Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-11-2022 01:11

General

  • Target

    8548fbd28728ccded1cf33d0f31835111471716ce9dcb77af926a56e59924aaf.exe

  • Size

    272KB

  • MD5

    15baf936ad283c5b3075acca81b2d8c0

  • SHA1

    ac2a303b5206d85049e05546e7917a8b62c66d75

  • SHA256

    8548fbd28728ccded1cf33d0f31835111471716ce9dcb77af926a56e59924aaf

  • SHA512

    96f7aed1fa623d60ae1d5191b6d3810aa6ba8dc789ea79ee3d72a6a2ecfddaf633e6b6703125fffe5d63dcd95328e9496c240385e2470c2041187396699227ae

  • SSDEEP

    6144:KD3vjxbG3rR1qxwzcP2vrcff/KBAOROq952w:KD9bG3rexwz5vrcffiBTB52w

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 5 IoCs

    Detects file using ACProtect software.

  • Executes dropped EXE 5 IoCs
  • Sets file execution options in registry 2 TTPs 3 IoCs
  • UPX packed file 20 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Checks computer location settings 2 TTPs 3 IoCs

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

  • Loads dropped DLL 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks for any installed AV software in registry 1 TTPs 3 IoCs
  • Checks whether UAC is enabled 1 TTPs 4 IoCs
  • Enumerates connected drives 3 TTPs 2 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops autorun.inf file 1 TTPs 7 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in System32 directory 23 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 64 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: LoadsDriver 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 17 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8548fbd28728ccded1cf33d0f31835111471716ce9dcb77af926a56e59924aaf.exe
    "C:\Users\Admin\AppData\Local\Temp\8548fbd28728ccded1cf33d0f31835111471716ce9dcb77af926a56e59924aaf.exe"
    1⤵
    • Sets file execution options in registry
    • Checks computer location settings
    • Adds Run key to start application
    • Checks for any installed AV software in registry
    • Checks whether UAC is enabled
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1884
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c echo ok
      2⤵
        PID:3284
      • C:\Windows\SysWOW64\cacls.exe
        "C:\Windows\System32\cacls.exe" C:\Windows\system32\com /e /t /g Admin:F
        2⤵
          PID:4220
        • C:\Windows\SysWOW64\cacls.exe
          "C:\Windows\System32\cacls.exe" C:\Windows\system32\com /e /t /g Everyone:F
          2⤵
            PID:2408
          • \??\c:\users\admin\appdata\local\temp\8548fbd28728ccded1cf33d0f31835111471716ce9dcb77af926a56e59924aaf.exe.log
            "c:\users\admin\appdata\local\temp\8548fbd28728ccded1cf33d0f31835111471716ce9dcb77af926a56e59924aaf.exe.log"
            2⤵
            • Executes dropped EXE
            • Sets file execution options in registry
            • Checks computer location settings
            • Checks for any installed AV software in registry
            • Checks whether UAC is enabled
            • Drops file in System32 directory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:4604
            • C:\Windows\SysWOW64\cmd.exe
              cmd.exe /c echo ok
              3⤵
                PID:1732
              • C:\Windows\SysWOW64\cacls.exe
                "C:\Windows\System32\cacls.exe" C:\Windows\system32\com /e /t /g Admin:F
                3⤵
                  PID:4924
                • C:\Windows\SysWOW64\cacls.exe
                  "C:\Windows\System32\cacls.exe" C:\Windows\system32\com /e /t /g Everyone:F
                  3⤵
                    PID:4980
                  • C:\Windows\SysWOW64\cacls.exe
                    "C:\Windows\System32\cacls.exe" C:\Windows\system32\com\smss.exe /e /t /g Admin:F
                    3⤵
                      PID:1444
                    • C:\Windows\SysWOW64\cacls.exe
                      "C:\Windows\System32\cacls.exe" C:\Windows\system32\com\smss.exe /e /t /g Everyone:F
                      3⤵
                        PID:3036
                      • C:\Windows\SysWOW64\cmd.exe
                        cmd.exe /c rd /s /q "C:\Windows\system32\com\smss.exe"
                        3⤵
                          PID:4528
                        • C:\Windows\SysWOW64\cmd.exe
                          cmd.exe /c del /F /Q "C:\Windows\system32\com\lsass.exe"
                          3⤵
                            PID:4696
                          • C:\Windows\SysWOW64\com\lsass.exe
                            "C:\Windows\system32\com\lsass.exe"
                            3⤵
                            • Executes dropped EXE
                            • Sets file execution options in registry
                            • Checks computer location settings
                            • Loads dropped DLL
                            • Checks for any installed AV software in registry
                            • Checks whether UAC is enabled
                            • Enumerates connected drives
                            • Drops autorun.inf file
                            • Drops file in System32 directory
                            • Suspicious behavior: EnumeratesProcesses
                            • Suspicious use of AdjustPrivilegeToken
                            • Suspicious use of SetWindowsHookEx
                            • Suspicious use of WriteProcessMemory
                            PID:1808
                            • C:\Windows\SysWOW64\cmd.exe
                              cmd.exe /c echo ok
                              4⤵
                                PID:4592
                              • C:\Windows\SysWOW64\cacls.exe
                                "C:\Windows\System32\cacls.exe" C:\Windows\system32\com /e /t /g Admin:F
                                4⤵
                                  PID:312
                                • C:\Windows\SysWOW64\cacls.exe
                                  "C:\Windows\System32\cacls.exe" C:\Windows\system32\com /e /t /g Everyone:F
                                  4⤵
                                    PID:1512
                                  • C:\Windows\SysWOW64\cacls.exe
                                    "C:\Windows\System32\cacls.exe" C:\Windows\system32\com\lsass.exe /e /t /g Admin:F
                                    4⤵
                                      PID:4180
                                    • C:\Windows\SysWOW64\cacls.exe
