Analysis

  • max time kernel
    27s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    26-12-2024 14:48

General

  • Target

    aea803ece476d8d1781cf12a2656a0226af4dcc3e67ba05060f396e5c4c5a8bbN.dll

  • Size

    120KB

  • MD5

    fd669af002d515fbbf03f35205004a90

  • SHA1

    2962f9790cc5a7c07fcb4e36cf1ea03f75b3715c

  • SHA256

    aea803ece476d8d1781cf12a2656a0226af4dcc3e67ba05060f396e5c4c5a8bb

  • SHA512

    b38f6a06f5e6c3e076c6e59ac654749e5eb167d74da42904faaac5ca70b1000dc8c73057307c15e1f659dfded49b71b863198de6cb9798cc2e3f717ad4138296

  • SSDEEP

    1536:czCgMmcJ+dM4Ub8O6mhf7lbVnunb79GRmFfuqU+oNlUokkMFmZDDz:yxcaMODmt7FVulGRmBuqaUo+FWD

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 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 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:1096
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1152
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1184
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\aea803ece476d8d1781cf12a2656a0226af4dcc3e67ba05060f396e5c4c5a8bbN.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2592
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\aea803ece476d8d1781cf12a2656a0226af4dcc3e67ba05060f396e5c4c5a8bbN.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2596
              • C:\Users\Admin\AppData\Local\Temp\f76af91.exe
                C:\Users\Admin\AppData\Local\Temp\f76af91.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:2944
              • C:\Users\Admin\AppData\Local\Temp\f76b145.exe
                C:\Users\Admin\AppData\Local\Temp\f76b145.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
                • Suspicious use of WriteProcessMemory
                • System policy modification
                PID:1636
              • C:\Users\Admin\AppData\Local\Temp\f76cb79.exe
                C:\Users\Admin\AppData\Local\Temp\f76cb79.exe
                4⤵
                • Executes dropped EXE
                PID:2024
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1228

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f76af91.exe

            Filesize

            97KB

            MD5

            7f54fb96504c45ed801f87d14dc4c3d4

            SHA1

            ea9febee4ead1281f92c967f43c3944ad4966c2e

            SHA256

            a954c5b6591ea11ed6bc9c85fca7bc8a42f54ecb6440c27485efca613ab64f7a

            SHA512

            aa4d59c79a2686282bafa87a914c41708e04f424f9f4891490eca7b9f8ddb25ba02263cb5a74164e3a6d0de2b70c9d21b0dfa53aea7073ec1f3b3b0cbabb1dcc

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            238a9bc61260567370be5cbff6da0d3b

            SHA1

            9a9f906b60c38b384dd225cdde7c2c8b399e3b5c

            SHA256

            a1e9e2f289c76518fd00b0c22eedecf7a77faf872d47e9c10ec530f3515875dd

            SHA512

            4d48d1c5cd0bb88d87e8c52198fba1d3ccdfa3d69112e604744622a14722bae6316230a998dc0b5a11b6cf345181265e530c7f8e40173d19d546f0a270b616bf

          • memory/1096-30-0x0000000000410000-0x0000000000412000-memory.dmp

            Filesize

            8KB

          • memory/1636-197-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1636-172-0x0000000000900000-0x00000000019BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1636-196-0x0000000000900000-0x00000000019BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1636-137-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/1636-113-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/1636-103-0x0000000000240000-0x0000000000241000-memory.dmp

            Filesize

            4KB

          • memory/2024-201-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2024-138-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2024-112-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2024-114-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2024-85-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2596-65-0x0000000000230000-0x0000000000232000-memory.dmp

            Filesize

            8KB

          • memory/2596-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2596-50-0x0000000000240000-0x0000000000241000-memory.dmp

            Filesize

            4KB

          • memory/2596-4-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2596-40-0x0000000000230000-0x0000000000232000-memory.dmp

            Filesize

            8KB

          • memory/2596-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2596-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2596-12-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2596-41-0x0000000000240000-0x0000000000241000-memory.dmp

            Filesize

            4KB

          • memory/2596-83-0x00000000003C0000-0x00000000003D2000-memory.dmp

            Filesize

            72KB

          • memory/2596-64-0x00000000003A0000-0x00000000003B2000-memory.dmp

            Filesize

            72KB

          • memory/2596-63-0x0000000000230000-0x0000000000232000-memory.dmp

            Filesize

            8KB

          • memory/2944-72-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2944-22-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2944-58-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2944-67-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2944-69-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2944-68-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2944-71-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2944-51-0x0000000003D20000-0x0000000003D21000-memory.dmp

            Filesize

            4KB

          • memory/2944-53-0x0000000003CD0000-0x0000000003CD2000-memory.dmp

            Filesize

            8KB

          • memory/2944-20-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2944-86-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2944-88-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2944-91-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2944-57-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2944-17-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2944-21-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2944-16-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2944-93-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2944-14-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2944-19-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2944-158-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2944-157-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2944-13-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2944-24-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2944-18-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2944-54-0x0000000003CD0000-0x0000000003CD2000-memory.dmp

            Filesize

            8KB

          • memory/2944-23-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB