Overview

overview

6

Static

static

8581c94add...e0.exe

windows7_x64

1

8581c94add...e0.exe

windows10_x64

6

Analysis

  • max time kernel
    105s
  • max time network
    113s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    25/12/2020, 08:02

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General

  • Target
    8581c94adda25e9f74d65753ee7f89e0.exe
  • Size 490KB
  • Sample201225-nvd9l8caa2
  • SHA256 43628dc10a888993bebb296e627e0f7e842d1060ecf45237ce4e071b040310b2
  • MD5 SHA1 SHA512
Score
6/10

Malware Config

Signatures

  • Looks up external IP address via web service 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

    persistence
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8581c94adda25e9f74d65753ee7f89e0.exe
    "C:\Users\Admin\AppData\Local\Temp\8581c94adda25e9f74d65753ee7f89e0.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:576
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c schtasks /Create /TN name /XML "C:\Users\Admin\AppData\Local\Temp\61bb80e8ff614e49b9c2c20967ecb3ad.xml"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2800
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /Create /TN name /XML "C:\Users\Admin\AppData\Local\Temp\61bb80e8ff614e49b9c2c20967ecb3ad.xml"
        3⤵
        • Creates scheduled task(s)
        PID:3936
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Users\Admin\AppData\Local\Temp\8581c94adda25e9f74d65753ee7f89e0.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3540

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/3540-3-0x0000000000400000-0x000000000046A000-memory.dmp
        Download

        memory/3540-7-0x0000000073400000-0x0000000073AEE000-memory.dmp
        Download

        memory/3540-11-0x00000000057D0000-0x00000000057D1000-memory.dmp
        Download

        memory/3540-12-0x0000000005D80000-0x0000000005D81000-memory.dmp
        Download

        memory/3540-13-0x0000000006910000-0x0000000006911000-memory.dmp
        Download

        memory/3540-14-0x0000000006B80000-0x0000000006B81000-memory.dmp
        Download

        memory/3540-15-0x00000000068F0000-0x00000000068F1000-memory.dmp
        Download