Analysis

  • max time kernel
    137s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    21/11/2024, 06:29

General

  • Target

    2024-11-21_15c200490bdf824eac11892b523ae93f_cryptolocker.exe

  • Size

    50KB

  • MD5

    15c200490bdf824eac11892b523ae93f

  • SHA1

    77ad50e398ede317150390dd506ac2325e2b70f4

  • SHA256

    7c77114823eff445c63efa63986bed8a8daf502f433a523ea1ff7d09843d7ab4

  • SHA512

    a6f2b67f81d1240fe17a20abf0250b123b9ee68ba8af5ed680834ae8ea4dcf9c5a54305d64a956cb6447877f72a9c23c7ed57919697ed506749dec074fa6aaae

  • SSDEEP

    1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszsbKY1x5hjatshMd:aq7tdgI2MyzNORQtOflIwoHNV2XBFV7X

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 UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-11-21_15c200490bdf824eac11892b523ae93f_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-11-21_15c200490bdf824eac11892b523ae93f_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2252
    • C:\Users\Admin\AppData\Local\Temp\hurok.exe
      "C:\Users\Admin\AppData\Local\Temp\hurok.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of UnmapMainImage
      PID:2284

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    50KB

    MD5

    29c7e470ebd7a7929701a0d7138ae20f

    SHA1

    3b3aa525d067cd1f5b6df4eec9cdb3dfd0c23b83

    SHA256

    f28d7b942e136680fec1d38fb2c35b3b6e2a24e5518c9de6eae0609920fa9980

    SHA512

    8b7031f35735b8cdcf82bd356c41a918162fe7073bdf9919aeee5731f304b5dbb96ca593f77576f295c5131205baceb57ad92ae2f858373d50ba597fa965df75

  • memory/2252-8-0x0000000000310000-0x0000000000316000-memory.dmp

    Filesize

    24KB

  • memory/2252-1-0x0000000000400000-0x0000000000406000-memory.dmp

    Filesize

    24KB

  • memory/2252-0-0x0000000000310000-0x0000000000316000-memory.dmp

    Filesize

    24KB

  • memory/2284-23-0x0000000000230000-0x0000000000236000-memory.dmp

    Filesize

    24KB