Analysis

  • max time kernel
    127s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-10-2022 03:39

General

  • Target

    18d8ec930dc4f6622c8a097a28ffa4a3ec73fbb0289a6f487d539434f071079a.exe

  • Size

    995KB

  • MD5

    d228c60e17c18754c6e13478cab87d06

  • SHA1

    4e657c82ff7d33d2e740596e7055c5b6d79d2662

  • SHA256

    18d8ec930dc4f6622c8a097a28ffa4a3ec73fbb0289a6f487d539434f071079a

  • SHA512

    7f0ec7849a368a2e9cb3a2a778fd6c5bdc903149bee31af1d5952834f0f11a18fba0c0babc322eaea1e5ed5b7de5fd5ab7a810f08267c662b90a6aac590e6ada

  • SSDEEP

    24576:lKKKKKKKKKKKKKKKKKKKKKKKKKKN7ChBWMQ+uSr04XppcQ9:ejLuSr04TB

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\18d8ec930dc4f6622c8a097a28ffa4a3ec73fbb0289a6f487d539434f071079a.exe
    "C:\Users\Admin\AppData\Local\Temp\18d8ec930dc4f6622c8a097a28ffa4a3ec73fbb0289a6f487d539434f071079a.exe"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • Drops file in Program Files directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4332
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C vssadmin delete shadows /all /quiet && wmic shadowcopy delete
      2⤵
        PID:4256
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C echo ^[autorun^] >autorun.inf
        2⤵
        • Drops autorun.inf file
        PID:3556
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C echo ^open^=KasperskyScan^.exe >>autorun.inf
        2⤵
        • Drops autorun.inf file
        PID:1884
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C echo ^execute=^KasperskyScan^.exe >>autorun.inf
        2⤵
        • Drops autorun.inf file
        PID:2652

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    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/4332-132-0x0000000000D80000-0x0000000000D88000-memory.dmp

      Filesize

      32KB

    • memory/4332-133-0x0000000005C80000-0x0000000006224000-memory.dmp

      Filesize

      5.6MB

    • memory/4332-134-0x00000000055E0000-0x0000000005672000-memory.dmp

      Filesize

      584KB

    • memory/4332-135-0x0000000005690000-0x000000000569A000-memory.dmp

      Filesize

      40KB