Analysis

  • max time kernel
    30s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    07-12-2024 03:25

General

  • Target

    fa4831a044629ddae349896b5cc6b2dc47015b76cd09c88b9029b188dd13f915.dll

  • Size

    120KB

  • MD5

    ea5dfd10ef14c8c2e7c8489d4f4a6edd

  • SHA1

    dac3c6a3b77b095034db3630bc0f6b9169d61d3a

  • SHA256

    fa4831a044629ddae349896b5cc6b2dc47015b76cd09c88b9029b188dd13f915

  • SHA512

    03333e3bf9f55b8e10a1b5cf0d21dd19f3bfa3f5971c1465f48b667f22f45434b782c0f051ee9eb981855d1d853d6296d8d1fac9d6019a2392a5bd3c57bdf030

  • SSDEEP

    1536:Vbv5J+HgKH142iN+dMwx5WD38btu41kGa79xb4z/m5rZjyBkSnX/3Bx0lG:V7/7KH142i7CIbot9g9xb4ql2uSP3Bd

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 15 IoCs

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

  • UPX packed file 23 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:1100
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1160
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1248
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\fa4831a044629ddae349896b5cc6b2dc47015b76cd09c88b9029b188dd13f915.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1480
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\fa4831a044629ddae349896b5cc6b2dc47015b76cd09c88b9029b188dd13f915.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2984
              • C:\Users\Admin\AppData\Local\Temp\f76c581.exe
                C:\Users\Admin\AppData\Local\Temp\f76c581.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:3008
              • C:\Users\Admin\AppData\Local\Temp\f76c948.exe
                C:\Users\Admin\AppData\Local\Temp\f76c948.exe
                4⤵
                • Executes dropped EXE
                PID:2944
              • C:\Users\Admin\AppData\Local\Temp\f76eadc.exe
                C:\Users\Admin\AppData\Local\Temp\f76eadc.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:3044
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:800

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            8d971b279115679dddda6f73c30c60e5

            SHA1

            b24a080e663090971d720231068a5edf6cf8a079

            SHA256

            94e891d3fe8f600c02ccfed6e66643eda5e3fe6e1180536711984ae51dd2f547

            SHA512

            69c5415e7e2d368571e9524caab907dbba3ce22b8b58a4433e8dc87c2027e151a86cc5b51144e68d723907666603b408069af88e6a24ee01d311f693c3d714a3

          • \Users\Admin\AppData\Local\Temp\f76c581.exe

            Filesize

            97KB

            MD5

            c7d941c6e0e888e64bb3ed30dd61782b

            SHA1

            3ab1460dc288539d70d55304933b1f96ec88e4ad

            SHA256

            98eea928e83630c832cb13e989a4897739ff97829a4a1b7a50b42f9dacb0c5b7

            SHA512

            e7669401c7c695344ef4ffcee84ae633d66f0b22159b5e80f319c26d316404d7e1c8be494f083eb46fa11a3ca836391b4288a925cd4c3f613fd12ddafb01c6e7

          • memory/1100-29-0x0000000000410000-0x0000000000412000-memory.dmp

            Filesize

            8KB

          • memory/2944-59-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2944-97-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2944-158-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2944-98-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2944-96-0x00000000003B0000-0x00000000003B1000-memory.dmp

            Filesize

            4KB

          • memory/2984-68-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2984-83-0x0000000000450000-0x0000000000462000-memory.dmp

            Filesize

            72KB

          • memory/2984-85-0x0000000000130000-0x0000000000132000-memory.dmp

            Filesize

            8KB

          • memory/2984-74-0x0000000000450000-0x0000000000462000-memory.dmp

            Filesize

            72KB

          • memory/2984-5-0x0000000000130000-0x0000000000142000-memory.dmp

            Filesize

            72KB

          • memory/2984-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2984-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2984-53-0x00000000003A0000-0x00000000003B2000-memory.dmp

            Filesize

            72KB

          • memory/2984-41-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/2984-38-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2984-39-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/2984-54-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/3008-20-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/3008-16-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/3008-58-0x00000000004E0000-0x00000000004E1000-memory.dmp

            Filesize

            4KB

          • memory/3008-18-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/3008-62-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/3008-63-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/3008-64-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/3008-65-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/3008-67-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/3008-21-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/3008-70-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/3008-22-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/3008-23-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/3008-11-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3008-15-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/3008-82-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/3008-87-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/3008-61-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/3008-14-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/3008-19-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/3008-17-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/3008-153-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/3008-152-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3008-107-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/3008-108-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/3008-111-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/3044-104-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/3044-154-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/3044-105-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/3044-106-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/3044-86-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3044-172-0x0000000000A00000-0x0000000001ABA000-memory.dmp

            Filesize

            16.7MB

          • memory/3044-215-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3044-214-0x0000000000A00000-0x0000000001ABA000-memory.dmp

            Filesize

            16.7MB