Overview

overview

10

Static

static

10

1234.exe

windows7_x64

3

1234.exe

windows10_x64

3

Resubmissions

15-04-2021 19:10

210415-w74xxxq3ts 10

15-04-2021 19:06

210415-7qwvfw5l22 10

Analysis

  • max time kernel
    150s
  • max time network
    11s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    15-04-2021 19:06

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General

  • Target

    1234.exe

  • Size

    1.2MB

  • MD5

    45de46aae024150078e249dec173a337

  • SHA1

    bd1f8891836765f1c58777806cb82657b8c3bd7e

  • SHA256

    554ac14fb25de9add3d66f0877a7da079bf6818a4957a21b2a618c6aac22b6c4

  • SHA512

    2bb1d4d1908cc2534677f32861dd0185c2907508112d05434d731088a62f9f28071e8652111c2745dad28d4334c696471dc358ca9537b08e390157d5502def24

Score
3/10

Malware Config

Signatures

  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 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 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 11 IoCs
  • Suspicious use of FindShellTrayWindow 16 IoCs
  • Suspicious use of SendNotifyMessage 15 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1234.exe
    "C:\Users\Admin\AppData\Local\Temp\1234.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1672
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1672 -s 536
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      PID:1124
  • C:\Windows\System32\control.exe
    "C:\Windows\System32\control.exe" "C:\Windows\system32\timedate.cpl",
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:616
    • C:\Windows\system32\rundll32.exe
      "C:\Windows\system32\rundll32.exe" Shell32.dll,Control_RunDLL "C:\Windows\system32\timedate.cpl",
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:472
  • C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    1⤵
      PID:1572
    • C:\Windows\system32\AUDIODG.EXE
      C:\Windows\system32\AUDIODG.EXE 0x58c
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1984
    • C:\Users\Admin\AppData\Local\Temp\1234.exe
      "C:\Users\Admin\AppData\Local\Temp\1234.exe"
      1⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1196
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "SystemLanguageDriverver2.31" /tr '"C:\Users\Admin\AppData\Local\Temp\System Language Driver ver 2.31\SystemLanguageDriverver2.31.exe"' & exit
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:332
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks /create /f /sc onlogon /rl highest /tn "SystemLanguageDriverver2.31" /tr '"C:\Users\Admin\AppData\Local\Temp\System Language Driver ver 2.31\SystemLanguageDriverver2.31.exe"'
          3⤵
          • Creates scheduled task(s)
          PID:856
    • C:\Users\Admin\AppData\Local\Temp\1234.exe
      "C:\Users\Admin\AppData\Local\Temp\1234.exe"
      1⤵
        PID:1904
      • C:\Windows\system32\taskmgr.exe
        "C:\Windows\system32\taskmgr.exe" /4
        1⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:1960

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Initial Access

      Execution

      Scheduled Task

      1
      T1053

      Persistence

      Scheduled Task

      1
      T1053

      Privilege Escalation

      Scheduled Task

      1
      T1053

      Defense Evasion

      Credential Access

      Discovery

      System Information Discovery

      1
      T1082

      Lateral Movement

      Collection

      Exfiltration

      Command and Control

      Impact

      Replay Monitor

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      Downloads

      • memory/332-70-0x0000000000000000-mapping.dmp
        Download
      • memory/472-64-0x0000000000000000-mapping.dmp
        Download
      • memory/616-63-0x000007FEFBAE1000-0x000007FEFBAE3000-memory.dmp
        Filesize

        8KB

        Download
      • memory/856-71-0x0000000000000000-mapping.dmp
        Download
      • memory/1124-61-0x0000000000000000-mapping.dmp
        Download
      • memory/1124-62-0x00000000003A0000-0x00000000003A1000-memory.dmp
        Filesize

        4KB

        Download
      • memory/1196-67-0x0000000000A50000-0x0000000000A51000-memory.dmp
        Filesize

        4KB

        Download
      • memory/1196-69-0x0000000004AF0000-0x0000000004AF1000-memory.dmp
        Filesize

        4KB

        Download
      • memory/1672-59-0x0000000000380000-0x0000000000381000-memory.dmp
        Filesize

        4KB

        Download
      • memory/1904-74-0x0000000004A30000-0x0000000004A31000-memory.dmp
        Filesize

        4KB

        Download