Analysis

  • max time kernel
    149s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-11-2022 21:17

General

  • Target

    a4a7ca31f97b54313c4a2b3ff0fbf2f03836c50067b3fec0c71c8c9819ae49fb.exe

  • Size

    932KB

  • MD5

    3150ea072b3deeae6871b7c0b38f835e

  • SHA1

    56f0fb8bef76afc9b2f9f71b117cec02668aab48

  • SHA256

    a4a7ca31f97b54313c4a2b3ff0fbf2f03836c50067b3fec0c71c8c9819ae49fb

  • SHA512

    39282b4f4dd572f8213a06d3345b74686e97313536e79e13413b7a57025d416b1f40c30b1bdb63e4a27b6695ae6ae82e0087bb244ea95b5a336f474497718577

  • SSDEEP

    24576:h1OYdaO8CZ/iWCvu/2sWsJA/jlt+DHhsd:h1Os2CpYO/dJJDHhsd

Malware Config

Signatures

  • Executes dropped EXE 1 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.

  • Drops Chrome extension 5 IoCs
  • Drops file in System32 directory 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a4a7ca31f97b54313c4a2b3ff0fbf2f03836c50067b3fec0c71c8c9819ae49fb.exe
    "C:\Users\Admin\AppData\Local\Temp\a4a7ca31f97b54313c4a2b3ff0fbf2f03836c50067b3fec0c71c8c9819ae49fb.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2268
    • C:\Users\Admin\AppData\Local\Temp\7zS934C.tmp\b9BYqT8nl1LzygA.exe
      .\b9BYqT8nl1LzygA.exe
      2⤵
      • Executes dropped EXE
      • Drops Chrome extension
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3004
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
    1⤵
      PID:3308
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
      1⤵
        PID:1940

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\7zS934C.tmp\b9BYqT8nl1LzygA.dat

        Filesize

        1KB

        MD5

        665662dbf57284a9136199bf858a8930

        SHA1

        a7c358e63ad089232d8b6e0ed289bc18ecb31cdc

        SHA256

        23258ea5ae391c7a9e75ba4365e9c0b986e41261ec54324a5a967dcf54a5f2a8

        SHA512

        87c864bce123e04fc5ba5e172a104bb598696a078d00b2a6042475ecc005d46ce0d9f0a3dd46edfeb5502f312c9ceddd9915ca21f9c862fc8cd52f7f336c6eed

      • C:\Users\Admin\AppData\Local\Temp\7zS934C.tmp\b9BYqT8nl1LzygA.exe

        Filesize

        772KB

        MD5

        5ed7019dcd0008dbcd8e54017b8c7dd9

        SHA1

        7e4457da2ff06c2170bad636c9eb7c1bb436fd06

        SHA256

        7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

        SHA512

        10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

      • C:\Users\Admin\AppData\Local\Temp\7zS934C.tmp\b9BYqT8nl1LzygA.exe

        Filesize

        772KB

        MD5

        5ed7019dcd0008dbcd8e54017b8c7dd9

        SHA1

        7e4457da2ff06c2170bad636c9eb7c1bb436fd06

        SHA256

        7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

        SHA512

        10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

      • C:\Users\Admin\AppData\Local\Temp\7zS934C.tmp\clbnogandmpblfdcgheifbndlagilnmf\RBTU8hW.js

        Filesize

        6KB

        MD5

        5ca72084573b80b1a7fb64502a9f3611

        SHA1

        3ad5bd894ac758fad69c19ee7fde28b9c3dcf151

        SHA256

        4600edba441967df85f4521ddabf05c377716d5d90a882c8ea37d1e1c20d1dfb

        SHA512

        559345ac6cc6f51f1bcc3f86c03d477e9651935d72fd5d637b9d9fd095cdc00e3ea7bca95a4e8918116a98c3b7a8c6a5bb04911456ada4fe87acf6fe2b5024c3

      • C:\Users\Admin\AppData\Local\Temp\7zS934C.tmp\clbnogandmpblfdcgheifbndlagilnmf\background.html