                                      "C:\Windows\System32\cacls.exe" C:\Windows\system32\com\lsass.exe /e /t /g Everyone:F
                                      4⤵
                                        PID:4140
                                      • C:\Windows\SysWOW64\cacls.exe
                                        "C:\Windows\System32\cacls.exe" C:\Windows\system32\com\smss.exe /e /t /g Admin:F
                                        4⤵
                                          PID:316
                                        • C:\Windows\SysWOW64\cacls.exe
                                          "C:\Windows\System32\cacls.exe" C:\Windows\system32\com\smss.exe /e /t /g Everyone:F
                                          4⤵
                                            PID:1508
                                          • C:\Windows\SysWOW64\cmd.exe
                                            cmd.exe /c rd /s /q "C:\Windows\system32\com\smss.exe"
                                            4⤵
                                              PID:2412
                                            • C:\Windows\SysWOW64\cmd.exe
                                              cmd.exe /c rd /s /q "C:\Windows\system32\com\lsass.exe"
                                              4⤵
                                                PID:1348
                                              • C:\Windows\SysWOW64\regsvr32.exe
                                                "C:\Windows\System32\regsvr32.exe" C:\Windows\system32\com\netcfg.dll /s
                                                4⤵
                                                • Loads dropped DLL
                                                • Modifies registry class
                                                PID:4316
                                              • C:\Windows\SysWOW64\com\smss.exe
                                                C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\~.exe
                                                4⤵
                                                • Executes dropped EXE
                                                • Loads dropped DLL
                                                PID:5036
                                              • C:\Windows\SysWOW64\cmd.exe
                                                cmd.exe /c rd /s /q "C:\Windows\system32\dnsq.dll"
                                                4⤵
                                                  PID:3728
                                                • C:\Windows\SysWOW64\cmd.exe
                                                  cmd.exe /c rd /s /q "C:\Windows\system32\com\bak"
                                                  4⤵
                                                    PID:2404
                                                  • C:\Windows\SysWOW64\ping.exe
                                                    ping.exe -f -n 1 www.baidu.com
                                                    4⤵
                                                    • Runs ping.exe
                                                    PID:2324
                                                • C:\Users\Admin\appdata\local\temp\8548fbd28728ccded1cf33d0f31835111471716ce9dcb77af926a56e59924aaf.exe
                                                  "C:\Users\Admin\appdata\local\temp\8548fbd28728ccded1cf33d0f31835111471716ce9dcb77af926a56e59924aaf.exe"
                                                  3⤵
                                                  • Executes dropped EXE
                                                  PID:4196
                                                • C:\Windows\SysWOW64\com\lsass.exe
                                                  ^c:\users\admin\appdata\local\temp\8548fbd28728ccded1cf33d0f31835111471716ce9dcb77af926a56e59924aaf.exe.log
                                                  3⤵
                                                  • Executes dropped EXE
                                                  • Checks whether UAC is enabled
                                                  • Suspicious use of SetWindowsHookEx
                                                  PID:5056

                                            Network

                                            MITRE ATT&CK Matrix ATT&CK v6

                                            Initial Access

                                            Replication Through Removable Media

                                            1
                                            T1091

                                            Persistence

                                            Registry Run Keys / Startup Folder

                                            2
                                            T1060

                                            Defense Evasion

                                            Modify Registry

                                            2
                                            T1112

                                            Discovery

                                            Query Registry

                                            2
                                            T1012

                                            System Information Discovery

                                            4
                                            T1082

                                            Security Software Discovery

                                            1
                                            T1063

                                            Peripheral Device Discovery

                                            1
                                            T1120

                                            Remote System Discovery

                                            1
                                            T1018

                                            Lateral Movement

                                            Replication Through Removable Media

                                            1
                                            T1091

                                            Replay Monitor

                                            Loading Replay Monitor...

                                            Downloads

                                            • C:\Users\Admin\AppData\Local\Temp\8548fbd28728ccded1cf33d0f31835111471716ce9dcb77af926a56e59924aaf.exe
                                              Filesize

                                              88KB

                                              MD5

                                              cf2ffd93807eb73965d5a4f438260658

                                              SHA1

                                              114c7ff564ea417493604c1c03b5d414308c54f7

                                              SHA256

                                              28957191fc57c5aba81e89989bf48f86a57e8df3f966eea0d96b5bf7b7b163e8

                                              SHA512

                                              5c691c8003050dd9385dfbdb9b5556003ee05915fc0e87e08d55e95362f9c7a1429a0ad3ec70fb333c4647d5d02b8cb1797156e3939843073a0554b745f8efa4

                                            • C:\Users\Admin\AppData\Local\Temp\8548fbd28728ccded1cf33d0f31835111471716ce9dcb77af926a56e59924aaf.exe.log
                                              Filesize

                                              272KB

                                              MD5

                                              15baf936ad283c5b3075acca81b2d8c0

                                              SHA1

                                              ac2a303b5206d85049e05546e7917a8b62c66d75

                                              SHA256

                                              8548fbd28728ccded1cf33d0f31835111471716ce9dcb77af926a56e59924aaf

                                              SHA512

                                              96f7aed1fa623d60ae1d5191b6d3810aa6ba8dc789ea79ee3d72a6a2ecfddaf633e6b6703125fffe5d63dcd95328e9496c240385e2470c2041187396699227ae

                                            • C:\Windows\SysWOW64\Com\lsass.exe
                                              Filesize

                                              92KB

                                              MD5

                                              dc67758a5be75ce168a118b4982b3dbe

                                              SHA1

                                              cfe27b21c63e73d46cc8e4ef4f91812ce4a79d36

                                              SHA256

                                              1aac5652d94e369a50c9c502380350eaf2770d3779f932e5dba807942e29a0ff

                                              SHA512

                                              ba82562f35e9105b63c8fb805bb9706f0864633461f05c475a9d1893ddf08bfe153b0c3a712553ba39c9011f49f2a0ced54f4e2e901739afebad1b4665ddd917

                                            • C:\Windows\SysWOW64\Com\lsass.exe
                                              Filesize

                                              92KB

                                              MD5

                                              dc67758a5be75ce168a118b4982b3dbe

                                              SHA1

                                              cfe27b21c63e73d46cc8e4ef4f91812ce4a79d36

                                              SHA256

                                              1aac5652d94e369a50c9c502380350eaf2770d3779f932e5dba807942e29a0ff

                                              SHA512

                                              ba82562f35e9105b63c8fb805bb9706f0864633461f05c475a9d1893ddf08bfe153b0c3a712553ba39c9011f49f2a0ced54f4e2e901739afebad1b4665ddd917

                                            • C:\Windows\SysWOW64\Com\netcfg.dll
                                              Filesize

                                              16KB

                                              MD5

                                              d1f6b9273cbb2e23aeed11346d0072c5

                                              SHA1

                                              0d012a7c7b37082dcbd5e1688f72eeade705f825

                                              SHA256

                                              dfb2d7cdc6ea056948d09fe139255af2dcc58f3581f4a50f4e5ee0f5a03c39fc

                                              SHA512

                                              4c3ab878131ad38a54d04cf0d268430ab98a67df474a18ee7858c62561d90ec14c34ed63dd973fdf24115ebf17ef65a6a9fc9ac612c247903e881e584dc3b77e

                                            • C:\Windows\SysWOW64\Com\smss.exe
                                              Filesize

                                              40KB

                                              MD5

                                              ae1cd1d740c265b7f18f827f9e37afab

                                              SHA1

                                              6b976bc56e4021e7237b3cd4dbe412b6949fb0a0

                                              SHA256

                                              a961e4f09ebcf11e1e384361d20d4ac031b3c159b9e6d50e3b4612102bef2a11

                                              SHA512

                                              c8f973cbece698f0701171be501c5c24fb77345c05c136ba992b97f74b81c0487e4039c5bb9b43176cc3815e8f2181377811a8a4d8fb08f741fa304767b50571

