Analysis

  • max time kernel
    135s
  • max time network
    131s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/10/2022, 00:02

General

  • Target

    3504d330003d44ef689f174d10f74f8e3eabcc30779a645005a888c2fad1e622.exe

  • Size

    2.4MB

  • MD5

    05a73e7a382558505bd23e3644d4c46a

  • SHA1

    5c7830fe5ee7879c5eed6626350635c0a09c1628

  • SHA256

    3504d330003d44ef689f174d10f74f8e3eabcc30779a645005a888c2fad1e622

  • SHA512

    7fc391325328e9485b40ff490588eafe8fb54b581b3c651cb462f06af377e376cd8c7337136254d4155f23c5ca4b3338a91f8adbcd7ee068aad1ec646044215d

  • SSDEEP

    49152:JqcQFTIOZeqWm23GtLQzXlTnOf9p3vTGzgwpR:4cQUFmD8TUf3xm

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Drops autorun.inf file 1 TTPs 3 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3504d330003d44ef689f174d10f74f8e3eabcc30779a645005a888c2fad1e622.exe
    "C:\Users\Admin\AppData\Local\Temp\3504d330003d44ef689f174d10f74f8e3eabcc30779a645005a888c2fad1e622.exe"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • Drops file in Program Files directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1820
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C vssadmin delete shadows /all /quiet && wmic shadowcopy delete
      2⤵
        PID:4928
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C echo ^[autorun^] >autorun.inf
        2⤵
        • Drops autorun.inf file
        PID:4968
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C echo ^open^=KasperskyScan^.exe >>autorun.inf
        2⤵
        • Drops autorun.inf file
        PID:3312
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C echo ^execute=^KasperskyScan^.exe >>autorun.inf
        2⤵
        • Drops autorun.inf file
        PID:1340

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\autorun.inf

            Filesize

            37B

            MD5

            3883f693b2911e7b9cabaf1d89601ebd

            SHA1

            a733bc5b66e5b7beb1ab54ce430ff16cdb935fcb

            SHA256

            747ea7ec54ee0bc9b637867de0c451df65c840f757988f5a3b6e3fe6c73ab1b6

            SHA512

            41fb0555004f392f2c67fd7675d2aea2a7a28a4f51d92237fdaff2d60624c559a5401335887b66f49a721dff669f8f9bd150fde0afe0845eb366309ca1088a98

          • C:\Users\Admin\AppData\Local\Temp\autorun.inf

            Filesize

            65B

            MD5

            fbefa88e6b51c05dd63d97dfdbeb3589

            SHA1

            67e09918d878c6615befab5dc9194439027f268d

            SHA256

            3861acedffd29452d2fdb96728f7347652bde9353915d3873a7414843f49b8b1

            SHA512

            58f8c1a64f2eb21be7b96db335d1ade0ce0878566a8386b3689b650132ca28e14761b20fdfe50f2af9915dff2bdd3a5b07f6f3ed082e4e6998ec5f0cd052f12f

          • C:\Users\Admin\AppData\Local\Temp\autorun.inf

            Filesize

            65B

            MD5

            fbefa88e6b51c05dd63d97dfdbeb3589

            SHA1

            67e09918d878c6615befab5dc9194439027f268d

            SHA256

            3861acedffd29452d2fdb96728f7347652bde9353915d3873a7414843f49b8b1

            SHA512

            58f8c1a64f2eb21be7b96db335d1ade0ce0878566a8386b3689b650132ca28e14761b20fdfe50f2af9915dff2bdd3a5b07f6f3ed082e4e6998ec5f0cd052f12f

          • memory/1820-132-0x0000000000830000-0x0000000000838000-memory.dmp

            Filesize

            32KB

          • memory/1820-133-0x00000000056E0000-0x0000000005C84000-memory.dmp

            Filesize

            5.6MB

          • memory/1820-134-0x0000000005130000-0x00000000051C2000-memory.dmp

            Filesize

            584KB

          • memory/1820-135-0x00000000050C0000-0x00000000050CA000-memory.dmp

            Filesize

            40KB