Analysis

  • max time kernel
    119s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    09/11/2024, 12:12

General

  • Target

    10a99155fc6867c67b3f4ae8c6f6923dcad0fa6f9303aa4584f8fec9a079a862N.dll

  • Size

    120KB

  • MD5

    8e43f525f78bbf2f969b2aeb63261280

  • SHA1

    c0c01a35cef677948bba36d040aa8457c06e2763

  • SHA256

    10a99155fc6867c67b3f4ae8c6f6923dcad0fa6f9303aa4584f8fec9a079a862

  • SHA512

    077e9471b292dd0101fa9b5056370f4b7ca28fb450452ebdf96d6a95814feb19a867bd70f89d15d64f607686fed461d1bd3d3601c7d9219e5627adfe94d6b7e0

  • SSDEEP

    1536:bSN2pVJaC/lyma/GiGtRHkGikYjmWC6tBoGxmH7Qqb5Uq/Sj5JCKLoXQtixr/Hh:WQVJaeYnHGikctxq95t//Ak1

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:1052
    • C:\Windows\system32\taskhost.exe
      "taskhost.exe"
      1⤵
        PID:1072
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1148
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\10a99155fc6867c67b3f4ae8c6f6923dcad0fa6f9303aa4584f8fec9a079a862N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1728
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\10a99155fc6867c67b3f4ae8c6f6923dcad0fa6f9303aa4584f8fec9a079a862N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2100
              • C:\Users\Admin\AppData\Local\Temp\f76d77b.exe
                C:\Users\Admin\AppData\Local\Temp\f76d77b.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:2108
              • C:\Users\Admin\AppData\Local\Temp\f76d901.exe
                C:\Users\Admin\AppData\Local\Temp\f76d901.exe
                4⤵
                • Executes dropped EXE
                PID:2556
              • C:\Users\Admin\AppData\Local\Temp\f76f325.exe
                C:\Users\Admin\AppData\Local\Temp\f76f325.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:2624
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1956

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f76d77b.exe

            Filesize

            97KB

            MD5

            c7652d69e518bac8361159c9ff050423

            SHA1

            05c64a2274512d83ae8c8b5f6364f826732f5a74

            SHA256

            4c3f19d03fc4b0fa448f7b3bf8894f439d3097133b746dca6b5fc0d43ae28567

            SHA512

            4713ee58303aae22f3f892f9744655763f88c32a15c60c0b801dadd5640ac913d3d9b3ac75948fe6ecac1f54c62dbc0e832fbe6a3c0b36a0b3115ef2edcd8992

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            55f794291c7dd048497574b543f33f98

            SHA1

            eccbed741d1fe4b20e95c0fdbd30ceaa41c51d87

            SHA256

            4672cac7d31a3bf69b084348253909666de46ecc1ddafb252f9f299c77149211

            SHA512

            f8678661d0215b4e45d040ba8e3c81ccf407dab80bc31deaeaa1e60a6034847cabe1673f0ba6ebed6a2fcd60c06d36c0d1de3f1a58ad3470f9ed02a9f7916884

          • memory/1052-28-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2100-44-0x0000000000180000-0x0000000000181000-memory.dmp

            Filesize

            4KB

          • memory/2100-36-0x0000000000180000-0x0000000000181000-memory.dmp

            Filesize

            4KB

          • memory/2100-35-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/2100-57-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/2100-9-0x0000000000140000-0x0000000000152000-memory.dmp

            Filesize

            72KB

          • memory/2100-75-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/2100-82-0x0000000000140000-0x0000000000142000-memory.dmp

            Filesize

            8KB

          • memory/2100-71-0x00000000001F0000-0x0000000000202000-memory.dmp

            Filesize

            72KB

          • memory/2100-8-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2100-55-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/2100-56-0x00000000001D0000-0x00000000001E2000-memory.dmp

            Filesize

            72KB

          • memory/2108-62-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2108-17-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2108-47-0x00000000002F0000-0x00000000002F2000-memory.dmp

            Filesize

            8KB

          • memory/2108-19-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2108-13-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2108-18-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2108-45-0x0000000000560000-0x0000000000561000-memory.dmp

            Filesize

            4KB

          • memory/2108-21-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2108-48-0x00000000002F0000-0x00000000002F2000-memory.dmp

            Filesize

            8KB

          • memory/2108-16-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2108-60-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2108-61-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2108-14-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2108-63-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2108-64-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2108-66-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2108-67-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2108-20-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2108-70-0x00000000002F0000-0x00000000002F2000-memory.dmp

            Filesize

            8KB

          • memory/2108-22-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2108-15-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2108-83-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2108-85-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2108-87-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2108-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2108-151-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2108-150-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2108-109-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2108-108-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2556-105-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2556-98-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2556-99-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2556-155-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2556-59-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2624-106-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2624-107-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2624-168-0x00000000009C0000-0x0000000001A7A000-memory.dmp

            Filesize

            16.7MB

          • memory/2624-169-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2624-208-0x00000000009C0000-0x0000000001A7A000-memory.dmp

            Filesize

            16.7MB

          • memory/2624-209-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB