Analysis

  • max time kernel
    94s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/09/2024, 08:15

General

  • Target

    2024-09-28_df89685855093a179e93d2c113319ad1_cryptolocker.exe

  • Size

    119KB

  • MD5

    df89685855093a179e93d2c113319ad1

  • SHA1

    e3891ae30e223423da16186e8391c5073cc7ebe7

  • SHA256

    07845db6994e384533e63ce82f716aaf57b7ac943ee202f95fedbddd7524d988

  • SHA512

    0403ff673e2a36337bf363cf9055b7a2254dd4199c7fed9760d9e18795d478f0ed755f5c204cdfd93f197a6b4755d11b43f59884757b9011229c2a09872fc027

  • SSDEEP

    768:gUQz7yVEhs9+4T/1bytOOtEvwDpjNbZ7uyA36S7MpxRIIXVe3mU9TYwlOBTHAkG:gUj+AIMOtEvwDpjNbwQEIPlemUhYwkG

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 5 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-09-28_df89685855093a179e93d2c113319ad1_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-28_df89685855093a179e93d2c113319ad1_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4296
    • 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:4936

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    119KB

    MD5

    c3ebfb9b5108e86331637cf600b0fb55

    SHA1

    b6bf883538b19b7e40b507490149987f0ac4f84f

    SHA256

    9ff8efd49b242dee487c368f639d326296e86ac26209bca247f8da9ac2466da9

    SHA512

    68b057d370dc583bf973d70ee4a1308f8eb86541f7d59eb5957f2cd07dc4bf43e22d334a29d280c59086586562f101ae732d4bf27094c7bd249a6374cc5fafe7

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/4296-0-0x0000000002210000-0x0000000002216000-memory.dmp

    Filesize

    24KB

  • memory/4296-1-0x0000000002210000-0x0000000002216000-memory.dmp

    Filesize

    24KB

  • memory/4296-2-0x0000000002230000-0x0000000002236000-memory.dmp

    Filesize

    24KB

  • memory/4936-23-0x0000000000650000-0x0000000000656000-memory.dmp

    Filesize

    24KB

  • memory/4936-17-0x0000000000810000-0x0000000000816000-memory.dmp

    Filesize

    24KB