Analysis

  • max time kernel
    75s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    17-12-2024 02:34

General

  • Target

    92de4d5d7efb58142cae663b976f015ea1c4fbfd990ec6e26cf1586fc28a76adN.dll

  • Size

    120KB

  • MD5

    dc867423b24ccd3d397dcae64fedb900

  • SHA1

    fea8a406933ef82a40a3f69b33d3a18e7f773b04

  • SHA256

    92de4d5d7efb58142cae663b976f015ea1c4fbfd990ec6e26cf1586fc28a76ad

  • SHA512

    620768524b5ba72205d8ca5159b568ec42a1bf34fae5dbf70a8528ef81c4a219aec4dea526de96db3a12461159be2a4bd465e3a29a291dadbf56cb510345cbae

  • SSDEEP

    3072:rhVihrNh3l/uOBUloF/iyCFSwTPFixJfeihh/Gb:rTIll/u+U0i7FFMJXhh

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.

  • Sality family
  • UAC bypass 3 TTPs 2 IoCs
  • Windows security bypass 2 TTPs 12 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • 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.

  • UPX packed file 22 IoCs

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

  • Drops file in Windows directory 3 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 23 IoCs
  • Suspicious use of WriteProcessMemory 34 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1116
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1176
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1268
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\92de4d5d7efb58142cae663b976f015ea1c4fbfd990ec6e26cf1586fc28a76adN.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1600
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\92de4d5d7efb58142cae663b976f015ea1c4fbfd990ec6e26cf1586fc28a76adN.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2668
              • C:\Users\Admin\AppData\Local\Temp\f76ef5e.exe
                C:\Users\Admin\AppData\Local\Temp\f76ef5e.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
                • System Location Discovery: System Language Discovery
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                • System policy modification
                PID:2732
              • C:\Users\Admin\AppData\Local\Temp\f76f0f4.exe
                C:\Users\Admin\AppData\Local\Temp\f76f0f4.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:2088
              • C:\Users\Admin\AppData\Local\Temp\f770b08.exe
                C:\Users\Admin\AppData\Local\Temp\f770b08.exe
                4⤵
                • Executes dropped EXE
                PID:2152
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1312

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            db20c11bf7656c1646108c007442ae90

            SHA1

            aef03a339f4b348d5f8acefab99f91f13e4d0f83

            SHA256

            7784da907402e28b97298bbb42de861a4c8360e9147c770212b0bc7df71ddcca

            SHA512

            408847b7d23b46f3f664c58fa90148508bcc68cb3cf9d2f3c0ec93ce4eed91ca45198e07287e21a54f5358e84208f1270b26ab3532f3d8c21e85cf6df968a4d6

          • \Users\Admin\AppData\Local\Temp\f76ef5e.exe

            Filesize

            97KB

            MD5

            691b7eb8a57178d7b59cefa2b5c2e8ef

            SHA1

            44bc1dfe9d299222f941dd624931654a29f12a17

            SHA256

            c0d28389550d827c08c5b63a8232a39b2d506e867dd3054797d7f35be5f41796

            SHA512

            64a256c47325db9b401b90e89d85369c623603fbe674078f1dc77ebdca9d307ef3e574db7687c4e2d21b6ce99d91cf89e09ddcc3929229985e732a2c7f75ffa4

          • memory/1116-31-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/2088-180-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2088-109-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2088-187-0x0000000000920000-0x00000000019DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2088-181-0x0000000000920000-0x00000000019DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2088-102-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2088-63-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2088-101-0x0000000000330000-0x0000000000331000-memory.dmp

            Filesize

            4KB

          • memory/2088-136-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2152-112-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2152-110-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/2152-186-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2152-111-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2152-182-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2668-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2668-83-0x0000000000310000-0x0000000000322000-memory.dmp

            Filesize

            72KB

          • memory/2668-12-0x00000000001E0000-0x00000000001F2000-memory.dmp

            Filesize

            72KB

          • memory/2668-48-0x00000000002E0000-0x00000000002E1000-memory.dmp

            Filesize

            4KB

          • memory/2668-40-0x00000000002E0000-0x00000000002E1000-memory.dmp

            Filesize

            4KB

          • memory/2668-39-0x0000000000200000-0x0000000000202000-memory.dmp

            Filesize

            8KB

          • memory/2668-7-0x00000000001E0000-0x00000000001F2000-memory.dmp

            Filesize

            72KB

          • memory/2668-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2668-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2668-61-0x00000000002F0000-0x0000000000302000-memory.dmp

            Filesize

            72KB

          • memory/2668-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2668-62-0x0000000000200000-0x0000000000202000-memory.dmp

            Filesize

            8KB

          • memory/2668-80-0x0000000000200000-0x0000000000202000-memory.dmp

            Filesize

            8KB

          • memory/2668-82-0x0000000000310000-0x0000000000322000-memory.dmp

            Filesize

            72KB

          • memory/2732-22-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2732-67-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2732-68-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2732-70-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2732-71-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2732-66-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2732-65-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2732-84-0x0000000001710000-0x0000000001712000-memory.dmp

            Filesize

            8KB

          • memory/2732-64-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2732-87-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2732-89-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2732-90-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2732-25-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2732-21-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2732-23-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2732-49-0x0000000003E20000-0x0000000003E21000-memory.dmp

            Filesize

            4KB

          • memory/2732-50-0x0000000001710000-0x0000000001712000-memory.dmp

            Filesize

            8KB

          • memory/2732-52-0x0000000001710000-0x0000000001712000-memory.dmp

            Filesize

            8KB

          • memory/2732-24-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2732-162-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2732-161-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2732-20-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2732-19-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2732-18-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2732-15-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2732-17-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2732-14-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB