Analysis

  • max time kernel
    69s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    22-12-2024 15:51

General

  • Target

    4b1bc6d04438074d9004e00d56af6bdd4f763ac1a0f520c3b6f4b7d1801c37acN.dll

  • Size

    120KB

  • MD5

    58ed33e7c4543063f555a94897f8f370

  • SHA1

    18a4e09496a70e0ff2ecbfe46959ebdb3f26d29c

  • SHA256

    4b1bc6d04438074d9004e00d56af6bdd4f763ac1a0f520c3b6f4b7d1801c37ac

  • SHA512

    64447b2dde69cf27059ff3c473cff0340074fc6522fc0c517912f536ef95ef8f0e36cd3f79555708298e6473fb088175aa19ed1fef3f5eeeb2b2badc2321a11d

  • SSDEEP

    3072:9Desm00b7D3uMema1OVWRyYbXuB8Is9902zN8oPbG5R:9y0avcOVW0H8DWoPbSR

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 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 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:1112
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1164
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1200
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\4b1bc6d04438074d9004e00d56af6bdd4f763ac1a0f520c3b6f4b7d1801c37acN.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2392
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\4b1bc6d04438074d9004e00d56af6bdd4f763ac1a0f520c3b6f4b7d1801c37acN.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2396
              • C:\Users\Admin\AppData\Local\Temp\f770f4c.exe
                C:\Users\Admin\AppData\Local\Temp\f770f4c.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:1524
              • C:\Users\Admin\AppData\Local\Temp\f77115f.exe
                C:\Users\Admin\AppData\Local\Temp\f77115f.exe
                4⤵
                • Executes dropped EXE
                PID:2632
              • C:\Users\Admin\AppData\Local\Temp\f772b35.exe
                C:\Users\Admin\AppData\Local\Temp\f772b35.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:2668
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1500

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            fed924003a0c7b75bb6f62d90070f264

            SHA1

            7f3bd7040421d6bc8bc84b4ade7fadef24a7ffee

            SHA256

            e5916e96c7445560357b4d581aab4714ebeffc16aa8f79821d2975130cd19627

            SHA512

            b0a7f1bcfde9a3c9b01c72ca5e2644d9fe00e203b8c60937a2ffecb69873d87d36219b5dc663a6c5ea36448fea89a87bc1cbc9187c5c804ccf9b3566f77f54a4

          • \Users\Admin\AppData\Local\Temp\f770f4c.exe

            Filesize

            97KB

            MD5

            5f4efe687a63b71e499202b4204eb77a

            SHA1

            dfd66f36a2eafa06a22eab5cfa8742a33a1cd6e9

            SHA256

            2b349a5ee575c48887cb8a6f86f6b7cafef42ef62d8ced904db7e861e56394f8

            SHA512

            8e3cd9cc47f5803edd0390cfb22d8652c6a017f4e130f5daeb78ff9a110a7072072b05603ace42d3023f27cb6ba81c07d1b1214043e38ee62d8f21d1bd3c9c87

          • memory/1112-30-0x00000000020F0000-0x00000000020F2000-memory.dmp

            Filesize

            8KB

          • memory/1524-88-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1524-14-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1524-157-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1524-65-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1524-64-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1524-19-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1524-21-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1524-23-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1524-22-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1524-24-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1524-20-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1524-16-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1524-18-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1524-156-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1524-50-0x0000000000300000-0x0000000000302000-memory.dmp

            Filesize

            8KB

          • memory/1524-93-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1524-53-0x0000000000300000-0x0000000000302000-memory.dmp

            Filesize

            8KB

          • memory/1524-90-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1524-86-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1524-71-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1524-70-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1524-48-0x00000000003D0000-0x00000000003D1000-memory.dmp

            Filesize

            4KB

          • memory/1524-68-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1524-67-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1524-66-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1524-17-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1524-12-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2396-40-0x00000000001F0000-0x00000000001F1000-memory.dmp

            Filesize

            4KB

          • memory/2396-9-0x0000000000130000-0x0000000000142000-memory.dmp

            Filesize

            72KB

          • memory/2396-49-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/2396-52-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/2396-42-0x00000000001F0000-0x00000000001F1000-memory.dmp

            Filesize

            4KB

          • memory/2396-85-0x0000000000130000-0x0000000000132000-memory.dmp

            Filesize

            8KB

          • memory/2396-81-0x0000000000240000-0x0000000000252000-memory.dmp

            Filesize

            72KB

          • memory/2396-39-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/2396-62-0x0000000000240000-0x0000000000252000-memory.dmp

            Filesize

            72KB

          • memory/2396-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2396-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2396-10-0x0000000000130000-0x0000000000142000-memory.dmp

            Filesize

            72KB

          • memory/2396-80-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/2396-61-0x0000000000240000-0x0000000000252000-memory.dmp

            Filesize

            72KB

          • memory/2632-105-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2632-104-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2632-133-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2632-63-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2632-111-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2668-112-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2668-214-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2668-114-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2668-173-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2668-213-0x0000000000930000-0x00000000019EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2668-172-0x0000000000930000-0x00000000019EA000-memory.dmp

            Filesize

            16.7MB