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Analysis

  • max time kernel
    141s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/08/2024, 06:44

General

  • Target

    2024-08-14_0b3046d74e1f70179b1a30378aa1be29_cryptolocker.exe

  • Size

    787KB

  • MD5

    0b3046d74e1f70179b1a30378aa1be29

  • SHA1

    92bd5017bffe3720369319893756700953cc5e3a

  • SHA256

    77c9818beaa2427735bb41224d735f837984f9a6cf970b991069264339f24bfc

  • SHA512

    ba003cc4e5837dc6613475573c10eee8615c554544dcb6ea7b0ab3da3499f283cff3b89f192f2e9381de534a1923279e5ac7cf0e6294449359c95699ee0095ab

  • SSDEEP

    24576:aHQVCB9lVF1lVF1lVFkUEi019za5F+DLK9bygw6X/pp:aHAg9lVF1lVF1lVFkUEiiCX/T

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\2024-08-14_0b3046d74e1f70179b1a30378aa1be29_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-08-14_0b3046d74e1f70179b1a30378aa1be29_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5000
    • 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:4580

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    787KB

    MD5

    aadf463d8aa054bd4193b65f15ab2d0d

    SHA1

    1bc1bce667acec87aaf84c8f6fe5f897f4ac57bd

    SHA256

    035991a13e9aa9743eec2522dcc67ea2b8dc6d592716ce2673f8651a711d1060

    SHA512

    2bab5f8c69b3c310f05f31c8146990c5dd96669ab0b669809c0bdb97fa32c1269bf03ed05f5575ecf385adf0bb3509cb37e52fd2b60d365bd0785e37fca2a2c0

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/4580-23-0x00000000006B0000-0x00000000006B6000-memory.dmp

    Filesize

    24KB

  • memory/4580-17-0x00000000006D0000-0x00000000006D6000-memory.dmp

    Filesize

    24KB

  • memory/5000-0-0x00000000007F0000-0x00000000007F6000-memory.dmp

    Filesize

    24KB

  • memory/5000-1-0x00000000007F0000-0x00000000007F6000-memory.dmp

    Filesize

    24KB

  • memory/5000-2-0x0000000000810000-0x0000000000816000-memory.dmp

    Filesize

    24KB