Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    17-12-2024 12:00

General

  • Target

    fdc0cf40e1bb3321cfb33e694f42972bfbd3d6a5c5e8b145830ca5297a6b4572.dll

  • Size

    120KB

  • MD5

    674d167bf30a9a11461dfa44a805548c

  • SHA1

    f0b4f281bf7500dbf57073eee98f51290bfffd0f

  • SHA256

    fdc0cf40e1bb3321cfb33e694f42972bfbd3d6a5c5e8b145830ca5297a6b4572

  • SHA512

    3cb7981abb4214d4102770fc11236b9aab1c00e1bd267c373de908371c30df579bd17545e8157ea5bf090d262b713eeb2692052e56006a94e71549adc59ffccf

  • SSDEEP

    3072:n9Bbr5vUkIVK4oaTuOz7iPouoQBangsPyO44Ek:njbr5cznay7Ivag6y6

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 9 IoCs
  • Sality

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

  • Sality family
  • UAC bypass 3 TTPs 3 IoCs
  • Windows security bypass 2 TTPs 18 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • Windows security modification 2 TTPs 21 IoCs
  • Checks whether UAC is enabled 1 TTPs 3 IoCs
  • Enumerates connected drives 3 TTPs 13 IoCs

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

  • UPX packed file 24 IoCs

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

  • Drops file in Windows directory 4 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 3 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1052
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1128
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1172
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\fdc0cf40e1bb3321cfb33e694f42972bfbd3d6a5c5e8b145830ca5297a6b4572.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:3000
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\fdc0cf40e1bb3321cfb33e694f42972bfbd3d6a5c5e8b145830ca5297a6b4572.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:3016
              • C:\Users\Admin\AppData\Local\Temp\f76b3d5.exe
                C:\Users\Admin\AppData\Local\Temp\f76b3d5.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:1976
              • C:\Users\Admin\AppData\Local\Temp\f76b55b.exe
                C:\Users\Admin\AppData\Local\Temp\f76b55b.exe
                4⤵
                • Modifies firewall policy service
                • UAC bypass
                • Windows security bypass
                • Executes dropped EXE
                • Windows security modification
                • Checks whether UAC is enabled
                • Drops file in Windows directory
                • System policy modification
                PID:2708
              • C:\Users\Admin\AppData\Local\Temp\f76cf60.exe
                C:\Users\Admin\AppData\Local\Temp\f76cf60.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:2656
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:2024

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f76b3d5.exe

            Filesize

            97KB

            MD5

            a3ef2714aa3bee8fbec3e99091f897ea

            SHA1

            9e0658d523b21c6a71cfd5ab44fd33a9a6dfa16d

            SHA256

            3743e8fea55fada092ae4af9acc99bcf79167058154262bdfa6cfbaf0d93860a

            SHA512

            72ef7eea5d3d8a4287a73652407b672234d3a8613f8cbc7ce9734819af082f5cd5ec39f382c6545d6ce1f3947f4a9e8540038865286d730d201874b7dd2a6d6f

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            e173a5d838a263d3113905e4ecfac2e5

            SHA1

            384363422e58afc76c1ab0779e9d23247521d995

            SHA256

            5d8ca37a8d27b12260867d9ef6793b784727ddf3186e8535ded9517efc050062

            SHA512

            eb83b873bc4d404824647b430691580a4c3614283a6db7b703b1f334b63b201b10e229a43112865d1eaa39c2982d512f3f874ddf17b8c3e5740517f61e057eaa

          • memory/1052-31-0x0000000000410000-0x0000000000412000-memory.dmp

            Filesize

            8KB

          • memory/1976-67-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/1976-112-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/1976-82-0x0000000000490000-0x0000000000492000-memory.dmp

            Filesize

            8KB

          • memory/1976-66-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/1976-25-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/1976-17-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/1976-19-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/1976-21-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/1976-152-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1976-24-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/1976-16-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/1976-53-0x0000000000490000-0x0000000000492000-memory.dmp

            Filesize

            8KB

          • memory/1976-51-0x0000000000490000-0x0000000000492000-memory.dmp

            Filesize

            8KB

          • memory/1976-23-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/1976-13-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1976-153-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/1976-87-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/1976-70-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/1976-110-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/1976-108-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/1976-22-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/1976-20-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/1976-18-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/1976-50-0x00000000004E0000-0x00000000004E1000-memory.dmp

            Filesize

            4KB

          • memory/1976-69-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/1976-65-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/1976-86-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2656-186-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2656-211-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2656-105-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2656-107-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2656-131-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2656-212-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2708-64-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2708-124-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2708-213-0x0000000000920000-0x00000000019DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2708-162-0x0000000000920000-0x00000000019DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2708-161-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2708-103-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2708-99-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2708-98-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/3016-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/3016-39-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/3016-60-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/3016-78-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/3016-62-0x0000000000250000-0x0000000000262000-memory.dmp

            Filesize

            72KB

          • memory/3016-4-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/3016-49-0x00000000001F0000-0x00000000001F1000-memory.dmp

            Filesize

            4KB

          • memory/3016-63-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/3016-40-0x00000000001F0000-0x00000000001F1000-memory.dmp

            Filesize

            4KB

          • memory/3016-81-0x0000000000270000-0x0000000000282000-memory.dmp

            Filesize

            72KB

          • memory/3016-11-0x00000000001B0000-0x00000000001C2000-memory.dmp

            Filesize

            72KB

          • memory/3016-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/3016-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/3016-83-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/3016-214-0x0000000000270000-0x0000000000282000-memory.dmp

            Filesize

            72KB