Overview

overview

8

Static

static

de10e75154...b4.exe

windows7_x64

8

de10e75154...b4.exe

windows10_x64

8

Analysis

  • max time kernel
    18s
  • max time network
    5s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    02/10/2021, 07:36

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General

  • Target
    de10e75154b078e933804bf93e99abb4.exe
  • Size 2.0MB
  • Sample211002-je9elsebar
  • SHA256 040e76d98de6f2faeefdfff6e5c1c2b892a246cc028fa90cb67291714d91086e
  • MD5 SHA1 SHA512
Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 2 IoCs

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

    persistence
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\de10e75154b078e933804bf93e99abb4.exe
    "C:\Users\Admin\AppData\Local\Temp\de10e75154b078e933804bf93e99abb4.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1920
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "AudioHDDriver" /tr '"C:\Users\Admin\AppData\Roaming\AudioHDDriver.exe"' & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1160
      • C:\Windows\system32\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "AudioHDDriver" /tr '"C:\Users\Admin\AppData\Roaming\AudioHDDriver.exe"'
        3⤵
        • Creates scheduled task(s)
        PID:1244
    • C:\Users\Admin\AppData\Roaming\AudioHDDriver.exe
      "C:\Users\Admin\AppData\Roaming\AudioHDDriver.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1324
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "AudioHDDriver" /tr '"C:\Users\Admin\AppData\Roaming\AudioHDDriver.exe"' & exit
        3⤵
          PID:1988
          • C:\Windows\system32\schtasks.exe
            schtasks /create /f /sc onlogon /rl highest /tn "AudioHDDriver" /tr '"C:\Users\Admin\AppData\Roaming\AudioHDDriver.exe"'
            4⤵
            • Creates scheduled task(s)
            PID:1716
        • C:\Users\Admin\AppData\Roaming\Microsoft\Telemetry\sihost32.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\Telemetry\sihost32.exe"
          3⤵
            PID:1712

      Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

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            Downloads

            memory/1324-71-0x000000013FE40000-0x000000013FE41000-memory.dmp
            Download

            memory/1324-74-0x000000001B950000-0x000000001B952000-memory.dmp
            Download

            memory/1712-82-0x000000013FB00000-0x000000013FB01000-memory.dmp
            Download

            memory/1920-60-0x000000013FBE0000-0x000000013FBE1000-memory.dmp
            Download

            memory/1920-64-0x000000001CE00000-0x000000001CFE7000-memory.dmp
            Download

            memory/1920-63-0x000000001BB40000-0x000000001BB42000-memory.dmp
            Download

            memory/1920-62-0x00000000024E0000-0x00000000026C7000-memory.dmp
            Download