Analysis

  • max time kernel
    120s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    10-06-2024 11:33

General

  • Target

    42e17c8a943a982ca456bcdd451ab6098dee4a0231f4aa2bd871868bcf1208f0.exe

  • Size

    65KB

  • MD5

    d41eecf2ac023d8eb42f2fc9011e3e12

  • SHA1

    c4d9a9012f436c5bc9a5a95a74111d3c67ec3156

  • SHA256

    42e17c8a943a982ca456bcdd451ab6098dee4a0231f4aa2bd871868bcf1208f0

  • SHA512

    1882cc0036f835dbfe300312eea336d1c1e638eeac6fcdb3f02bf88a931768225871c9b27c9dee157f1dbf3e187b624c28ea49ce96ccf7004ce91a23bd471172

  • SSDEEP

    1536:ta+EprvZocS75XxXz+lm2gN/rSTJMAbtRkkw7k:tNUjGceXVzMmjNTAJF0k

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 3 IoCs
  • Sality

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

  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • Detects executables packed with Sality Polymorphic Code Generator or Simple Poly Engine or Sality 29 IoCs
  • UPX dump on OEP (original entry point) 30 IoCs
  • UPX packed file 29 IoCs

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

  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 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 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 21 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1124
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1228
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1284
          • C:\Users\Admin\AppData\Local\Temp\42e17c8a943a982ca456bcdd451ab6098dee4a0231f4aa2bd871868bcf1208f0.exe
            "C:\Users\Admin\AppData\Local\Temp\42e17c8a943a982ca456bcdd451ab6098dee4a0231f4aa2bd871868bcf1208f0.exe"
            2⤵
            • Modifies firewall policy service
            • UAC bypass
            • Windows security bypass
            • 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:2172
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1096

          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

          • memory/1124-12-0x0000000000410000-0x0000000000412000-memory.dmp
            Filesize

            8KB

          • memory/2172-36-0x0000000000680000-0x000000000173A000-memory.dmp
            Filesize

            16.7MB

          • memory/2172-70-0x0000000000680000-0x000000000173A000-memory.dmp
            Filesize

            16.7MB

          • memory/2172-20-0x00000000002A0000-0x00000000002A1000-memory.dmp
            Filesize

            4KB

          • memory/2172-19-0x0000000000290000-0x0000000000292000-memory.dmp
            Filesize

            8KB

          • memory/2172-23-0x0000000000680000-0x000000000173A000-memory.dmp
            Filesize

            16.7MB

          • memory/2172-24-0x00000000002A0000-0x00000000002A1000-memory.dmp
            Filesize

            4KB

          • memory/2172-34-0x0000000000680000-0x000000000173A000-memory.dmp
            Filesize

            16.7MB

          • memory/2172-9-0x0000000000680000-0x000000000173A000-memory.dmp
            Filesize

            16.7MB

          • memory/2172-10-0x0000000000680000-0x000000000173A000-memory.dmp
            Filesize

            16.7MB

          • memory/2172-25-0x0000000000290000-0x0000000000292000-memory.dmp
            Filesize

            8KB

          • memory/2172-11-0x0000000000680000-0x000000000173A000-memory.dmp
            Filesize

            16.7MB

          • memory/2172-26-0x0000000000290000-0x0000000000292000-memory.dmp
            Filesize

            8KB

          • memory/2172-8-0x0000000000680000-0x000000000173A000-memory.dmp
            Filesize

            16.7MB

          • memory/2172-6-0x0000000000680000-0x000000000173A000-memory.dmp
            Filesize

            16.7MB

          • memory/2172-5-0x0000000000680000-0x000000000173A000-memory.dmp
            Filesize

            16.7MB

          • memory/2172-3-0x0000000000680000-0x000000000173A000-memory.dmp
            Filesize

            16.7MB

          • memory/2172-32-0x0000000000680000-0x000000000173A000-memory.dmp
            Filesize

            16.7MB

          • memory/2172-35-0x0000000000680000-0x000000000173A000-memory.dmp
            Filesize

            16.7MB

          • memory/2172-4-0x0000000000680000-0x000000000173A000-memory.dmp
            Filesize

            16.7MB

          • memory/2172-7-0x0000000000680000-0x000000000173A000-memory.dmp
            Filesize

            16.7MB

          • memory/2172-33-0x0000000000680000-0x000000000173A000-memory.dmp
            Filesize

            16.7MB

          • memory/2172-38-0x0000000000680000-0x000000000173A000-memory.dmp
            Filesize

            16.7MB

          • memory/2172-39-0x0000000000680000-0x000000000173A000-memory.dmp
            Filesize

            16.7MB

          • memory/2172-40-0x0000000000680000-0x000000000173A000-memory.dmp
            Filesize

            16.7MB

          • memory/2172-42-0x0000000000680000-0x000000000173A000-memory.dmp
            Filesize

            16.7MB

          • memory/2172-53-0x00000000003F0000-0x00000000003F2000-memory.dmp
            Filesize

            8KB

          • memory/2172-52-0x0000000000560000-0x0000000000561000-memory.dmp
            Filesize

            4KB

          • memory/2172-54-0x00000000003F0000-0x00000000003F2000-memory.dmp
            Filesize

            8KB

          • memory/2172-55-0x0000000000680000-0x000000000173A000-memory.dmp
            Filesize

            16.7MB

          • memory/2172-58-0x0000000000680000-0x000000000173A000-memory.dmp
            Filesize

            16.7MB

          • memory/2172-59-0x0000000000680000-0x000000000173A000-memory.dmp
            Filesize

            16.7MB

          • memory/2172-61-0x0000000000680000-0x000000000173A000-memory.dmp
            Filesize

            16.7MB

          • memory/2172-65-0x0000000000680000-0x000000000173A000-memory.dmp
            Filesize

            16.7MB

          • memory/2172-69-0x0000000000680000-0x000000000173A000-memory.dmp
            Filesize

            16.7MB

          • memory/2172-0-0x0000000000400000-0x0000000000412000-memory.dmp
            Filesize

            72KB

          • memory/2172-73-0x0000000000680000-0x000000000173A000-memory.dmp
            Filesize

            16.7MB

          • memory/2172-80-0x0000000000680000-0x000000000173A000-memory.dmp
            Filesize

            16.7MB

          • memory/2172-103-0x0000000000400000-0x0000000000412000-memory.dmp
            Filesize

            72KB

          • memory/2172-104-0x0000000000680000-0x000000000173A000-memory.dmp
            Filesize

            16.7MB

          • memory/2172-90-0x0000000000290000-0x0000000000292000-memory.dmp
            Filesize

            8KB