Analysis

  • max time kernel
    26s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    11-12-2024 05:33

General

  • Target

    c3a675b83f0deb247cd4bf59a8cbdc4e374077435d23a709ebd65c1d7f175b3f.dll

  • Size

    120KB

  • MD5

    cf076a97df300d285f2d4e7516a4ec60

  • SHA1

    caa2090017536c0f7594801c66b103d3e1b700b5

  • SHA256

    c3a675b83f0deb247cd4bf59a8cbdc4e374077435d23a709ebd65c1d7f175b3f

  • SHA512

    ac9f2ff27b7664986b9d750cc4a12be3338aba1d174eb2adfac887e5712d1cc46011813e153813a0e4399afba29447e2b49b64f77d75a653ae18f8272f89784a

  • SSDEEP

    1536:0I7o6tfzcbS8r8DMlsCBDM4kUeJSvtnrlIvAXSAARye0A3+YgfRMiFQNvua:0WcbJ8DGhBoZp+nrlRX/ARL3+Yg5Uvua

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 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 43 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1060
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1132
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1192
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\c3a675b83f0deb247cd4bf59a8cbdc4e374077435d23a709ebd65c1d7f175b3f.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2324
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\c3a675b83f0deb247cd4bf59a8cbdc4e374077435d23a709ebd65c1d7f175b3f.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1100
              • C:\Users\Admin\AppData\Local\Temp\f769492.exe
                C:\Users\Admin\AppData\Local\Temp\f769492.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:1892
              • C:\Users\Admin\AppData\Local\Temp\f769647.exe
                C:\Users\Admin\AppData\Local\Temp\f769647.exe
                4⤵
                • Executes dropped EXE
                PID:2680
              • C:\Users\Admin\AppData\Local\Temp\f76b00d.exe
                C:\Users\Admin\AppData\Local\Temp\f76b00d.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:2544
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1572

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            3610ceee9ecc59588f267da16159df33

            SHA1

            e711ffa4968219cebb05ef385585d8107a8f77c9

            SHA256

            2eaff17784d29aa72affc68e3d23ad058a8a69f87434e78b65b0d1546308787e

            SHA512

            adc670d8efe63ecf7fae57095d9e6afdef9efd34084093dd98adb02f06b9acf5220bf91ba3fe494abda9d16d5d0e35c841b1691c47bf4680510c39ab8fc4292c

          • \Users\Admin\AppData\Local\Temp\f769492.exe

            Filesize

            97KB

            MD5

            8e9c008d2f27e9ca72109f0d336591f3

            SHA1

            f384e682c729b136a67fb9a5c4e2c2b86a33381b

            SHA256

            07f943967e502e0cc192d712182fb41d02ee91e10fcca1d09216394f1c0aaaa2

            SHA512

            06ad75d172ddcf69e11b9dbad699c493194ccbc0bec305f2e6e5ad92d59c02e9f76d088963f7fbadb46a21cd8ea5edc76e5d5a5dbb77701e0c7f8f9be2dad4ab

          • memory/1060-27-0x0000000000210000-0x0000000000212000-memory.dmp

            Filesize

            8KB

          • memory/1100-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1100-48-0x0000000000170000-0x0000000000171000-memory.dmp

            Filesize

            4KB

          • memory/1100-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1100-12-0x0000000000130000-0x0000000000142000-memory.dmp

            Filesize

            72KB

          • memory/1100-82-0x0000000000130000-0x0000000000132000-memory.dmp

            Filesize

            8KB

          • memory/1100-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1100-4-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1100-39-0x0000000000160000-0x0000000000162000-memory.dmp

            Filesize

            8KB

          • memory/1100-58-0x0000000000160000-0x0000000000162000-memory.dmp

            Filesize

            8KB

          • memory/1100-40-0x0000000000170000-0x0000000000171000-memory.dmp

            Filesize

            4KB

          • memory/1100-61-0x0000000000160000-0x0000000000162000-memory.dmp

            Filesize

            8KB

          • memory/1100-60-0x00000000001D0000-0x00000000001E2000-memory.dmp

            Filesize

            72KB

          • memory/1892-17-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1892-70-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1892-13-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1892-51-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/1892-25-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1892-24-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1892-23-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1892-22-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1892-20-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1892-19-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1892-18-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1892-21-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1892-16-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1892-63-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1892-64-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1892-65-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1892-66-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1892-67-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1892-69-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1892-49-0x0000000000560000-0x0000000000561000-memory.dmp

            Filesize

            4KB

          • memory/1892-155-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1892-83-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/1892-14-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1892-86-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1892-87-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1892-90-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1892-154-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2544-109-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2544-108-0x0000000000200000-0x0000000000201000-memory.dmp

            Filesize

            4KB

          • memory/2544-110-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2544-84-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2544-170-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2544-211-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2544-210-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2680-101-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2680-100-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/2680-129-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2680-62-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB