Analysis

  • max time kernel
    157s
  • max time network
    175s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/10/2022, 22:49

General

  • Target

    4cf2ce5115b1d8005180f44af203824a76a2ead283d003eecfbf4c8bcd57fb69.exe

  • Size

    775KB

  • MD5

    4d1fb0eb9f401a7f43572197d12e29a0

  • SHA1

    b4c0814f552fe5d88a249fdc808925c37cb19e0c

  • SHA256

    4cf2ce5115b1d8005180f44af203824a76a2ead283d003eecfbf4c8bcd57fb69

  • SHA512

    f584ab9c21734bfe25a559bb98ac048bf8b0ba910e59c186ff6c79825482a2b91a299afa65f409f2bb28440e26489123a4271cdc897bc91eab242e557fe04f3f

  • SSDEEP

    12288:HXZKu9TygrJ9YQ1DNIZmzIbwUB/qsgIsqA:HXZJRimzIbwu/qsgI1A

Score
10/10

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops file in System32 directory 2 IoCs
  • 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 behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4cf2ce5115b1d8005180f44af203824a76a2ead283d003eecfbf4c8bcd57fb69.exe
    "C:\Users\Admin\AppData\Local\Temp\4cf2ce5115b1d8005180f44af203824a76a2ead283d003eecfbf4c8bcd57fb69.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Checks computer location settings
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3176
    • C:\windows\temp\22040.exe
      "C:\windows\temp\22040.exe"
      2⤵
      • Executes dropped EXE
      PID:4512

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Windows\Temp\22040.exe

    Filesize

    90KB

    MD5

    09ae02badc8b2086b93bf9a8e6e571d9

    SHA1

    2e11e03477348890d59be465b6ebd57643ba4b2e

    SHA256

    035314fbb4239808456f30f60a6562a911b55e12a1432bdfe7ef33ae5d1748ec

    SHA512

    877380540fd8ea834dab3681d7e4920a56458f20048bffcec092daddaca21933faeadb2ce18f22040b2172279c42aa258d39f56decb2a1497db30aa24eaad224

  • C:\windows\temp\22040.exe

    Filesize

    90KB

    MD5

    09ae02badc8b2086b93bf9a8e6e571d9

    SHA1

    2e11e03477348890d59be465b6ebd57643ba4b2e

    SHA256

    035314fbb4239808456f30f60a6562a911b55e12a1432bdfe7ef33ae5d1748ec

    SHA512

    877380540fd8ea834dab3681d7e4920a56458f20048bffcec092daddaca21933faeadb2ce18f22040b2172279c42aa258d39f56decb2a1497db30aa24eaad224