Analysis

  • max time kernel
    105s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    22-12-2024 15:15

General

  • Target

    3023c6c4730f42f68856fc8558af778d078cf163935209f96de798ca72a1bb70.dll

  • Size

    120KB

  • MD5

    b058c37d8c1cf21985e70ac22116f4ca

  • SHA1

    c3ab7dc79c52e2a425981981f60f20d14f90480b

  • SHA256

    3023c6c4730f42f68856fc8558af778d078cf163935209f96de798ca72a1bb70

  • SHA512

    6147d0f797b380bb1fbd94311fd155276db728a0e7dc4164c0ccb8259a0d5697b1d70b6821ab6bdeaabdcd6e7bc6aa84e78327b925fc06ede1d21f99b36edcc1

  • SSDEEP

    1536:zW33nb2aQNX9T0QQwVz1AxNaRAW13spw8wCcDhr67MXmB8T2p:zWnnblEtptVKRW1spw8x6h2T82p

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

Signatures

  • Modifies firewall policy service 3 TTPs 6 IoCs
  • Sality

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

  • Sality family
  • UAC bypass 3 TTPs 2 IoCs
  • Windows security bypass 2 TTPs 12 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • Windows security modification 2 TTPs 14 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 17 IoCs

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

  • UPX packed file 25 IoCs

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

  • Drops file in Windows directory 3 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\Dwm.exe
    "C:\Windows\system32\Dwm.exe"
    1⤵
      PID:1072
    • C:\Windows\system32\taskhost.exe
      "taskhost.exe"
      1⤵
        PID:1084
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1144
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\3023c6c4730f42f68856fc8558af778d078cf163935209f96de798ca72a1bb70.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2128
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\3023c6c4730f42f68856fc8558af778d078cf163935209f96de798ca72a1bb70.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2988
              • C:\Users\Admin\AppData\Local\Temp\f76d6a0.exe
                C:\Users\Admin\AppData\Local\Temp\f76d6a0.exe
                4⤵
                • Modifies firewall policy service
                • UAC bypass
                • Windows security bypass
                • Executes dropped EXE
                • Windows security modification
                • Checks whether UAC is enabled
                • Enumerates connected drives
                • Drops file in Windows directory
                • System Location Discovery: System Language Discovery
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                • System policy modification
                PID:2992
              • C:\Users\Admin\AppData\Local\Temp\f76d817.exe
                C:\Users\Admin\AppData\Local\Temp\f76d817.exe
                4⤵
                • Executes dropped EXE
                PID:2980
              • C:\Users\Admin\AppData\Local\Temp\f76f289.exe
                C:\Users\Admin\AppData\Local\Temp\f76f289.exe
                4⤵
                • Modifies firewall policy service
                • UAC bypass
                • Windows security bypass
                • Executes dropped EXE
                • Windows security modification
                • Checks whether UAC is enabled
                • Enumerates connected drives
                • Drops file in Windows directory
                • System Location Discovery: System Language Discovery
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                • System policy modification
                PID:2840
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:2040

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f76d6a0.exe

            Filesize

            97KB

            MD5

            531cca9074840665ff2b3c3839f15d21

            SHA1

            d8eeb5209051e2c69eeb884b6ac28e102c095916

            SHA256

            0f1a5c6aec8b98fcd5b5f582c90e42c86dfa1f747c8b7b0ee2da988115fd9ce1

            SHA512

            7c7136a58afedbcdc4d3ffd715c6ef6ea89443dd454ef3c27861146b9b7a2a705612db1870a2e53ee0573aa6e2d7e4d3ddd2959a1dec93f59cb9f682b373e2ca

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            ab8766ab989737dd40c47505c80e5462

            SHA1

            335422c42472272a5c6974afe871a3cf4a900207

            SHA256

            ba4bd5c92bade8b111a58b4ca9d3db711381209a5d7d19950852d3fda756c855

            SHA512

            e3e3de1e73717a2a47403317c14cc1bc4d18d549bd644b3003f16d65965f3a5c7cd9cd242c5b69982da6176e84526cb4b932794fde6e9b6707b3249171062c8c

          • memory/1072-28-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2840-109-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/2840-172-0x0000000000930000-0x00000000019EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2840-173-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2840-213-0x0000000000930000-0x00000000019EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2840-214-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2840-111-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2840-87-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2980-160-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2980-130-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2980-102-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2980-103-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2980-106-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2980-62-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2988-37-0x0000000000370000-0x0000000000372000-memory.dmp

            Filesize

            8KB

          • memory/2988-86-0x0000000000200000-0x0000000000202000-memory.dmp

            Filesize

            8KB

          • memory/2988-9-0x0000000000200000-0x0000000000212000-memory.dmp

            Filesize

            72KB

          • memory/2988-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2988-60-0x0000000000390000-0x00000000003A2000-memory.dmp

            Filesize

            72KB

          • memory/2988-59-0x0000000000370000-0x0000000000372000-memory.dmp

            Filesize

            8KB

          • memory/2988-58-0x0000000000390000-0x00000000003A2000-memory.dmp

            Filesize

            72KB

          • memory/2988-57-0x0000000000370000-0x0000000000372000-memory.dmp

            Filesize

            8KB

          • memory/2988-11-0x0000000000200000-0x0000000000212000-memory.dmp

            Filesize

            72KB

          • memory/2988-38-0x0000000000380000-0x0000000000381000-memory.dmp

            Filesize

            4KB

          • memory/2988-46-0x0000000000380000-0x0000000000381000-memory.dmp

            Filesize

            4KB

          • memory/2988-83-0x0000000000370000-0x0000000000372000-memory.dmp

            Filesize

            8KB

          • memory/2988-84-0x0000000000910000-0x0000000000922000-memory.dmp

            Filesize

            72KB

          • memory/2992-75-0x0000000000550000-0x0000000000552000-memory.dmp

            Filesize

            8KB

          • memory/2992-63-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2992-70-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2992-71-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2992-22-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2992-68-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2992-65-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2992-64-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2992-20-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2992-88-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2992-90-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2992-92-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2992-93-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2992-67-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2992-47-0x00000000005B0000-0x00000000005B1000-memory.dmp

            Filesize

            4KB

          • memory/2992-15-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2992-21-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2992-113-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2992-16-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2992-19-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2992-156-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2992-14-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2992-155-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2992-17-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2992-12-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2992-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2992-52-0x0000000000550000-0x0000000000552000-memory.dmp

            Filesize

            8KB

          • memory/2992-18-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB