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Analysis

  • max time kernel
    132s
  • max time network
    139s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    27/07/2024, 08:25

General

  • Target

    2024-07-27_18c99e0bc12302df7d958682891ad22a_cryptolocker.exe

  • Size

    55KB

  • MD5

    18c99e0bc12302df7d958682891ad22a

  • SHA1

    c8dbf398bcffb088981a2ded3838bade772a4049

  • SHA256

    f2eda6a687fce183d2f99ca621432999731a2aab475b9c538b413a3f1a2730a4

  • SHA512

    608c1cb46eecfd693b9f57db383164162e23c65461035c333227d2976b506d4a44c74407c114ea6075fddbda996e6ab42087fd11ad20ba9fc7c7f1d0539dcd4e

  • SSDEEP

    768:79inqyNR/QtOOtEvwDpjBK/rJ+Nw8qn8pKIRszDr6KAtEZ:79mqyNhQMOtEvwDpjBxe8TpXRSDeKTZ

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 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.

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-07-27_18c99e0bc12302df7d958682891ad22a_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-07-27_18c99e0bc12302df7d958682891ad22a_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1712
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1836

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\asih.exe

    Filesize

    55KB

    MD5

    d01a79164af5fcb6f5967abdebf55991

    SHA1

    e518b6be584569175799d211d2e97d51d40b373f

    SHA256

    224e9ab376e6260c62f7479076e818aaec69b2b060fc2e96e1232b44621da5ce

    SHA512

    3e10cbd0a0d98704bffbe1eb514625826df9cfafab3568ab669c5f0ff04eb0d389b87465747e57e59761ae66d6ea0f8521c37ac5f5f627e529bedde439753aa2

  • memory/1712-0-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/1712-1-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/1712-9-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/1712-2-0x0000000000310000-0x0000000000316000-memory.dmp

    Filesize

    24KB

  • memory/1712-15-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/1836-16-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/1836-18-0x0000000000380000-0x0000000000386000-memory.dmp

    Filesize

    24KB