Analysis

  • max time kernel
    147s
  • max time network
    180s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    11-06-2022 16:14

General

  • Target

    23s.exe

  • Size

    71KB

  • MD5

    e79d48bc650a2e1bd36d73f438826b8d

  • SHA1

    191e1644ca6b40fd8469d8013e4f931ac9877c18

  • SHA256

    5f3916cde8f3852fc370be7442e668f31a0d676f2ae912f88042481f972cc26a

  • SHA512

    7451442c8ff56ce0124efe429afbba480c71e56247f5cbebe83a0aa7107e9e3c3f68e891dfa928d1fc47be8c5fd715f59ebd252cf4d3d06f1eb471f6d422948d

Malware Config

Extracted

Family

metasploit

Version

metasploit_stager

C2

51.75.89.111:50438

Signatures

  • MetaSploit

    Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

  • Mimikatz

    mimikatz is an open source tool to dump credentials on Windows.

  • suricata: ET MALWARE Possible Metasploit Payload Common Construct Bind_API (from server)

    suricata: ET MALWARE Possible Metasploit Payload Common Construct Bind_API (from server)

  • mimikatz is an open source tool to dump credentials on Windows 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\23s.exe
    "C:\Users\Admin\AppData\Local\Temp\23s.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1684
    • C:\Windows\system32\svchost.exe
      svchost.exe
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1900
      • C:\Windows\system32\notepad.exe
        notepad.exe
        3⤵
          PID:1908

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1900-61-0x0000000000130000-0x0000000000157000-memory.dmp
      Filesize

      156KB

    • memory/1900-63-0x0000000000640000-0x000000000067B000-memory.dmp
      Filesize

      236KB

    • memory/1900-56-0x0000000000640000-0x000000000067B000-memory.dmp
      Filesize

      236KB

    • memory/1900-58-0x00000000020F0000-0x00000000021F0000-memory.dmp
      Filesize

      1024KB

    • memory/1900-59-0x00000000021F0000-0x000000000224F000-memory.dmp
      Filesize

      380KB

    • memory/1900-60-0x0000000000407000-0x0000000000428000-memory.dmp
      Filesize

      132KB

    • memory/1900-55-0x0000000000350000-0x0000000000385000-memory.dmp
      Filesize

      212KB

    • memory/1900-62-0x00000000029A0000-0x0000000002B0A000-memory.dmp
      Filesize

      1.4MB

    • memory/1900-75-0x0000000000407000-0x0000000000428000-memory.dmp
      Filesize

      132KB

    • memory/1900-64-0x0000000002B10000-0x0000000002C7E000-memory.dmp
      Filesize

      1.4MB

    • memory/1900-54-0x0000000000000000-mapping.dmp
    • memory/1900-79-0x0000000002B10000-0x0000000002C7E000-memory.dmp
      Filesize

      1.4MB

    • memory/1900-78-0x00000000029A0000-0x0000000002B0A000-memory.dmp
      Filesize

      1.4MB

    • memory/1900-68-0x00000000020F0000-0x00000000021F0000-memory.dmp
      Filesize

      1024KB

    • memory/1900-69-0x00000000021F0000-0x000000000224F000-memory.dmp
      Filesize

      380KB

    • memory/1908-65-0x0000000000000000-mapping.dmp
    • memory/1908-76-0x0000000000110000-0x0000000000131000-memory.dmp
      Filesize

      132KB

    • memory/1908-72-0x0000000002AB0000-0x0000000002B2D000-memory.dmp
      Filesize

      500KB

    • memory/1908-77-0x0000000000140000-0x0000000000166000-memory.dmp
      Filesize

      152KB

    • memory/1908-67-0x0000000000110000-0x0000000000131000-memory.dmp
      Filesize

      132KB

    • memory/1908-66-0x000007FEFC021000-0x000007FEFC023000-memory.dmp
      Filesize

      8KB

    • memory/1908-80-0x0000000000140000-0x0000000000166000-memory.dmp
      Filesize

      152KB