Analysis

  • max time kernel
    150s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/10/2022, 11:01

General

  • Target

    95126e2d03c734c5f81b350415f21e976849873c3cf549eed9f7dfdd0354b2bf.exe

  • Size

    6.2MB

  • MD5

    be7402afe7aef72152011881326aa5c6

  • SHA1

    9b1b8de0547112b27105bd39f26de18c96be929e

  • SHA256

    95126e2d03c734c5f81b350415f21e976849873c3cf549eed9f7dfdd0354b2bf

  • SHA512

    5605bce6529b564f5125d3e5d6eb165e0f2a7144eb1090ebc3833c977ce58b68d85e7ff8cc2cac081725897cc9224ac13c9df9b0d165eb0736b967cc173056f3

  • SSDEEP

    49152:JqcQFTIOZeN04TTv2tyVY81DasilJoab20Maoc5+OcoP1xbaHdLHkJEZ11QAfloo:4cQUO4TbO81DaLlJoab8aocpj+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\95126e2d03c734c5f81b350415f21e976849873c3cf549eed9f7dfdd0354b2bf.exe
    "C:\Users\Admin\AppData\Local\Temp\95126e2d03c734c5f81b350415f21e976849873c3cf549eed9f7dfdd0354b2bf.exe"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • Drops file in Program Files directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4288
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C vssadmin delete shadows /all /quiet && wmic shadowcopy delete
      2⤵
        PID:1004
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C echo ^[autorun^] >autorun.inf
        2⤵
        • Drops autorun.inf file
        PID:1304
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C echo ^open^=KasperskyScan^.exe >>autorun.inf
        2⤵
        • Drops autorun.inf file
        PID:4268
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C echo ^execute=^KasperskyScan^.exe >>autorun.inf
        2⤵
        • Drops autorun.inf file
        PID:3176

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

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

      Filesize

      12B

      MD5

      7b74b59eb512d0797b7f12bf5176b8c4

      SHA1

      1ff3e7eea7883a65abf79353a6039dfcd518f4da

      SHA256

      50c692a2d0e822df720c66654c601a49d1d23bbe0c329624c02a97564a738a27

      SHA512

      3f46b9cddad177a21ba6b52928c739821aa108ab92da4c907a8808689782ce3fa2036381912b267b02c0daabd992f11cde0ea867082d8d336e53d8ec79435a29

    • 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/4288-132-0x0000000000870000-0x0000000000878000-memory.dmp

      Filesize

      32KB

    • memory/4288-133-0x0000000005840000-0x0000000005DE4000-memory.dmp

      Filesize

      5.6MB

    • memory/4288-134-0x0000000005290000-0x0000000005322000-memory.dmp

      Filesize

      584KB

    • memory/4288-135-0x0000000005260000-0x000000000526A000-memory.dmp

      Filesize

      40KB