Analysis

  • max time kernel
    44s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    01/12/2022, 06:40

General

  • Target

    adc1a60823beabdf8621598d08927dadf45ac3db7108e1b95fdc7ea36b94235a.exe

  • Size

    250KB

  • MD5

    9f1d0480e3610b8db6f3ab7722d1e915

  • SHA1

    d85c202d90da78a30fd5d1bd6708fd3bdf2af802

  • SHA256

    adc1a60823beabdf8621598d08927dadf45ac3db7108e1b95fdc7ea36b94235a

  • SHA512

    224ff08ca5ff8326264ec81ce81c851fc64e9a271122720924a6b9050ff3ca47ab3f6c58be3bde88469a7921dacb849525c391727df3b0735369f110fe5eb0cb

  • SSDEEP

    6144:h1OgDPdkBAFZWjadD4s5uOYYBCUz45tPJB:h1OgLdaOuOXgNjJB

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\adc1a60823beabdf8621598d08927dadf45ac3db7108e1b95fdc7ea36b94235a.exe
    "C:\Users\Admin\AppData\Local\Temp\adc1a60823beabdf8621598d08927dadf45ac3db7108e1b95fdc7ea36b94235a.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2032
    • C:\Users\Admin\AppData\Local\Temp\7zS761.tmp\506ddaea79f7c.exe
      .\506ddaea79f7c.exe /s
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Installs/modifies Browser Helper Object
      • Modifies registry class
      • System policy modification
      PID:944

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\7zS761.tmp\[email protected]\bootstrap.js

          Filesize

          2KB

          MD5

          2e85cfa55628338ccdf0c6debe56e536

          SHA1

          375fff48a62aa87284825d52686f7e61489e120d

          SHA256

          db269879f8bbbbb29bbd8dc0653c1ac4eb472dd9638508e8e7063d649c7cd6ab

          SHA512

          1cfd636dcc934d0e60922d2e4c8b146d181461e34ef3bc6a25d0ab2d92e150020eefcfa227f28bfac89a07a5984c209946fd3d64291ac57e1c1eb8a9fd8f2291

        • C:\Users\Admin\AppData\Local\Temp\7zS761.tmp\[email protected]\chrome.manifest

          Filesize

          116B

          MD5

          ae89604cb7d4e68f694664e67f813e60

          SHA1

          a9a28dba49723afee8c3f6d027cd04609bb8b9df

          SHA256

          82da87b7a045cf1954145d28860142cc09b3bce7b3e1e2c05cec5c8a4d8aa6df

          SHA512

          046b04e6a0fa9a1892329134274e6530c1f46f5beb1323dbedff4d983f7887a88dc7030dbb6f84e63bc8e6f60893e3094396608214d50632bedde2cf92676640

        • C:\Users\Admin\AppData\Local\Temp\7zS761.tmp\[email protected]\content\bg.js

          Filesize

          8KB

          MD5

          1cb8a01fdde5bfdbd903ff93610ec87b

          SHA1

          d2f62b6a8f792bdc0552e17dd38e01e07a70ef54

          SHA256

          7e9a592308d669c27efe1e3ed33ee6a48c561897c8301a4f31c2f01a9701ae4d

          SHA512

          9bca2f0c02b799be364288949f8009a11df17c5989c40af408c0c77ef2de5d65d9bac2fa6fb1aa15db211ee7fa1aee9a97002b55bd0136e49d1cffc9ed16d31d

        • C:\Users\Admin\AppData\Local\Temp\7zS761.tmp\[email protected]\content\zy.xul

          Filesize

          225B

          MD5

          9a80d5ee587c4663e217edfb7755d6b8

          SHA1

          2c22990ed8627bf03f22a6ea1e04ac75fb0562c8

          SHA256

          41b32400525bc4fa4307da2deee5baa01fb1d3231d86409458497607e1df2291

          SHA512

          550e12d8784bec8318cdcab0143279d6b5d8749bc3fb646613e6abe8f5b025840e45aef4878d8b512b7d86472859fbec17489fc513be2107f637d3a9de6bad6e

        • C:\Users\Admin\AppData\Local\Temp\7zS761.tmp\[email protected]\install.rdf

          Filesize

          717B

          MD5

          39a819e04d636df0ab08af873c83b6a2

          SHA1

          d3f268759a59efa36df8085865cca824137cc9d6

          SHA256

          04edb6b5324cff85c8ae1fcdafa0315dcf88693291cb43d77d2068165efeb59e

          SHA512

          71d9eeb2f4c207818c76b3d1f2015a15f05587655c317e2a42682f9a6d9cd7fb14c0c86a4ae4aa7c8e9234b9a5ea009b01177c865b404de099dcfb0c81763f85

        • C:\Users\Admin\AppData\Local\Temp\7zS761.tmp\506ddaea79f7c.exe

          Filesize

          65KB

          MD5

          4ccf1a317aa8539c857835e4ebe9c806

          SHA1

          223b73d09d7398f40aff3ccc569e66cae3886ee9

          SHA256

          4529889c5575cd4e28b3691f0489c806442840292a9e459ada4dab3e024cc242

          SHA512

          ecab68799b5a51c7d2a3735a9b3c17ba20a315618aa9575a5b02d5d4535716966031a26982012669f069dbfd8a6ab62f95737b7c402bf680f3a498900f627312

