Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-05-2024 18:30

General

  • Target

    2024052153459cb417384be20ab946cf311c352acryptolocker.exe

  • Size

    37KB

  • MD5

    53459cb417384be20ab946cf311c352a

  • SHA1

    853dc7ed4652f355bc26f7f94370e6e3f0e66df1

  • SHA256

    51c5fd50dad412619bc3e7fccc10bd64ec57398cbe1622425532a2401238ee6a

  • SHA512

    03d11bcfe37a90494440dd8d43e238da3ceef3d7b40eb42233404dce7477fefe7787111e7144c7b703b68a77dd67396f9c7063fe327b7160ae480e20aab7a854

  • SSDEEP

    768:fTz7y3lhsT+hs1SQtOOtEvwDpjfAu9+4q7:fT+hsMQMOtEvwDpjoIHE

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).

  • Modifies system certificate store 2 TTPs 8 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024052153459cb417384be20ab946cf311c352acryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024052153459cb417384be20ab946cf311c352acryptolocker.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4956
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Modifies system certificate store
      PID:1948

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    37KB

    MD5

    89be1259ddd320b5b99cd4f2bb6d7e61

    SHA1

    8b6c411f617fb0718d71eeea1f35e59a723c080d

    SHA256

    a63f6ffc50cbac5586b51b8620fb08b527da393bcc7efe1fa46244719ab2c1b9

    SHA512

    6a8934e691bed3166a49e4b6b40db616e51a4e0def8bd9ea3f42031a782cbeb4bbd0a4360f4570946d9f7c65c7978974e0e531a0f448b607203450db4a2417f1

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/1948-18-0x00000000006C0000-0x00000000006C6000-memory.dmp

    Filesize

    24KB

  • memory/1948-23-0x00000000006A0000-0x00000000006A6000-memory.dmp

    Filesize

    24KB

  • memory/4956-0-0x00000000007B0000-0x00000000007B6000-memory.dmp

    Filesize

    24KB

  • memory/4956-1-0x0000000002070000-0x0000000002076000-memory.dmp

    Filesize

    24KB

  • memory/4956-8-0x00000000007B0000-0x00000000007B6000-memory.dmp

    Filesize

    24KB