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Analysis

  • max time kernel
    151s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    11/10/2022, 00:13

General

  • Target

    13619f1852111ddb9f7ab75fd5469c7d34ae7b43e12b6f67624f5fd27dd4c7a8.dll

  • Size

    160KB

  • MD5

    7d2a383d85c560e3598dbc7f0b41bf38

  • SHA1

    6610aca6cb5adfc76895b183540e787ce3ef5725

  • SHA256

    13619f1852111ddb9f7ab75fd5469c7d34ae7b43e12b6f67624f5fd27dd4c7a8

  • SHA512

    ce397605d064d728e78018d5be310982b552bccff7b93cf80e243bb3f1b186f64ccca48bdee093a9329cb39cbacc47b9bd4e617d4337201ec26e52ea5f73e28c

  • SSDEEP

    3072:5ibTTp78CcWfJkicFUQRIpvKQecm8ABDNHX:KT14pU8IpvKQJaDxX

Score
10/10

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Executes dropped EXE 2 IoCs
  • UPX packed file 3 IoCs

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

  • Loads dropped DLL 4 IoCs
  • Drops file in System32 directory 3 IoCs
  • Drops file in Program Files directory 10 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 25 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\csrss.exe
    %SystemRoot%\system32\csrss.exe ObjectDirectory=\Windows SharedSection=1024,20480,768 Windows=On SubSystemType=Windows ServerDll=basesrv,1 ServerDll=winsrv:UserServerDllInitialization,3 ServerDll=winsrv:ConServerDllInitialization,2 ServerDll=sxssrv,4 ProfileControl=Off MaxRequestThreads=16
    1⤵
      PID:380
    • C:\Windows\system32\winlogon.exe
      winlogon.exe
      1⤵
        PID:420
      • C:\Windows\system32\wininit.exe
        wininit.exe
        1⤵
          PID:372
          • C:\Windows\system32\services.exe
            C:\Windows\system32\services.exe
            2⤵
              PID:464
              • C:\Windows\system32\svchost.exe
                C:\Windows\system32\svchost.exe -k DcomLaunch
                3⤵
                  PID:596
                • C:\Windows\system32\sppsvc.exe
                  C:\Windows\system32\sppsvc.exe
                  3⤵
                    PID:1116
                  • C:\Windows\system32\svchost.exe
                    C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
                    3⤵
                      PID:980
                    • C:\Windows\system32\taskhost.exe
                      "taskhost.exe"
                      3⤵
                        PID:1240
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
                        3⤵
                          PID:1060
                        • C:\Windows\System32\spoolsv.exe
                          C:\Windows\System32\spoolsv.exe
                          3⤵
                            PID:540
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k NetworkService
                            3⤵
                              PID:324
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k netsvcs
                              3⤵
                                PID:888
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k LocalService
                                3⤵
                                  PID:856
                                • C:\Windows\System32\svchost.exe
                                  C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
                                  3⤵
                                    PID:820
                                  • C:\Windows\System32\svchost.exe
                                    C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
                                    3⤵
                                      PID:756
                                    • C:\Windows\system32\svchost.exe
                                      C:\Windows\system32\svchost.exe -k RPCSS
                                      3⤵
                                        PID:676
                                    • C:\Windows\system32\lsass.exe
                                      C:\Windows\system32\lsass.exe
                                      2⤵
                                        PID:480
                                      • C:\Windows\system32\lsm.exe
                                        C:\Windows\system32\lsm.exe
                                        2⤵
                                          PID:488
                                      • C:\Windows\system32\csrss.exe
                                        %SystemRoot%\system32\csrss.exe ObjectDirectory=\Windows SharedSection=1024,20480,768 Windows=On SubSystemType=Windows ServerDll=basesrv,1 ServerDll=winsrv:UserServerDllInitialization,3 ServerDll=winsrv:ConServerDllInitialization,2 ServerDll=sxssrv,4 ProfileControl=Off MaxRequestThreads=16
                                        1⤵
                                          PID:336
                                        • C:\Windows\System32\smss.exe
                                          \SystemRoot\System32\smss.exe
                                          1⤵
                                            PID:260
                                          • \\?\C:\Windows\system32\wbem\WMIADAP.EXE
                                            wmiadap.exe /F /T /R
                                            1⤵
                                              PID:1972
                                            • C:\Windows\Explorer.EXE
                                              C:\Windows\Explorer.EXE
                                              1⤵
                                                PID:1396
                                                • C:\Windows\system32\rundll32.exe
                                                  rundll32.exe C:\Users\Admin\AppData\Local\Temp\13619f1852111ddb9f7ab75fd5469c7d34ae7b43e12b6f67624f5fd27dd4c7a8.dll,#1
                                                  2⤵
                                                  • Suspicious use of WriteProcessMemory
                                                  PID:1000
                                                  • C:\Windows\SysWOW64\rundll32.exe
                                                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\13619f1852111ddb9f7ab75fd5469c7d34ae7b43e12b6f67624f5fd27dd4c7a8.dll,#1
                                                    3⤵
                                                    • Loads dropped DLL
                                                    • Drops file in System32 directory
                                                    • Suspicious use of AdjustPrivilegeToken
                                                    • Suspicious use of WriteProcessMemory
                                                    PID:840
                                                    • C:\Windows\SysWOW64\rundll32mgr.exe
                                                      C:\Windows\SysWOW64\rundll32mgr.exe
                                                      4⤵
                                                      • Executes dropped EXE
                                                      • Loads dropped DLL
                                                      • Drops file in Program Files directory
                                                      • Suspicious use of WriteProcessMemory
                                                      PID:2008
                                                      • C:\Program Files (x86)\Microsoft\WaterMark.exe
                                                        "C:\Program Files (x86)\Microsoft\WaterMark.exe"
                                                        5⤵
                                                        • Executes dropped EXE
                                                        • Suspicious behavior: EnumeratesProcesses
                                                        • Suspicious use of AdjustPrivilegeToken
                                                        • Suspicious use of WriteProcessMemory
                                                        PID:1392
                                                        • C:\Windows\SysWOW64\svchost.exe
                                                          C:\Windows\system32\svchost.exe
                                                          6⤵
                                                          • Modifies WinLogon for persistence
                                                          • Drops file in System32 directory
                                                          • Drops file in Program Files directory
                                                          PID:344
                                                        • C:\Windows\SysWOW64\svchost.exe
                                                          C:\Windows\system32\svchost.exe
                                                          6⤵
                                                          • Suspicious behavior: EnumeratesProcesses
                                                          • Suspicious use of AdjustPrivilegeToken
                                                          • Suspicious use of WriteProcessMemory
                                                          PID:776
                                                    • C:\Windows\SysWOW64\WerFault.exe
                                                      C:\Windows\SysWOW64\WerFault.exe -u -p 840 -s 228
                                                      4⤵
                                                      • Program crash
                                                      • Suspicious use of AdjustPrivilegeToken
                                                      PID:1612
                                              • C:\Windows\system32\Dwm.exe
                                                "C:\Windows\system32\Dwm.exe"
                                                1⤵
                                                  PID:1332

