Overview

overview

10

Static

static

96c74934f5...e6.exe

windows7_x64

10

96c74934f5...e6.exe

windows10_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    145s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    12/11/2020, 14:05

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General

  • Target
    96c74934f5dfb4c055192ed0f8be284bfd3d1cb1f00e56e4d50b5e2eca176be6.exe
  • Size 221KB
  • Sample201112-blf5m8d6sa
  • SHA256 96c74934f5dfb4c055192ed0f8be284bfd3d1cb1f00e56e4d50b5e2eca176be6
  • MD5 SHA1 SHA512
Score
10/10
persistence

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
    persistence
  • Executes dropped EXE 4 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Modifies service 2 TTPs 26 IoCs
    persistence
  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

    persistence
  • Delays execution with timeout.exe 1 IoCs
    evasion
  • Suspicious behavior: EnumeratesProcesses 101 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\96c74934f5dfb4c055192ed0f8be284bfd3d1cb1f00e56e4d50b5e2eca176be6.exe
    "C:\Users\Admin\AppData\Local\Temp\96c74934f5dfb4c055192ed0f8be284bfd3d1cb1f00e56e4d50b5e2eca176be6.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:4756
    • C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\npmproxy32.exe
      "C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\npmproxy32.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Executes dropped EXE
      • Modifies service
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1172
      • C:\Windows\System32\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /create /tn Admin /tr "\"C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\npmproxy32.exe\" arguments" /sc MINUTE /mo 1
        3⤵
        • Creates scheduled task(s)
        PID:980
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe"
      2⤵
        PID:3192
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /c timeout /t 5 && del "C:\Users\Admin\AppData\Local\Temp\96c74934f5dfb4c055192ed0f8be284bfd3d1cb1f00e56e4d50b5e2eca176be6.exe" && del "C:\Users\Admin\AppData\Local\Temp\96c74934f5dfb4c055192ed0f8be284bfd3d1cb1f00e56e4d50b5e2eca176be6.exe.config"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3104
        • C:\Windows\system32\timeout.exe
          timeout /t 5
          3⤵
          • Delays execution with timeout.exe
          PID:4348
    • C:\Windows\system32\wbem\WmiApSrv.exe
      C:\Windows\system32\wbem\WmiApSrv.exe
      1⤵
        PID:1372
      • C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\npmproxy32.exe
        C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\npmproxy32.exe arguments
        1⤵
        • Executes dropped EXE
        PID:2440
      • C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\npmproxy32.exe
        C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\npmproxy32.exe arguments
        1⤵
        • Executes dropped EXE
        PID:2848
      • C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\npmproxy32.exe
        C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\npmproxy32.exe arguments
        1⤵
        • Executes dropped EXE
        PID:2052

      Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

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            Downloads

            memory/1172-5-0x00007FF942880000-0x00007FF943220000-memory.dmp
            Download

            memory/1172-11-0x0000000020930000-0x0000000020931000-memory.dmp
            Download

            memory/1172-16-0x0000000020930000-0x0000000020931000-memory.dmp
            Download

            memory/1172-17-0x0000000020B30000-0x0000000020B31000-memory.dmp
            Download

            memory/2052-24-0x00007FF942880000-0x00007FF943220000-memory.dmp
            Download

            memory/2440-19-0x00007FF942880000-0x00007FF943220000-memory.dmp
            Download

            memory/2848-22-0x00007FF942880000-0x00007FF943220000-memory.dmp
            Download

            memory/4756-0-0x00007FF942880000-0x00007FF943220000-memory.dmp
            Download