                                            • C:\Windows\SysWOW64\com\lsass.exe
                                              Filesize

                                              92KB

                                              MD5

                                              dc67758a5be75ce168a118b4982b3dbe

                                              SHA1

                                              cfe27b21c63e73d46cc8e4ef4f91812ce4a79d36

                                              SHA256

                                              1aac5652d94e369a50c9c502380350eaf2770d3779f932e5dba807942e29a0ff

                                              SHA512

                                              ba82562f35e9105b63c8fb805bb9706f0864633461f05c475a9d1893ddf08bfe153b0c3a712553ba39c9011f49f2a0ced54f4e2e901739afebad1b4665ddd917

                                            • C:\Windows\SysWOW64\com\netcfg.dll
                                              Filesize

                                              16KB

                                              MD5

                                              d1f6b9273cbb2e23aeed11346d0072c5

                                              SHA1

                                              0d012a7c7b37082dcbd5e1688f72eeade705f825

                                              SHA256

                                              dfb2d7cdc6ea056948d09fe139255af2dcc58f3581f4a50f4e5ee0f5a03c39fc

                                              SHA512

                                              4c3ab878131ad38a54d04cf0d268430ab98a67df474a18ee7858c62561d90ec14c34ed63dd973fdf24115ebf17ef65a6a9fc9ac612c247903e881e584dc3b77e

                                            • C:\Windows\SysWOW64\com\smss.exe
                                              Filesize

                                              40KB

                                              MD5

                                              ae1cd1d740c265b7f18f827f9e37afab

                                              SHA1

                                              6b976bc56e4021e7237b3cd4dbe412b6949fb0a0

                                              SHA256

                                              a961e4f09ebcf11e1e384361d20d4ac031b3c159b9e6d50e3b4612102bef2a11

                                              SHA512

                                              c8f973cbece698f0701171be501c5c24fb77345c05c136ba992b97f74b81c0487e4039c5bb9b43176cc3815e8f2181377811a8a4d8fb08f741fa304767b50571

                                            • C:\Windows\SysWOW64\com\smss.exe
                                              Filesize

                                              40KB

                                              MD5

                                              ae1cd1d740c265b7f18f827f9e37afab

                                              SHA1

                                              6b976bc56e4021e7237b3cd4dbe412b6949fb0a0

                                              SHA256

                                              a961e4f09ebcf11e1e384361d20d4ac031b3c159b9e6d50e3b4612102bef2a11

                                              SHA512

                                              c8f973cbece698f0701171be501c5c24fb77345c05c136ba992b97f74b81c0487e4039c5bb9b43176cc3815e8f2181377811a8a4d8fb08f741fa304767b50571

                                            • C:\Windows\SysWOW64\com\smss.exe
                                              Filesize

                                              40KB

                                              MD5

                                              ae1cd1d740c265b7f18f827f9e37afab

                                              SHA1

                                              6b976bc56e4021e7237b3cd4dbe412b6949fb0a0

                                              SHA256

                                              a961e4f09ebcf11e1e384361d20d4ac031b3c159b9e6d50e3b4612102bef2a11

                                              SHA512

                                              c8f973cbece698f0701171be501c5c24fb77345c05c136ba992b97f74b81c0487e4039c5bb9b43176cc3815e8f2181377811a8a4d8fb08f741fa304767b50571

                                            • C:\Windows\SysWOW64\dnsq.dll
                                              Filesize

                                              31KB

                                              MD5

                                              f515bd3278588b6d58a316d059e2778f

                                              SHA1

                                              ae8d987f33930d305b9d60685549dcabefa8e932

                                              SHA256

                                              5c8d02e0398882cb177fe91068fb31cf28fa401c7c060692ca2fda86479f9310

                                              SHA512

                                              688227aa4355cc7c156327992ae855b2aae294f12bb786bc71fb30690af3f46ad32ae360f004b899a575d833636b0c546005c85313c325e1893e5e67c9d1121c

                                            • C:\Windows\SysWOW64\dnsq.dll
                                              Filesize

                                              31KB

                                              MD5

                                              f515bd3278588b6d58a316d059e2778f

                                              SHA1

                                              ae8d987f33930d305b9d60685549dcabefa8e932

                                              SHA256

                                              5c8d02e0398882cb177fe91068fb31cf28fa401c7c060692ca2fda86479f9310

                                              SHA512

                                              688227aa4355cc7c156327992ae855b2aae294f12bb786bc71fb30690af3f46ad32ae360f004b899a575d833636b0c546005c85313c325e1893e5e67c9d1121c

                                            • C:\Windows\SysWOW64\dnsq.dll
                                              Filesize

