Analysis

  • max time kernel
    95s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/10/2024, 01:45

General

  • Target

    2024-10-14_b2484ef6385d0ec228f63bd863d8633b_cryptolocker.exe

  • Size

    61KB

  • MD5

    b2484ef6385d0ec228f63bd863d8633b

  • SHA1

    41a027b64a42d65b1d9c83bf858f5cb474f42504

  • SHA256

    79d6553675f5a3146fb5a773db14856ae425bff78076d4353ec366d8afac65e2

  • SHA512

    549a769dcb9d5cee2e605650cef855df645e04221e0f100eea654594c372bc9c79986f1758ca13654f7dbcfaf74825612129220e0b68828dfdc68dc1b1fc7c26

  • SSDEEP

    768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjIm8z2iaSIO/RvDQeduJHqqno:ZzFbxmLPWQMOtEvwDpj386Sj/Rso

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.

  • Modifies system certificate store 2 TTPs 7 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-10-14_b2484ef6385d0ec228f63bd863d8633b_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-14_b2484ef6385d0ec228f63bd863d8633b_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4932
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      PID:116

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    61KB

    MD5

    1ffe4c958176a8e4da26b2460d853b8f

    SHA1

    e80a13f461342c36b1386a1293f9ee82a4179dd5

    SHA256

    29186de6de598215bd1f763ed1023bfb6d24b51dcf86d09bb923dee45f260ac9

    SHA512

    98df13c133a4c23eaf6048fe2c21f3800144233df7ea448a5923ad68bba99054cef79fd246b8c07e3c8cf15dd744ff3b3b80c4e4cb274889f723ade40c327977

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/116-20-0x0000000001F70000-0x0000000001F76000-memory.dmp

    Filesize

    24KB

  • memory/116-19-0x0000000001F50000-0x0000000001F56000-memory.dmp

    Filesize

    24KB

  • memory/4932-0-0x0000000000490000-0x0000000000493000-memory.dmp

    Filesize

    12KB

  • memory/4932-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/4932-2-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/4932-3-0x00000000004F0000-0x00000000004F6000-memory.dmp

    Filesize

    24KB

  • memory/4932-17-0x0000000000490000-0x0000000000493000-memory.dmp

    Filesize

    12KB