        • C:\Users\Admin\AppData\Local\Temp\7zS761.tmp\506ddaea79f7c.exe

          Filesize

          65KB

          MD5

          4ccf1a317aa8539c857835e4ebe9c806

          SHA1

          223b73d09d7398f40aff3ccc569e66cae3886ee9

          SHA256

          4529889c5575cd4e28b3691f0489c806442840292a9e459ada4dab3e024cc242

          SHA512

          ecab68799b5a51c7d2a3735a9b3c17ba20a315618aa9575a5b02d5d4535716966031a26982012669f069dbfd8a6ab62f95737b7c402bf680f3a498900f627312

        • C:\Users\Admin\AppData\Local\Temp\7zS761.tmp\506ddaea79fb5.ocx

          Filesize

          151KB

          MD5

          c78c6140cb88ef4dc94f999291bb5ab1

          SHA1

          65b47ed5ec889e0e558c79a13a81193fc59b8ce9

          SHA256

          6cfc7fb43715fb13c53ab2a29b68f3a0a0f285c85d1b1443f2c5e73526646851

          SHA512

          ac8865cb1bec889ba493cad3f4c4bac87bfb2fdb15c518626ffa5f8ac6799a6f5c84f358d3e7d35824d6aba29af46c1078acdf30c3bd93981be61312baf6bd26

        • C:\Users\Admin\AppData\Local\Temp\7zS761.tmp\506ddaea79fee.html

          Filesize

          4KB

          MD5

          f03e84494e77a2c47fa262cd78a4bacf

          SHA1

          9c320b06e25e3b72b11862e35f256e876df978b1

          SHA256

          ef9903d99465c7b1a4186e72e7f788d992f9010c844a784dae40d6dfe11d2e19

          SHA512

          564d317dc6c9bc9beecb4dd4443f7877472ea1e44252f4eadf85fe23f35604b359cd68a16ab9c6553babd8482e717812cf5ceaf3cb4d397126de976bf804b51d

        • C:\Users\Admin\AppData\Local\Temp\7zS761.tmp\506ddaea7a026.js

          Filesize

          9B

          MD5

          99fa5d714d971a49b67de27e0d8871be

          SHA1

          d0621e846ea60fa8d0b2c8e622e495af49cd7359

          SHA256

          f560d76474380da948a0c5ab8682dc026822d9685268c592f315224b1b968bf6

          SHA512

          2fec19e4f2a974227922a7e057890141523ae73fbfa127f9e8cd00dff71b29abb93cb865c6d74ecf3df8bca440c558d4fbf2f80e82cc9636320ab5edb95ebad5

        • C:\Users\Admin\AppData\Local\Temp\7zS761.tmp\paddmjcbcfghfdchkdjjgpbjmggdedpa.crx

          Filesize

          7KB

          MD5

          e8c7a6babfb983f986d52346e22ee99a

          SHA1

          ec43c96ef60f19070d15c61ad4c78ccca12f20da

          SHA256

          eb32251918de681882a1e36cacd0e53959e98a1b2c0e99b134f2a12801e4c8da

          SHA512

          5ee7dfea02b6522ae626a5ecaa191e3e19e70af274303b9290231320bceb95d27376c13b36182ad764b3f97c47d6117493c574f9167e2c13a5dde6314a7084ef

        • C:\Users\Admin\AppData\Local\Temp\7zS761.tmp\settings.ini

          Filesize

          903B

          MD5

          7b656b729393d5f99e4ef63d0ff41188

          SHA1

          1d072b41e9eb7513d594216b82118a5208365c2d

          SHA256

          782547ef2946f4fcb7021def9ba9a23ddb62848dfd72f213b08e66080a906bc4

          SHA512

          ac1738c17423aebac429f8a3a6be1c0905a1311e4f8df67b0a0dd12b1af7aa280c082b6cc8b1437eaa710696a0965e093da66d04dfe63b04fc01850c75b24bba

        • \ProgramData\wxDownload\506ddaea79fb5.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\7zS761.tmp\506ddaea79f7c.exe

          Filesize

          65KB

          MD5

          4ccf1a317aa8539c857835e4ebe9c806

          SHA1

          223b73d09d7398f40aff3ccc569e66cae3886ee9

          SHA256

          4529889c5575cd4e28b3691f0489c806442840292a9e459ada4dab3e024cc242

          SHA512

          ecab68799b5a51c7d2a3735a9b3c17ba20a315618aa9575a5b02d5d4535716966031a26982012669f069dbfd8a6ab62f95737b7c402bf680f3a498900f627312

        • \Users\Admin\AppData\Local\Temp\nsd84C.tmp\UserInfo.dll

          Filesize

          4KB

          MD5

          7579ade7ae1747a31960a228ce02e666

          SHA1

          8ec8571a296737e819dcf86353a43fcf8ec63351

          SHA256

          564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5

          SHA512

          a88bc56e938374c333b0e33cb72951635b5d5a98b9cb2d6785073cbcad23bf4c0f9f69d3b7e87b46c76eb03ced9bb786844ce87656a9e3df4ca24acf43d7a05b

        • memory/2032-54-0x00000000766D1000-0x00000000766D3000-memory.dmp

          Filesize

          8KB