                                              31KB

                                              MD5

                                              f515bd3278588b6d58a316d059e2778f

                                              SHA1

                                              ae8d987f33930d305b9d60685549dcabefa8e932

                                              SHA256

                                              5c8d02e0398882cb177fe91068fb31cf28fa401c7c060692ca2fda86479f9310

                                              SHA512

                                              688227aa4355cc7c156327992ae855b2aae294f12bb786bc71fb30690af3f46ad32ae360f004b899a575d833636b0c546005c85313c325e1893e5e67c9d1121c

                                            • \??\c:\users\admin\appdata\local\temp\8548fbd28728ccded1cf33d0f31835111471716ce9dcb77af926a56e59924aaf.exe.log
                                              Filesize

                                              272KB

                                              MD5

                                              15baf936ad283c5b3075acca81b2d8c0

                                              SHA1

                                              ac2a303b5206d85049e05546e7917a8b62c66d75

                                              SHA256

                                              8548fbd28728ccded1cf33d0f31835111471716ce9dcb77af926a56e59924aaf

                                              SHA512

                                              96f7aed1fa623d60ae1d5191b6d3810aa6ba8dc789ea79ee3d72a6a2ecfddaf633e6b6703125fffe5d63dcd95328e9496c240385e2470c2041187396699227ae

                                            • memory/312-161-0x0000000000000000-mapping.dmp
                                            • memory/316-165-0x0000000000000000-mapping.dmp
                                            • memory/1348-169-0x0000000000000000-mapping.dmp
                                            • memory/1444-144-0x0000000000000000-mapping.dmp
                                            • memory/1508-166-0x0000000000000000-mapping.dmp
                                            • memory/1512-162-0x0000000000000000-mapping.dmp
                                            • memory/1732-141-0x0000000000000000-mapping.dmp
                                            • memory/1808-183-0x0000000000400000-0x000000000042C000-memory.dmp
                                              Filesize

                                              176KB

                                            • memory/1808-158-0x0000000000400000-0x000000000042C000-memory.dmp
                                              Filesize

                                              176KB

                                            • memory/1808-179-0x0000000010000000-0x0000000010019000-memory.dmp
                                              Filesize

                                              100KB

                                            • memory/1808-149-0x0000000000000000-mapping.dmp
                                            • memory/1884-132-0x0000000000400000-0x000000000042C000-memory.dmp
                                              Filesize

                                              176KB

                                            • memory/1884-139-0x0000000000400000-0x000000000042C000-memory.dmp
                                              Filesize

                                              176KB

                                            • memory/2324-184-0x0000000000000000-mapping.dmp
                                            • memory/2404-182-0x0000000000000000-mapping.dmp
                                            • memory/2408-135-0x0000000000000000-mapping.dmp
                                            • memory/2412-167-0x0000000000000000-mapping.dmp
                                            • memory/3036-145-0x0000000000000000-mapping.dmp
                                            • memory/3284-133-0x0000000000000000-mapping.dmp
                                            • memory/3728-181-0x0000000000000000-mapping.dmp
                                            • memory/4140-164-0x0000000000000000-mapping.dmp
                                            • memory/4180-163-0x0000000000000000-mapping.dmp
                                            • memory/4196-152-0x0000000000000000-mapping.dmp
                                            • memory/4220-134-0x0000000000000000-mapping.dmp
                                            • memory/4316-170-0x0000000000000000-mapping.dmp
                                            • memory/4528-146-0x0000000000000000-mapping.dmp
                                            • memory/4592-157-0x0000000000000000-mapping.dmp
                                            • memory/4604-136-0x0000000000000000-mapping.dmp
                                            • memory/4604-140-0x0000000000400000-0x000000000042C000-memory.dmp
                                              Filesize

                                              176KB

                                            • memory/4604-156-0x0000000000400000-0x000000000042C000-memory.dmp
                                              Filesize

                                              176KB

                                            • memory/4696-148-0x0000000000000000-mapping.dmp
                                            • memory/4924-142-0x0000000000000000-mapping.dmp
                                            • memory/4980-143-0x0000000000000000-mapping.dmp
                                            • memory/5036-172-0x0000000000000000-mapping.dmp
                                            • memory/5036-180-0x0000000010000000-0x0000000010019000-memory.dmp
                                              Filesize

                                              100KB

                                            • memory/5056-154-0x0000000000000000-mapping.dmp
                                            • memory/5056-159-0x0000000000400000-0x000000000042C000-memory.dmp
                                              Filesize

                                              176KB

                                            • memory/5056-160-0x0000000000400000-0x000000000042C000-memory.dmp
                                              Filesize

                                              176KB