Analysis

  • max time kernel
    120s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/10/2024, 22:35

General

  • Target
    0a6d88e0e25fc2d08af26da2de847c09c078942b06ce19adc0c06f44f5b3c5f8N.exe
  • Size 1.2MB
  • Sample241004-2htsfazerl
  • SHA256 0a6d88e0e25fc2d08af26da2de847c09c078942b06ce19adc0c06f44f5b3c5f8
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Detects Renamer worm. 2 IoCs

    Renamer aka Grename is worm written in Delphi.

  • Renamer, Grenam

    Renamer aka Grenam is a worm written in Delphi.

  • Checks computer location settings 2 TTPs 7 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 16 IoCs
  • Adds Run key to start application 2 TTPs 5 IoCs
  • Suspicious use of SetThreadContext 15 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 22 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 20 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0a6d88e0e25fc2d08af26da2de847c09c078942b06ce19adc0c06f44f5b3c5f8N.exe
    "C:\Users\Admin\AppData\Local\Temp\0a6d88e0e25fc2d08af26da2de847c09c078942b06ce19adc0c06f44f5b3c5f8N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3640
    • C:\Users\Admin\AppData\Local\Temp\0a6d88e0e25fc2d08af26da2de847c09c078942b06ce19adc0c06f44f5b3c5f8N.exe
      "C:\Users\Admin\AppData\Local\Temp\0a6d88e0e25fc2d08af26da2de847c09c078942b06ce19adc0c06f44f5b3c5f8N.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1440
      • C:\Users\Admin\AppData\Local\Temp\0a6d88e0e25fc2d08af26da2de847c09c078942b06ce19adc0c06f44f5b3c5f8N.exe
        "C:\Users\Admin\AppData\Local\Temp\0a6d88e0e25fc2d08af26da2de847c09c078942b06ce19adc0c06f44f5b3c5f8N.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:5060
        • C:\Users\Admin\AppData\Local\Temp\0a6d88e0e25fc2d08af26da2de847c09c078942b06ce19adc0c06f44f5b3c5f8N.exe
          "C:\Users\Admin\AppData\Local\Temp\0a6d88e0e25fc2d08af26da2de847c09c078942b06ce19adc0c06f44f5b3c5f8N.exe"
          4⤵
          • Checks computer location settings
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:3948
          • C:\Users\Admin\AppData\Local\Temp\0a6d88e0e25fc2d08af26da2de847c09c078942b06ce19adc0c06f44f5b3c5f8N.exe
            "C:\Users\Admin\AppData\Local\Temp\0a6d88e0e25fc2d08af26da2de847c09c078942b06ce19adc0c06f44f5b3c5f8N.exe"
            5⤵
            • Checks computer location settings
            • Suspicious use of SetThreadContext
            • System Location Discovery: System Language Discovery
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:4564
            • C:\Users\Admin\AppData\Local\Temp\0a6d88e0e25fc2d08af26da2de847c09c078942b06ce19adc0c06f44f5b3c5f8N.exe
              "C:\Users\Admin\AppData\Local\Temp\0a6d88e0e25fc2d08af26da2de847c09c078942b06ce19adc0c06f44f5b3c5f8N.exe"
              6⤵
              • Suspicious use of SetThreadContext
              • System Location Discovery: System Language Discovery
              • Suspicious use of AdjustPrivilegeToken
              PID:2676
              • C:\Users\Admin\AppData\Local\Temp\0a6d88e0e25fc2d08af26da2de847c09c078942b06ce19adc0c06f44f5b3c5f8N.exe
                "C:\Users\Admin\AppData\Local\Temp\0a6d88e0e25fc2d08af26da2de847c09c078942b06ce19adc0c06f44f5b3c5f8N.exe"
                7⤵
                  PID:916
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -u -p 916 -s 432
                    8⤵
                    • Program crash
                    PID:4964
              • C:\Users\Admin\AppData\Roaming\Microsoft\AeLookupSvi.exe
                "C:\Users\Admin\AppData\Roaming\Microsoft\AeLookupSvi.exe"
                6⤵
                • Checks computer location settings
                • Executes dropped EXE
                • Adds Run key to start application
                • System Location Discovery: System Language Discovery
                • Suspicious use of AdjustPrivilegeToken
                PID:2868
                • C:\Users\Admin\AppData\Roaming\Microsoft\ProfSvc.exe
                  "C:\Users\Admin\AppData\Roaming\Microsoft\ProfSvc.exe"
                  7⤵
                  • Executes dropped EXE
                  • Suspicious use of SetThreadContext
                  • System Location Discovery: System Language Discovery
                  • Suspicious use of AdjustPrivilegeToken
                  PID:5052
                  • C:\Users\Admin\AppData\Roaming\Microsoft\ProfSvc.exe
                    "C:\Users\Admin\AppData\Roaming\Microsoft\ProfSvc.exe"
                    8⤵
                    • Executes dropped EXE
                    • Suspicious use of SetThreadContext
                    • System Location Discovery: System Language Discovery
                    • Suspicious use of AdjustPrivilegeToken
                    PID:4436
                    • C:\Users\Admin\AppData\Roaming\Microsoft\ProfSvc.exe
                      "C:\Users\Admin\AppData\Roaming\Microsoft\ProfSvc.exe"
                      9⤵
                      • Executes dropped EXE
                      • Suspicious use of SetThreadContext
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of AdjustPrivilegeToken
                      PID:4700
                      • C:\Users\Admin\AppData\Roaming\Microsoft\ProfSvc.exe
                        "C:\Users\Admin\AppData\Roaming\Microsoft\ProfSvc.exe"
                        10⤵
