Analysis

  • max time kernel
    83s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    30-12-2024 17:13

General

  • Target

    762c77dac3df240f2dd548ad29b50c952515b6cee0076fd8159a8af37749df38N.dll

  • Size

    120KB

  • MD5

    f996cd58ba8593422c2d6b554e583350

  • SHA1

    d6b13174d1ce552ce3aaae54de7e1c3ba9547c15

  • SHA256

    762c77dac3df240f2dd548ad29b50c952515b6cee0076fd8159a8af37749df38

  • SHA512

    bda08a5f258636aea2049ef6b61e4b60f053d7540e313b057a49d2cfb79a768074d45b15c054ef1d9a829581b7bbff60da9dcc646a45557f1438aecca4658782

  • SSDEEP

    1536:Ug/JzJ21qktSQN/XJvmqvIALdDAvZfBFOpwY/a3p9YoQ8VNieAhE8Ja3R:z/FJ2ntSQN/Xhmqvz+ffwa5PIeAhEF

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 26 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:1120
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1168
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1212
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\762c77dac3df240f2dd548ad29b50c952515b6cee0076fd8159a8af37749df38N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:548
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\762c77dac3df240f2dd548ad29b50c952515b6cee0076fd8159a8af37749df38N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1548
              • C:\Users\Admin\AppData\Local\Temp\f76db13.exe
                C:\Users\Admin\AppData\Local\Temp\f76db13.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:2896
              • C:\Users\Admin\AppData\Local\Temp\f76dc7a.exe
                C:\Users\Admin\AppData\Local\Temp\f76dc7a.exe
                4⤵
                • Executes dropped EXE
                PID:2752
              • C:\Users\Admin\AppData\Local\Temp\f76f99b.exe
                C:\Users\Admin\AppData\Local\Temp\f76f99b.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:2584
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1540

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f76db13.exe

            Filesize

            97KB

            MD5

            38a7367776b3770f2e42e9087fe531af

            SHA1

            55e971b8769062d98731c074094b78fe4494dd34

            SHA256

            f6307a5cb91762f54042cf91280fa402fa965412dcc7d43f5b245622c6d8a2af

            SHA512

            ab6ac39836e226cebf062468015f9845e6fbe66f631afb87fa8505e4602e0082f1312a898a100003d3d70d7f6126979999543cecf2a3b51132d8f649dc372eda

          • C:\Windows\SYSTEM.INI

            Filesize

            256B

            MD5

            f02682e006de3cf6432aab556e015207

            SHA1

            a1d6d3eeadae1ec8520bed797dd4a347d673eb84

            SHA256

            1f486849f2bae2135a1b1ad0d42138187176172f852e7d5cf94693d6f85af271

            SHA512

            bd946c0d2e1270bc7b15a7829d2fa7d6409a6379a97a8c2ed03272f55029371632b186088ab816d5423e155248ae37c225ee4fba9645a537ff22ace6f75e42e0

          • memory/1120-24-0x0000000000310000-0x0000000000312000-memory.dmp

            Filesize

            8KB

          • memory/1548-32-0x00000000001B0000-0x00000000001B1000-memory.dmp

            Filesize

            4KB

          • memory/1548-10-0x0000000000180000-0x0000000000192000-memory.dmp

            Filesize

            72KB

          • memory/1548-41-0x00000000001B0000-0x00000000001B1000-memory.dmp

            Filesize

            4KB

          • memory/1548-4-0x0000000000180000-0x0000000000192000-memory.dmp

            Filesize

            72KB

          • memory/1548-31-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/1548-79-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/1548-50-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/1548-52-0x00000000005E0000-0x00000000005F2000-memory.dmp

            Filesize

            72KB

          • memory/1548-53-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/1548-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2584-165-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2584-100-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2584-166-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2584-208-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2584-209-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2752-153-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2752-120-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2752-93-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/2752-99-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2752-94-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2752-54-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2896-63-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2896-85-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2896-62-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2896-64-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2896-65-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2896-67-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2896-61-0x0000000000430000-0x0000000000432000-memory.dmp

            Filesize

            8KB

          • memory/2896-81-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2896-82-0x0000000000430000-0x0000000000432000-memory.dmp

            Filesize

            8KB

          • memory/2896-83-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2896-84-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2896-18-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2896-20-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2896-21-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2896-15-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2896-22-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2896-104-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2896-106-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2896-108-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2896-109-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2896-42-0x0000000000440000-0x0000000000441000-memory.dmp

            Filesize

            4KB

          • memory/2896-149-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2896-148-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2896-16-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2896-19-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2896-23-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2896-14-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2896-17-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2896-11-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB