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Analysis

  • max time kernel
    166s
  • max time network
    207s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/12/2022, 19:47

General

  • Target

    1cd2ade617a3a87e005503dee7fb1c1a0be8c51f9569ab7182b7bcb940f5c4d0.exe

  • Size

    112KB

  • MD5

    44043338c91eefc769b4f28164e0cd00

  • SHA1

    6174ec175ad853e761437288f53920a95c00ac22

  • SHA256

    1cd2ade617a3a87e005503dee7fb1c1a0be8c51f9569ab7182b7bcb940f5c4d0

  • SHA512

    1f3737e57a4565295d26bf92e0cf6f4ee48e90c06cb5d6d69814dede15b6e889af995b489c95eb0459302df85612c8de244822dd4171f67a80bdaf31b379bd34

  • SSDEEP

    1536:nZwaay5gJcDVQ/2V+XR/yNK0+pqjAFxzPTDNvb+euaMGQ:Z9BWhPB2K0FMDNznuAQ

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Adds Run key to start application 2 TTPs 28 IoCs
  • Maps connected drives based on registry 3 TTPs 4 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Drops autorun.inf file 1 TTPs 1 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1cd2ade617a3a87e005503dee7fb1c1a0be8c51f9569ab7182b7bcb940f5c4d0.exe
    "C:\Users\Admin\AppData\Local\Temp\1cd2ade617a3a87e005503dee7fb1c1a0be8c51f9569ab7182b7bcb940f5c4d0.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1472
    • C:\Users\Admin\AppData\Local\Temp\1cd2ade617a3a87e005503dee7fb1c1a0be8c51f9569ab7182b7bcb940f5c4d0.exe
      74
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Checks computer location settings
      • Adds Run key to start application
      • Maps connected drives based on registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4248
      • C:\Users\Admin\liezoz.exe
        "C:\Users\Admin\liezoz.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1776
        • C:\Users\Admin\liezoz.exe
          74
          4⤵
          • Modifies visiblity of hidden/system files in Explorer
          • Executes dropped EXE
          • Adds Run key to start application
          • Maps connected drives based on registry
          • Drops autorun.inf file
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of SetWindowsHookEx
          PID:64

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\liezoz.exe

    Filesize

    112KB

    MD5

    44043338c91eefc769b4f28164e0cd00

    SHA1

    6174ec175ad853e761437288f53920a95c00ac22

    SHA256

    1cd2ade617a3a87e005503dee7fb1c1a0be8c51f9569ab7182b7bcb940f5c4d0

    SHA512

    1f3737e57a4565295d26bf92e0cf6f4ee48e90c06cb5d6d69814dede15b6e889af995b489c95eb0459302df85612c8de244822dd4171f67a80bdaf31b379bd34

  • C:\Users\Admin\liezoz.exe

    Filesize

    112KB

    MD5

    44043338c91eefc769b4f28164e0cd00

    SHA1

    6174ec175ad853e761437288f53920a95c00ac22

    SHA256

    1cd2ade617a3a87e005503dee7fb1c1a0be8c51f9569ab7182b7bcb940f5c4d0

    SHA512

    1f3737e57a4565295d26bf92e0cf6f4ee48e90c06cb5d6d69814dede15b6e889af995b489c95eb0459302df85612c8de244822dd4171f67a80bdaf31b379bd34

  • C:\Users\Admin\liezoz.exe

    Filesize

    112KB

    MD5

    44043338c91eefc769b4f28164e0cd00

    SHA1

    6174ec175ad853e761437288f53920a95c00ac22

    SHA256

    1cd2ade617a3a87e005503dee7fb1c1a0be8c51f9569ab7182b7bcb940f5c4d0

    SHA512

    1f3737e57a4565295d26bf92e0cf6f4ee48e90c06cb5d6d69814dede15b6e889af995b489c95eb0459302df85612c8de244822dd4171f67a80bdaf31b379bd34

  • memory/64-153-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/64-155-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/4248-135-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/4248-137-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/4248-140-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/4248-154-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB