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Analysis

  • max time kernel
    45s
  • max time network
    50s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    30/10/2022, 01:46

General

  • Target

    8e903d209c31f7342a8977f50a29dcb3d506cbff516b137b987dcfd5ae73b100.exe

  • Size

    237KB

  • MD5

    93d796b7251ff485e67389dee6d33b60

  • SHA1

    ec3f0509a75bae56ede1ae8d04d18d566023a11f

  • SHA256

    8e903d209c31f7342a8977f50a29dcb3d506cbff516b137b987dcfd5ae73b100

  • SHA512

    d24d41da07e7a7fb73623b667ee56498dbf1506eeaad364302ca2cfbd44f2e2659e206731344be5282cda4a90331b90cbda74ff19588492808f386d5fd84dd08

  • SSDEEP

    6144:w+d713bstyJj0sC7/H+x6QYSJCSMOv49+t0wYmR6WJ:tf386A/H+x6wCPOv49cLNYI

Malware Config

Extracted

Family

sality

C2

http://89.119.67.154/testo5/

http://kukutrustnet777.info/home.gif

http://kukutrustnet888.info/home.gif

http://kukutrustnet987.info/home.gif

http://www.klkjwre9fqwieluoi.info/

http://kukutrustnet777888.info/

Signatures

  • Modifies firewall policy service 2 TTPs 3 IoCs
  • Ramnit

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

  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • UPX packed file 6 IoCs

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

  • Loads dropped DLL 2 IoCs
  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 21 IoCs
  • Suspicious use of AdjustPrivilegeToken 22 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\winlogon.exe
    winlogon.exe
    1⤵
      PID:412
    • 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\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 LocalServiceNetworkRestricted
                3⤵
                  PID:748
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k netsvcs
                  3⤵
                    PID:872
                    • \\?\C:\Windows\system32\wbem\WMIADAP.EXE
                      wmiadap.exe /F /T /R
                      4⤵
                        PID:2012
                    • C:\Windows\System32\spoolsv.exe
                      C:\Windows\System32\spoolsv.exe
                      3⤵
                        PID:1008
                      • C:\Windows\system32\taskhost.exe
                        "taskhost.exe"
                        3⤵
                          PID:1228
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
                          3⤵
                            PID:484
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k NetworkService
                            3⤵
                              PID:296
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
                              3⤵
                                PID:744
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k LocalService
                                3⤵
                                  PID:836
                                • C:\Windows\System32\svchost.exe
                                  C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
                                  3⤵
                                    PID:800
                                  • C:\Windows\system32\svchost.exe
                                    C:\Windows\system32\svchost.exe -k RPCSS
                                    3⤵
                                      PID:660
                                    • C:\Windows\system32\svchost.exe
                                      C:\Windows\system32\svchost.exe -k DcomLaunch
                                      3⤵
                                        PID:576
                                      • C:\Windows\system32\sppsvc.exe
                                        C:\Windows\system32\sppsvc.exe
                                        3⤵
                                          PID:1736
                                      • 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\Dwm.exe
                                          "C:\Windows\system32\Dwm.exe"
                                          1⤵
                                            PID:1328
                                          • C:\Windows\Explorer.EXE
                                            C:\Windows\Explorer.EXE
                                            1⤵
                                              PID:1400
                                              • C:\Users\Admin\AppData\Local\Temp\8e903d209c31f7342a8977f50a29dcb3d506cbff516b137b987dcfd5ae73b100.exe
                                                "C:\Users\Admin\AppData\Local\Temp\8e903d209c31f7342a8977f50a29dcb3d506cbff516b137b987dcfd5ae73b100.exe"
                                                2⤵
                                                • Modifies firewall policy service
                                                • UAC bypass
                                                • Windows security bypass
                                                • Disables RegEdit via registry modification
                                                • Loads dropped DLL
                                                • Windows security modification
                                                • Checks whether UAC is enabled
                                                • Drops file in Windows directory
                                                • Suspicious behavior: EnumeratesProcesses
                                                • Suspicious behavior: MapViewOfSection
                                                • Suspicious use of AdjustPrivilegeToken
                                                • Suspicious use of UnmapMainImage
                                                • Suspicious use of WriteProcessMemory
                                                • System policy modification
                                                PID:1200

                                            Network

                                            MITRE ATT&CK Enterprise v6

                                            Replay Monitor

                                            Loading Replay Monitor...

                                            Downloads

                                            • \Users\Admin\AppData\Local\Temp\~TM22BE.tmp

                                              Filesize

                                              1.2MB

                                              MD5

                                              d124f55b9393c976963407dff51ffa79

                                              SHA1

                                              2c7bbedd79791bfb866898c85b504186db610b5d

                                              SHA256

                                              ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

                                              SHA512

                                              278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

                                            • \Users\Admin\AppData\Local\Temp\~TM232C.tmp

                                              Filesize

                                              1.1MB

                                              MD5

                                              9b98d47916ead4f69ef51b56b0c2323c

                                              SHA1

                                              290a80b4ded0efc0fd00816f373fcea81a521330

                                              SHA256

                                              96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b

                                              SHA512

                                              68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94

                                            • memory/1200-54-0x0000000075AC1000-0x0000000075AC3000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/1200-55-0x0000000002440000-0x00000000034CE000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/1200-56-0x0000000000400000-0x0000000000442000-memory.dmp

                                              Filesize

                                              264KB

                                            • memory/1200-59-0x0000000002440000-0x00000000034CE000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/1200-61-0x0000000000400000-0x000000000042A000-memory.dmp

                                              Filesize

                                              168KB

                                            • memory/1200-60-0x0000000000400000-0x000000000042A000-memory.dmp

                                              Filesize

                                              168KB

                                            • memory/1200-64-0x0000000000400000-0x000000000042A000-memory.dmp

                                              Filesize

                                              168KB

                                            • memory/1200-65-0x0000000002440000-0x00000000034CE000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/1200-66-0x0000000077960000-0x0000000077AE0000-memory.dmp

                                              Filesize

                                              1.5MB