Analysis

  • max time kernel
    122s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    30-12-2024 04:06

General

  • Target

    e3f4bae2ec4ab69184cee811798d47ea1198fe82256168770226ffcf17fd7f2f.dll

  • Size

    120KB

  • MD5

    806c2e5ad1d33966860efac41cf26b98

  • SHA1

    7162c42123bba550cc31fd3ff71059a8bfcda30a

  • SHA256

    e3f4bae2ec4ab69184cee811798d47ea1198fe82256168770226ffcf17fd7f2f

  • SHA512

    2f886f80e83014ba707774d82eb2d4ed4aaa1f33bdd8f7e3b58ee8e98676221c1293f9772e4868b2d05708b7b7279fbd4d37d2194de487206e0e79e597ebc835

  • SSDEEP

    3072:wV6ao2hrk3SiPf9BqIDObIyRl3+yBZlt3pyn:zabhrkjf6ISPRZfBZl9s

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 12 IoCs

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

  • UPX packed file 24 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:1076
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1168
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1208
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\e3f4bae2ec4ab69184cee811798d47ea1198fe82256168770226ffcf17fd7f2f.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2584
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\e3f4bae2ec4ab69184cee811798d47ea1198fe82256168770226ffcf17fd7f2f.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2384
              • C:\Users\Admin\AppData\Local\Temp\f76b2cb.exe
                C:\Users\Admin\AppData\Local\Temp\f76b2cb.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:2528
              • C:\Users\Admin\AppData\Local\Temp\f76b480.exe
                C:\Users\Admin\AppData\Local\Temp\f76b480.exe
                4⤵
                • Executes dropped EXE
                PID:2632
              • C:\Users\Admin\AppData\Local\Temp\f76ceb4.exe
                C:\Users\Admin\AppData\Local\Temp\f76ceb4.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:2736
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1800

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            3b04f4ed84281aec45d2b509b499737b

            SHA1

            f597691e2331981f288919b5e93d51cbe31f2c75

            SHA256

            994ff3c51f17132b37d75684354ac0ed51d9aa0b5dd6d3b9ff06de839664c31e

            SHA512

            cd24ee998709677ccee9d2b892f49c35a12d397cfcd64524cf7b996415487fd92923b391a0b5266439545fd39d44e84412683c528cd1f11395f97e3ab2400bfa

          • \Users\Admin\AppData\Local\Temp\f76b2cb.exe

            Filesize

            97KB

            MD5

            11607b722cbf9972288637eed43ea700

            SHA1

            b3f493d0bf9be6b914868da51913c5f8e8d2fe3d

            SHA256

            129f8c073efc44e4cb3b183ef9e57117a66b48227e04be6460b0c0939f498a2e

            SHA512

            7affce8b20b626f8d640ae243d1cce5304811a5cd69f7373459aad2b6827f98bbfafaca1135e886e50e106fe1414f7119a4136490b40ed4ebfb4d7718d01c891

          • memory/1076-28-0x0000000001F00000-0x0000000001F02000-memory.dmp

            Filesize

            8KB

          • memory/2384-8-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2384-74-0x0000000000320000-0x0000000000332000-memory.dmp

            Filesize

            72KB

          • memory/2384-75-0x0000000000320000-0x0000000000332000-memory.dmp

            Filesize

            72KB

          • memory/2384-77-0x0000000000190000-0x0000000000192000-memory.dmp

            Filesize

            8KB

          • memory/2384-79-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2384-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2384-46-0x00000000001E0000-0x00000000001E1000-memory.dmp

            Filesize

            4KB

          • memory/2384-36-0x0000000000190000-0x0000000000192000-memory.dmp

            Filesize

            8KB

          • memory/2384-37-0x00000000001E0000-0x00000000001E1000-memory.dmp

            Filesize

            4KB

          • memory/2384-57-0x0000000000190000-0x0000000000192000-memory.dmp

            Filesize

            8KB

          • memory/2384-59-0x00000000001F0000-0x0000000000202000-memory.dmp

            Filesize

            72KB

          • memory/2384-60-0x0000000000190000-0x0000000000192000-memory.dmp

            Filesize

            8KB

          • memory/2528-63-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2528-81-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2528-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2528-47-0x0000000000560000-0x0000000000561000-memory.dmp

            Filesize

            4KB

          • memory/2528-49-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2528-50-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2528-22-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2528-16-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2528-20-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2528-19-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2528-62-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2528-18-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2528-64-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2528-65-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2528-14-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2528-15-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2528-76-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2528-17-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2528-12-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2528-21-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2528-82-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2528-84-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2528-147-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2528-146-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2528-110-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2528-107-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2528-106-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2528-105-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2632-94-0x0000000000280000-0x0000000000281000-memory.dmp

            Filesize

            4KB

          • memory/2632-95-0x0000000000270000-0x0000000000272000-memory.dmp

            Filesize

            8KB

          • memory/2632-101-0x0000000000270000-0x0000000000272000-memory.dmp

            Filesize

            8KB

          • memory/2632-118-0x0000000000270000-0x0000000000272000-memory.dmp

            Filesize

            8KB

          • memory/2632-151-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2632-61-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2736-127-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

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

            Filesize

            8KB

          • memory/2736-102-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2736-176-0x0000000000900000-0x00000000019BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2736-204-0x0000000000900000-0x00000000019BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2736-203-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB