Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    18-06-2024 21:05

General

  • Target

    484ef377a8a3a666c5360bc148cfaf3307b069a99c1cfffd9035144ff84b49ff.dll

  • Size

    120KB

  • MD5

    46b6b81f6ec8f07cd6850953e821d420

  • SHA1

    ff98e012af1135db898161c216a3771f15230600

  • SHA256

    484ef377a8a3a666c5360bc148cfaf3307b069a99c1cfffd9035144ff84b49ff

  • SHA512

    172e5d2bf8c7be4e52af2d06ece1dd09746dde26bc38601c4276269b3d1a37defa7a5efacd663b8b4c0e7edd4238ad6a52ae356997914e2034f41f2e557977ea

  • SSDEEP

    1536:pep5Dr4QaPCD1yCcVGvTePBeSN67H6tfnfGhkPqHmZUZupQ3r5z:kHYCDMujU8HynOhkmZupG5z

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.

  • 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 26 IoCs
  • UPX dump on OEP (original entry point) 30 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • UPX packed file 26 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 15 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 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:1112
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1172
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1260
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\484ef377a8a3a666c5360bc148cfaf3307b069a99c1cfffd9035144ff84b49ff.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1848
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\484ef377a8a3a666c5360bc148cfaf3307b069a99c1cfffd9035144ff84b49ff.dll,#1
              3⤵
              • Loads dropped DLL
              • Suspicious use of WriteProcessMemory
              PID:1208
              • C:\Users\Admin\AppData\Local\Temp\f761140.exe
                C:\Users\Admin\AppData\Local\Temp\f761140.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:2464
              • C:\Users\Admin\AppData\Local\Temp\f7612d5.exe
                C:\Users\Admin\AppData\Local\Temp\f7612d5.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
                • Suspicious behavior: EnumeratesProcesses
                • System policy modification
                PID:2676
              • C:\Users\Admin\AppData\Local\Temp\f762d09.exe
                C:\Users\Admin\AppData\Local\Temp\f762d09.exe
                4⤵
                • Executes dropped EXE
                PID:1896
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:304

          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

          Impair Defenses

          4
          T1562

          Disable or Modify Tools

          3
          T1562.001

          Disable or Modify System Firewall

          1
          T1562.004

          Abuse Elevation Control Mechanism

          1
          T1548

          Bypass User Account Control

          1
          T1548.002

          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

            f844ecac7816ead5b068e7a97da830b2

            SHA1

            a9497474be57632f86a2b4e0a72ac9e79c1025f0

            SHA256

            d23cf0444206dc9d71aa8b1c0176594055727bedbc48e853c38d9fae1070a649

            SHA512

            611a91dd26290a01114ca71841380dee916d264748963596d2d4cf2b20f150ed084576410628b5b7a88bc6922de57a7fdd2227fd4c4250362fe4e774009df585

          • \Users\Admin\AppData\Local\Temp\f761140.exe
            Filesize

            97KB

            MD5

            5b1ac9ee9515ff6c1d25337cfd1daea8

            SHA1

            4757bbfe5fc033c6e359f58930404dff9cfbc0a9

            SHA256

            e1e1f9df2c2f3f40895633ff00b9d91fa26aa811f00c14918456c19921d5077b

            SHA512

            288bfaf6387dbb48c69328eae412d2318d9a13637e5a41538a83dccaf9c1039b2fb32a19f2730af39071ae3dc210623ca1842bf8018cfa43e745e47d62980222

          • memory/1112-26-0x0000000000450000-0x0000000000452000-memory.dmp
            Filesize

            8KB

          • memory/1208-1-0x0000000010000000-0x0000000010020000-memory.dmp
            Filesize

            128KB

          • memory/1208-58-0x0000000000210000-0x0000000000222000-memory.dmp
            Filesize

            72KB

          • memory/1208-10-0x00000000001C0000-0x00000000001D2000-memory.dmp
            Filesize

            72KB

          • memory/1208-46-0x0000000000200000-0x0000000000201000-memory.dmp
            Filesize

            4KB

          • memory/1208-59-0x00000000001F0000-0x00000000001F2000-memory.dmp
            Filesize

            8KB

          • memory/1208-57-0x00000000001F0000-0x00000000001F2000-memory.dmp
            Filesize

            8KB

          • memory/1208-79-0x00000000001F0000-0x00000000001F2000-memory.dmp
            Filesize

            8KB

          • memory/1208-81-0x00000000001C0000-0x00000000001C2000-memory.dmp
            Filesize

            8KB

          • memory/1208-33-0x00000000001F0000-0x00000000001F2000-memory.dmp
            Filesize

            8KB

          • memory/1208-37-0x0000000000200000-0x0000000000201000-memory.dmp
            Filesize

            4KB

          • memory/1208-4-0x00000000001C0000-0x00000000001D2000-memory.dmp
            Filesize

            72KB

          • memory/1896-82-0x0000000000400000-0x0000000000412000-memory.dmp
            Filesize