                        • Checks computer location settings
                        • Executes dropped EXE
                        • Suspicious use of SetThreadContext
                        • System Location Discovery: System Language Discovery
                        • Suspicious use of AdjustPrivilegeToken
                        PID:2060
                        • C:\Users\Admin\AppData\Roaming\Microsoft\ProfSvc.exe
                          "C:\Users\Admin\AppData\Roaming\Microsoft\ProfSvc.exe"
                          11⤵
                          • Executes dropped EXE
                          • System Location Discovery: System Language Discovery
                          PID:4384
                        • C:\Users\Admin\AppData\Roaming\Microsoft\LookupSvi.exe
                          "C:\Users\Admin\AppData\Roaming\Microsoft\LookupSvi.exe"
                          11⤵
                          • Executes dropped EXE
                          • Adds Run key to start application
                          • System Location Discovery: System Language Discovery
                          • Suspicious use of AdjustPrivilegeToken
                          PID:4668
            • C:\Users\Admin\AppData\Roaming\Microsoft\LookupSvi.exe
              "C:\Users\Admin\AppData\Roaming\Microsoft\LookupSvi.exe"
              5⤵
              • Checks computer location settings
              • Executes dropped EXE
              • Adds Run key to start application
              • System Location Discovery: System Language Discovery
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of WriteProcessMemory
              PID:1148
              • C:\Users\Admin\AppData\Roaming\Microsoft\secdrv.exe
                "C:\Users\Admin\AppData\Roaming\Microsoft\secdrv.exe"
                6⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                • System Location Discovery: System Language Discovery
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                PID:1560
                • C:\Users\Admin\AppData\Roaming\Microsoft\secdrv.exe
                  "C:\Users\Admin\AppData\Roaming\Microsoft\secdrv.exe"
                  7⤵
                  • Executes dropped EXE
                  • Suspicious use of SetThreadContext
                  • System Location Discovery: System Language Discovery
                  • Suspicious use of AdjustPrivilegeToken
                  • Suspicious use of WriteProcessMemory
                  PID:396
                  • C:\Users\Admin\AppData\Roaming\Microsoft\secdrv.exe
                    "C:\Users\Admin\AppData\Roaming\Microsoft\secdrv.exe"
                    8⤵
                    • Executes dropped EXE
                    • Suspicious use of SetThreadContext
                    • System Location Discovery: System Language Discovery
                    • Suspicious use of AdjustPrivilegeToken
                    PID:2612
                    • C:\Users\Admin\AppData\Roaming\Microsoft\secdrv.exe
                      "C:\Users\Admin\AppData\Roaming\Microsoft\secdrv.exe"
                      9⤵
                      • Checks computer location settings
                      • Executes dropped EXE
                      • Suspicious use of SetThreadContext
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of AdjustPrivilegeToken
                      PID:3112
                      • C:\Users\Admin\AppData\Roaming\Microsoft\secdrv.exe
                        "C:\Users\Admin\AppData\Roaming\Microsoft\secdrv.exe"
                        10⤵
                        • Checks computer location settings
                        • Executes dropped EXE
                        • Suspicious use of SetThreadContext
                        • System Location Discovery: System Language Discovery
                        • Suspicious use of AdjustPrivilegeToken
                        PID:4800
                        • C:\Users\Admin\AppData\Roaming\Microsoft\secdrv.exe
                          "C:\Users\Admin\AppData\Roaming\Microsoft\secdrv.exe"
                          11⤵
                          • Executes dropped EXE
                          • System Location Discovery: System Language Discovery
                          PID:624
                        • C:\Users\Admin\AppData\Roaming\Microsoft\AeLookupSvi.exe
                          "C:\Users\Admin\AppData\Roaming\Microsoft\AeLookupSvi.exe"
                          11⤵
                          • Executes dropped EXE
                          • Adds Run key to start application
                          • System Location Discovery: System Language Discovery
                          • Suspicious use of AdjustPrivilegeToken
                          PID:1568
                      • C:\Users\Admin\AppData\Roaming\Microsoft\LookupSvi.exe
                        "C:\Users\Admin\AppData\Roaming\Microsoft\LookupSvi.exe"
                        10⤵
                        • Executes dropped EXE
                        • Adds Run key to start application
                        • System Location Discovery: System Language Discovery
                        • Suspicious use of AdjustPrivilegeToken
                        PID:4276
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 916 -ip 916
      1⤵
        PID:212

