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Analysis

  • max time kernel
    151s
  • max time network
    136s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/10/2022, 11:01

General

  • Target

    44cf843b152900665e7b2c886df6fa8ecdd4bbb32d9186115105d2a8a9ca1287.exe

  • Size

    6.2MB

  • MD5

    a825bd359d5aac661cb31121993b8cd6

  • SHA1

    3f755fc6a19c504b3ef926748315ed3897f648b2

  • SHA256

    44cf843b152900665e7b2c886df6fa8ecdd4bbb32d9186115105d2a8a9ca1287

  • SHA512

    336e424093562f99c11a3818c0d79eff25940726982c430f04912d43ffd642de305a054dab5ee1951556baf9ddc6ecf307b2fb8e6efc8ccc40e6f7b639442964

  • SSDEEP

    49152:4dKeUCPOLmoQRtyVY81DasilJoab20Maoc5+OcoP1xbaHdLHkJEZ11QAfloTpcAa:SNOLtQyO81DaLlJoab8aocpj+DheTp+

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\44cf843b152900665e7b2c886df6fa8ecdd4bbb32d9186115105d2a8a9ca1287.exe
    "C:\Users\Admin\AppData\Local\Temp\44cf843b152900665e7b2c886df6fa8ecdd4bbb32d9186115105d2a8a9ca1287.exe"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • Drops file in Program Files directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:624
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C vssadmin delete shadows /all /quiet && wmic shadowcopy delete
      2⤵
        PID:2372
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C echo ^[autorun^] >autorun.inf
        2⤵
        • Drops autorun.inf file
        PID:4864
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C echo ^open^=KasperskyScan^.exe >>autorun.inf
        2⤵
        • Drops autorun.inf file
        PID:4492
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C echo ^execute=^KasperskyScan^.exe >>autorun.inf
        2⤵
        • Drops autorun.inf file
        PID:1060

    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/624-132-0x0000000000B10000-0x0000000000B18000-memory.dmp

      Filesize

      32KB

    • memory/624-133-0x0000000005AD0000-0x0000000006074000-memory.dmp

      Filesize

      5.6MB

    • memory/624-134-0x0000000005520000-0x00000000055B2000-memory.dmp

      Filesize

      584KB

    • memory/624-135-0x00000000055C0000-0x00000000055CA000-memory.dmp

      Filesize

      40KB