Analysis

  • max time kernel
    134s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/08/2024, 05:14

General

  • Target

    2024-08-18_db50dbb21456bf573ad21e1d451b73e2_cryptolocker.exe

  • Size

    73KB

  • MD5

    db50dbb21456bf573ad21e1d451b73e2

  • SHA1

    826552cebdb0923f769dc36eea0450356a62b283

  • SHA256

    8c3b9578e99704057f25c37c5c5aeda12c97f0d03cdb16f08b9c166de1375455

  • SHA512

    c0849ce2ba37ec8bc1942da30257f109198031ebd30757510d6e791cdba6c1fa5956891594ac3aa53aad610090936fed995b00714e212039b87f1444a56e93b8

  • SSDEEP

    768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4ZPsED3VK2+ZtyOjgO4r9vFAg2rq2g1B/RH:vj+jsMQMOtEvwDpj5HZYTjipvF24Gs

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\2024-08-18_db50dbb21456bf573ad21e1d451b73e2_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-08-18_db50dbb21456bf573ad21e1d451b73e2_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2856
    • 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:2712

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    73KB

    MD5

    baa1c34807e43241fbddddb75fd84a6e

    SHA1

    4dc43de2d86e8d628a5628557d90d2ba21dd1816

    SHA256

    093c4c6f6cf201c9f2ca3b04140d621121a6f964845af5f9a547813fac53d9eb

    SHA512

    1ae37e58d00d09e9502c189a4d192cdbb79eb35e445fb3b14bc70a416be85172dc476e5808597468c4edb452f877548b9029f953996ec65ca039646dbc5b2281

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/2712-18-0x00000000004F0000-0x00000000004F6000-memory.dmp

    Filesize

    24KB

  • memory/2712-17-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/2856-0-0x00000000005E0000-0x00000000005E6000-memory.dmp

    Filesize

    24KB

  • memory/2856-1-0x00000000005E0000-0x00000000005E6000-memory.dmp

    Filesize

    24KB

  • memory/2856-2-0x0000000000600000-0x0000000000606000-memory.dmp

    Filesize

    24KB