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

  • MD5

    0aaaf1668decb824d75242df795ee7b0

  • SHA1

    df803cfda6898ce64d5a5d498875c324b1b17f2e

  • SHA256

    0a6d88e0e25fc2d08af26da2de847c09c078942b06ce19adc0c06f44f5b3c5f8

  • SHA512

    2b746820c3cb54cd3978c2596f64db59d451481ec93dc6c454590f67902487ec691a76fb6b5c93b0945e3a4c02277004cd08cadc45b338674f67f64794bf8d34

  • SSDEEP

    24576:Rj/ZAILiXtDtrn+LCHVYmpRqQYAe9GIdUfd40Qb4B/cWy52:RT+gibn++HV3pcQY7bdU1Qu/BM2

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

      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\0a6d88e0e25fc2d08af26da2de847c09c078942b06ce19adc0c06f44f5b3c5f8N.exe.log

        Filesize

        676B

        MD5

        3bc2150211e33cd343b025da5a9b1457

        SHA1

        a180ee6e62a496a226590390651a1d3708c7b89c

        SHA256

        ff2e05f53cc9b927bed429bb2df53290223b459c49be1bea6b0ef13c52903787

        SHA512

        e192903a8d0855203615c2ddd60c45c791492327fcd8a025e1dd1744cc2a526a4e90b8619e19b170f3ed808f3cbe4c839dc86fc70d97c5b0fb86ea529b78442c

      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\LookupSvi.exe.log

        Filesize

        128B

        MD5

        a5dcc7c9c08af7dddd82be5b036a4416

        SHA1

        4f998ca1526d199e355ffb435bae111a2779b994

        SHA256

        e24033ceec97fd03402b03acaaabd1d1e378e83bb1683afbccac760e00f8ead5

        SHA512

        56035de734836c0c39f0b48641c51c26adb6e79c6c65e23ca96603f71c95b8673e2ef853146e87efc899dd1878d0bbc2c82d91fbf0fce81c552048e986f9bb5a

      • C:\Users\Admin\AppData\Roaming\Microsoft\AeLookupSvi.exe

        Filesize

        7KB

        MD5

        54b446b04c83570cc974ed428b416a63

        SHA1

        f6e9eb6319a45d381baef998ce45e50f247cbc7d

        SHA256

        ead396edbe63927c734b30f9275e52c4dde8fd3c1e53963cfdafb24f53e9fab4

        SHA512

        0d0129553c623c107d70d756c1d023f8f4463cd6d6517639e5ca2c79944285cfd23dffe98a3ca6c12b9d33501830de05c599d89d12a3ae5514ddd6c18b28e939

      • C:\Users\Admin\AppData\Roaming\Microsoft\LookupSvi.exe

        Filesize

        13KB

        MD5

        cf7e259dd0225ae86a29f5952bcb5b4d

        SHA1

        4c6b2363a754bcaa07edeee5b4837b464cfb5d5c

        SHA256

        bcf654651c834ff5f885a6ab272d000aa48acea1ebe68ce146c68c863c4736a8

        SHA512

        91c469f7b4d3c95177ccb013e3c16fe61fffa1fd631857f44bb335382b6c0c80d8bb178e72140178716312f49efbee45ccbe3467a01099561ab3ddf33b412b3a

      • C:\Users\Admin\AppData\Roaming\Microsoft\secdrv.exe

        Filesize

        1.2MB

        MD5

        0aaaf1668decb824d75242df795ee7b0

        SHA1

        df803cfda6898ce64d5a5d498875c324b1b17f2e

        SHA256

        0a6d88e0e25fc2d08af26da2de847c09c078942b06ce19adc0c06f44f5b3c5f8

        SHA512

        2b746820c3cb54cd3978c2596f64db59d451481ec93dc6c454590f67902487ec691a76fb6b5c93b0945e3a4c02277004cd08cadc45b338674f67f64794bf8d34

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

        Filesize

        936KB

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

        Filesize

        876KB

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

        Filesize

        876KB

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

        Filesize

        5.7MB

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

        Filesize

        5.7MB

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

        Filesize

        5.7MB

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

        Filesize

        5.7MB

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

        Filesize

        5.7MB

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

        Filesize

        1.2MB

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

        Filesize

        1.2MB

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

        Filesize

        1.1MB

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

        Filesize

        5.7MB

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

        Filesize

        5.7MB

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

        Filesize

        4KB

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

        Filesize

        5.7MB

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

        Filesize

        5.7MB

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

        Filesize

        5.7MB

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

        Filesize

        5.7MB

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

        Filesize

        5.7MB

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

        Filesize

        1024KB

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

        Filesize

        5.7MB

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

        Filesize

        5.7MB

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

        Filesize

        5.7MB

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

        Filesize

        5.7MB

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

        Filesize

        5.7MB