Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-09-2024 05:25

General

  • Target

    2024-09-19_2db1088debce9e809c0ec57cbf3417ef_cryptolocker.exe

  • Size

    57KB

  • MD5

    2db1088debce9e809c0ec57cbf3417ef

  • SHA1

    d5565f93496c5bded3cfdc02ebeb917123c216c2

  • SHA256

    e481ec4e3f72a5aa9f31a4b3154c02c542b6d62603afc0433d7cb609c535b3ad

  • SHA512

    3e64ff7542bed53d00e278a35174605e4cee604412219e01029299673dd70029dc6545f3fa19667d28bc258ad1d0da68d3321e93c2552c7e14ebd1ad5de598d8

  • SSDEEP

    768:xQz7yVEhs9+4uR1bytOOtEvwDpjWfbZgBh8i6g7GoFwQ:xj+VGMOtEvwDpjubEgywQ

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 8 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-09-19_2db1088debce9e809c0ec57cbf3417ef_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-19_2db1088debce9e809c0ec57cbf3417ef_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:220
    • 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:2132

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    58KB

    MD5

    119d6bf995e0a23fff8f24fd9438a642

    SHA1

    77eeb0e8c44e2d0cb17d3e4f4ee13f89bf633d65

    SHA256

    0fc4d2d5614f41fd6a1545f4ea9bbf2dddb20ebcf96348c8369382f291a7cb0b

    SHA512

    baa096421f91e17f6a9b8732fcfa6dc8bd09d6e5615a4a91c1b4b9a52eb78cef3f70d9b9b7e58d711549d202571aa971d83adcde0ba5df1247955986baf50a54

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/220-0-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/220-1-0x00000000005A0000-0x00000000005A6000-memory.dmp

    Filesize

    24KB

  • memory/220-2-0x00000000005A0000-0x00000000005A6000-memory.dmp

    Filesize

    24KB

  • memory/220-3-0x0000000002060000-0x0000000002066000-memory.dmp

    Filesize

    24KB

  • memory/220-17-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/2132-20-0x00000000005B0000-0x00000000005B6000-memory.dmp

    Filesize

    24KB

  • memory/2132-19-0x0000000000590000-0x0000000000596000-memory.dmp

    Filesize

    24KB

  • memory/2132-48-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB