Overview

overview

8

Static

static

de10e75154...b4.exe

windows7_x64

8

de10e75154...b4.exe

windows10_x64

8

Analysis

  • max time kernel
    145s
  • max time network
    121s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • 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 2 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⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3620
    • 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:2756
      • 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:4272
    • 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:4016
      • 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⤵
        • Suspicious use of WriteProcessMemory
        PID:504
        • 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:4360
      • C:\Users\Admin\AppData\Roaming\Microsoft\Telemetry\sihost32.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\Telemetry\sihost32.exe"
        3⤵
        • Executes dropped EXE
        PID:4344

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/3620-120-0x0000000003750000-0x0000000003751000-memory.dmp
        Download

        memory/3620-115-0x0000000000C10000-0x0000000000C11000-memory.dmp
        Download

        memory/3620-119-0x000000001D690000-0x000000001D877000-memory.dmp
        Download

        memory/3620-118-0x000000001C890000-0x000000001C892000-memory.dmp
        Download

        memory/3620-117-0x000000001CCA0000-0x000000001CE87000-memory.dmp
        Download

        memory/4016-129-0x0000000000E70000-0x0000000000E72000-memory.dmp
        Download

        memory/4344-137-0x0000000000650000-0x0000000000651000-memory.dmp
        Download

        memory/4344-139-0x0000000002E80000-0x0000000002E82000-memory.dmp
        Download