Analysis

  • max time kernel
    121s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    10-06-2024 18:54

General

  • Target

    1023451895ac837d95a13b21db728c1d90ff39e6e90b4de47a4341b238884004.dll

  • Size

    120KB

  • MD5

    80acbf9b26cd09f9969db4be655b2863

  • SHA1

    56934e37a65d38d128db673d04f7869e74a71382

  • SHA256

    1023451895ac837d95a13b21db728c1d90ff39e6e90b4de47a4341b238884004

  • SHA512

    eecadb5f032d968674c302012d78bfaa39973416d0f96249680f994958275f7fc662bcb30668b8a20fd99677e9d0c4ba935f4a9f2eeea620ccd53003f36df201

  • SSDEEP

    3072:CP2LnVuScaEPM1CqWVVByNgQI5DHqqn6e8:jjdEYk5yhIzf6e

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 2 TTPs 6 IoCs
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • UAC bypass 3 TTPs 2 IoCs
  • Windows security bypass 2 TTPs 12 IoCs
  • Detects executables packed with Sality Polymorphic Code Generator or Simple Poly Engine or Sality 24 IoCs
  • UPX dump on OEP (original entry point) 29 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • UPX packed file 24 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Windows security modification 2 TTPs 14 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 13 IoCs

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

  • Drops file in Windows directory 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 21 IoCs
  • Suspicious use of WriteProcessMemory 33 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1072
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1192
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1216
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\1023451895ac837d95a13b21db728c1d90ff39e6e90b4de47a4341b238884004.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1964
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\1023451895ac837d95a13b21db728c1d90ff39e6e90b4de47a4341b238884004.dll,#1
              3⤵
              • Loads dropped DLL
              • Suspicious use of WriteProcessMemory
              PID:2100
              • C:\Users\Admin\AppData\Local\Temp\f7618ed.exe
                C:\Users\Admin\AppData\Local\Temp\f7618ed.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
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                • System policy modification
                PID:972
              • C:\Users\Admin\AppData\Local\Temp\f761a83.exe
                C:\Users\Admin\AppData\Local\Temp\f761a83.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:2860
              • C:\Users\Admin\AppData\Local\Temp\f763498.exe
                C:\Users\Admin\AppData\Local\Temp\f763498.exe
                4⤵
                • Executes dropped EXE
                PID:2832
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:2212

          Network

          MITRE ATT&CK Matrix ATT&CK v13

          Persistence

          Create or Modify System Process

          1
          T1543

          Windows Service

          1
          T1543.003

          Privilege Escalation

          Create or Modify System Process

          1
          T1543

          Windows Service

          1
          T1543.003

          Abuse Elevation Control Mechanism

          1
          T1548

          Bypass User Account Control

          1
          T1548.002

          Defense Evasion

          Modify Registry

          5
          T1112

          Abuse Elevation Control Mechanism

          1
          T1548

          Bypass User Account Control

          1
          T1548.002

          Impair Defenses

          3
          T1562

          Disable or Modify Tools

          3
          T1562.001

          Discovery

          System Information Discovery

          2
          T1082

          Query Registry

          1
          T1012

          Peripheral Device Discovery

          1
          T1120

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Windows\SYSTEM.INI
            Filesize

            257B

            MD5

            da4bcdadea85d64b77d17c2a4560b6a7

            SHA1

            e82b869ddec74139e6cdd3e0e492ed88df1d11dd

            SHA256

            1bcdbc606a39351acac927fad6917b9ac1f23e46a72951e2f87d08bd64037044

            SHA512

            aa000cebb60e3476a5855da0ce19baec22beb4471375ae4783a485e172d156dfc27da43e298149a043d075c7aa300f19a2a3c41061da1c63ea11b7757cb1344e

          • \Users\Admin\AppData\Local\Temp\f7618ed.exe
            Filesize

            97KB

            MD5

            205ac0dffe632b9743cff3d38bd1bea4

            SHA1

            d02471bb7a32bf8de383c2a54160626c047bd638

            SHA256

            6ba4f5aa5b8e9f02c748b12d655ae250cf73809cc05ade57dd363730cad62a98

            SHA512

            af338f7c798141670b3cc53b6907bfb212cc56b32aa807835b068d6b7c4c3c1a8aea23d5ceda85ddfce5b50d9005b3966c01ae10c07780c6ac75e38006ee030b

          • memory/972-62-0x0000000000670000-0x000000000172A000-memory.dmp
            Filesize

            16.7MB

          • memory/972-151-0x0000000000670000-0x000000000172A000-memory.dmp
            Filesize

            16.7MB

          • memory/972-81-0x0000000000670000-0x000000000172A000-memory.dmp
            Filesize

            16.7MB

          • memory/972-64-0x0000000000670000-0x000000000172A000-memory.dmp
            Filesize

            16.7MB

          • memory/972-63-0x0000000000670000-0x000000000172A000-memory.dmp
            Filesize

            16.7MB

          • memory/972-14-0x0000000000670000-0x000000000172A000-memory.dmp
            Filesize

            16.7MB

          • memory/972-11-0x0000000000400000-0x0000000000412000-memory.dmp
            Filesize

            72KB

          • memory/972-17-0x0000000000670000-0x000000000172A000-memory.dmp
            Filesize

