Analysis

  • max time kernel
    147s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/02/2024, 00:27

General

  • Target
    98030eaa87dfbbaff2f7b66fcdb9b7cc.exe
  • Size 267KB
  • Sample240213-arwvlsfa6v
  • SHA256 f35d8086dba71fc501f7d1ee444d4194fc470a7b779693a08b06b17824b77f67
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • metasploit

Version
  • encoder/fnstenv_mov

Signatures

  • Detect Lumma Stealer payload V4 18 IoCs
  • Lumma Stealer

    An infostealer written in C++ first seen in August 2022.

  • MetaSploit

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

  • Executes dropped EXE 10 IoCs
  • Drops file in System32 directory 32 IoCs
  • Program crash 3 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\98030eaa87dfbbaff2f7b66fcdb9b7cc.exe
    "C:\Users\Admin\AppData\Local\Temp\98030eaa87dfbbaff2f7b66fcdb9b7cc.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious use of WriteProcessMemory
    PID:2860
    • C:\Windows\SysWOW64\spwls.exe
      C:\Windows\system32\spwls.exe 1032 "C:\Users\Admin\AppData\Local\Temp\98030eaa87dfbbaff2f7b66fcdb9b7cc.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:2980
      • C:\Windows\SysWOW64\spwls.exe
        C:\Windows\system32\spwls.exe 1156 "C:\Windows\SysWOW64\spwls.exe"
        3⤵
        • Executes dropped EXE
        • Drops file in System32 directory
        • Suspicious use of WriteProcessMemory
        PID:684
        • C:\Windows\SysWOW64\spwls.exe
          C:\Windows\system32\spwls.exe 1124 "C:\Windows\SysWOW64\spwls.exe"
          4⤵
          • Executes dropped EXE
          • Drops file in System32 directory
          • Suspicious use of WriteProcessMemory
          PID:3944
          • C:\Windows\SysWOW64\spwls.exe
            C:\Windows\system32\spwls.exe 1128 "C:\Windows\SysWOW64\spwls.exe"
            5⤵
            • Executes dropped EXE
            • Drops file in System32 directory
            • Suspicious use of WriteProcessMemory
            PID:3068
            • C:\Windows\SysWOW64\spwls.exe
              C:\Windows\system32\spwls.exe 1132 "C:\Windows\SysWOW64\spwls.exe"
              6⤵
              • Executes dropped EXE
              • Drops file in System32 directory
              • Suspicious use of WriteProcessMemory
              PID:3436
              • C:\Windows\SysWOW64\spwls.exe
                C:\Windows\system32\spwls.exe 1136 "C:\Windows\SysWOW64\spwls.exe"
                7⤵
                • Executes dropped EXE
                • Drops file in System32 directory
                • Suspicious use of WriteProcessMemory
                PID:972
                • C:\Windows\SysWOW64\spwls.exe
                  C:\Windows\system32\spwls.exe 1140 "C:\Windows\SysWOW64\spwls.exe"
                  8⤵
                  • Executes dropped EXE
                  • Drops file in System32 directory
                  • Suspicious use of WriteProcessMemory
                  PID:1880
                  • C:\Windows\SysWOW64\spwls.exe
                    C:\Windows\system32\spwls.exe 1144 "C:\Windows\SysWOW64\spwls.exe"
                    9⤵
                    • Executes dropped EXE
                    • Drops file in System32 directory
                    • Suspicious use of WriteProcessMemory
                    PID:4516
                    • C:\Windows\SysWOW64\spwls.exe
                      C:\Windows\system32\spwls.exe 1152 "C:\Windows\SysWOW64\spwls.exe"
                      10⤵
                      • Executes dropped EXE
                      • Drops file in System32 directory
                      • Suspicious use of WriteProcessMemory
                      PID:3060
                      • C:\Windows\SysWOW64\spwls.exe
                        C:\Windows\system32\spwls.exe 1148 "C:\Windows\SysWOW64\spwls.exe"
                        11⤵
                        • Executes dropped EXE
                        • Drops file in System32 directory
                        PID:2016
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -u -p 4516 -s 1196
                      10⤵
                      • Program crash
                      PID:2840
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 3436 -s 1144
                7⤵
                • Program crash
                PID:4424
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 3068 -s 1140
              6⤵
              • Program crash
              PID:4380
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3068 -ip 3068
    1⤵
      PID:1400
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 3436 -ip 3436
      1⤵
        PID:1852
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 568 -p 4516 -ip 4516
        1⤵
          PID:3752

