Analysis

  • max time kernel
    28s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    21-12-2024 23:46

General

  • Target

    5e61144e2b1aacff3883d750559a1c0a74c4c638a5a88505ac9a1f786ffd417a.dll

  • Size

    120KB

  • MD5

    df75314c9a29d3853fb0eb4bb75b20c3

  • SHA1

    113f5938e74244d82b523b50a8341cc868a76a1c

  • SHA256

    5e61144e2b1aacff3883d750559a1c0a74c4c638a5a88505ac9a1f786ffd417a

  • SHA512

    c94a83179be2314d291ae9ef0f2c62596340bc988b73609432cd6904643c63114409873cdecd7b0cd7101fb89e8ff210fc45c88c62a38037331f2696ef8d22c4

  • SSDEEP

    1536:4cnYeEBkSV0HPMpGaoVXqK+gOdSIwoiGbpQAPsa7Slkb8izjTP8Eqa6aNYlqc5eo:gNBoSGZpgghGbpQIsaelGJTP+IWJ5eo

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 17 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • UPX packed file 25 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 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1084
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1148
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1200
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\5e61144e2b1aacff3883d750559a1c0a74c4c638a5a88505ac9a1f786ffd417a.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2696
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\5e61144e2b1aacff3883d750559a1c0a74c4c638a5a88505ac9a1f786ffd417a.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:3020
              • C:\Users\Admin\AppData\Local\Temp\f76a11f.exe
                C:\Users\Admin\AppData\Local\Temp\f76a11f.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:3068
              • C:\Users\Admin\AppData\Local\Temp\f76a2c5.exe
                C:\Users\Admin\AppData\Local\Temp\f76a2c5.exe
                4⤵
                • Executes dropped EXE
                PID:2736
              • C:\Users\Admin\AppData\Local\Temp\f76bf3a.exe
                C:\Users\Admin\AppData\Local\Temp\f76bf3a.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:2692
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1368

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            f90ade77d4607bf7eb9eb276393bd670

            SHA1

            6318a61a7fc0143c3157d9a5de66016720175c43

            SHA256

            b81b82dec202a10305e982143a82304029031b60c41e9b396f91cfa72f387b0d

            SHA512

            dc7342d39553651d68e74c412d87e4568ccd90b448d6e6cf5758378cbfb4d19f47b286860244bde222a7fff4b8965fa6e239d72cd58cfd6dd2a27e556f808204

          • \Users\Admin\AppData\Local\Temp\f76a11f.exe

            Filesize

            97KB

            MD5

            b8f861329c7bae579739782149c5ee25

            SHA1

            2edf200b897299c7f34c7be4be8a11e981a44aed

            SHA256

            ad4d7b78f55a89634f8cdea0521aece9bfd21f2a57e8875c79086e97db33818e

            SHA512

            21fa1f9ed1fe4aebb6cef137ee1146816aacd298ec2ac977117775609863360cc0140fcb8287848e66c50984acaa2e74b14a3410dc8315685e8051d46cbccb6b

          • memory/1084-32-0x0000000002170000-0x0000000002172000-memory.dmp

            Filesize

            8KB

          • memory/2692-102-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2692-208-0x00000000009B0000-0x0000000001A6A000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-209-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2692-168-0x00000000009B0000-0x0000000001A6A000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-85-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2692-105-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2692-103-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2736-181-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2736-97-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2736-104-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2736-106-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2736-134-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/3020-60-0x00000000001C0000-0x00000000001D2000-memory.dmp

            Filesize

            72KB

          • memory/3020-84-0x0000000000130000-0x0000000000132000-memory.dmp

            Filesize

            8KB

          • memory/3020-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/3020-48-0x00000000001B0000-0x00000000001B1000-memory.dmp

            Filesize

            4KB

          • memory/3020-39-0x00000000001B0000-0x00000000001B1000-memory.dmp

            Filesize

            4KB

          • memory/3020-38-0x0000000000160000-0x0000000000162000-memory.dmp

            Filesize

            8KB

          • memory/3020-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/3020-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/3020-12-0x0000000000130000-0x0000000000142000-memory.dmp

            Filesize

            72KB

          • memory/3020-9-0x0000000000130000-0x0000000000142000-memory.dmp

            Filesize

            72KB

          • memory/3020-61-0x0000000000160000-0x0000000000162000-memory.dmp

            Filesize

            8KB

          • memory/3020-58-0x0000000000160000-0x0000000000162000-memory.dmp

            Filesize

            8KB

          • memory/3020-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/3068-19-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/3068-51-0x0000000000560000-0x0000000000562000-memory.dmp

            Filesize

            8KB

          • memory/3068-65-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/3068-66-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/3068-69-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/3068-70-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/3068-71-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/3068-72-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/3068-63-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/3068-26-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/3068-88-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/3068-89-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/3068-24-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/3068-64-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/3068-25-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/3068-23-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/3068-21-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/3068-18-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/3068-109-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/3068-110-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/3068-17-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/3068-156-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/3068-155-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3068-20-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/3068-14-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3068-22-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/3068-59-0x0000000000560000-0x0000000000562000-memory.dmp

            Filesize

            8KB

          • memory/3068-49-0x0000000002F10000-0x0000000002F11000-memory.dmp

            Filesize

            4KB