Analysis

  • max time kernel
    158s
  • max time network
    188s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-10-2022 03:09

General

  • Target

    3bd726beda054e03901263aa2bebdd00d3f9b7d0e41ddc01bf4d64d00bbde9d8.exe

  • Size

    252KB

  • MD5

    687e67eda70f1f0792ed620dde8d3c75

  • SHA1

    0ce413439a05778d8a160f905b2f6f88952cfe56

  • SHA256

    3bd726beda054e03901263aa2bebdd00d3f9b7d0e41ddc01bf4d64d00bbde9d8

  • SHA512

    f70397eb2ff1e0b87d01e68af4b1e2695bf5a52e6b3fb118d5552ed4341db1b1931324327bc70c23f766e2a312961765fc30677e0ef70cb9c708a09f67bf290e

  • SSDEEP

    3072:xl0QmgYg9bVtgfzFHfzb51QRPr8GDi/7:xlWg59joFJyr8Gu

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Executes dropped EXE 1 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 51 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 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3bd726beda054e03901263aa2bebdd00d3f9b7d0e41ddc01bf4d64d00bbde9d8.exe
    "C:\Users\Admin\AppData\Local\Temp\3bd726beda054e03901263aa2bebdd00d3f9b7d0e41ddc01bf4d64d00bbde9d8.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4864
    • C:\Users\Admin\pimet.exe
      "C:\Users\Admin\pimet.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3532

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\pimet.exe

    Filesize

    252KB

    MD5

    15f03e5caf5e4064d210ee7d19c4afe2

    SHA1

    04231a657b1f3ce6b740b995d12f686ed9fca863

    SHA256

    95c1e2fcf0a48ec54daa8d3a0f4b51f7f15bc616c30c849f707cf34a63bbe5fd

    SHA512

    4041d5d95a377f80705775a0b0bffec8e9f671704505616d50f273d7ebf4239b9996f40c6b9eeeb340ae5fb0a88188df4e5db65ef310472b21e866f87631d7e4

  • C:\Users\Admin\pimet.exe

    Filesize

    252KB

    MD5

    15f03e5caf5e4064d210ee7d19c4afe2

    SHA1

    04231a657b1f3ce6b740b995d12f686ed9fca863

    SHA256

    95c1e2fcf0a48ec54daa8d3a0f4b51f7f15bc616c30c849f707cf34a63bbe5fd

    SHA512

    4041d5d95a377f80705775a0b0bffec8e9f671704505616d50f273d7ebf4239b9996f40c6b9eeeb340ae5fb0a88188df4e5db65ef310472b21e866f87631d7e4

  • memory/3532-134-0x0000000000000000-mapping.dmp