        Network

              MITRE ATT&CK Matrix

              Replay Monitor

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              Downloads

              spwls.exe

              • Path C:\Windows\SysWOW64\spwls.exe
              • Size 267KB
              • SHA256 f35d8086dba71fc501f7d1ee444d4194fc470a7b779693a08b06b17824b77f67
              • MD5 SHA1 SHA512 SSDEEP

              memory/684-124-0x0000000000400000-0x0000000000547000-memory.dmp

              memory/684-135-0x0000000000400000-0x0000000000547000-memory.dmp

              memory/972-255-0x0000000000400000-0x0000000000547000-memory.dmp

              memory/972-241-0x0000000000400000-0x0000000000547000-memory.dmp

              memory/1880-284-0x0000000000400000-0x0000000000547000-memory.dmp

              memory/1880-274-0x0000000000400000-0x0000000000547000-memory.dmp

              memory/2860-38-0x0000000002400000-0x0000000002401000-memory.dmp

              memory/2860-55-0x0000000003310000-0x0000000003311000-memory.dmp

              memory/2860-6-0x0000000000700000-0x0000000000701000-memory.dmp

              memory/2860-7-0x0000000002410000-0x0000000002415000-memory.dmp

              memory/2860-8-0x0000000002420000-0x0000000002421000-memory.dmp

              memory/2860-9-0x00000000023E0000-0x00000000023E1000-memory.dmp

              memory/2860-10-0x00000000023F0000-0x00000000023F1000-memory.dmp

              memory/2860-11-0x0000000002430000-0x0000000002431000-memory.dmp

              memory/2860-13-0x0000000002560000-0x0000000002561000-memory.dmp

              memory/2860-12-0x0000000002570000-0x0000000002571000-memory.dmp

              memory/2860-14-0x0000000002590000-0x0000000002591000-memory.dmp

              memory/2860-15-0x0000000002580000-0x0000000002581000-memory.dmp

              memory/2860-41-0x0000000003240000-0x0000000003241000-memory.dmp

              memory/2860-17-0x00000000025A0000-0x00000000025A1000-memory.dmp

              memory/2860-18-0x00000000025F0000-0x00000000025F1000-memory.dmp

              memory/2860-19-0x00000000025E0000-0x00000000025E1000-memory.dmp

              memory/2860-20-0x0000000002610000-0x0000000002611000-memory.dmp

              memory/2860-21-0x0000000002600000-0x0000000002601000-memory.dmp

              memory/2860-22-0x0000000002630000-0x0000000002631000-memory.dmp

              memory/2860-23-0x0000000002620000-0x0000000002621000-memory.dmp

              memory/2860-24-0x0000000002650000-0x0000000002651000-memory.dmp

              memory/2860-25-0x0000000002640000-0x0000000002641000-memory.dmp

              memory/2860-26-0x0000000002670000-0x0000000002671000-memory.dmp

              memory/2860-27-0x0000000002660000-0x0000000002661000-memory.dmp

              memory/2860-28-0x0000000002680000-0x0000000002681000-memory.dmp

              memory/2860-29-0x00000000026B0000-0x00000000026B1000-memory.dmp

              memory/2860-30-0x00000000026A0000-0x00000000026A1000-memory.dmp

              memory/2860-31-0x00000000026D0000-0x00000000026D1000-memory.dmp

              memory/2860-32-0x00000000026C0000-0x00000000026C1000-memory.dmp

              memory/2860-34-0x00000000026E0000-0x00000000026E1000-memory.dmp

              memory/2860-33-0x00000000026F0000-0x00000000026F1000-memory.dmp

              memory/2860-35-0x0000000002710000-0x0000000002711000-memory.dmp

              memory/2860-36-0x0000000002700000-0x0000000002701000-memory.dmp

