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Analysis

  • max time kernel
    144s
  • max time network
    143s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    11/01/2024, 20:08

General

  • Target

    53b233c6c23409aa87d7982565849165.dll

  • Size

    166KB

  • MD5

    53b233c6c23409aa87d7982565849165

  • SHA1

    f3b0d0f6869a017892d7838d60fa9738d648d0e5

  • SHA256

    f2db305bb87e418623361ca81fc600864d14e270f3b23a4a0248b9ada86c1543

  • SHA512

    2f2fa21b020fcc3b9f76b2874c74b0a37cf4c7da96dab5111bc3fa481bd767bcd503a476998fc1d0daf5cb5b2b315124c71486ef33325279670eafd55fdb1ef0

  • SSDEEP

    3072:pTU56gVxj27NevROEuPvisOpkTv7L2GQ6uE:G4wRj+qYvW4uE

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Ramnit

    Ramnit is a versatile family that holds viruses, worms, and Trojans.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 4 IoCs
  • UPX packed file 11 IoCs

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

  • Drops file in System32 directory 3 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 36 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\lsass.exe
    C:\Windows\system32\lsass.exe
    1⤵
      PID:492
    • C:\Windows\system32\services.exe
      C:\Windows\system32\services.exe
      1⤵
        PID:484
        • C:\Windows\System32\svchost.exe
          C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
          2⤵
            PID:752
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k netsvcs
            2⤵
              PID:856
              • C:\Windows\system32\wbem\WMIADAP.EXE
                wmiadap.exe /F /T /R
                3⤵
                  PID:2204
              • C:\Windows\system32\svchost.exe
                C:\Windows\system32\svchost.exe -k NetworkService
                2⤵
                  PID:112
                • C:\Windows\system32\taskhost.exe
                  "taskhost.exe"
                  2⤵
                    PID:1112
                  • C:\Windows\system32\sppsvc.exe
                    C:\Windows\system32\sppsvc.exe
                    2⤵
                      PID:1352
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
                      2⤵
                        PID:2400
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
                        2⤵
                          PID:1068
                        • C:\Windows\System32\spoolsv.exe
                          C:\Windows\System32\spoolsv.exe
                          2⤵
                            PID:356
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k LocalService
                            2⤵
                              PID:964
                            • C:\Windows\System32\svchost.exe
                              C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
                              2⤵
                                PID:816
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k RPCSS
                                2⤵
                                  PID:680
                                • C:\Windows\system32\svchost.exe
                                  C:\Windows\system32\svchost.exe -k DcomLaunch
                                  2⤵
                                    PID:600
                                    • C:\Windows\system32\wbem\wmiprvse.exe
                                      C:\Windows\system32\wbem\wmiprvse.exe -Embedding
                                      3⤵
                                        PID:352
                                  • C:\Windows\system32\winlogon.exe
                                    winlogon.exe
                                    1⤵
                                      PID:436
                                    • 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:400
                                      • C:\Windows\system32\wininit.exe
                                        wininit.exe
                                        1⤵
                                          PID:388
                                          • C:\Windows\system32\lsm.exe
                                            C:\Windows\system32\lsm.exe
                                            2⤵
                                              PID:500
                                          • 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:340
                                            • C:\Windows\System32\smss.exe
                                              \SystemRoot\System32\smss.exe
                                              1⤵
                                                PID:260
                                              • C:\Windows\Explorer.EXE
                                                C:\Windows\Explorer.EXE
                                                1⤵
                                                  PID:1212
                                                  • C:\Windows\system32\regsvr32.exe
                                                    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\53b233c6c23409aa87d7982565849165.dll
                                                    2⤵
                                                    • Suspicious use of WriteProcessMemory
                                                    PID:1708
                                                • C:\Windows\SysWOW64\svchost.exe
                                                  C:\Windows\system32\svchost.exe
                                                  1⤵
                                                  • Modifies WinLogon for persistence
                                                  • Drops file in System32 directory
                                                  • Drops file in Program Files directory
                                                  PID:2768
                                                • C:\Program Files (x86)\Microsoft\WaterMark.exe
                                                  "C:\Program Files (x86)\Microsoft\WaterMark.exe"
                                                  1⤵
                                                  • Executes dropped EXE
                                                  • Suspicious behavior: EnumeratesProcesses
                                                  • Suspicious use of AdjustPrivilegeToken
                                                  • Suspicious use of UnmapMainImage
                                                  • Suspicious use of WriteProcessMemory
                                                  PID:2836
                                                  • C:\Windows\SysWOW64\svchost.exe
                                                    C:\Windows\system32\svchost.exe
                                                    2⤵
                                                    • Suspicious behavior: EnumeratesProcesses
                                                    • Suspicious use of AdjustPrivilegeToken
                                                    • Suspicious use of WriteProcessMemory
                                                    PID:1940
                                                • C:\Windows\SysWOW64\regsvr32mgr.exe
                                                  C:\Windows\SysWOW64\regsvr32mgr.exe
                                                  1⤵
                                                  • Executes dropped EXE
                                                  • Loads dropped DLL
                                                  • Drops file in Program Files directory
                                                  • Suspicious use of UnmapMainImage
                                                  • Suspicious use of WriteProcessMemory
                                                  PID:2800
                                                • C:\Windows\SysWOW64\regsvr32.exe
                                                  /s C:\Users\Admin\AppData\Local\Temp\53b233c6c23409aa87d7982565849165.dll
                                                  1⤵
                                                  • Loads dropped DLL
                                                  • Drops file in System32 directory
                                                  • Suspicious use of WriteProcessMemory
                                                  PID:2388
                                                • C:\Windows\system32\DllHost.exe
                                                  C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                                                  1⤵
                                                    PID:804
                                                  • C:\Windows\system32\Dwm.exe
                                                    "C:\Windows\system32\Dwm.exe"
                                                    1⤵
                                                      PID:1172

