Analysis

  • max time kernel
    28s
  • max time network
    18s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    11-12-2024 07:29

General

  • Target

    1786f9c537b2d9f9551d0edf4c9b0d1d73c3bf94397ea344b93b688628213702N.dll

  • Size

    120KB

  • MD5

    916f89286399f2f15d4b1705d02c7ec0

  • SHA1

    8be3ad8a04e6edbf735efcd9418b4b67b3c7dea4

  • SHA256

    1786f9c537b2d9f9551d0edf4c9b0d1d73c3bf94397ea344b93b688628213702

  • SHA512

    73e185eef1e07f6694cff92c52380732e223a4fe6ce039fd6dccb721260424e9df8c6ad7ca4c5c9623f8cb3e154232cfc7d0553d14c80fae0f21958dba6b73fc

  • SSDEEP

    1536:G3jCKCtQbCPcB/j4ZXRWOvHCT9qfNLSIPEUO4+M2WdZI292ZZZU:GJC+bCPcB/kZXFvZhSOG4+MvZ7

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 16 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\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1112
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1168
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1196
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\1786f9c537b2d9f9551d0edf4c9b0d1d73c3bf94397ea344b93b688628213702N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2224
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\1786f9c537b2d9f9551d0edf4c9b0d1d73c3bf94397ea344b93b688628213702N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1956
              • C:\Users\Admin\AppData\Local\Temp\f76ba79.exe
                C:\Users\Admin\AppData\Local\Temp\f76ba79.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:1028
              • C:\Users\Admin\AppData\Local\Temp\f76bc5d.exe
                C:\Users\Admin\AppData\Local\Temp\f76bc5d.exe
                4⤵
                • Executes dropped EXE
                PID:2848
              • C:\Users\Admin\AppData\Local\Temp\f76d7c9.exe
                C:\Users\Admin\AppData\Local\Temp\f76d7c9.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:2860
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:2032

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            03ddded6dfcd9c4e95f6b91d6ecec436

            SHA1

            66d0318d476335184b745b51c8951a4a60191717

            SHA256

            c1459cccc57cb1b85428040968095581fd0519bfc8710de30ace5f5686cd00d1

            SHA512

            04647cb9c5def9dd3fb7f9702e7425e996db1153f3af5a61312dd9da75d9d84ae4c306d2c3091ef203e6b2c5a0940058aac14a749fb5de8f73521d81e8b7f842

          • \Users\Admin\AppData\Local\Temp\f76ba79.exe

            Filesize

            97KB

            MD5

            99624688fce5030abb5571c295f951e1

            SHA1

            52feebe0051f860b435a504cade50c550f164458

            SHA256

            1e025affb2724d783074d81ee93868e4ad0e6fafc7aba0d6186f7fca6fb43102

            SHA512

            d9bbf1123da33cfb309674fcfd3d201aa05903102cc782adb6118ce25f9ca4c5f7cd62cb5ad169946fae4bb4d4cafae8174620037e92f2cb0dabda3bb4ff727c

          • memory/1028-23-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1028-90-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1028-15-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1028-19-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1028-14-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1028-63-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1028-150-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1028-151-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1028-110-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1028-22-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1028-89-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1028-20-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1028-24-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1028-86-0x00000000003D0000-0x00000000003D2000-memory.dmp

            Filesize

            8KB

          • memory/1028-56-0x00000000003D0000-0x00000000003D2000-memory.dmp

            Filesize

            8KB

          • memory/1028-57-0x00000000003D0000-0x00000000003D2000-memory.dmp

            Filesize

            8KB

          • memory/1028-84-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1028-85-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1028-65-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1028-21-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1028-18-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1028-43-0x00000000003E0000-0x00000000003E1000-memory.dmp

            Filesize

            4KB

          • memory/1028-70-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1028-69-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1028-17-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1028-25-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1028-67-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1028-66-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1028-64-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1112-26-0x0000000002070000-0x0000000002072000-memory.dmp

            Filesize

            8KB

          • memory/1956-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1956-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1956-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1956-4-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1956-51-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/1956-73-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/1956-52-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1956-7-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1956-53-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/1956-33-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/1956-42-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/1956-32-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/1956-13-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2848-180-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2848-100-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/2848-101-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2848-107-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2848-55-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2860-129-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2860-83-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2860-108-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2860-106-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2860-158-0x00000000009C0000-0x0000000001A7A000-memory.dmp

            Filesize

            16.7MB

          • memory/2860-105-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/2860-207-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2860-208-0x00000000009C0000-0x0000000001A7A000-memory.dmp

            Filesize

            16.7MB