Analysis

  • max time kernel
    28s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    06/12/2024, 17:24

General

  • Target

    46117a497962025224169eb2d5e0a0092570d90dd5654e27fb111f71bd24503eN.dll

  • Size

    120KB

  • MD5

    fa8286fb52d1644dcbdd6531f13dc940

  • SHA1

    fa215dddfc8586de54ef416a6d1b05e29fd5a442

  • SHA256

    46117a497962025224169eb2d5e0a0092570d90dd5654e27fb111f71bd24503e

  • SHA512

    5f58065b4dd87706336083afcad31a736a5e530465c661d1dc4ef11d968f67cfe820718753dc1b3617c3c8e90e5defbf9b10b2f2cf9d7720fe32ce7698c4be37

  • SSDEEP

    1536:LQnAs4x55374/HBDJtIeZBbOkGLy49xbGYNWF+yqEbPogdQBF4proEx:uOeDtIufGLy4SYNWhovWproA

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 16 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 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:1116
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1168
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1236
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\46117a497962025224169eb2d5e0a0092570d90dd5654e27fb111f71bd24503eN.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2160
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\46117a497962025224169eb2d5e0a0092570d90dd5654e27fb111f71bd24503eN.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2684
              • C:\Users\Admin\AppData\Local\Temp\f7663c2.exe
                C:\Users\Admin\AppData\Local\Temp\f7663c2.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:2804
              • C:\Users\Admin\AppData\Local\Temp\f766596.exe
                C:\Users\Admin\AppData\Local\Temp\f766596.exe
                4⤵
                • Executes dropped EXE
                PID:3016
              • C:\Users\Admin\AppData\Local\Temp\f767f2e.exe
                C:\Users\Admin\AppData\Local\Temp\f767f2e.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:2236
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1636

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f7663c2.exe

            Filesize

            97KB

            MD5

            25254b576865eaf327adfd112ded02ea

            SHA1

            a21c2cf8f06cd96d3299a65cb34fd5eb3dae4269

            SHA256

            1c36b6825d723c901763cc604cdcb4a822b561f55aa2836a51531aee5a683f11

            SHA512

            f200b1fbc3d3bb97a5fe076831114faf32cc250879751273bea9d59d40e918944b4a7c10071d06ac9117cf30993c1c0b696cbabf41eea3e569ec12a0f0428cf8

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            310abd0bdb70c9ff75eeb46427546bd1

            SHA1

            df91b80049f7953dad5e27e380e41996bbc459ae

            SHA256

            81f94c93f133725667558f7bdb144636e0983abe69234a7ab5f3b5e626e1aae6

            SHA512

            d6b594a81451a422be072889a3e71830e91e98126cecb6aad37f62502a1c62d168bcd2ee9b470ae309a75b4601d6f4ba9b3b8c93188106705832278ee59efedf

          • memory/1116-30-0x0000000002010000-0x0000000002012000-memory.dmp

            Filesize

            8KB

          • memory/2236-210-0x0000000000A60000-0x0000000001B1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2236-211-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2236-173-0x0000000000A60000-0x0000000001B1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2236-161-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2236-106-0x00000000003B0000-0x00000000003B1000-memory.dmp

            Filesize

            4KB

          • memory/2236-107-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2236-108-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2236-84-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2684-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2684-7-0x0000000000200000-0x0000000000212000-memory.dmp

            Filesize

            72KB

          • memory/2684-13-0x0000000000200000-0x0000000000212000-memory.dmp

            Filesize

            72KB

          • memory/2684-56-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2684-59-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2684-46-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/2684-82-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2684-38-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/2684-37-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2684-74-0x00000000002F0000-0x0000000000302000-memory.dmp

            Filesize

            72KB

          • memory/2684-58-0x0000000000280000-0x0000000000292000-memory.dmp

            Filesize

            72KB

          • memory/2684-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2684-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2684-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2804-69-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-47-0x0000000003D20000-0x0000000003D21000-memory.dmp

            Filesize

            4KB

          • memory/2804-62-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-20-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-17-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-64-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-65-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-66-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-68-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-49-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2804-19-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-57-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2804-21-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-81-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2804-85-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-88-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-90-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-63-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-24-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-23-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-109-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-110-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-14-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-18-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-16-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-22-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-156-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2804-157-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/3016-131-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/3016-162-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3016-99-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/3016-100-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/3016-105-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/3016-61-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB