Analysis

  • max time kernel
    177s
  • max time network
    156s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 18:48

General

  • Target

    cf08a5909b3db8517fbd154d29d88f624f29c277ca282363ad2e4371a076993c.exe

  • Size

    241KB

  • MD5

    432e72f8c7c3a6c3fe08bc37c7d05eb1

  • SHA1

    37fe5b4a590d5634b9c426688c014226eccbce4f

  • SHA256

    cf08a5909b3db8517fbd154d29d88f624f29c277ca282363ad2e4371a076993c

  • SHA512

    21e4f8ad5946c4d4817a8d81db919bba7721c547fb06435f0dda8223a26e854666bfedcfd978e80e9ec8c0c4d92bc600822e94e81d03ef6c2a2451062d3608c1

  • SSDEEP

    3072:ynxwgxgfR/DVG7wBpEu/olCccw+Um4i1APz/S1vKic2GL2jAnEAfuGSlyrYI:y+xDVG0Bpvccus187aKXfdSuR

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 3 IoCs
  • UPX packed file 9 IoCs

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

  • Loads dropped DLL 6 IoCs
  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 12 IoCs
  • Suspicious behavior: EnumeratesProcesses 33 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of UnmapMainImage 4 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\lsass.exe
    C:\Windows\system32\lsass.exe
    1⤵
      PID:480
    • C:\Windows\system32\services.exe
      C:\Windows\system32\services.exe
      1⤵
        PID:464
        • C:\Windows\system32\svchost.exe
          C:\Windows\system32\svchost.exe -k DcomLaunch
          2⤵
            PID:584
          • C:\Windows\system32\sppsvc.exe
            C:\Windows\system32\sppsvc.exe
            2⤵
              PID:1680
            • C:\Windows\system32\svchost.exe
              C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
              2⤵
                PID:1052
              • C:\Windows\system32\taskhost.exe
                "taskhost.exe"
                2⤵
                  PID:1104
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
                  2⤵
                    PID:1084
                  • C:\Windows\System32\spoolsv.exe
                    C:\Windows\System32\spoolsv.exe
                    2⤵
                      PID:276
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k NetworkService
                      2⤵
                        PID:284
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k netsvcs
                        2⤵
                          PID:884
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k LocalService
                          2⤵
                            PID:844
                          • C:\Windows\System32\svchost.exe
                            C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
                            2⤵
                              PID:808
                            • C:\Windows\System32\svchost.exe
                              C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
                              2⤵
                                PID:748
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k RPCSS
                                2⤵
                                  PID:664
                              • C:\Windows\system32\winlogon.exe
                                winlogon.exe
                                1⤵
                                  PID:420
                                • 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:384
                                  • C:\Windows\system32\wininit.exe
                                    wininit.exe
                                    1⤵
                                      PID:372
                                      • 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:332
                                        • C:\Windows\Explorer.EXE
                                          C:\Windows\Explorer.EXE
                                          1⤵
                                            PID:1216
                                            • C:\Users\Admin\AppData\Local\Temp\cf08a5909b3db8517fbd154d29d88f624f29c277ca282363ad2e4371a076993c.exe
                                              "C:\Users\Admin\AppData\Local\Temp\cf08a5909b3db8517fbd154d29d88f624f29c277ca282363ad2e4371a076993c.exe"
                                              2⤵
                                              • Loads dropped DLL
                                              • Drops file in Program Files directory
                                              • Suspicious use of UnmapMainImage
                                              • Suspicious use of WriteProcessMemory
                                              PID:540
                                              • C:\Users\Admin\AppData\Local\Temp\cf08a5909b3db8517fbd154d29d88f624f29c277ca282363ad2e4371a076993cmgr.exe
                                                C:\Users\Admin\AppData\Local\Temp\cf08a5909b3db8517fbd154d29d88f624f29c277ca282363ad2e4371a076993cmgr.exe
                                                3⤵
                                                • Executes dropped EXE
                                                • Loads dropped DLL
                                                • Drops file in Program Files directory
                                                • Suspicious use of UnmapMainImage
                                                • Suspicious use of WriteProcessMemory
                                                PID:1996
                                                • C:\Program Files (x86)\Microsoft\WaterMark.exe
                                                  "C:\Program Files (x86)\Microsoft\WaterMark.exe"
                                                  4⤵
                                                  • Executes dropped EXE
                                                  • Suspicious behavior: EnumeratesProcesses
                                                  • Suspicious use of AdjustPrivilegeToken
                                                  • Suspicious use of UnmapMainImage
                                                  • Suspicious use of WriteProcessMemory
                                                  PID:1296
                                                  • C:\Windows\SysWOW64\svchost.exe
                                                    C:\Windows\system32\svchost.exe
                                                    5⤵
                                                    • Suspicious use of AdjustPrivilegeToken
                                                    PID:1540
                                                  • C:\Windows\SysWOW64\svchost.exe
                                                    C:\Windows\system32\svchost.exe
                                                    5⤵
                                                    • Suspicious use of AdjustPrivilegeToken
                                                    PID:1984
                                              • C:\Program Files (x86)\Microsoft\WaterMark.exe
                                                "C:\Program Files (x86)\Microsoft\WaterMark.exe"
                                                3⤵
                                                • Executes dropped EXE
                                                • Suspicious behavior: EnumeratesProcesses
                                                • Suspicious use of AdjustPrivilegeToken
                                                • Suspicious use of UnmapMainImage
                                                • Suspicious use of WriteProcessMemory
                                                PID:1424
                                                • C:\Windows\SysWOW64\svchost.exe
                                                  C:\Windows\system32\svchost.exe
                                                  4⤵
                                                  • Modifies WinLogon for persistence
                                                  • Drops file in System32 directory
                                                  • Drops file in Program Files directory
                                                  PID:368
                                                • C:\Windows\SysWOW64\svchost.exe
                                                  C:\Windows\system32\svchost.exe
                                                  4⤵
                                                  • Suspicious behavior: EnumeratesProcesses
                                                  • Suspicious use of AdjustPrivilegeToken
                                                  • Suspicious use of WriteProcessMemory
                                                  PID:2000
                                          • \\?\C:\Windows\system32\wbem\WMIADAP.EXE
                                            wmiadap.exe /F /T /R
                                            1⤵
                                              PID:2036
                                            • C:\Windows\system32\Dwm.exe
                                              "C:\Windows\system32\Dwm.exe"
                                              1⤵
                                                PID:1184
                                              • C:\Windows\System32\smss.exe
                                                \SystemRoot\System32\smss.exe
                                                1⤵
                                                  PID:260

