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Analysis

  • max time kernel
    118s
  • 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, 00:35

General

  • Target

    4ac34f3c1ad9100f352aa94793761ec7831796f9e852043f9dfc059b5812acc4.dll

  • Size

    120KB

  • MD5

    df124f0f8532f7f6e2c47b07cc450515

  • SHA1

    850e908dc553e413a21f105f755dc428b8431087

  • SHA256

    4ac34f3c1ad9100f352aa94793761ec7831796f9e852043f9dfc059b5812acc4

  • SHA512

    8bf481b02c4ba7da866f8414b41c3a7f7848f32dcf3e6044fff5dda97ad9ff60d5384bce647cf2737beb536f132c43a833fb6b0b59a20e298f0ff03a14bcf959

  • SSDEEP

    1536:9+XAVGqWLB9T5FaxTxAhe7YV0ChBAYp1TWhzHM3R+ba/Lcla2BTZPRNTvqH:9+XAt0rLAAe7YV0ChBbdWVSgFPRNjqH

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 23 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 30 IoCs
  • Suspicious use of WriteProcessMemory 34 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\Dwm.exe
    "C:\Windows\system32\Dwm.exe"
    1⤵
      PID:1048
    • C:\Windows\system32\taskhost.exe
      "taskhost.exe"
      1⤵
        PID:1076
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1152
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\4ac34f3c1ad9100f352aa94793761ec7831796f9e852043f9dfc059b5812acc4.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2696
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\4ac34f3c1ad9100f352aa94793761ec7831796f9e852043f9dfc059b5812acc4.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2420
              • C:\Users\Admin\AppData\Local\Temp\f769aaa.exe
                C:\Users\Admin\AppData\Local\Temp\f769aaa.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:1740
              • C:\Users\Admin\AppData\Local\Temp\f769c6e.exe
                C:\Users\Admin\AppData\Local\Temp\f769c6e.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 Location Discovery: System Language Discovery
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • System policy modification
                PID:1788
              • C:\Users\Admin\AppData\Local\Temp\f76b673.exe
                C:\Users\Admin\AppData\Local\Temp\f76b673.exe
                4⤵
                • Executes dropped EXE
                PID:2216
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1516

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            b75a5d83301866e497800b2d93101421

            SHA1

            bfd860f5756afbc81b2f94a6694e120eefcc4c2f

            SHA256

            e9022308155dec51048caccbf858368ec2c6c7da6adf7e32e965d7f270ea7428

            SHA512

            753295582ac31d61429a424b60a98dfaf7a13535370c40b7ed0e39fd75fe0c99f9123b02ac53e29fd220ef05dfb39192c235363ad6ec983cefc3d12c0e4ce835

          • \Users\Admin\AppData\Local\Temp\f769aaa.exe

            Filesize

            97KB

            MD5

            f368a0afab4f46850bce955f3b8287f7

            SHA1

            f804ace0e5ab8d1432f9a52c9bedc27ee9e18967

            SHA256

            09f80b2794632687fdf33a28b09d2fad179c2bff086c5dce27990f53ecf834d7

            SHA512

            65cd857ffa2e8be15c494e5047b8b77eb94f7244d0b29536ac6557ea43d820503fedd0d9fd13bc59b353b0ef78bd8c46d25dc2b16bd6d19d12ea7436b9937120

          • memory/1048-31-0x0000000001F20000-0x0000000001F22000-memory.dmp

            Filesize

            8KB

          • memory/1740-91-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/1740-68-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/1740-86-0x00000000002B0000-0x00000000002B2000-memory.dmp

            Filesize

            8KB

          • memory/1740-88-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/1740-17-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/1740-19-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/1740-23-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/1740-22-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/1740-24-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/1740-53-0x00000000002B0000-0x00000000002B2000-memory.dmp

            Filesize

            8KB

          • memory/1740-72-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/1740-158-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1740-159-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/1740-71-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/1740-51-0x00000000003D0000-0x00000000003D1000-memory.dmp

            Filesize

            4KB

          • memory/1740-67-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/1740-66-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/1740-69-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/1740-92-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/1740-21-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/1740-20-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/1740-25-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/1740-16-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/1740-18-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/1740-13-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1740-87-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/1740-65-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/1788-112-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1788-104-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/1788-133-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1788-64-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1788-183-0x0000000000950000-0x0000000001A0A000-memory.dmp

            Filesize

            16.7MB

          • memory/1788-189-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2216-116-0x0000000000270000-0x0000000000272000-memory.dmp

            Filesize

            8KB

          • memory/2216-113-0x0000000000280000-0x0000000000281000-memory.dmp

            Filesize

            4KB

          • memory/2216-193-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2216-85-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2420-41-0x00000000001F0000-0x00000000001F1000-memory.dmp

            Filesize

            4KB

          • memory/2420-5-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2420-40-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/2420-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2420-50-0x00000000001F0000-0x00000000001F1000-memory.dmp

            Filesize

            4KB

          • memory/2420-60-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/2420-62-0x0000000000200000-0x0000000000212000-memory.dmp

            Filesize

            72KB

          • memory/2420-63-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/2420-6-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2420-11-0x0000000000100000-0x0000000000112000-memory.dmp

            Filesize

            72KB

          • memory/2420-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2420-84-0x0000000000100000-0x0000000000102000-memory.dmp

            Filesize

            8KB