Analysis

  • max time kernel
    43s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-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 3 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 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • System policy modification 1 TTPs 2 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:1900
    • 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:620
      • 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:1684

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    3KB

    MD5

    7e9e6d5b2f229cd943d274f90a53ab32

    SHA1

    a690bcfac276dd43369aff24c362512adaa6e2e6

    SHA256

    9519f7fefad1c6e61caaa4bfb12a34c8413ea777945e4ed9fae40530b14c367e

    SHA512

    1a41f891caa6aa0467600c65d80ea244610443fef9b17d6ffa4e17433b88f80314cbefd9a0bfdc237eb94ca6233e54a3cee313e248206a7fe66abbfdeba991c6

  • 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

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

    Filesize

    740KB

    MD5

    f37095c241e62cc8b66a00a187fd1155

    SHA1

    82a9120f26b4e76df5fe123a5176d28aa898b23c

    SHA256

    0810e4c7b6fb4ad3f7a3abee5bf321f720515e6c3e605c9348bc51e741906874

    SHA512

    eab1bdf2b0f79af777ce967d02789cf3fc39a09fafa43ff230a650bc42e871538e98953479a2849249d765037dc92175069335d8010da4fc1286f48a088b8b9b

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

    Filesize

    875KB

    MD5

    0c3a0b1a34377f22a3a16b868c74205c

    SHA1

    d24dd7c000de9f860b66a66539ea145feb8d94cc

    SHA256

    4744114a0e7734acac9ec0e7c91da4074811f5b71349d235491da22a3f6293fc

    SHA512

    0785ea18a70c03858026fe056c630a83231db8941407766cca99ab8414868943e6994964a15aa7ec8d13a72daafa016e0d2ca638b43e6e21cf077fc8f96bbc61

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

    Filesize

    875KB

    MD5

    0c3a0b1a34377f22a3a16b868c74205c

    SHA1

    d24dd7c000de9f860b66a66539ea145feb8d94cc

    SHA256

    4744114a0e7734acac9ec0e7c91da4074811f5b71349d235491da22a3f6293fc

    SHA512

    0785ea18a70c03858026fe056c630a83231db8941407766cca99ab8414868943e6994964a15aa7ec8d13a72daafa016e0d2ca638b43e6e21cf077fc8f96bbc61

  • memory/620-61-0x0000000000000000-mapping.dmp

  • memory/1684-65-0x0000000000000000-mapping.dmp

  • memory/1684-66-0x000007FEFBEE1000-0x000007FEFBEE3000-memory.dmp

    Filesize

    8KB

  • memory/1900-54-0x00000000759F1000-0x00000000759F3000-memory.dmp

    Filesize

    8KB

  • memory/1900-55-0x00000000029F0000-0x0000000002ABB000-memory.dmp

    Filesize

    812KB