                                                Network

                                                MITRE ATT&CK Enterprise v6

                                                Replay Monitor

                                                Loading Replay Monitor...

                                                Downloads

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

                                                  Filesize

                                                  119KB

                                                  MD5

                                                  38a96de610bef6a122677e93885fd380

                                                  SHA1

                                                  5db38bffdedc43790359bab324121dd60472ee77

                                                  SHA256

                                                  c41c2011fe11b2bddf392d57fa1f7513f234243fd79cd34f01030e86a15827f9

                                                  SHA512

                                                  9520643685d3c5a90b39f51668cfb5f2eedca1c02f2d3acabc9834946fd107d97b526f882d739b617c0881a1552d0065d27ddd9c1cf244dcaf061c9f6ddb1830

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

                                                  Filesize

                                                  119KB

                                                  MD5

                                                  38a96de610bef6a122677e93885fd380

                                                  SHA1

                                                  5db38bffdedc43790359bab324121dd60472ee77

                                                  SHA256

                                                  c41c2011fe11b2bddf392d57fa1f7513f234243fd79cd34f01030e86a15827f9

                                                  SHA512

                                                  9520643685d3c5a90b39f51668cfb5f2eedca1c02f2d3acabc9834946fd107d97b526f882d739b617c0881a1552d0065d27ddd9c1cf244dcaf061c9f6ddb1830

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

                                                  Filesize

                                                  119KB

                                                  MD5

                                                  38a96de610bef6a122677e93885fd380

                                                  SHA1

                                                  5db38bffdedc43790359bab324121dd60472ee77

                                                  SHA256

                                                  c41c2011fe11b2bddf392d57fa1f7513f234243fd79cd34f01030e86a15827f9

                                                  SHA512

                                                  9520643685d3c5a90b39f51668cfb5f2eedca1c02f2d3acabc9834946fd107d97b526f882d739b617c0881a1552d0065d27ddd9c1cf244dcaf061c9f6ddb1830

                                                • C:\Users\Admin\AppData\Local\Temp\cf08a5909b3db8517fbd154d29d88f624f29c277ca282363ad2e4371a076993cmgr.exe

                                                  Filesize

                                                  119KB

                                                  MD5

                                                  38a96de610bef6a122677e93885fd380

                                                  SHA1

                                                  5db38bffdedc43790359bab324121dd60472ee77

                                                  SHA256

                                                  c41c2011fe11b2bddf392d57fa1f7513f234243fd79cd34f01030e86a15827f9

                                                  SHA512

                                                  9520643685d3c5a90b39f51668cfb5f2eedca1c02f2d3acabc9834946fd107d97b526f882d739b617c0881a1552d0065d27ddd9c1cf244dcaf061c9f6ddb1830

                                                • C:\Users\Admin\AppData\Local\Temp\cf08a5909b3db8517fbd154d29d88f624f29c277ca282363ad2e4371a076993cmgr.exe

                                                  Filesize

                                                  119KB

                                                  MD5

                                                  38a96de610bef6a122677e93885fd380

                                                  SHA1

                                                  5db38bffdedc43790359bab324121dd60472ee77

                                                  SHA256

                                                  c41c2011fe11b2bddf392d57fa1f7513f234243fd79cd34f01030e86a15827f9

                                                  SHA512

                                                  9520643685d3c5a90b39f51668cfb5f2eedca1c02f2d3acabc9834946fd107d97b526f882d739b617c0881a1552d0065d27ddd9c1cf244dcaf061c9f6ddb1830

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

                                                  Filesize

                                                  119KB

                                                  MD5

                                                  38a96de610bef6a122677e93885fd380

                                                  SHA1

                                                  5db38bffdedc43790359bab324121dd60472ee77

                                                  SHA256

                                                  c41c2011fe11b2bddf392d57fa1f7513f234243fd79cd34f01030e86a15827f9

                                                  SHA512

                                                  9520643685d3c5a90b39f51668cfb5f2eedca1c02f2d3acabc9834946fd107d97b526f882d739b617c0881a1552d0065d27ddd9c1cf244dcaf061c9f6ddb1830

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

                                                  Filesize

                                                  119KB

                                                  MD5

                                                  38a96de610bef6a122677e93885fd380

                                                  SHA1

                                                  5db38bffdedc43790359bab324121dd60472ee77

                                                  SHA256

                                                  c41c2011fe11b2bddf392d57fa1f7513f234243fd79cd34f01030e86a15827f9

                                                  SHA512

                                                  9520643685d3c5a90b39f51668cfb5f2eedca1c02f2d3acabc9834946fd107d97b526f882d739b617c0881a1552d0065d27ddd9c1cf244dcaf061c9f6ddb1830

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

                                                  Filesize

                                                  119KB

                                                  MD5

                                                  38a96de610bef6a122677e93885fd380

                                                  SHA1

                                                  5db38bffdedc43790359bab324121dd60472ee77

                                                  SHA256

                                                  c41c2011fe11b2bddf392d57fa1f7513f234243fd79cd34f01030e86a15827f9

                                                  SHA512

                                                  9520643685d3c5a90b39f51668cfb5f2eedca1c02f2d3acabc9834946fd107d97b526f882d739b617c0881a1552d0065d27ddd9c1cf244dcaf061c9f6ddb1830

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

                                                  Filesize

                                                  119KB

                                                  MD5

                                                  38a96de610bef6a122677e93885fd380

                                                  SHA1

                                                  5db38bffdedc43790359bab324121dd60472ee77

                                                  SHA256

                                                  c41c2011fe11b2bddf392d57fa1f7513f234243fd79cd34f01030e86a15827f9

                                                  SHA512

                                                  9520643685d3c5a90b39f51668cfb5f2eedca1c02f2d3acabc9834946fd107d97b526f882d739b617c0881a1552d0065d27ddd9c1cf244dcaf061c9f6ddb1830

