Analysis

  • max time kernel
    94s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/10/2024, 23:24

General

  • Target

    2024-10-09_26d49e4e2ca971b29adbac1a1456ed03_cryptolocker.exe

  • Size

    40KB

  • MD5

    26d49e4e2ca971b29adbac1a1456ed03

  • SHA1

    cfdc0e84d649273d7928902e72a43c586ba350c7

  • SHA256

    96485d7d3aa7f41c8a41d114657deb614efbb5bfa9c7adf7315b2318f017cb6d

  • SHA512

    65ef22d2ad0fc4076566dc0fef9073d6ab2514a49f37f5df485606fc988ec627cf9bbd37b875becb42a8b5d1d9c136874f939714dab386528aee8fe8779fef2a

  • SSDEEP

    768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjIm8lB4dCOBy/czMJ:ZzFbxmLPWQMOtEvwDpj38lD/c8

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\2024-10-09_26d49e4e2ca971b29adbac1a1456ed03_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-09_26d49e4e2ca971b29adbac1a1456ed03_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2004
    • 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:3508

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    40KB

    MD5

    9ced87ac454a81a11697e8586af5383c

    SHA1

    e8c29f1f55acf79c23c9eb1a2e3b9b8e55483cfd

    SHA256

    a2c6d2e1a8767de95a4f1025bc3302b0876d5bf3b0cfcb4a7469340fa0316e6f

    SHA512

    ed057013e866df8e311185b8d0ad6e8f5ee177a683f648a2962d04727eaba3f15e204bdd15817022027f772c680d4f080675c19c542ad96fe1b9d2f207a272cc

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/2004-0-0x00000000004E0000-0x00000000004E3000-memory.dmp

    Filesize

    12KB

  • memory/2004-1-0x00000000005E0000-0x00000000005E6000-memory.dmp

    Filesize

    24KB

  • memory/2004-2-0x00000000005E0000-0x00000000005E6000-memory.dmp

    Filesize

    24KB

  • memory/2004-3-0x0000000000600000-0x0000000000606000-memory.dmp

    Filesize

    24KB

  • memory/2004-16-0x00000000004E0000-0x00000000004E3000-memory.dmp

    Filesize

    12KB

  • memory/3508-19-0x0000000001FF0000-0x0000000001FF6000-memory.dmp

    Filesize

    24KB

  • memory/3508-25-0x0000000000660000-0x0000000000666000-memory.dmp

    Filesize

    24KB