            72KB

          • memory/1896-101-0x00000000003F0000-0x00000000003F1000-memory.dmp
            Filesize

            4KB

          • memory/1896-102-0x00000000003E0000-0x00000000003E2000-memory.dmp
            Filesize

            8KB

          • memory/1896-184-0x0000000000400000-0x0000000000412000-memory.dmp
            Filesize

            72KB

          • memory/1896-104-0x00000000003E0000-0x00000000003E2000-memory.dmp
            Filesize

            8KB

          • memory/2464-64-0x00000000006B0000-0x000000000176A000-memory.dmp
            Filesize

            16.7MB

          • memory/2464-87-0x00000000006B0000-0x000000000176A000-memory.dmp
            Filesize

            16.7MB

          • memory/2464-23-0x00000000006B0000-0x000000000176A000-memory.dmp
            Filesize

            16.7MB

          • memory/2464-50-0x0000000000330000-0x0000000000332000-memory.dmp
            Filesize

            8KB

          • memory/2464-11-0x0000000000400000-0x0000000000412000-memory.dmp
            Filesize

            72KB

          • memory/2464-49-0x0000000000330000-0x0000000000332000-memory.dmp
            Filesize

            8KB

          • memory/2464-16-0x00000000006B0000-0x000000000176A000-memory.dmp
            Filesize

            16.7MB

          • memory/2464-62-0x00000000006B0000-0x000000000176A000-memory.dmp
            Filesize

            16.7MB

          • memory/2464-63-0x00000000006B0000-0x000000000176A000-memory.dmp
            Filesize

            16.7MB

          • memory/2464-18-0x00000000006B0000-0x000000000176A000-memory.dmp
            Filesize

            16.7MB

          • memory/2464-66-0x00000000006B0000-0x000000000176A000-memory.dmp
            Filesize

            16.7MB

          • memory/2464-65-0x00000000006B0000-0x000000000176A000-memory.dmp
            Filesize

            16.7MB

          • memory/2464-68-0x00000000006B0000-0x000000000176A000-memory.dmp
            Filesize

            16.7MB

          • memory/2464-69-0x00000000006B0000-0x000000000176A000-memory.dmp
            Filesize

            16.7MB

          • memory/2464-19-0x00000000006B0000-0x000000000176A000-memory.dmp
            Filesize

            16.7MB

          • memory/2464-14-0x00000000006B0000-0x000000000176A000-memory.dmp
            Filesize

            16.7MB

          • memory/2464-21-0x00000000006B0000-0x000000000176A000-memory.dmp
            Filesize

            16.7MB

          • memory/2464-84-0x00000000006B0000-0x000000000176A000-memory.dmp
            Filesize

            16.7MB

          • memory/2464-85-0x00000000006B0000-0x000000000176A000-memory.dmp
            Filesize

            16.7MB

          • memory/2464-47-0x00000000005A0000-0x00000000005A1000-memory.dmp
            Filesize

            4KB

          • memory/2464-88-0x00000000006B0000-0x000000000176A000-memory.dmp
            Filesize

            16.7MB

          • memory/2464-22-0x00000000006B0000-0x000000000176A000-memory.dmp
            Filesize

            16.7MB

          • memory/2464-15-0x00000000006B0000-0x000000000176A000-memory.dmp
            Filesize

            16.7MB

          • memory/2464-153-0x0000000000400000-0x0000000000412000-memory.dmp
            Filesize

            72KB

          • memory/2464-20-0x00000000006B0000-0x000000000176A000-memory.dmp
            Filesize

            16.7MB

          • memory/2464-17-0x00000000006B0000-0x000000000176A000-memory.dmp
            Filesize

            16.7MB

          • memory/2464-154-0x00000000006B0000-0x000000000176A000-memory.dmp
            Filesize

            16.7MB

          • memory/2464-106-0x00000000006B0000-0x000000000176A000-memory.dmp
            Filesize

            16.7MB

          • memory/2464-108-0x00000000006B0000-0x000000000176A000-memory.dmp
            Filesize

            16.7MB

          • memory/2464-119-0x0000000000330000-0x0000000000332000-memory.dmp
            Filesize

            8KB

          • memory/2676-103-0x0000000000260000-0x0000000000262000-memory.dmp
            Filesize

            8KB

          • memory/2676-98-0x0000000000260000-0x0000000000262000-memory.dmp
            Filesize

            8KB

          • memory/2676-166-0x0000000000950000-0x0000000001A0A000-memory.dmp
            Filesize

            16.7MB

          • memory/2676-96-0x00000000002B0000-0x00000000002B1000-memory.dmp
            Filesize

            4KB

          • memory/2676-179-0x0000000000400000-0x0000000000412000-memory.dmp
            Filesize

            72KB

          • memory/2676-180-0x0000000000950000-0x0000000001A0A000-memory.dmp
            Filesize

            16.7MB

          • memory/2676-61-0x0000000000400000-0x0000000000412000-memory.dmp
            Filesize

            72KB