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            0a6d88e0e25fc2d08af26da2de847c09c078942b06ce19adc0c06f44f5b3c5f8N.exe.log

            • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\0a6d88e0e25fc2d08af26da2de847c09c078942b06ce19adc0c06f44f5b3c5f8N.exe.log
            • Size 676B
            • SHA256 ff2e05f53cc9b927bed429bb2df53290223b459c49be1bea6b0ef13c52903787
            • MD5 SHA1 SHA512

            LookupSvi.exe.log

            • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\LookupSvi.exe.log
            • Size 128B
            • SHA256 e24033ceec97fd03402b03acaaabd1d1e378e83bb1683afbccac760e00f8ead5
            • MD5 SHA1 SHA512

            AeLookupSvi.exe

            • Path C:\Users\Admin\AppData\Roaming\Microsoft\AeLookupSvi.exe
            • Size 7KB
            • SHA256 ead396edbe63927c734b30f9275e52c4dde8fd3c1e53963cfdafb24f53e9fab4
            • MD5 SHA1 SHA512 SSDEEP

            LookupSvi.exe

            • Path C:\Users\Admin\AppData\Roaming\Microsoft\LookupSvi.exe
            • Size 13KB
            • SHA256 bcf654651c834ff5f885a6ab272d000aa48acea1ebe68ce146c68c863c4736a8
            • MD5 SHA1 SHA512 SSDEEP

            secdrv.exe

            • Path C:\Users\Admin\AppData\Roaming\Microsoft\secdrv.exe
            • Size 1.2MB
            • SHA256 0a6d88e0e25fc2d08af26da2de847c09c078942b06ce19adc0c06f44f5b3c5f8
            • MD5 SHA1 SHA512 SSDEEP

            memory/624-101-0x0000000000400000-0x00000000004EA000-memory.dmp

            memory/916-73-0x0000000000730000-0x000000000080B000-memory.dmp

            memory/916-68-0x0000000000730000-0x000000000080B000-memory.dmp

            memory/1440-8-0x0000000075060000-0x0000000075611000-memory.dmp

            memory/1440-9-0x0000000075060000-0x0000000075611000-memory.dmp

            memory/1440-6-0x0000000075060000-0x0000000075611000-memory.dmp

            memory/1440-16-0x0000000075060000-0x0000000075611000-memory.dmp

            memory/1440-10-0x0000000075060000-0x0000000075611000-memory.dmp

            memory/1440-4-0x0000000000400000-0x0000000000534000-memory.dmp

            memory/2612-42-0x0000000000400000-0x0000000000528000-memory.dmp

            memory/3112-56-0x0000000000400000-0x000000000051A000-memory.dmp

            memory/3640-2-0x0000000075060000-0x0000000075611000-memory.dmp

            memory/3640-3-0x0000000075060000-0x0000000075611000-memory.dmp

            memory/3640-0-0x0000000075062000-0x0000000075063000-memory.dmp

            memory/3640-7-0x0000000075060000-0x0000000075611000-memory.dmp

            memory/3640-1-0x0000000075060000-0x0000000075611000-memory.dmp

            memory/3948-19-0x0000000075060000-0x0000000075611000-memory.dmp

            memory/3948-21-0x0000000075060000-0x0000000075611000-memory.dmp

            memory/3948-40-0x0000000075060000-0x0000000075611000-memory.dmp

            memory/4564-24-0x0000000000400000-0x0000000000500000-memory.dmp

            memory/5060-20-0x0000000075060000-0x0000000075611000-memory.dmp

            memory/5060-17-0x0000000075060000-0x0000000075611000-memory.dmp

            memory/5060-15-0x0000000075060000-0x0000000075611000-memory.dmp

            memory/5060-14-0x0000000075060000-0x0000000075611000-memory.dmp

            memory/5060-13-0x0000000075060000-0x0000000075611000-memory.dmp