Overview

overview

8

Static

static

d0f04ffd3b...c9.exe

windows7_x64

3

d0f04ffd3b...c9.exe

windows10-2004_x64

8

Analysis

  • max time kernel
    124s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    20/05/2022, 06:54

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General

  • Target
    d0f04ffd3bcc777fb35f20205e6b8f599a5ac4e9287d321d08190e4cc2dc97c9.exe
  • Size 1.5MB
  • Sample220520-hn8c8sefe2
  • SHA256 d0f04ffd3bcc777fb35f20205e6b8f599a5ac4e9287d321d08190e4cc2dc97c9
  • MD5 SHA1 SHA512
Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistence
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d0f04ffd3bcc777fb35f20205e6b8f599a5ac4e9287d321d08190e4cc2dc97c9.exe
    "C:\Users\Admin\AppData\Local\Temp\d0f04ffd3bcc777fb35f20205e6b8f599a5ac4e9287d321d08190e4cc2dc97c9.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:844
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\system32\schtasks.exe" /create /tn COMSurrogate /f /sc onlogon /rl highest /tr "C:\Users\Admin\TypeRes\DllResource.exe"
      2⤵
      • Creates scheduled task(s)
      PID:736
    • C:\Users\Admin\TypeRes\DllResource.exe
      "C:\Users\Admin\TypeRes\DllResource.exe"
      2⤵
      • Executes dropped EXE
      PID:764
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c chcp 65001 && ping 127.0.0.1 && DEL /F /S /Q /A "C:\Users\Admin\AppData\Local\Temp\d0f04ffd3bcc777fb35f20205e6b8f599a5ac4e9287d321d08190e4cc2dc97c9.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1916
      • C:\Windows\SysWOW64\chcp.com
        chcp 65001
        3⤵
          PID:4084
        • C:\Windows\SysWOW64\PING.EXE
          ping 127.0.0.1
          3⤵
          • Runs ping.exe
          PID:2168

    Network

          MITRE ATT&CK Enterprise v6

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          Downloads

          DllResource.exe
          • Path C:\Users\Admin\TypeRes\DllResource.exe
          • Size 297.4MB
          • SHA256 962dd80f93b4c292600f44a1030e48738bd3904ec2a473d29cec28cb832c4740
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          DllResource.exe
          • Path C:\Users\Admin\TypeRes\DllResource.exe
          • Size 297.0MB
          • SHA256 8cfdaed57688e35470d597d9b9eb993409701da691554056eedd52bc18d4052a
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          memory/764-136-0x00000000032A4000-0x0000000003457000-memory.dmp
          Download

          memory/844-130-0x0000000002FB6000-0x0000000003169000-memory.dmp
          Download