        Filesize

        144B

        MD5

        f5e6cd8a80e5af0ce6652d47fdd4a352

        SHA1

        7758561261c7e34a5c767cf51b394a8568ec8eaf

        SHA256

        2096400c71fff2ce72ae28c779f1b28bff97082cc5234ec5098e3d78e9f26309

        SHA512

        83a620b1e96d8f6d23abd11cb343bfe3658a6f949646cc7bf6619dfe01dbb6499b0d49054a3eada5f3e3db0d328af52ea8a5f79c7d6b50aa0fad6227915e4e54

      • C:\Users\Admin\AppData\Local\Temp\7zS934C.tmp\clbnogandmpblfdcgheifbndlagilnmf\content.js

        Filesize

        144B

        MD5

        fca19198fd8af21016a8b1dec7980002

        SHA1

        fd01a47d14004e17a625efe66cc46a06c786cf40

        SHA256

        332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

        SHA512

        60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

      • C:\Users\Admin\AppData\Local\Temp\7zS934C.tmp\clbnogandmpblfdcgheifbndlagilnmf\lsdb.js

        Filesize

        531B

        MD5

        36d98318ab2b3b2585a30984db328afb

        SHA1

        f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

        SHA256

        ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

        SHA512

        6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

      • C:\Users\Admin\AppData\Local\Temp\7zS934C.tmp\clbnogandmpblfdcgheifbndlagilnmf\manifest.json

        Filesize

        498B

        MD5

        640199ea4621e34510de919f6a54436f

        SHA1

        dc65dbfad02bd2688030bd56ca1cab85917a9937

        SHA256

        e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

        SHA512

        d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

      • C:\Users\Admin\AppData\Local\Temp\7zS934C.tmp\[email protected]\bootstrap.js

        Filesize

        2KB

        MD5

        df13f711e20e9c80171846d4f2f7ae06

        SHA1

        56d29cda58427efe0e21d3880d39eb1b0ef60bee

        SHA256

        6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

        SHA512

        6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

      • C:\Users\Admin\AppData\Local\Temp\7zS934C.tmp\[email protected]\chrome.manifest

        Filesize

        35B

        MD5

        e668b1f2ad14923027de015e2f9125e7

        SHA1

        829fa0015a40b4f9b3fc3d0d1bdfcbe26fc004f8

        SHA256

        1ad4dc2b66da2a4c0efc14e7fa2f41e9801fe8f5a5cd0a8f3cc34dc4197a1298

        SHA512

        00cec34bef5f89cd45a84723f4f8230319d38387a9f3a378766901baa3e83c9be109ac205d034a8f9567ca637db518ed7a55b357841baf941b59a50b47328e81

      • C:\Users\Admin\AppData\Local\Temp\7zS934C.tmp\[email protected]\content\bg.js

        Filesize

        9KB

        MD5

        2f22c28c0ce996303f432d7f65421c71

        SHA1

        0da8984f8e7650b91af776303a5e6f6a23a5603d

        SHA256

        37b2253e073069764238a9066f175e141771965f99266a5cbade02eae9333970

        SHA512

        02274cbde7a557a57ca8111bec9ad076037432ea34cec0acbdcbcf3c48245460d1df62cdbffee5d472db025ad40b71e8218e1a194de49190cac4bbee107691b4

      • C:\Users\Admin\AppData\Local\Temp\7zS934C.tmp\[email protected]\install.rdf

        Filesize

        591B

        MD5

        977d2f9e634f12392978249c7bfdb381

        SHA1

        7ca58d85d53ea335f41a081015a91979fa2f3fd0

        SHA256

        6f31f6d1cb0d53a5ab500ffbd4a3fc8b02375c6b984539161f2eb6d01cf33114

        SHA512

        c8e678fc2273ee628cbd01566284ebfaad6e8edc07675e92e3acac5ba9e600de5962b311fe91962a13fa9482753e33b42fee89f2ba5c726d1f5dee803d9449ad

      • memory/3004-132-0x0000000000000000-mapping.dmp