Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/10/2024, 09:45

General

  • Target

    2024-10-18_07d8d1ff8cf834e474696b7c049054e8_cryptolocker.exe

  • Size

    44KB

  • MD5

    07d8d1ff8cf834e474696b7c049054e8

  • SHA1

    cd4ffffe73a072358179438d029249ca66b4ef79

  • SHA256

    498fb9699171fd7bc4c8bd409c6c7c88ae595678d72e1d35945926f80b181a78

  • SHA512

    7d4f50822cc0040dca8e113234f439df411767f25528c42eb659df2ce9e92f639850c76ff5a513a307a514b6120f03cc2e320411a797b9681b226e10e59270e6

  • SSDEEP

    768:btB9g/WItCSsAGjX7r3BPOMHoc/QQJP5z:btB9g/xtCSKfxLIc/7

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 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.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-10-18_07d8d1ff8cf834e474696b7c049054e8_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-18_07d8d1ff8cf834e474696b7c049054e8_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2712
    • C:\Users\Admin\AppData\Local\Temp\gewos.exe
      "C:\Users\Admin\AppData\Local\Temp\gewos.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2260

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    45KB

    MD5

    63adf77d82e32176fcea180f3fbf216e

    SHA1

    243ec8d471b98943fb6813cd110bd8c922084a91

    SHA256

    7e5280fd80accde2b7f7b669fe14d7c8b7dc3eb0389bc9671161cf60e9570640

    SHA512

    7f16afabe2692e5ae09b008c163c13ab4e3d0571481f02036e93c1555d4474acec7a67a0cd2b0a4f5cb05c2d8d79358aa049ee36033ccc4209538ec388af3d0a

  • memory/2260-19-0x0000000002D60000-0x0000000002D66000-memory.dmp

    Filesize

    24KB

  • memory/2712-1-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

    Filesize

    24KB

  • memory/2712-2-0x0000000000400000-0x0000000000406000-memory.dmp

    Filesize

    24KB

  • memory/2712-0-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

    Filesize

    24KB