Analysis

  • max time kernel
    28s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    16-12-2024 18:45

General

  • Target

    b94b9c10e823cf38e17e3c03e78c20285e7e31c851df66eb1974ab335ac64ffcN.dll

  • Size

    120KB

  • MD5

    0b8f629eca974d071cfb9ffaab03db00

  • SHA1

    6ddcdfc46129b655173d6e97911aff0af19e2881

  • SHA256

    b94b9c10e823cf38e17e3c03e78c20285e7e31c851df66eb1974ab335ac64ffc

  • SHA512

    d7ed994e595d4c58aa91503052edb5769841e893a57a9378f7c25b773a56aa99138f2251ef0a53596ff1c9fa2d3f022078bc84e77f31caa2e02657075d2fba9c

  • SSDEEP

    3072:XzlXR0z1ksvwdqvHNBdNJAyed7Y8yy+uRzSEua+gwd:Dlh0zX40vTdNq5dqmqOw

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 15 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 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:1112
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1164
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1204
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\b94b9c10e823cf38e17e3c03e78c20285e7e31c851df66eb1974ab335ac64ffcN.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:3036
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\b94b9c10e823cf38e17e3c03e78c20285e7e31c851df66eb1974ab335ac64ffcN.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2432
              • C:\Users\Admin\AppData\Local\Temp\f76ad21.exe
                C:\Users\Admin\AppData\Local\Temp\f76ad21.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:2536
              • C:\Users\Admin\AppData\Local\Temp\f76aea7.exe
                C:\Users\Admin\AppData\Local\Temp\f76aea7.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:2656
              • C:\Users\Admin\AppData\Local\Temp\f76c909.exe
                C:\Users\Admin\AppData\Local\Temp\f76c909.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:2248
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:496

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            aac5d4da71d0a192daef17c6d114ef01

            SHA1

            b27d88353c7237551224cb800d0fbd98effb811f

            SHA256

            e811cf2fd53f24047cd77a618fe51df464f1c0c4cf50fed15122491ae1299c74

            SHA512

            67ee66c0ff58c3ae992210d9f07e02a191457ee97094a1958ecce7241fe5fc234e2db790bbddd6478c40c318631addeca40bfd5daa6d54e28a7218742393c6da

          • \Users\Admin\AppData\Local\Temp\f76ad21.exe

            Filesize

            97KB

            MD5

            361b4ba700ef3e709d1643c3d536bccd

            SHA1

            d66bffc9456eec6794e8754a552da609d5352ed6

            SHA256

            d54cd2f1b69e8f1deff33ee5e35587475eb60a0ffed1b0c600b1d29652c5d08e

            SHA512

            f71646dc5df9cf404f2ccb6e3b122373b7486b96ab70be54c6f97e4fa221a32453827661da6213da3551e5650cc40c762c7967524adeef44972902b84416480d

          • memory/1112-28-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/2248-101-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2248-102-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2248-178-0x0000000000990000-0x0000000001A4A000-memory.dmp

            Filesize

            16.7MB

          • memory/2248-209-0x0000000000990000-0x0000000001A4A000-memory.dmp

            Filesize

            16.7MB

          • memory/2248-104-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2248-208-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2432-76-0x0000000000130000-0x0000000000132000-memory.dmp

            Filesize

            8KB

          • memory/2432-8-0x0000000000110000-0x0000000000122000-memory.dmp

            Filesize

            72KB

          • memory/2432-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2432-56-0x0000000000130000-0x0000000000132000-memory.dmp

            Filesize

            8KB

          • memory/2432-58-0x0000000000250000-0x0000000000262000-memory.dmp

            Filesize

            72KB

          • memory/2432-45-0x0000000000140000-0x0000000000141000-memory.dmp

            Filesize

            4KB

          • memory/2432-59-0x0000000000130000-0x0000000000132000-memory.dmp

            Filesize

            8KB

          • memory/2432-37-0x0000000000140000-0x0000000000141000-memory.dmp

            Filesize

            4KB

          • memory/2432-36-0x0000000000130000-0x0000000000132000-memory.dmp

            Filesize

            8KB

          • memory/2536-62-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2536-83-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2536-21-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2536-48-0x00000000004D0000-0x00000000004D2000-memory.dmp

            Filesize

            8KB

          • memory/2536-49-0x00000000004D0000-0x00000000004D2000-memory.dmp

            Filesize

            8KB

          • memory/2536-15-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2536-22-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2536-61-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2536-46-0x0000000002ED0000-0x0000000002ED1000-memory.dmp

            Filesize

            4KB

          • memory/2536-63-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2536-65-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2536-64-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2536-67-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2536-68-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2536-80-0x00000000004D0000-0x00000000004D2000-memory.dmp

            Filesize

            8KB

          • memory/2536-19-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2536-81-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2536-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2536-85-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2536-20-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2536-14-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2536-13-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2536-17-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2536-16-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2536-88-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2536-18-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2536-152-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2536-151-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2656-158-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2656-157-0x00000000009A0000-0x0000000001A5A000-memory.dmp

            Filesize

            16.7MB

          • memory/2656-132-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2656-105-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2656-96-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2656-60-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB