Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/07/2024, 14:29

General

  • Target

    2024-07-10_699e3ded5421f09e731d99e64b09e657_cryptolocker.exe

  • Size

    50KB

  • MD5

    699e3ded5421f09e731d99e64b09e657

  • SHA1

    3a03fbad490d79693bfc20bd75fb83e10f6fbde8

  • SHA256

    a0cc96cfc20b616b2fab110938fd297ffdc2b55a593da6670dc52b5ba26e8bc5

  • SHA512

    d61d30883ff86d553863b83ecde6b230ac95d1022c8a1144846aded7fb7dd3944238facdc41f6273fd9d3f89fcff6a3d09c448b64202b48a2f77d3136d181e05

  • SSDEEP

    768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4/Uth8igNrr42A7n0FmB0nf:vj+jsMQMOtEvwDpj5HczerLO04B0

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\2024-07-10_699e3ded5421f09e731d99e64b09e657_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-07-10_699e3ded5421f09e731d99e64b09e657_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2464
    • 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:4224

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    51KB

    MD5

    75c7d8c2ed7c166c2a80f4cc4734420b

    SHA1

    53824aef744b2089cb267f3469d740457041a1ad

    SHA256

    cc94cc2eaa5408450ba6c23cbd025462962188ac5492ee95b31ffb6adfc49618

    SHA512

    ae2842a7fa337b29eedecf3a84739850e921e1db0fc3e01c208d548fad9dd49f73156f87c0edb80697f6974cfb82c5ac9bb52643899ace86d32e7f98e020aeef

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/2464-0-0x0000000002190000-0x0000000002196000-memory.dmp

    Filesize

    24KB

  • memory/2464-1-0x0000000002190000-0x0000000002196000-memory.dmp

    Filesize

    24KB

  • memory/2464-2-0x00000000021C0000-0x00000000021C6000-memory.dmp

    Filesize

    24KB

  • memory/4224-17-0x0000000000650000-0x0000000000656000-memory.dmp

    Filesize

    24KB

  • memory/4224-23-0x0000000000620000-0x0000000000626000-memory.dmp

    Filesize

    24KB