Analysis

  • max time kernel
    120s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    29-03-2024 04:48

General

  • Target

    eeeed5074031c2b8158dcaaa40ce74ac033465f88e0253472e1b4c53faf0ccb8.dll

  • Size

    120KB

  • MD5

    13d6c220d44ebab27e6ae4113e24e32f

  • SHA1

    532c5f52d83493dc6f25c1f42cdd7d9653927c2e

  • SHA256

    eeeed5074031c2b8158dcaaa40ce74ac033465f88e0253472e1b4c53faf0ccb8

  • SHA512

    98517c41a7914c6526799403c629f4a8f094fcb30fb07a1a113400b7bf6af1f8cedbdadfe5311c0d23f3658343e6e6a088c32f7540316c0f62b5de14e5218067

  • SSDEEP

    3072:M/34QSJvMGI6QQG93SI9QHSg15imxg8uNa:M/3fivy6QtBd6SQgmi8J

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 23 IoCs
  • UPX dump on OEP (original entry point) 27 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • UPX packed file 23 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 9 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:1160
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1192
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\eeeed5074031c2b8158dcaaa40ce74ac033465f88e0253472e1b4c53faf0ccb8.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2744
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\eeeed5074031c2b8158dcaaa40ce74ac033465f88e0253472e1b4c53faf0ccb8.dll,#1
              3⤵
              • Loads dropped DLL
              • Suspicious use of WriteProcessMemory
              PID:2076
              • C:\Users\Admin\AppData\Local\Temp\f767407.exe
                C:\Users\Admin\AppData\Local\Temp\f767407.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:2696
              • C:\Users\Admin\AppData\Local\Temp\f767caf.exe
                C:\Users\Admin\AppData\Local\Temp\f767caf.exe
                4⤵
                • Executes dropped EXE
                PID:1964
              • C:\Users\Admin\AppData\Local\Temp\f768d51.exe
                C:\Users\Admin\AppData\Local\Temp\f768d51.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
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                • System policy modification
                PID:2836
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1708

          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

            4c05d5b4f1ffe2f098ed81881e747331

            SHA1

            9bbdbb5dc66d562b3896eb591525fac10d2c8b38

            SHA256

            3900627ede82629871feabb2d72051c4cc2177761007cf79d9dc32c3829bb949

            SHA512

            20c05c06bcceff4e6683364c72458a33f171875ada1d0f88b5fa39b86ed745bd551eaba51392a5043b4f6589936bd1ff4bddecae6c3636dc1d708956de8a4ad2

          • \Users\Admin\AppData\Local\Temp\f767407.exe
            Filesize

            97KB

            MD5

            4a09b32e13275a02d0ae4659909bb332

            SHA1

            e965585d7956e603deccfabb1e788c72cbeba9e2

            SHA256

            0fc28005d6dc5b4343d8cd3180543284dbc0ab142197fdfcdb24ca90cee550b8

            SHA512

            0ccc48c950902ffff776dd709a6d0d6818e45e6cfb5e0e4bb15fbbb1b4fd889aedfd0fe806d4805fa57d74a6f0b7066d4c38e62eecde640df5b1ea7423064854

          • memory/1108-17-0x0000000001C80000-0x0000000001C82000-memory.dmp
            Filesize

            8KB

          • memory/1964-97-0x0000000000230000-0x0000000000231000-memory.dmp
            Filesize

            4KB

          • memory/1964-54-0x0000000000400000-0x0000000000412000-memory.dmp
            Filesize

            72KB

          • memory/1964-95-0x0000000000220000-0x0000000000222000-memory.dmp
            Filesize

            8KB

          • memory/1964-102-0x0000000000220000-0x0000000000222000-memory.dmp
            Filesize

            8KB

          • memory/2076-71-0x00000000001A0000-0x00000000001A2000-memory.dmp
            Filesize

            8KB

          • memory/2076-37-0x00000000001B0000-0x00000000001B1000-memory.dmp
            Filesize

            4KB

          • memory/2076-10-0x0000000000160000-0x0000000000172000-memory.dmp
            Filesize

            72KB

          • memory/2076-0-0x0000000010000000-0x0000000010020000-memory.dmp
            Filesize

            128KB

          • memory/2076-74-0x0000000000230000-0x0000000000242000-memory.dmp
            Filesize

            72KB

          • memory/2076-31-0x00000000001A0000-0x00000000001A2000-memory.dmp
            Filesize

            8KB

          • memory/2076-33-0x00000000001B0000-0x00000000001B1000-memory.dmp
            Filesize

            4KB

          • memory/2076-11-0x0000000000160000-0x0000000000172000-memory.dmp
            Filesize

            72KB

          • memory/2076-76-0x0000000000230000-0x0000000000242000-memory.dmp
            Filesize

            72KB

          • memory/2076-48-0x0000000000230000-0x0000000000242000-memory.dmp
            Filesize

            72KB

          • memory/2076-52-0x0000000000230000-0x0000000000242000-memory.dmp
            Filesize

            72KB

          • memory/2076-2-0x0000000010000000-0x0000000010020000-memory.dmp
            Filesize

            128KB

          • memory/2076-35-0x00000000001A0000-0x00000000001A2000-memory.dmp
            Filesize

            8KB

          • memory/2076-77-0x0000000000160000-0x0000000000166000-memory.dmp
            Filesize

            24KB

          • memory/2696-32-0x00000000005B0000-0x000000000166A000-memory.dmp
            Filesize

            16.7MB

          • memory/2696-12-0x00000000005B0000-0x000000000166A000-memory.dmp
            Filesize

            16.7MB

          • memory/2696-59-0x00000000005B0000-0x000000000166A000-memory.dmp
            Filesize

            16.7MB

          • memory/2696-58-0x00000000004A0000-0x00000000004A1000-memory.dmp
            Filesize

            4KB

          • memory/2696-61-0x00000000005B0000-0x000000000166A000-memory.dmp
            Filesize

            16.7MB

          • memory/2696-62-0x00000000005B0000-0x000000000166A000-memory.dmp
            Filesize

            16.7MB

          • memory/2696-50-0x00000000005B0000-0x000000000166A000-memory.dmp
            Filesize

            16.7MB

          • memory/2696-63-0x00000000005B0000-0x000000000166A000-memory.dmp
            Filesize

            16.7MB

          • memory/2696-13-0x0000000000400000-0x0000000000412000-memory.dmp
            Filesize

            72KB

          • memory/2696-38-0x00000000005B0000-0x000000000166A000-memory.dmp
            Filesize

            16.7MB

          • memory/2696-27-0x00000000005B0000-0x000000000166A000-memory.dmp
            Filesize

            16.7MB

          • memory/2696-19-0x00000000005B0000-0x000000000166A000-memory.dmp
            Filesize

            16.7MB

          • memory/2696-79-0x00000000005B0000-0x000000000166A000-memory.dmp
            Filesize

            16.7MB

          • memory/2696-81-0x00000000005B0000-0x000000000166A000-memory.dmp
            Filesize

            16.7MB

          • memory/2696-82-0x00000000005B0000-0x000000000166A000-memory.dmp
            Filesize

            16.7MB

          • memory/2696-83-0x00000000005B0000-0x000000000166A000-memory.dmp
            Filesize

            16.7MB

          • memory/2696-85-0x00000000005B0000-0x000000000166A000-memory.dmp
            Filesize

            16.7MB

          • memory/2696-87-0x00000000005B0000-0x000000000166A000-memory.dmp
            Filesize

            16.7MB

          • memory/2696-16-0x00000000005B0000-0x000000000166A000-memory.dmp
            Filesize

            16.7MB

          • memory/2696-15-0x00000000005B0000-0x000000000166A000-memory.dmp
            Filesize

            16.7MB

          • memory/2696-141-0x00000000005B0000-0x000000000166A000-memory.dmp
            Filesize

            16.7MB

          • memory/2696-108-0x00000000005B0000-0x000000000166A000-memory.dmp
            Filesize

            16.7MB

          • memory/2696-56-0x0000000000480000-0x0000000000482000-memory.dmp
            Filesize

            8KB

          • memory/2696-106-0x00000000005B0000-0x000000000166A000-memory.dmp
            Filesize

            16.7MB

          • memory/2836-104-0x00000000002B0000-0x00000000002B1000-memory.dmp
            Filesize

            4KB

          • memory/2836-105-0x0000000000260000-0x0000000000262000-memory.dmp
            Filesize

            8KB

          • memory/2836-78-0x0000000000400000-0x0000000000412000-memory.dmp
            Filesize

            72KB

          • memory/2836-145-0x00000000009A0000-0x0000000001A5A000-memory.dmp
            Filesize

            16.7MB

          • memory/2836-180-0x0000000000400000-0x0000000000412000-memory.dmp
            Filesize

            72KB

          • memory/2836-181-0x00000000009A0000-0x0000000001A5A000-memory.dmp
            Filesize

            16.7MB