Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-10-2024 08:22

General

  • Target

    2024-10-31_085d25f1a229366f1908db53d7f97279_cryptolocker.exe

  • Size

    58KB

  • MD5

    085d25f1a229366f1908db53d7f97279

  • SHA1

    904954517d164f3edd8be898dfa5d6f7b8db5480

  • SHA256

    79619733870aa86927a6089314d1ef72faba1927b536add2029ce8d26344797f

  • SHA512

    1f29a934fa5286e366f5cf1ab86d672d4fddbef3a7f58924add64364a73d98b2be8e5e1400780fd24c7c2962d87d900706011bee757a15a56b984c1965cb3b7c

  • SSDEEP

    1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszsbKY1xzp0oj6701:aq7tdgI2MyzNORQtOflIwoHNV2XBFV7I

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-10-31_085d25f1a229366f1908db53d7f97279_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-31_085d25f1a229366f1908db53d7f97279_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4388
    • C:\Users\Admin\AppData\Local\Temp\hurok.exe
      "C:\Users\Admin\AppData\Local\Temp\hurok.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4584

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\hurok.exe

    Filesize

    58KB

    MD5

    7782d3d0f105d1af4fb8dd59913447a2

    SHA1

    e743bd10a17b39acb45d27c189c5e1f62226f94d

    SHA256

    1bc306a8abcf44e69c5782801956c87181c8ea9bed572e27d9697948e5541ede

    SHA512

    1be1aba5cd00d30977be6fbc85c35bfdfd76509ed385141647f0a66e8fe1be4382183e13945db8c1210a282ddd1229f0b0b98d290dd75d9ff31df38a456a02a2

  • memory/4388-0-0x0000000002040000-0x0000000002046000-memory.dmp

    Filesize

    24KB

  • memory/4388-1-0x0000000002040000-0x0000000002046000-memory.dmp

    Filesize

    24KB

  • memory/4388-2-0x0000000000400000-0x0000000000406000-memory.dmp

    Filesize

    24KB

  • memory/4584-19-0x00000000005A0000-0x00000000005A6000-memory.dmp

    Filesize

    24KB