Analysis

  • max time kernel
    119s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    17-12-2024 10:50

General

  • Target

    38adb659ed0b4c02064b5ff30ec86bcb9c9a5d740e2d09975d8c5f76940dc2dcN.dll

  • Size

    120KB

  • MD5

    247a213bb70e6693ac6b6e52dc075130

  • SHA1

    aba47aa134d27023032440f977cafcc32b7130ff

  • SHA256

    38adb659ed0b4c02064b5ff30ec86bcb9c9a5d740e2d09975d8c5f76940dc2dc

  • SHA512

    1aa40d982a3762c9a926cccd771a82a8447c69ce171a66b68ddc67e2f83f90c7e775ace480afa7bf91cd2b235535c526102720ecf1e549ad216837404952b1c1

  • SSDEEP

    1536:l/P52nsL5HSF1J5IzhUKlCIMABg5pEeawdUKaQfCDzrPde3V9ehz8RtENWtbA:lp2sL52KlmABW9VUKanDPPk3V9GIbt0

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 14 IoCs

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

  • UPX packed file 26 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 45 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1104
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1172
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1200
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\38adb659ed0b4c02064b5ff30ec86bcb9c9a5d740e2d09975d8c5f76940dc2dcN.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2364
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\38adb659ed0b4c02064b5ff30ec86bcb9c9a5d740e2d09975d8c5f76940dc2dcN.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2080
              • C:\Users\Admin\AppData\Local\Temp\f770f1e.exe
                C:\Users\Admin\AppData\Local\Temp\f770f1e.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:2696
              • C:\Users\Admin\AppData\Local\Temp\f7710b3.exe
                C:\Users\Admin\AppData\Local\Temp\f7710b3.exe
                4⤵
                • Executes dropped EXE
                PID:3012
              • C:\Users\Admin\AppData\Local\Temp\f772d96.exe
                C:\Users\Admin\AppData\Local\Temp\f772d96.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:2204
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1324

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            8233d6045d6cfad50db0ea9a759c911b

            SHA1

            0331e9536f8eee8a9bad2e8417ab63fb0579b95f

            SHA256

            f3f596e86fd9aa2a8e7c329b10e4f6e2adf5b4c0ee350013a0055b429e5f4dbf

            SHA512

            84df7f48908d7eb95de4b15a6deff58f0b8bce25bf83312b7d74a9a94d52e23180c84d2a723cea1c3392a4eb1c74b8494111d74af86bf872591f4b574dd0a629

          • \Users\Admin\AppData\Local\Temp\f770f1e.exe

            Filesize

            97KB

            MD5

            4920ffd1905015943bd29271b349166f

            SHA1

            1f3ca4b8dc366f63ab8d0eb33f1a80d5ae27f91a

            SHA256

            5e3b3d4c0f4625232f861d6e749af6e42cbca3959825e5815fac172764a82169

            SHA512

            6f1d7ac69af2d551deddddbb5d0a14225b2a47f3d147bc30b753391ff84744a527d430d81d1296b307eb9c72bb50eb4de117db1687501361b008ab7c4a511bc1

          • memory/1104-29-0x00000000001D0000-0x00000000001D2000-memory.dmp

            Filesize

            8KB

          • memory/2080-37-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2080-9-0x0000000000230000-0x0000000000242000-memory.dmp

            Filesize

            72KB

          • memory/2080-83-0x0000000000230000-0x0000000000232000-memory.dmp

            Filesize

            8KB

          • memory/2080-46-0x00000000002C0000-0x00000000002C1000-memory.dmp

            Filesize

            4KB

          • memory/2080-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2080-38-0x00000000002C0000-0x00000000002C1000-memory.dmp

            Filesize

            4KB

          • memory/2080-58-0x0000000000770000-0x0000000000782000-memory.dmp

            Filesize

            72KB

          • memory/2080-59-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2080-78-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2080-79-0x0000000000820000-0x0000000000832000-memory.dmp

            Filesize

            72KB

          • memory/2080-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2080-80-0x0000000000820000-0x0000000000832000-memory.dmp

            Filesize

            72KB

          • memory/2204-206-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2204-102-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2204-104-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2204-155-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2204-157-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2204-205-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2696-50-0x0000000001710000-0x0000000001712000-memory.dmp

            Filesize

            8KB

          • memory/2696-112-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-17-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

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

            Filesize

            16.7MB

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

            Filesize

            16.7MB

          • memory/2696-64-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-65-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-66-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-67-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-68-0x0000000001710000-0x0000000001712000-memory.dmp

            Filesize

            8KB

          • memory/2696-21-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-11-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2696-47-0x0000000003D20000-0x0000000003D21000-memory.dmp

            Filesize

            4KB

          • memory/2696-22-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

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

            Filesize

            16.7MB

          • memory/2696-86-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

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

            Filesize

            16.7MB

          • memory/2696-18-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-23-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-14-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-20-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-105-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-107-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-109-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-111-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

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

            Filesize

            16.7MB

          • memory/2696-145-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2696-146-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

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

            Filesize

            16.7MB

          • memory/3012-150-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3012-101-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/3012-94-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/3012-95-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/3012-61-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB