Analysis

  • max time kernel
    122s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    10-06-2024 15:04

General

  • Target

    982d4b0f323c39c9b46cf1fa7c444da7815428257e5619490cb8c37a76b1c8f2.dll

  • Size

    120KB

  • MD5

    0c60e7a4b91cef14ab81d6afce534b6d

  • SHA1

    e3c7138ccee52bff03ecb0693faf76e6b85ff5ba

  • SHA256

    982d4b0f323c39c9b46cf1fa7c444da7815428257e5619490cb8c37a76b1c8f2

  • SHA512

    f50e3b82a020b10d340c97badec56cb6179c10e1694c805f84391060e28fa261034acac56bbd5015c0d9afcd08cbb9a2d8768e3f19184105b7bb36aae97bcf5d

  • SSDEEP

    3072:j4BGPzcJ7miopYmzQC87x17ReBYnhmn1eatIsJ:DPzcAisYmcCoxCY6oarJ

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) 28 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 17 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 41 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1108
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1168
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1196
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\982d4b0f323c39c9b46cf1fa7c444da7815428257e5619490cb8c37a76b1c8f2.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1088
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\982d4b0f323c39c9b46cf1fa7c444da7815428257e5619490cb8c37a76b1c8f2.dll,#1
              3⤵
              • Loads dropped DLL
              • Suspicious use of WriteProcessMemory
              PID:2232
              • C:\Users\Admin\AppData\Local\Temp\f761084.exe
                C:\Users\Admin\AppData\Local\Temp\f761084.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:2072
              • C:\Users\Admin\AppData\Local\Temp\f76122a.exe
                C:\Users\Admin\AppData\Local\Temp\f76122a.exe
                4⤵
                • Executes dropped EXE
                PID:2568
              • C:\Users\Admin\AppData\Local\Temp\f762c10.exe
                C:\Users\Admin\AppData\Local\Temp\f762c10.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:2500
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:108

          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

            877c7c355929ff906ad91a42747930fb

            SHA1

            8e97dd472cd44ea0e15217d7b277bd189fb00cbc

            SHA256

            7de50a3fc16b0a44997a5c432035a69c06ecff921b8a17ad7f4b3cbe31ad7677

            SHA512

            460e82260633350a12e65dc87c65203b217a13e74b47eaacdd9472664bbdc5788402c39e24a6a29631020cc2ca8d532decae928b1ac5ac70f82348dfb4f4ba77

          • \Users\Admin\AppData\Local\Temp\f761084.exe
            Filesize

            97KB

            MD5

            b0d1c41f3dcefe5bc7050aaced2e01d4

            SHA1

            486e63b0ffd8bae1a2ad8af9ce3211b937428f58

            SHA256

            8eaeb4e01ad4bf5b94d02f483a479f786e340bb93ee12b97a691112c38e417b0

            SHA512

            08a25f30fb55d627b28f15d206b7d6f2aeee71e9dc1af09dbb8a6fd314c5ec2fe7dcb116f0d894cf69eb17e0a83f439abe2a8d696d645fcea3f1271aefc355a4

          • memory/1108-29-0x0000000001F10000-0x0000000001F12000-memory.dmp
            Filesize

            8KB

          • memory/2072-64-0x00000000006C0000-0x000000000177A000-memory.dmp
            Filesize

            16.7MB

          • memory/2072-49-0x00000000004A0000-0x00000000004A1000-memory.dmp
            Filesize

            4KB

          • memory/2072-65-0x00000000006C0000-0x000000000177A000-memory.dmp
            Filesize

            16.7MB

          • memory/2072-17-0x00000000006C0000-0x000000000177A000-memory.dmp
            Filesize

            16.7MB

          • memory/2072-66-0x00000000006C0000-0x000000000177A000-memory.dmp
            Filesize

            16.7MB

          • memory/2072-11-0x0000000000400000-0x0000000000412000-memory.dmp
            Filesize

            72KB

          • memory/2072-160-0x0000000000400000-0x0000000000412000-memory.dmp
            Filesize

            72KB

          • memory/2072-161-0x00000000006C0000-0x000000000177A000-memory.dmp
            Filesize

            16.7MB

          • memory/2072-22-0x00000000006C0000-0x000000000177A000-memory.dmp
            Filesize

            16.7MB

          • memory/2072-20-0x00000000006C0000-0x000000000177A000-memory.dmp
            Filesize

            16.7MB

          • memory/2072-15-0x00000000006C0000-0x000000000177A000-memory.dmp
            Filesize

            16.7MB

          • memory/2072-19-0x00000000006C0000-0x000000000177A000-memory.dmp
            Filesize

            16.7MB

          • memory/2072-21-0x00000000006C0000-0x000000000177A000-memory.dmp
            Filesize

            16.7MB

          • memory/2072-70-0x00000000006C0000-0x000000000177A000-memory.dmp
            Filesize

            16.7MB

          • memory/2072-50-0x00000000003F0000-0x00000000003F2000-memory.dmp
            Filesize

            8KB

          • memory/2072-68-0x00000000006C0000-0x000000000177A000-memory.dmp
            Filesize

            16.7MB

          • memory/2072-130-0x00000000003F0000-0x00000000003F2000-memory.dmp
            Filesize

            8KB

          • memory/2072-90-0x00000000006C0000-0x000000000177A000-memory.dmp
            Filesize

            16.7MB

          • memory/2072-89-0x00000000006C0000-0x000000000177A000-memory.dmp
            Filesize

            16.7MB

          • memory/2072-87-0x00000000006C0000-0x000000000177A000-memory.dmp
            Filesize

            16.7MB

          • memory/2072-85-0x00000000006C0000-0x000000000177A000-memory.dmp
            Filesize

            16.7MB

          • memory/2072-71-0x00000000006C0000-0x000000000177A000-memory.dmp
            Filesize

            16.7MB

          • memory/2072-54-0x00000000003F0000-0x00000000003F2000-memory.dmp
            Filesize

            8KB

          • memory/2072-13-0x00000000006C0000-0x000000000177A000-memory.dmp
            Filesize

            16.7MB

          • memory/2072-18-0x00000000006C0000-0x000000000177A000-memory.dmp
            Filesize

            16.7MB

          • memory/2072-16-0x00000000006C0000-0x000000000177A000-memory.dmp
            Filesize

            16.7MB

          • memory/2072-23-0x00000000006C0000-0x000000000177A000-memory.dmp
            Filesize

            16.7MB

          • memory/2072-67-0x00000000006C0000-0x000000000177A000-memory.dmp
            Filesize

            16.7MB

          • memory/2232-1-0x0000000010000000-0x0000000010020000-memory.dmp
            Filesize

            128KB

          • memory/2232-8-0x0000000000150000-0x0000000000162000-memory.dmp
            Filesize

            72KB

          • memory/2232-83-0x0000000000150000-0x0000000000152000-memory.dmp
            Filesize

            8KB

          • memory/2232-9-0x0000000000150000-0x0000000000162000-memory.dmp
            Filesize

            72KB

          • memory/2232-80-0x00000000001C0000-0x00000000001C2000-memory.dmp
            Filesize

            8KB

          • memory/2232-60-0x00000000001C0000-0x00000000001C2000-memory.dmp
            Filesize

            8KB

          • memory/2232-61-0x00000000003B0000-0x00000000003C2000-memory.dmp
            Filesize

            72KB

          • memory/2232-48-0x00000000001D0000-0x00000000001D1000-memory.dmp
            Filesize

            4KB

          • memory/2232-59-0x00000000001C0000-0x00000000001C2000-memory.dmp
            Filesize

            8KB

          • memory/2232-38-0x00000000001C0000-0x00000000001C2000-memory.dmp
            Filesize

            8KB

          • memory/2232-39-0x00000000001D0000-0x00000000001D1000-memory.dmp
            Filesize

            4KB

          • memory/2500-111-0x0000000000200000-0x0000000000201000-memory.dmp
            Filesize

            4KB

          • memory/2500-110-0x00000000001F0000-0x00000000001F2000-memory.dmp
            Filesize

            8KB

          • memory/2500-84-0x0000000000400000-0x0000000000412000-memory.dmp
            Filesize

            72KB

          • memory/2500-178-0x0000000000910000-0x00000000019CA000-memory.dmp
            Filesize

            16.7MB

          • memory/2500-216-0x0000000000400000-0x0000000000412000-memory.dmp
            Filesize

            72KB

          • memory/2500-215-0x0000000000910000-0x00000000019CA000-memory.dmp
            Filesize

            16.7MB

          • memory/2568-109-0x00000000001F0000-0x00000000001F2000-memory.dmp
            Filesize

            8KB

          • memory/2568-100-0x0000000000200000-0x0000000000201000-memory.dmp
            Filesize

            4KB

          • memory/2568-101-0x00000000001F0000-0x00000000001F2000-memory.dmp
            Filesize

            8KB

          • memory/2568-63-0x0000000000400000-0x0000000000412000-memory.dmp
            Filesize

            72KB

          • memory/2568-165-0x0000000000400000-0x0000000000412000-memory.dmp
            Filesize

            72KB