Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-09-2024 12:17

General

  • Target

    2024-09-05_dbcbce05bb7138fb558d1019dc2d5c00_cryptolocker.exe

  • Size

    63KB

  • MD5

    dbcbce05bb7138fb558d1019dc2d5c00

  • SHA1

    7a2616b1b915b4968e4ba67419dd5dbe2b84b69b

  • SHA256

    2c1551a0e311d3421783e0a813385b5e9883d2ec397ddf813eff456a62b4561a

  • SHA512

    f291ad6361b36e575ad733accb16e2e3f4103b0ec9ece6239e570a6eff9b7af61ede5a79680376459375fed7ffea62ca11cd1a2eefe3aeed8460d4815111767c

  • SSDEEP

    1536:Tj+jsMQMOtEvwDpj5HmpJpOUHECgNMo0vp2EMNuSA:TCjsIOtEvwDpj5HE/OUHnSMZ3

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\2024-09-05_dbcbce05bb7138fb558d1019dc2d5c00_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-05_dbcbce05bb7138fb558d1019dc2d5c00_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4556
    • 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:1256

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    63KB

    MD5

    b8615959e0331a14b5b72d031303856f

    SHA1

    63df6652c7b4539ea20896c21f5c621664f816f9

    SHA256

    09061a293cc29fcfde9902614ab69460446acfee4d6a5a518953618162cbfac3

    SHA512

    403dbea8c6466401415f3282bb042c634a1df1d5d604a0b3ef70924551d31b7af745ae4c3965fc1c46f11c3f4baae7c4d599f25dfa9824b2e22ec1dca0a151b6

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/1256-47-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB

  • memory/4556-0-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB

  • memory/4556-1-0x0000000000510000-0x0000000000516000-memory.dmp

    Filesize

    24KB

  • memory/4556-2-0x0000000000510000-0x0000000000516000-memory.dmp

    Filesize

    24KB

  • memory/4556-3-0x00000000006B0000-0x00000000006B6000-memory.dmp

    Filesize

    24KB

  • memory/4556-17-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB