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Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/12/2024, 20:15

General

  • Target

    Payload.exe

  • Size

    55KB

  • MD5

    0aa0d54c852edc70645d3283c38d4248

  • SHA1

    90e62a41ac7f38e8d4cfca9bee412f6f155a2ce5

  • SHA256

    3eeedb97ac9a8cc70f5ce4de874670603c11518250ffb3e1e5e9f485b8de640f

  • SHA512

    b2994209bdca0f3899470b11374ad674d8f34454406d1b55946fc092543852c60fcafdd2eacde85030953a875da8172c3f6ece0efcbdbda1aea8d0e7267bfbad

  • SSDEEP

    1536:kqBLcDnCN6FikSJDOwsNMD2XExI3pmTm:xcDn7MBJDOwsNMD2XExI3pm

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops startup file 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Payload.exe
    "C:\Users\Admin\AppData\Local\Temp\Payload.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1212
    • C:\Users\Admin\AppData\Local\Temp\dllhost.exe
      "C:\Users\Admin\AppData\Local\Temp\dllhost.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3156
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /delete /tn CleanSweepCheck /f
        3⤵
        • System Location Discovery: System Language Discovery
        PID:228
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c ping 0 -n 2 & del "C:\Users\Admin\AppData\Local\Temp\dllhost.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Suspicious use of WriteProcessMemory
        PID:4868
        • C:\Windows\SysWOW64\PING.EXE
          ping 0 -n 2
          4⤵
          • System Location Discovery: System Language Discovery
          • System Network Configuration Discovery: Internet Connection Discovery
          • Runs ping.exe
          PID:3252

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    55KB

    MD5

    0aa0d54c852edc70645d3283c38d4248

    SHA1

    90e62a41ac7f38e8d4cfca9bee412f6f155a2ce5

    SHA256

    3eeedb97ac9a8cc70f5ce4de874670603c11518250ffb3e1e5e9f485b8de640f

    SHA512

    b2994209bdca0f3899470b11374ad674d8f34454406d1b55946fc092543852c60fcafdd2eacde85030953a875da8172c3f6ece0efcbdbda1aea8d0e7267bfbad

  • memory/1212-0-0x0000000074E92000-0x0000000074E93000-memory.dmp

    Filesize

    4KB

  • memory/1212-1-0x0000000074E90000-0x0000000075441000-memory.dmp

    Filesize

    5.7MB

  • memory/1212-2-0x0000000074E90000-0x0000000075441000-memory.dmp

    Filesize

    5.7MB

  • memory/1212-14-0x0000000074E90000-0x0000000075441000-memory.dmp

    Filesize

    5.7MB

  • memory/3156-13-0x0000000074E90000-0x0000000075441000-memory.dmp

    Filesize

    5.7MB

  • memory/3156-15-0x0000000074E90000-0x0000000075441000-memory.dmp

    Filesize

    5.7MB

  • memory/3156-12-0x0000000074E90000-0x0000000075441000-memory.dmp

    Filesize

    5.7MB

  • memory/3156-17-0x0000000074E90000-0x0000000075441000-memory.dmp

    Filesize

    5.7MB

  • memory/3156-18-0x0000000074E90000-0x0000000075441000-memory.dmp

    Filesize

    5.7MB

  • memory/3156-22-0x0000000074E90000-0x0000000075441000-memory.dmp

    Filesize

    5.7MB