              memory/2860-37-0x00000000023D0000-0x00000000023D1000-memory.dmp

              memory/2860-4-0x00000000023A0000-0x00000000023A1000-memory.dmp

              memory/2860-39-0x0000000002690000-0x0000000002691000-memory.dmp

              memory/2860-16-0x00000000025D0000-0x00000000025D1000-memory.dmp

              memory/2860-5-0x0000000000710000-0x0000000000711000-memory.dmp

              memory/2860-60-0x0000000003320000-0x0000000003321000-memory.dmp

              memory/2860-43-0x0000000003260000-0x0000000003261000-memory.dmp

              memory/2860-44-0x0000000003290000-0x0000000003291000-memory.dmp

              memory/2860-45-0x0000000003280000-0x0000000003281000-memory.dmp

              memory/2860-46-0x00000000032B0000-0x00000000032B1000-memory.dmp

              memory/2860-47-0x00000000032A0000-0x00000000032A1000-memory.dmp

              memory/2860-48-0x00000000032D0000-0x00000000032D1000-memory.dmp

              memory/2860-49-0x00000000032C0000-0x00000000032C1000-memory.dmp

              memory/2860-53-0x00000000032F0000-0x00000000032F1000-memory.dmp

              memory/2860-40-0x0000000003250000-0x0000000003251000-memory.dmp

              memory/2860-54-0x00000000032E0000-0x00000000032E1000-memory.dmp

              memory/2860-56-0x0000000003300000-0x0000000003301000-memory.dmp

              memory/2860-59-0x0000000003330000-0x0000000003331000-memory.dmp

              memory/2860-61-0x0000000003350000-0x0000000003351000-memory.dmp

              memory/2860-42-0x0000000003270000-0x0000000003271000-memory.dmp

              memory/2860-63-0x0000000003370000-0x0000000003371000-memory.dmp

              memory/2860-62-0x0000000003340000-0x0000000003341000-memory.dmp

              memory/2860-64-0x0000000003360000-0x0000000003361000-memory.dmp

              memory/2860-65-0x0000000003390000-0x0000000003391000-memory.dmp

              memory/2860-66-0x0000000003380000-0x0000000003381000-memory.dmp

              memory/2860-67-0x0000000000400000-0x0000000000547000-memory.dmp

              memory/2860-70-0x00000000021F0000-0x0000000002234000-memory.dmp

              memory/2860-0-0x0000000000400000-0x0000000000547000-memory.dmp

              memory/2860-1-0x0000000000690000-0x0000000000691000-memory.dmp

              memory/2860-2-0x0000000000690000-0x0000000000692000-memory.dmp

              memory/2860-3-0x00000000021F0000-0x0000000002234000-memory.dmp

              memory/2980-108-0x0000000000400000-0x0000000000547000-memory.dmp

              memory/2980-94-0x0000000000400000-0x0000000000547000-memory.dmp

              memory/2980-69-0x0000000000580000-0x0000000000582000-memory.dmp

              memory/3060-325-0x0000000000400000-0x0000000000547000-memory.dmp

              memory/3068-209-0x0000000000400000-0x0000000000547000-memory.dmp

              memory/3068-184-0x0000000000400000-0x0000000000547000-memory.dmp

              memory/3436-214-0x0000000000400000-0x0000000000547000-memory.dmp

              memory/3436-235-0x0000000000400000-0x0000000000547000-memory.dmp

              memory/3944-152-0x0000000000400000-0x0000000000547000-memory.dmp

              memory/3944-164-0x0000000000400000-0x0000000000547000-memory.dmp

              memory/4516-298-0x0000000000400000-0x0000000000547000-memory.dmp

              memory/4516-313-0x0000000000400000-0x0000000000547000-memory.dmp