                                                • \Users\Admin\AppData\Local\Temp\cf08a5909b3db8517fbd154d29d88f624f29c277ca282363ad2e4371a076993cmgr.exe

                                                  Filesize

                                                  119KB

                                                  MD5

                                                  38a96de610bef6a122677e93885fd380

                                                  SHA1

                                                  5db38bffdedc43790359bab324121dd60472ee77

                                                  SHA256

                                                  c41c2011fe11b2bddf392d57fa1f7513f234243fd79cd34f01030e86a15827f9

                                                  SHA512

                                                  9520643685d3c5a90b39f51668cfb5f2eedca1c02f2d3acabc9834946fd107d97b526f882d739b617c0881a1552d0065d27ddd9c1cf244dcaf061c9f6ddb1830

                                                • \Users\Admin\AppData\Local\Temp\cf08a5909b3db8517fbd154d29d88f624f29c277ca282363ad2e4371a076993cmgr.exe

                                                  Filesize

                                                  119KB

                                                  MD5

                                                  38a96de610bef6a122677e93885fd380

                                                  SHA1

                                                  5db38bffdedc43790359bab324121dd60472ee77

                                                  SHA256

                                                  c41c2011fe11b2bddf392d57fa1f7513f234243fd79cd34f01030e86a15827f9

                                                  SHA512

                                                  9520643685d3c5a90b39f51668cfb5f2eedca1c02f2d3acabc9834946fd107d97b526f882d739b617c0881a1552d0065d27ddd9c1cf244dcaf061c9f6ddb1830

                                                • memory/368-93-0x0000000000000000-mapping.dmp

                                                • memory/368-98-0x0000000076171000-0x0000000076173000-memory.dmp

                                                  Filesize

                                                  8KB

                                                • memory/368-236-0x0000000020010000-0x0000000020022000-memory.dmp

                                                  Filesize

                                                  72KB

                                                • memory/368-108-0x0000000020010000-0x0000000020022000-memory.dmp

                                                  Filesize

                                                  72KB

                                                • memory/368-99-0x0000000020010000-0x0000000020022000-memory.dmp

                                                  Filesize

                                                  72KB

                                                • memory/368-88-0x0000000020010000-0x0000000020022000-memory.dmp

                                                  Filesize

                                                  72KB

                                                • memory/540-76-0x0000000000400000-0x0000000000421000-memory.dmp

                                                  Filesize

                                                  132KB

                                                • memory/540-61-0x0000000000400000-0x0000000000421000-memory.dmp

                                                  Filesize

                                                  132KB

                                                • memory/540-64-0x0000000000400000-0x0000000000421000-memory.dmp

                                                  Filesize

                                                  132KB

                                                • memory/1296-96-0x0000000000400000-0x0000000000429000-memory.dmp

                                                  Filesize

                                                  164KB

                                                • memory/1296-94-0x0000000000400000-0x0000000000429000-memory.dmp

                                                  Filesize

                                                  164KB

                                                • memory/1296-71-0x0000000000000000-mapping.dmp

                                                • memory/1424-89-0x0000000000400000-0x0000000000429000-memory.dmp

                                                  Filesize

                                                  164KB

                                                • memory/1424-91-0x0000000000400000-0x0000000000429000-memory.dmp

                                                  Filesize

                                                  164KB

                                                • memory/1424-73-0x0000000000000000-mapping.dmp

                                                • memory/1424-235-0x0000000000400000-0x0000000000421000-memory.dmp

                                                  Filesize

                                                  132KB

                                                • memory/1540-97-0x0000000000000000-mapping.dmp

                                                • memory/1984-129-0x0000000000000000-mapping.dmp

                                                • memory/1996-56-0x0000000000000000-mapping.dmp

                                                • memory/1996-75-0x0000000000400000-0x0000000000421000-memory.dmp

                                                  Filesize

                                                  132KB

                                                • memory/2000-113-0x0000000020010000-0x000000002001B000-memory.dmp

                                                  Filesize

                                                  44KB

                                                • memory/2000-112-0x0000000000000000-mapping.dmp

                                                • memory/2000-110-0x0000000020010000-0x000000002001B000-memory.dmp

                                                  Filesize

                                                  44KB