                                                    Network

                                                    MITRE ATT&CK Enterprise v15

                                                    Replay Monitor

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                                                    Downloads

                                                    • C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.ecf.core.ssl.feature_1.0.0.v20140827-1444\epl-v10.html

                                                      Filesize

                                                      205KB

                                                      MD5

                                                      4d3e370d376484e440db15c572727547

                                                      SHA1

                                                      7eb5d510bbafea70a31622c5841f26ded309e1d9

                                                      SHA256

                                                      08dd2fd75747dacead8bdfaba1d7925b5fbd7341073853745ad8a8f09bbf23ef

                                                      SHA512

                                                      2dcbe88edca9dc87e822e871074893b68c0959aefa3757bf7ccb5077bdaa88a0bcd4eab32c56d41d7eb18d0809ac53640c87d1cea10a72b784ed219ea87a5873

                                                    • C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.ecf.core.ssl.feature_1.0.0.v20140827-1444\license.html

                                                      Filesize

                                                      202KB

                                                      MD5

                                                      3246f2edfe75ef48829ce761d12031c3

                                                      SHA1

                                                      ed0439e08d78456cd60703f66a3ad39216c60f05

                                                      SHA256

                                                      05130b5bce9176083d775f3ca742a78b43292a96e07c83aeb74d24cfe0395c1b

                                                      SHA512

                                                      0abaf000b564e0e3772c4bd002b5d02f7570fae453260dbeff8cdf2379c51cd9a8882c7c6221d17e5d34673170e0ba0fc3de32bb9db6c6bc7381f4e4af8d423d

                                                    • memory/1940-88-0x0000000020010000-0x000000002001B000-memory.dmp

                                                      Filesize

                                                      44KB

                                                    • memory/1940-86-0x0000000020010000-0x000000002001B000-memory.dmp

                                                      Filesize

                                                      44KB

                                                    • memory/1940-87-0x00000000001A0000-0x00000000001A1000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/1940-90-0x00000000001B0000-0x00000000001B1000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/1940-92-0x00000000778F0000-0x00000000778F1000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/1940-93-0x0000000020010000-0x000000002001B000-memory.dmp

