Analysis

  • max time kernel
    27s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    16/12/2024, 22:44

General

  • Target

    c66ce9fa938ca7567430f862433bd6141940b9d3c860d86a296bb85d9f51cfbaN.dll

  • Size

    120KB

  • MD5

    523cdf00d35370601ace07124bcc1b30

  • SHA1

    9f2561b12a5e20e4c357eb886e072c54b912e995

  • SHA256

    c66ce9fa938ca7567430f862433bd6141940b9d3c860d86a296bb85d9f51cfba

  • SHA512

    c00b33a70a43e23edcd171060c2d7af9e23b4aef5036fd722c0c6e92f2af3f7bf3b2d2d0616ea43f7a8a4e8ed5c15505215f8b2f77961efd6a64823649399b21

  • SSDEEP

    3072:pGNRBY4fRCrIXNeImmWxRgf+ebME8S8rBZqaS:IXa45wE+HE8S8rBZf

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 9 IoCs
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • Sality family
  • UAC bypass 3 TTPs 3 IoCs
  • Windows security bypass 2 TTPs 18 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • Windows security modification 2 TTPs 21 IoCs
  • Checks whether UAC is enabled 1 TTPs 3 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 4 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 42 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs
  • System policy modification 1 TTPs 3 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1120
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1180
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1236
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\c66ce9fa938ca7567430f862433bd6141940b9d3c860d86a296bb85d9f51cfbaN.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1744
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\c66ce9fa938ca7567430f862433bd6141940b9d3c860d86a296bb85d9f51cfbaN.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1688
              • C:\Users\Admin\AppData\Local\Temp\f77ea01.exe
                C:\Users\Admin\AppData\Local\Temp\f77ea01.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:1084
              • C:\Users\Admin\AppData\Local\Temp\f77ebb6.exe
                C:\Users\Admin\AppData\Local\Temp\f77ebb6.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 policy modification
                PID:2664
              • C:\Users\Admin\AppData\Local\Temp\f7805da.exe
                C:\Users\Admin\AppData\Local\Temp\f7805da.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:2176
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:828

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

                • C:\Users\Admin\AppData\Local\Temp\f77ea01.exe

                  Filesize

                  97KB

                  MD5

                  13a9c599943ad7bb135de843dcffc812

                  SHA1

                  bf56782f866ab455a52ac3f7768f8291c0f588c4

                  SHA256

                  78012fe934b7c76515b6eab1867941c794a670375f5500b822735da6a30de12d

                  SHA512

                  64b86b62f6d748e4f23e8cdece49b221a9b112dae1064fd93b98aa66522fcbe7c2346e4380eb5751312b8c45270eeb59c0cf3c0ba546c8945aa403d8083dbfce

                • C:\Windows\SYSTEM.INI

                  Filesize

                  257B

                  MD5

                  ff3328c1a00073d0be16445f0c48d0f9

                  SHA1

                  e78c8a87cca7e452820751f4e414200fd59362ef

                  SHA256

                  fb3ab23e4bd2848e9460d4369ee0bf53d29353998be1c364e748723a340ca7e0

                  SHA512

                  b6696ffe689ac6aa7ef704233e3e79355d5f64028a47e719e4d8c3d0660ca530607e0243b1b39c695b867c93b16c10c39908ae3b5dac88539c1ee845c83869e3

                • memory/1084-83-0x0000000000660000-0x000000000171A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/1084-61-0x0000000000660000-0x000000000171A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/1084-154-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/1084-17-0x0000000000660000-0x000000000171A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/1084-14-0x0000000000660000-0x000000000171A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/1084-22-0x0000000000660000-0x000000000171A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/1084-16-0x0000000000660000-0x000000000171A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/1084-23-0x0000000000660000-0x000000000171A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/1084-48-0x00000000003F0000-0x00000000003F2000-memory.dmp

                  Filesize

                  8KB

                • memory/1084-107-0x0000000000660000-0x000000000171A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/1084-87-0x0000000000660000-0x000000000171A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/1084-82-0x0000000000660000-0x000000000171A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/1084-155-0x0000000000660000-0x000000000171A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/1084-66-0x0000000000660000-0x000000000171A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/1084-86-0x0000000000660000-0x000000000171A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/1084-81-0x00000000003F0000-0x00000000003F2000-memory.dmp

                  Filesize

                  8KB

                • memory/1084-67-0x0000000000660000-0x000000000171A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/1084-63-0x0000000000660000-0x000000000171A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/1084-19-0x0000000000660000-0x000000000171A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/1084-18-0x0000000000660000-0x000000000171A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/1084-15-0x0000000000660000-0x000000000171A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/1084-21-0x0000000000660000-0x000000000171A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/1084-20-0x0000000000660000-0x000000000171A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/1084-60-0x0000000000660000-0x000000000171A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/1084-46-0x0000000001860000-0x0000000001861000-memory.dmp

                  Filesize

                  4KB

                • memory/1084-62-0x0000000000660000-0x000000000171A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/1120-25-0x0000000001F00000-0x0000000001F02000-memory.dmp

                  Filesize

                  8KB

                • memory/1688-56-0x0000000000170000-0x0000000000182000-memory.dmp

                  Filesize

                  72KB

                • memory/1688-0-0x0000000010000000-0x0000000010020000-memory.dmp

                  Filesize

                  128KB

                • memory/1688-33-0x0000000000160000-0x0000000000161000-memory.dmp

                  Filesize

                  4KB

                • memory/1688-32-0x0000000000150000-0x0000000000152000-memory.dmp

                  Filesize

                  8KB

                • memory/1688-79-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/1688-45-0x0000000000160000-0x0000000000161000-memory.dmp

                  Filesize

                  4KB

                • memory/1688-55-0x0000000000150000-0x0000000000152000-memory.dmp

                  Filesize

                  8KB

                • memory/1688-1-0x0000000010000000-0x0000000010020000-memory.dmp

                  Filesize

                  128KB

                • memory/1688-57-0x0000000000150000-0x0000000000152000-memory.dmp

                  Filesize

                  8KB

                • memory/1688-10-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/1688-9-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2176-80-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2176-105-0x0000000000260000-0x0000000000262000-memory.dmp

                  Filesize

                  8KB

                • memory/2176-104-0x0000000000260000-0x0000000000262000-memory.dmp

                  Filesize

                  8KB

                • memory/2176-103-0x00000000002B0000-0x00000000002B1000-memory.dmp

                  Filesize

                  4KB

                • memory/2176-229-0x0000000000940000-0x00000000019FA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2176-230-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2176-193-0x0000000000940000-0x00000000019FA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2664-101-0x00000000001F0000-0x00000000001F2000-memory.dmp

                  Filesize

                  8KB

                • memory/2664-96-0x00000000002C0000-0x00000000002C1000-memory.dmp

                  Filesize

                  4KB

                • memory/2664-178-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2664-174-0x0000000000910000-0x00000000019CA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2664-100-0x00000000001F0000-0x00000000001F2000-memory.dmp

                  Filesize

                  8KB

                • memory/2664-124-0x00000000001F0000-0x00000000001F2000-memory.dmp

                  Filesize

                  8KB

                • memory/2664-59-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB