Overview

overview

8

Static

static

21bde81628...1e.exe

windows7_x64

8

21bde81628...1e.exe

windows10_x64

8

Analysis

  • max time kernel
    138s
  • max time network
    124s
  • platform
    windows10_x64
  • resource
    win10v200430
  • submitted
    09/07/2020, 11:14

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General

  • Target

    21bde816285bdac8701e0143c1ae47f1fbee03c90b2cb3b9745740141ce7d51e.exe

  • Size

    206KB

  • MD5

    c3b9975b7840866bd3a00265804ca5a7

  • SHA1

    e14304e60e56483b20776b7b49952e1fa47f0944

  • SHA256

    21bde816285bdac8701e0143c1ae47f1fbee03c90b2cb3b9745740141ce7d51e

  • SHA512

    21de227cfdcf118102bc2156b347ae5b62e9e57a81fa08dbd9aa221694e48074f399b0d84e7a9fcbf81aebbedc09423828033c7f0666ee1704a3fa71c550cd4a

Score
8/10

Malware Config

Signatures

  • Suspicious use of WriteProcessMemory 15 IoCs
  • Executes dropped EXE 1 IoCs
  • 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
  • Drops file in Windows directory 1 IoCs
  • Looks up external IP address via web service 1 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 31 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\21bde816285bdac8701e0143c1ae47f1fbee03c90b2cb3b9745740141ce7d51e.exe
    "C:\Users\Admin\AppData\Local\Temp\21bde816285bdac8701e0143c1ae47f1fbee03c90b2cb3b9745740141ce7d51e.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious behavior: EnumeratesProcesses
    PID:2804
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn WinServices /tr '"C:\Users\Admin\AppData\Local\Microsoft\Networking\WinServices.exe"' & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2168
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn WinServices /tr '"C:\Users\Admin\AppData\Local\Microsoft\Networking\WinServices.exe"'
        3⤵
        • Creates scheduled task(s)
        PID:2892
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c explorer C:\Users\Admin\AppData\Local\Microsoft\Networking\WinServices.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2500
      • C:\Windows\SysWOW64\explorer.exe
        explorer C:\Users\Admin\AppData\Local\Microsoft\Networking\WinServices.exe
        3⤵
          PID:3848
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:2244
      • C:\Users\Admin\AppData\Local\Microsoft\Networking\WinServices.exe
        "C:\Users\Admin\AppData\Local\Microsoft\Networking\WinServices.exe"
        2⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious behavior: EnumeratesProcesses
        PID:3860
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3860 -s 1856
          3⤵
          • Program crash
          • Drops file in Windows directory
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious behavior: EnumeratesProcesses
          PID:504

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • memory/504-25-0x0000000005680000-0x0000000005681000-memory.dmp

      Filesize

      4KB

      Download

    • memory/504-8-0x0000000004D20000-0x0000000004D21000-memory.dmp

      Filesize

      4KB

      Download