Analysis

  • max time kernel
    67s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    22-12-2024 01:50

General

  • Target

    26c71a95c23b89b75cea47ac8877c989c7c5f63ddb68846d09e5cb542bcbf957.dll

  • Size

    120KB

  • MD5

    e601f9cd0613f9a62f79d6ab1c3c4740

  • SHA1

    d4543471bf0877142f83594b39da0b6ddcdfcebb

  • SHA256

    26c71a95c23b89b75cea47ac8877c989c7c5f63ddb68846d09e5cb542bcbf957

  • SHA512

    058cf620e2590eb8a3a949b2ee75efd9b1c3fd22ee8ce8a5bf204912753af122da664e5a1f194174c3e113dadc2cc56cfcff4723973ea78d715345ea7d5ce051

  • SSDEEP

    1536:GZQq4WM74TFu2Q6DdfC7Oicg7R4NG0M42Ku8BsKHTxOnWpJWZPU:Gf4WMUM2QqfC7Oicg7R4ol4eqsonWu

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 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 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:1112
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1160
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1200
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\26c71a95c23b89b75cea47ac8877c989c7c5f63ddb68846d09e5cb542bcbf957.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1588
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\26c71a95c23b89b75cea47ac8877c989c7c5f63ddb68846d09e5cb542bcbf957.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2372
              • C:\Users\Admin\AppData\Local\Temp\f768b8d.exe
                C:\Users\Admin\AppData\Local\Temp\f768b8d.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:2488
              • C:\Users\Admin\AppData\Local\Temp\f768d32.exe
                C:\Users\Admin\AppData\Local\Temp\f768d32.exe
                4⤵
                • Executes dropped EXE
                PID:2956
              • C:\Users\Admin\AppData\Local\Temp\f76a747.exe
                C:\Users\Admin\AppData\Local\Temp\f76a747.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:2220
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:836

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f768b8d.exe

            Filesize

            97KB

            MD5

            9044f67c1b21fdb8847ffb6861f3f221

            SHA1

            ffddde00455b42f304fbf942599c02a8f95ea0a7

            SHA256

            4df63bd42fc848c931d2b2ff46b71a38e35c2914096603d695fc3b12dfde8af8

            SHA512

            a8a0b5d917d3e16a58c454c65e34de865e104480a1f4aea27e8dfff1ca83c627b4844595694e75ecb5fdac9a01310ebabe43e2837e8571ee065e70f53bdf087b

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            1e8fcede76b25b9ee3f52abeacb06c87

            SHA1

            960e1192fe4c8095685fed1edf633c403f1fb9de

            SHA256

            cb0f08bdfb4147603f8d6e41ce3694747e84456a8e07699b4fe30fb24057221c

            SHA512

            c2d40d126a60c97057c3ac8ec3831967f405a55b140894591e2c384300c214c4b0aef9e9c35fe44307b3e2aa385f9fd045ce0a560cc3a58fe2ed33a268b2a3ff

          • memory/1112-30-0x00000000002E0000-0x00000000002E2000-memory.dmp

            Filesize

            8KB

          • memory/2220-210-0x0000000000930000-0x00000000019EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2220-211-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2220-179-0x0000000000930000-0x00000000019EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2220-102-0x0000000000370000-0x0000000000371000-memory.dmp

            Filesize

            4KB

          • memory/2220-103-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2220-105-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2220-83-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2372-58-0x00000000001D0000-0x00000000001E2000-memory.dmp

            Filesize

            72KB

          • memory/2372-38-0x0000000000170000-0x0000000000171000-memory.dmp

            Filesize

            4KB

          • memory/2372-212-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2372-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2372-59-0x0000000000160000-0x0000000000162000-memory.dmp

            Filesize

            8KB

          • memory/2372-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2372-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2372-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2372-56-0x0000000000160000-0x0000000000162000-memory.dmp

            Filesize

            8KB

          • memory/2372-12-0x0000000000130000-0x0000000000142000-memory.dmp

            Filesize

            72KB

          • memory/2372-77-0x0000000000160000-0x0000000000162000-memory.dmp

            Filesize

            8KB

          • memory/2372-46-0x0000000000170000-0x0000000000171000-memory.dmp

            Filesize

            4KB

          • memory/2372-81-0x0000000000130000-0x0000000000132000-memory.dmp

            Filesize

            8KB

          • memory/2372-37-0x0000000000160000-0x0000000000162000-memory.dmp

            Filesize

            8KB

          • memory/2488-16-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-89-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-21-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-20-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-62-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-63-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-64-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-66-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-65-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-68-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-69-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-17-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-82-0x0000000002E80000-0x0000000002E82000-memory.dmp

            Filesize

            8KB

          • memory/2488-23-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-47-0x0000000003D20000-0x0000000003D21000-memory.dmp

            Filesize

            4KB

          • memory/2488-85-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-87-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-22-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-19-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-18-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-24-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-14-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-49-0x0000000002E80000-0x0000000002E82000-memory.dmp

            Filesize

            8KB

          • memory/2488-57-0x0000000002E80000-0x0000000002E82000-memory.dmp

            Filesize

            8KB

          • memory/2488-107-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-108-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-110-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-13-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2488-156-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-155-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2956-132-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2956-183-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2956-98-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/2956-61-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2956-104-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2956-106-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB