Analysis

  • max time kernel
    95s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-09-2024 04:28

General

  • Target

    2024-09-02_5e5fb16a0faab7f488029e091d7ecb29_cryptolocker.exe

  • Size

    38KB

  • MD5

    5e5fb16a0faab7f488029e091d7ecb29

  • SHA1

    459b59a4334294acd03ffcf81737dcdfbf359b79

  • SHA256

    7507ab656651b64ef7268a5c9f72e97b4b4f3b428e6232c91c17f330ae9f3919

  • SHA512

    2e1daeb5808ecfaee30dc2a22a280b15ec8d678a680d27e68c40f4e09a4c93534626b4a7a7746fd166898e47b8c49ba2934bad521091a9450d6be7b06ffa7260

  • SSDEEP

    768:fTz7y3lhsT+hs1SQtOOtEvwDpjfAu9+4XYNn:fT+hsMQMOtEvwDpjoIHIN

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\2024-09-02_5e5fb16a0faab7f488029e091d7ecb29_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-02_5e5fb16a0faab7f488029e091d7ecb29_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4904
    • 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:364

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    38KB

    MD5

    13d5011bfd67f883905918d6e6b88409

    SHA1

    6cc482491d67609f3fca9878c2bae55db6f25547

    SHA256

    7fb03ec9230c55774afbae585b6dc9e620a9034e8e751fe42437152f2101b873

    SHA512

    84f875e718cb43ed9e2847ec6d2b32734c36b6a44541437ac652df0ce797c2a6f5826f5c00981e89b139f92ee0a3afb2553ba28e407b73160bc1793259e8088a

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/364-17-0x0000000000750000-0x0000000000756000-memory.dmp

    Filesize

    24KB

  • memory/364-23-0x0000000000620000-0x0000000000626000-memory.dmp

    Filesize

    24KB

  • memory/4904-0-0x00000000006A0000-0x00000000006A6000-memory.dmp

    Filesize

    24KB

  • memory/4904-1-0x00000000006A0000-0x00000000006A6000-memory.dmp

    Filesize

    24KB

  • memory/4904-2-0x00000000006D0000-0x00000000006D6000-memory.dmp

    Filesize

    24KB