Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240910-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-09-2024 06:24

General

  • Target

    2024-09-19_47e10c315815b1f9fa0a5d5de212c670_cryptolocker.exe

  • Size

    79KB

  • MD5

    47e10c315815b1f9fa0a5d5de212c670

  • SHA1

    116fc40617214d8fd341ada57e5e3c68b59a5571

  • SHA256

    dc4a5907496698316579169d60376004892ae90d2a71da1f3b36c747fae84779

  • SHA512

    b030903474faef236e2c1c28d7f69f5938ce3c84588b7cb48f5894f7edd71714e0eee2284c28a984f2def5d9b988850e76c088cf0dacc69089a716e050b1b64b

  • SSDEEP

    1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprgJN6tZdOyJ3KUp:ZVxkGOtEvwDpjca9

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 10 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-09-19_47e10c315815b1f9fa0a5d5de212c670_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-19_47e10c315815b1f9fa0a5d5de212c670_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2056
    • 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:2552

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    79KB

    MD5

    6cadde514ddcf737f855aa2d2cee78c0

    SHA1

    e2d301601ce1f7369604c7c15bbf67db67c25e6a

    SHA256

    aa63937e3fe4d6508a75b01fc5ea6ba8e13d937fb1f35c6c9aa1645846076812

    SHA512

    0fbac4ad175addf25f70f18014469de85826767d7756f0f1b702827a818a59b39254427efb32d58333448d78427641292881186ab9a8ba4fdca0dab50a32d65f

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/2056-0-0x00000000004E0000-0x00000000004E3000-memory.dmp

    Filesize

    12KB

  • memory/2056-1-0x00000000005A0000-0x00000000005A6000-memory.dmp

    Filesize

    24KB

  • memory/2056-2-0x00000000005A0000-0x00000000005A6000-memory.dmp

    Filesize

    24KB

  • memory/2056-3-0x00000000006C0000-0x00000000006C6000-memory.dmp

    Filesize

    24KB

  • memory/2056-17-0x00000000004E0000-0x00000000004E3000-memory.dmp

    Filesize

    12KB

  • memory/2552-19-0x00000000020F0000-0x00000000020F6000-memory.dmp

    Filesize

    24KB

  • memory/2552-25-0x0000000000730000-0x0000000000736000-memory.dmp

    Filesize

    24KB