                                                      Filesize

                                                      44KB

                                                    • memory/1940-89-0x0000000020010000-0x000000002001B000-memory.dmp

                                                      Filesize

                                                      44KB

                                                    • memory/1940-72-0x0000000020010000-0x000000002001B000-memory.dmp

                                                      Filesize

                                                      44KB

                                                    • memory/1940-82-0x0000000020010000-0x000000002001B000-memory.dmp

                                                      Filesize

                                                      44KB

                                                    • memory/2388-10-0x00000000001A0000-0x00000000001D5000-memory.dmp

                                                      Filesize

                                                      212KB

                                                    • memory/2388-1-0x0000000074B30000-0x0000000074B5C000-memory.dmp

                                                      Filesize

                                                      176KB

                                                    • memory/2388-4-0x00000000001A0000-0x00000000001D5000-memory.dmp

                                                      Filesize

                                                      212KB

                                                    • memory/2768-53-0x0000000020010000-0x0000000020022000-memory.dmp

                                                      Filesize

                                                      72KB

                                                    • memory/2768-63-0x00000000000E0000-0x00000000000E1000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2768-587-0x0000000020010000-0x0000000020022000-memory.dmp

                                                      Filesize

                                                      72KB

                                                    • memory/2768-40-0x0000000020010000-0x0000000020022000-memory.dmp

                                                      Filesize

                                                      72KB

                                                    • memory/2768-44-0x00000000000C0000-0x00000000000C1000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2768-58-0x0000000020010000-0x0000000020022000-memory.dmp

                                                      Filesize

                                                      72KB

                                                    • memory/2768-64-0x0000000020010000-0x0000000020022000-memory.dmp

                                                      Filesize

                                                      72KB

                                                    • memory/2768-67-0x00000000000D0000-0x00000000000D1000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2768-66-0x00000000000C0000-0x00000000000C1000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2768-65-0x0000000020010000-0x0000000020022000-memory.dmp

                                                      Filesize

                                                      72KB

                                                    • memory/2800-20-0x0000000000400000-0x0000000000421000-memory.dmp

                                                      Filesize

                                                      132KB

                                                    • memory/2800-12-0x0000000000400000-0x0000000000421000-memory.dmp

                                                      Filesize

                                                      132KB

                                                    • memory/2800-21-0x00000000000D0000-0x00000000000D1000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2800-16-0x0000000000400000-0x0000000000421000-memory.dmp

                                                      Filesize

                                                      132KB

                                                    • memory/2800-17-0x0000000000400000-0x0000000000421000-memory.dmp

                                                      Filesize

                                                      132KB

                                                    • memory/2800-15-0x0000000000400000-0x0000000000421000-memory.dmp

                                                      Filesize

                                                      132KB

                                                    • memory/2800-14-0x0000000000400000-0x0000000000421000-memory.dmp

                                                      Filesize

                                                      132KB

                                                    • memory/2800-13-0x0000000000400000-0x0000000000421000-memory.dmp

                                                      Filesize

                                                      132KB

                                                    • memory/2800-11-0x0000000000400000-0x0000000000435000-memory.dmp

                                                      Filesize

                                                      212KB

                                                    • memory/2836-285-0x00000000778F0000-0x00000000778F1000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2836-283-0x0000000000160000-0x0000000000161000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2836-284-0x0000000000060000-0x0000000000061000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2836-45-0x00000000778EF000-0x00000000778F0000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2836-81-0x00000000778EF000-0x00000000778F0000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2836-70-0x0000000000060000-0x0000000000061000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2836-439-0x0000000000400000-0x0000000000421000-memory.dmp

                                                      Filesize

                                                      132KB

                                                    • memory/2836-442-0x0000000000400000-0x0000000000421000-memory.dmp

                                                      Filesize

                                                      132KB

                                                    • memory/2836-38-0x0000000000160000-0x0000000000161000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2836-32-0x0000000000400000-0x0000000000435000-memory.dmp

                                                      Filesize

                                                      212KB

                                                    • memory/2836-43-0x0000000000400000-0x0000000000421000-memory.dmp

                                                      Filesize

                                                      132KB