                                                Network

                                                MITRE ATT&CK Enterprise v6

                                                Replay Monitor

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                                                Downloads

                                                • C:\Program Files (x86)\Microsoft\WaterMark.exe

                                                  Filesize

                                                  120KB

                                                  MD5

                                                  186a45a9b3189fdb56d59479d6f5fa85

                                                  SHA1

                                                  8be5be86d5aba4b3e6f4af077a25bdc9d1de6610

                                                  SHA256

                                                  bf449f575154998c7449749da4175c377aa6f617f82effc079c85dd5e7df8743

                                                  SHA512

                                                  bcfa06d1084d889cd3b5b3f5f5941af1e0fcdec850213a00bba709545b8f20b1acdbd480b5bc038e5010fce3f4a8ce972a6cc1e00a5012921cdc6b663daac0b7

                                                • C:\Program Files (x86)\Microsoft\WaterMark.exe

                                                  Filesize

                                                  120KB

                                                  MD5

                                                  186a45a9b3189fdb56d59479d6f5fa85

                                                  SHA1

                                                  8be5be86d5aba4b3e6f4af077a25bdc9d1de6610

                                                  SHA256

                                                  bf449f575154998c7449749da4175c377aa6f617f82effc079c85dd5e7df8743

                                                  SHA512

                                                  bcfa06d1084d889cd3b5b3f5f5941af1e0fcdec850213a00bba709545b8f20b1acdbd480b5bc038e5010fce3f4a8ce972a6cc1e00a5012921cdc6b663daac0b7

                                                • C:\Windows\SysWOW64\rundll32mgr.exe

                                                  Filesize

                                                  120KB

                                                  MD5

                                                  186a45a9b3189fdb56d59479d6f5fa85

                                                  SHA1

                                                  8be5be86d5aba4b3e6f4af077a25bdc9d1de6610

                                                  SHA256

                                                  bf449f575154998c7449749da4175c377aa6f617f82effc079c85dd5e7df8743

                                                  SHA512

                                                  bcfa06d1084d889cd3b5b3f5f5941af1e0fcdec850213a00bba709545b8f20b1acdbd480b5bc038e5010fce3f4a8ce972a6cc1e00a5012921cdc6b663daac0b7

                                                • C:\Windows\SysWOW64\rundll32mgr.exe

                                                  Filesize

                                                  120KB

                                                  MD5

                                                  186a45a9b3189fdb56d59479d6f5fa85

                                                  SHA1

                                                  8be5be86d5aba4b3e6f4af077a25bdc9d1de6610

                                                  SHA256

                                                  bf449f575154998c7449749da4175c377aa6f617f82effc079c85dd5e7df8743

                                                  SHA512

                                                  bcfa06d1084d889cd3b5b3f5f5941af1e0fcdec850213a00bba709545b8f20b1acdbd480b5bc038e5010fce3f4a8ce972a6cc1e00a5012921cdc6b663daac0b7

                                                • \Program Files (x86)\Microsoft\WaterMark.exe

                                                  Filesize

                                                  120KB

                                                  MD5

                                                  186a45a9b3189fdb56d59479d6f5fa85

                                                  SHA1

                                                  8be5be86d5aba4b3e6f4af077a25bdc9d1de6610

                                                  SHA256

                                                  bf449f575154998c7449749da4175c377aa6f617f82effc079c85dd5e7df8743

                                                  SHA512

                                                  bcfa06d1084d889cd3b5b3f5f5941af1e0fcdec850213a00bba709545b8f20b1acdbd480b5bc038e5010fce3f4a8ce972a6cc1e00a5012921cdc6b663daac0b7

                                                • \Program Files (x86)\Microsoft\WaterMark.exe

                                                  Filesize

                                                  120KB

                                                  MD5

                                                  186a45a9b3189fdb56d59479d6f5fa85

                                                  SHA1

                                                  8be5be86d5aba4b3e6f4af077a25bdc9d1de6610

                                                  SHA256

                                                  bf449f575154998c7449749da4175c377aa6f617f82effc079c85dd5e7df8743

                                                  SHA512

                                                  bcfa06d1084d889cd3b5b3f5f5941af1e0fcdec850213a00bba709545b8f20b1acdbd480b5bc038e5010fce3f4a8ce972a6cc1e00a5012921cdc6b663daac0b7

                                                • \Windows\SysWOW64\rundll32mgr.exe

                                                  Filesize

                                                  120KB

                                                  MD5

                                                  186a45a9b3189fdb56d59479d6f5fa85

                                                  SHA1

                                                  8be5be86d5aba4b3e6f4af077a25bdc9d1de6610

                                                  SHA256

                                                  bf449f575154998c7449749da4175c377aa6f617f82effc079c85dd5e7df8743

                                                  SHA512

                                                  bcfa06d1084d889cd3b5b3f5f5941af1e0fcdec850213a00bba709545b8f20b1acdbd480b5bc038e5010fce3f4a8ce972a6cc1e00a5012921cdc6b663daac0b7

                                                • \Windows\SysWOW64\rundll32mgr.exe

                                                  Filesize

                                                  120KB

                                                  MD5

                                                  186a45a9b3189fdb56d59479d6f5fa85

                                                  SHA1

                                                  8be5be86d5aba4b3e6f4af077a25bdc9d1de6610

                                                  SHA256

                                                  bf449f575154998c7449749da4175c377aa6f617f82effc079c85dd5e7df8743

                                                  SHA512

                                                  bcfa06d1084d889cd3b5b3f5f5941af1e0fcdec850213a00bba709545b8f20b1acdbd480b5bc038e5010fce3f4a8ce972a6cc1e00a5012921cdc6b663daac0b7

                                                • memory/344-83-0x0000000020010000-0x0000000020022000-memory.dmp

                                                  Filesize

                                                  72KB

                                                • memory/344-208-0x0000000020010000-0x0000000020022000-memory.dmp

                                                  Filesize

                                                  72KB

                                                • memory/344-74-0x0000000020010000-0x0000000020022000-memory.dmp

                                                  Filesize

                                                  72KB

                                                • memory/344-70-0x0000000020010000-0x0000000020022000-memory.dmp

                                                  Filesize

                                                  72KB

                                                • memory/776-88-0x0000000020010000-0x000000002001B000-memory.dmp

                                                  Filesize

                                                  44KB

                                                • memory/776-85-0x0000000020010000-0x000000002001B000-memory.dmp

                                                  Filesize

                                                  44KB

                                                • memory/840-55-0x0000000076561000-0x0000000076563000-memory.dmp

                                                  Filesize

                                                  8KB

                                                • memory/840-80-0x0000000000180000-0x00000000001A6000-memory.dmp

                                                  Filesize

                                                  152KB

                                                • memory/840-78-0x000000006D080000-0x000000006D0A8000-memory.dmp

                                                  Filesize

                                                  160KB

                                                • memory/840-79-0x0000000000180000-0x00000000001A6000-memory.dmp

                                                  Filesize

                                                  152KB

                                                • memory/840-207-0x0000000000180000-0x00000000001A6000-memory.dmp

                                                  Filesize

                                                  152KB

                                                • memory/1392-81-0x0000000000400000-0x0000000000426000-memory.dmp

                                                  Filesize

                                                  152KB

                                                • memory/1392-82-0x00000000001B0000-0x00000000001D6000-memory.dmp

                                                  Filesize

                                                  152KB

                                                • memory/1392-206-0x0000000000400000-0x0000000000426000-memory.dmp

                                                  Filesize

                                                  152KB

                                                • memory/2008-67-0x0000000000220000-0x0000000000246000-memory.dmp

                                                  Filesize

                                                  152KB

                                                • memory/2008-66-0x0000000000400000-0x0000000000426000-memory.dmp

                                                  Filesize

                                                  152KB