            16.7MB

          • memory/972-21-0x0000000000670000-0x000000000172A000-memory.dmp
            Filesize

            16.7MB

          • memory/972-42-0x00000000002D0000-0x00000000002D2000-memory.dmp
            Filesize

            8KB

          • memory/972-40-0x0000000000670000-0x000000000172A000-memory.dmp
            Filesize

            16.7MB

          • memory/972-19-0x0000000000670000-0x000000000172A000-memory.dmp
            Filesize

            16.7MB

          • memory/972-25-0x0000000000670000-0x000000000172A000-memory.dmp
            Filesize

            16.7MB

          • memory/972-39-0x00000000002E0000-0x00000000002E1000-memory.dmp
            Filesize

            4KB

          • memory/972-152-0x0000000000400000-0x0000000000412000-memory.dmp
            Filesize

            72KB

          • memory/972-80-0x0000000000670000-0x000000000172A000-memory.dmp
            Filesize

            16.7MB

          • memory/972-15-0x0000000000670000-0x000000000172A000-memory.dmp
            Filesize

            16.7MB

          • memory/972-18-0x0000000000670000-0x000000000172A000-memory.dmp
            Filesize

            16.7MB

          • memory/972-20-0x0000000000670000-0x000000000172A000-memory.dmp
            Filesize

            16.7MB

          • memory/972-108-0x0000000000670000-0x000000000172A000-memory.dmp
            Filesize

            16.7MB

          • memory/972-104-0x00000000002D0000-0x00000000002D2000-memory.dmp
            Filesize

            8KB

          • memory/972-85-0x0000000000670000-0x000000000172A000-memory.dmp
            Filesize

            16.7MB

          • memory/972-47-0x00000000002D0000-0x00000000002D2000-memory.dmp
            Filesize

            8KB

          • memory/972-61-0x0000000000670000-0x000000000172A000-memory.dmp
            Filesize

            16.7MB

          • memory/972-84-0x0000000000670000-0x000000000172A000-memory.dmp
            Filesize

            16.7MB

          • memory/972-83-0x0000000000670000-0x000000000172A000-memory.dmp
            Filesize

            16.7MB

          • memory/972-16-0x0000000000670000-0x000000000172A000-memory.dmp
            Filesize

            16.7MB

          • memory/972-65-0x0000000000670000-0x000000000172A000-memory.dmp
            Filesize

            16.7MB

          • memory/1072-22-0x00000000002D0000-0x00000000002D2000-memory.dmp
            Filesize

            8KB

          • memory/2100-1-0x0000000010000000-0x0000000010020000-memory.dmp
            Filesize

            128KB

          • memory/2100-57-0x0000000000160000-0x0000000000162000-memory.dmp
            Filesize

            8KB

          • memory/2100-74-0x0000000000160000-0x0000000000162000-memory.dmp
            Filesize

            8KB

          • memory/2100-77-0x0000000000130000-0x0000000000132000-memory.dmp
            Filesize

            8KB

          • memory/2100-6-0x0000000000130000-0x0000000000142000-memory.dmp
            Filesize

            72KB

          • memory/2100-9-0x0000000000130000-0x0000000000142000-memory.dmp
            Filesize

            72KB

          • memory/2100-53-0x0000000000160000-0x0000000000162000-memory.dmp
            Filesize

            8KB

          • memory/2100-58-0x0000000000180000-0x0000000000192000-memory.dmp
            Filesize

            72KB

          • memory/2100-32-0x0000000000170000-0x0000000000171000-memory.dmp
            Filesize

            4KB

          • memory/2100-31-0x0000000000160000-0x0000000000162000-memory.dmp
            Filesize

            8KB

          • memory/2100-41-0x0000000000170000-0x0000000000171000-memory.dmp
            Filesize

            4KB

          • memory/2832-79-0x0000000000400000-0x0000000000412000-memory.dmp
            Filesize

            72KB

          • memory/2832-105-0x0000000000260000-0x0000000000262000-memory.dmp
            Filesize

            8KB

          • memory/2832-103-0x00000000002B0000-0x00000000002B1000-memory.dmp
            Filesize

            4KB

          • memory/2832-102-0x0000000000260000-0x0000000000262000-memory.dmp
            Filesize

            8KB

          • memory/2832-182-0x0000000000400000-0x0000000000412000-memory.dmp
            Filesize

            72KB

          • memory/2860-97-0x00000000001B0000-0x00000000001B2000-memory.dmp
            Filesize

            8KB

          • memory/2860-95-0x00000000001C0000-0x00000000001C1000-memory.dmp
            Filesize

            4KB

          • memory/2860-96-0x00000000001B0000-0x00000000001B2000-memory.dmp
            Filesize

            8KB

          • memory/2860-60-0x0000000000400000-0x0000000000412000-memory.dmp
            Filesize

            72KB

          • memory/2860-170-0x0000000000920000-0x00000000019DA000-memory.dmp
            Filesize

            16.7MB

          • memory/2860-177-0x0000000000400000-0x0000000000412000-memory.dmp
            Filesize

            72KB

          • memory/2860-178-0x0000000000920000-0x00000000019DA000-memory.dmp
            Filesize

            16.7MB