Analysis

  • max time kernel
    93s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240910-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-09-2024 08:23

General

  • Target

    2024-09-14_2ce522ab568e0e1e8a94a2f4945b0c17_cryptolocker.exe

  • Size

    72KB

  • MD5

    2ce522ab568e0e1e8a94a2f4945b0c17

  • SHA1

    7b06273dd6bc676ce5e7750d8431481b1156725e

  • SHA256

    938e202d43b2087ade1a0a6d83afbdc26d49a31ae0714761431460d2b1eaaa18

  • SHA512

    43ebe15c285ccb5516e2ac313eb3793d09774f6487e3533a7d52cc01686d8a60e54c68503d1cd9d1bb4dde2db2466ce65c1e2aafff4934d9288424eac5acbd63

  • SSDEEP

    768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4ZPsED3VK2+ZtyOjgO4r9vFAg2rq2g1B/Rd:vj+jsMQMOtEvwDpj5HZYTjipvF241

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 6 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-09-14_2ce522ab568e0e1e8a94a2f4945b0c17_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-14_2ce522ab568e0e1e8a94a2f4945b0c17_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2352
    • 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:2392

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    72KB

    MD5

    e61373cbef262d6c1aa700b85029d2ec

    SHA1

    dc28fc1e5b6570bb3c74dc42f10322c379d8e4dd

    SHA256

    f5b6079d595a419b111c1693e7b67f2e15e606787e27b82addba75f5a8f48083

    SHA512

    f0f1f3153fff2acd1ed0e0b579cb203529d0167a5e6f39771447dfd632226a198a94f866c54dba795446ea7ca7e6821e6cf00b56d071fc96924405b236c6ca75

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/2352-0-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/2352-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/2352-2-0x00000000004F0000-0x00000000004F6000-memory.dmp

    Filesize

    24KB

  • memory/2392-17-0x0000000000750000-0x0000000000756000-memory.dmp

    Filesize

    24KB

  • memory/2392-23-0x0000000000730000-0x0000000000736000-memory.dmp

    Filesize

    24KB