Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-11-2024 06:23

General

  • Target

    2024-11-02_054409def3e4d25752d74e4ebb23a94d_cryptolocker.exe

  • Size

    51KB

  • MD5

    054409def3e4d25752d74e4ebb23a94d

  • SHA1

    2d4204f1f281101332cf1bf1204272f7bfe68d50

  • SHA256

    a38930b62b3927d3f66dba6769727b5786bab2b44ffaa2012265e96f37113610

  • SHA512

    0f8dd6c3189a8a485f58d67211218556f110ba37112f840a9e31ee1fda4e639caf8726182526f20bba526d91e0695907cbd1a3297a532f7189d758c24b43b341

  • SSDEEP

    768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4/Uth8igNrr42A7n0FmB0noj:vj+jsMQMOtEvwDpj5HczerLO04B/

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\2024-11-02_054409def3e4d25752d74e4ebb23a94d_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-11-02_054409def3e4d25752d74e4ebb23a94d_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3584
    • 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:4180

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    51KB

    MD5

    96d74041390514ad96d479114f68905c

    SHA1

    e750935d0bbcd3e1a2e7a5e313e3e1c066964d05

    SHA256

    d88c82b011a9e910e4e3829cf3a71afbf1e66fb3533db4b15f55094023beab90

    SHA512

    b1a006a5bc20ca120e32da05f8ea090c20b25cf5f4e62afbc3877d922161f28bf81d1e08797dee5aede822719f7e149f9958a1082eb57ff6a40149bf6db817c2

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/3584-0-0x00000000005E0000-0x00000000005E6000-memory.dmp

    Filesize

    24KB

  • memory/3584-1-0x00000000005E0000-0x00000000005E6000-memory.dmp

    Filesize

    24KB

  • memory/3584-2-0x0000000000600000-0x0000000000606000-memory.dmp

    Filesize

    24KB

  • memory/4180-20-0x00000000004E0000-0x00000000004E6000-memory.dmp

    Filesize

    24KB

  • memory/4180-17-0x00000000006E0000-0x00000000006E6000-memory.dmp

    Filesize

    24KB