Analysis

  • max time kernel
    128s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-11-2022 21:51

General

  • Target

    99007654cd0918ec73a9f55ce20c278677d6c654d43b268c505f1b2eff0904b2.exe

  • Size

    4.2MB

  • MD5

    74ea83c3a3d36f5efd1fc36d78247558

  • SHA1

    7211f97b8ab6b0f209a92fa569a28bb848900b54

  • SHA256

    99007654cd0918ec73a9f55ce20c278677d6c654d43b268c505f1b2eff0904b2

  • SHA512

    aaddb2ec05fa0689a81612eb8a1d907de13f80d167bd1010f845861ba0498eab6f43e0cb53cb2298e8c03f69137f3af1accef53c8665c3ef5fcadefe7f0eea61

  • SSDEEP

    98304:CaJQkdVemaiVo4XYOhhMeybCysmlqDkx:vVTMeywDkx

Malware Config

Signatures

  • Registers COM server for autorun 1 TTPs 4 IoCs
  • Loads dropped DLL 3 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
  • Installs/modifies Browser Helper Object 2 TTPs 8 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Drops file in System32 directory 4 IoCs
  • Drops file in Program Files directory 8 IoCs
  • Modifies Internet Explorer settings 1 TTPs 8 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\99007654cd0918ec73a9f55ce20c278677d6c654d43b268c505f1b2eff0904b2.exe
    "C:\Users\Admin\AppData\Local\Temp\99007654cd0918ec73a9f55ce20c278677d6c654d43b268c505f1b2eff0904b2.exe"
    1⤵
    • Loads dropped DLL
    • Drops Chrome extension
    • Installs/modifies Browser Helper Object
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:2776
    • C:\Windows\SysWOW64\regsvr32.exe
      regsvr32.exe /s "C:\Program Files (x86)\SmartOnes\OCLJQk6Eixuwb0.x64.dll"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:4596
      • C:\Windows\system32\regsvr32.exe
        /s "C:\Program Files (x86)\SmartOnes\OCLJQk6Eixuwb0.x64.dll"
        3⤵
        • Registers COM server for autorun
        • Loads dropped DLL
        • Installs/modifies Browser Helper Object
        • Modifies Internet Explorer settings
        • Modifies registry class
        PID:1556
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
    1⤵
      PID:356
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
      1⤵
        PID:4592

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Program Files (x86)\SmartOnes\OCLJQk6Eixuwb0.dat

        Filesize

        3KB

        MD5

        7e9e6d5b2f229cd943d274f90a53ab32

        SHA1

        a690bcfac276dd43369aff24c362512adaa6e2e6

        SHA256

        9519f7fefad1c6e61caaa4bfb12a34c8413ea777945e4ed9fae40530b14c367e

        SHA512

        1a41f891caa6aa0467600c65d80ea244610443fef9b17d6ffa4e17433b88f80314cbefd9a0bfdc237eb94ca6233e54a3cee313e248206a7fe66abbfdeba991c6

      • C:\Program Files (x86)\SmartOnes\OCLJQk6Eixuwb0.dll

        Filesize

        740KB

        MD5

        f37095c241e62cc8b66a00a187fd1155

        SHA1

        82a9120f26b4e76df5fe123a5176d28aa898b23c

        SHA256

        0810e4c7b6fb4ad3f7a3abee5bf321f720515e6c3e605c9348bc51e741906874

        SHA512

        eab1bdf2b0f79af777ce967d02789cf3fc39a09fafa43ff230a650bc42e871538e98953479a2849249d765037dc92175069335d8010da4fc1286f48a088b8b9b

      • C:\Program Files (x86)\SmartOnes\OCLJQk6Eixuwb0.tlb

        Filesize

        3KB

        MD5

        dad7dc8242a2925ade239718a506374e

        SHA1

        08d7aba181e62216e2976c15a9107b760e0ef3ab

        SHA256

        7dd64eeefd4900b4ef39b47ef2cbe5cf6f7e184ca74dedb351c749c60d39981b

        SHA512

        71dd707836f3415c8b36cc485a879f82d3d5bd0cae95b891eb8cc3fcb3a3ada8f3fa53b68a06a866bca111b8c72d75bcefc118c9785fa20178cf13c4e57ac8ea

      • C:\Program Files (x86)\SmartOnes\OCLJQk6Eixuwb0.x64.dll

        Filesize

        875KB

        MD5

        0c3a0b1a34377f22a3a16b868c74205c

        SHA1

        d24dd7c000de9f860b66a66539ea145feb8d94cc

        SHA256

        4744114a0e7734acac9ec0e7c91da4074811f5b71349d235491da22a3f6293fc

        SHA512

        0785ea18a70c03858026fe056c630a83231db8941407766cca99ab8414868943e6994964a15aa7ec8d13a72daafa016e0d2ca638b43e6e21cf077fc8f96bbc61

      • C:\Program Files (x86)\SmartOnes\OCLJQk6Eixuwb0.x64.dll

        Filesize

        875KB

        MD5

        0c3a0b1a34377f22a3a16b868c74205c

        SHA1

        d24dd7c000de9f860b66a66539ea145feb8d94cc

        SHA256

        4744114a0e7734acac9ec0e7c91da4074811f5b71349d235491da22a3f6293fc

        SHA512

        0785ea18a70c03858026fe056c630a83231db8941407766cca99ab8414868943e6994964a15aa7ec8d13a72daafa016e0d2ca638b43e6e21cf077fc8f96bbc61

      • C:\Program Files (x86)\SmartOnes\OCLJQk6Eixuwb0.x64.dll

        Filesize

        875KB

        MD5

        0c3a0b1a34377f22a3a16b868c74205c

        SHA1

        d24dd7c000de9f860b66a66539ea145feb8d94cc

        SHA256

        4744114a0e7734acac9ec0e7c91da4074811f5b71349d235491da22a3f6293fc

        SHA512

        0785ea18a70c03858026fe056c630a83231db8941407766cca99ab8414868943e6994964a15aa7ec8d13a72daafa016e0d2ca638b43e6e21cf077fc8f96bbc61

      • memory/1556-141-0x0000000000000000-mapping.dmp

      • memory/2776-132-0x0000000003850000-0x000000000391B000-memory.dmp

        Filesize

        812KB

      • memory/4596-138-0x0000000000000000-mapping.dmp