    SHA256

    9b84acb119a578428e79f551cf31e7b3125a7c4756920f3965930cb3964d9e20

    SHA512

    2e3bc37e2c8827fc0dfc5a0e56c75a276e1ddd0867af10abe6cabc67c009bb8713236c8b461ef8698e75bcbd5676b2ebe82ee5876ddd77eea2f5a2aa1348a5e5

  • C:\Users\Admin\AppData\Local\Temp\7zSED3D.tmp\[email protected]\content\zy.xul

    Filesize

    225B

    MD5

    adafccf52e4f9f4fec4cbe6ab941679b

    SHA1

    ff9482add72ab441e6727051585524bc39d06b81

    SHA256

    61b10f0c219e839d51493c2421497544eace9100ccb9fb3458301987b71178b3

    SHA512

    c06cfba7238b5bf52fd1d914f91cae3b7b61e2bb3407b300f329083e8c398381541881c738833bf2017c33cb9c2fbd04dd99bb064d742c2687902bfe87679f7b

  • C:\Users\Admin\AppData\Local\Temp\7zSED3D.tmp\[email protected]\install.rdf

    Filesize

    717B

    MD5

    b3a06cc1e8b9e385c586ac32f7f344d1

    SHA1

    799e71f07a4279bf1c166374cf01f69aaefa1d52

    SHA256

    eb3e82be52bdb50a47f4d5c336cb50337bf23cf1b381ef351b7e5d5ee05ebdf4

    SHA512

    7a5db5bfaeca8303373bd7985126906f120dc0e0002f5daa0444b8a6339d3401cf63fb088116bb1179f2dc5893f16f1a079ba48f39116400b169c2a94ffa4fad

  • C:\Users\Admin\AppData\Local\Temp\7zSED3D.tmp\506739a18a879.exe

    Filesize

    65KB

    MD5

    4ccf1a317aa8539c857835e4ebe9c806

    SHA1

    223b73d09d7398f40aff3ccc569e66cae3886ee9

    SHA256

    4529889c5575cd4e28b3691f0489c806442840292a9e459ada4dab3e024cc242

    SHA512

    ecab68799b5a51c7d2a3735a9b3c17ba20a315618aa9575a5b02d5d4535716966031a26982012669f069dbfd8a6ab62f95737b7c402bf680f3a498900f627312

  • C:\Users\Admin\AppData\Local\Temp\7zSED3D.tmp\506739a18a879.exe

    Filesize

    65KB

    MD5

    4ccf1a317aa8539c857835e4ebe9c806

    SHA1

    223b73d09d7398f40aff3ccc569e66cae3886ee9

    SHA256

    4529889c5575cd4e28b3691f0489c806442840292a9e459ada4dab3e024cc242

    SHA512

    ecab68799b5a51c7d2a3735a9b3c17ba20a315618aa9575a5b02d5d4535716966031a26982012669f069dbfd8a6ab62f95737b7c402bf680f3a498900f627312

  • C:\Users\Admin\AppData\Local\Temp\7zSED3D.tmp\506739a18a8b2.ocx

    Filesize

    151KB

    MD5

    c78c6140cb88ef4dc94f999291bb5ab1

    SHA1

    65b47ed5ec889e0e558c79a13a81193fc59b8ce9

    SHA256

    6cfc7fb43715fb13c53ab2a29b68f3a0a0f285c85d1b1443f2c5e73526646851

    SHA512

    ac8865cb1bec889ba493cad3f4c4bac87bfb2fdb15c518626ffa5f8ac6799a6f5c84f358d3e7d35824d6aba29af46c1078acdf30c3bd93981be61312baf6bd26

  • C:\Users\Admin\AppData\Local\Temp\7zSED3D.tmp\506739a18a8eb.html

    Filesize

    4KB

    MD5

    6eaa10176ae7fb83791ba23a07b57f91

    SHA1

    93fa4fcf4c1af72c8ae48684eae57eccf3a8a54b

    SHA256

    4b38e35891a1aa248f820485b52330c7567e6f39a80ddaa1776cdc66dcf5fde3

    SHA512

    5dc5056e044dc29a674d2daa98669d4e8c950995236e0c5fdede445e8790e4bb0a55a40356632616589048deef1d5352a9d211a817ea33e41b243ab15cb445fc

  • C:\Users\Admin\AppData\Local\Temp\7zSED3D.tmp\506739a18a924.js

    Filesize

    9B

    MD5

    99fa5d714d971a49b67de27e0d8871be

    SHA1

    d0621e846ea60fa8d0b2c8e622e495af49cd7359

    SHA256

    f560d76474380da948a0c5ab8682dc026822d9685268c592f315224b1b968bf6

    SHA512

    2fec19e4f2a974227922a7e057890141523ae73fbfa127f9e8cd00dff71b29abb93cb865c6d74ecf3df8bca440c558d4fbf2f80e82cc9636320ab5edb95ebad5

  • C:\Users\Admin\AppData\Local\Temp\7zSED3D.tmp\embhncjfdckijfefmcpmhnglhifhijpo.crx

    Filesize

    7KB

    MD5

    f1c01ae327805648683d79823b8ff74c

    SHA1

    2357a64f5643c06ad28531c400ad4602a94c3cec

    SHA256

    59be707514f546da1859b94f8566aaf7b4794127a2764ada4ea2ccb2dacce110

    SHA512

    98f06d1cfa01e31dea49f2256abce8141e025b976aef8d1fcefcb30f99b8247cedf0575e73ab7b3621a1358c39460afb9214fde214f2530fc40aa4f7bb75b8e8

  • C:\Users\Admin\AppData\Local\Temp\7zSED3D.tmp\settings.ini

    Filesize

    903B

    MD5

    f95a1f9a1e6dda67f569eeb54c42c113

    SHA1

    59120e7a9c756216b9b8fbab2d30579f562260e4

    SHA256

    8ed86fc9ba4610679642470f8a6ffd91b412949a30f4beb8b1f2f4180ae0417f

    SHA512

    8bd905f9521a63bc7343463102834b4b320c73f199bcaed75fa8560776d1ab849f981e8b5f50190edcc6fbb7bbae585b833cc66de526d1d66f81f24bf73a5af5

  • \ProgramData\wxDownload\506739a18a8b2.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\7zSED3D.tmp\506739a18a879.exe

    Filesize

    65KB

    MD5

    4ccf1a317aa8539c857835e4ebe9c806

    SHA1

    223b73d09d7398f40aff3ccc569e66cae3886ee9

    SHA256

    4529889c5575cd4e28b3691f0489c806442840292a9e459ada4dab3e024cc242

    SHA512

    ecab68799b5a51c7d2a3735a9b3c17ba20a315618aa9575a5b02d5d4535716966031a26982012669f069dbfd8a6ab62f95737b7c402bf680f3a498900f627312

  • \Users\Admin\AppData\Local\Temp\nsiF317.tmp\UserInfo.dll

    Filesize

    4KB

    MD5

    7579ade7ae1747a31960a228ce02e666

    SHA1

    8ec8571a296737e819dcf86353a43fcf8ec63351

    SHA256

    564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5

    SHA512

    a88bc56e938374c333b0e33cb72951635b5d5a98b9cb2d6785073cbcad23bf4c0f9f69d3b7e87b46c76eb03ced9bb786844ce87656a9e3df4ca24acf43d7a05b

  • memory/800-54-0x0000000075521000-0x0000000075523000-memory.dmp

    Filesize

    8KB