Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    26-12-2024 14:46

General

  • Target

    2c263b035d18636956f740fe25de86bc6331977c53b61ee28556d8827ddbaf75N.dll

  • Size

    120KB

  • MD5

    e37edcb2c274b321e64f0127a6e75aa0

  • SHA1

    31eaeb55a14bece3ad560d1615da1eac35f2b62d

  • SHA256

    2c263b035d18636956f740fe25de86bc6331977c53b61ee28556d8827ddbaf75

  • SHA512

    bf02e1dba18e5b1a5780d940e52be5ba51983e93a416fab60744dc39b64a356b9e479334aee75e4c167af50779bb8c8375759e25c999aefcfbade229f41c34b9

  • SSDEEP

    1536:XNYSYJUNy39lDxuTHV8mJAUQCMicMT6RKQXces5RpMcRzM7OZAU:XN2my7S8SzLMZMH4cXR6ezb

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 14 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:1176
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1244
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\2c263b035d18636956f740fe25de86bc6331977c53b61ee28556d8827ddbaf75N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2088
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\2c263b035d18636956f740fe25de86bc6331977c53b61ee28556d8827ddbaf75N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2500
              • C:\Users\Admin\AppData\Local\Temp\f76ca80.exe
                C:\Users\Admin\AppData\Local\Temp\f76ca80.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:1728
              • C:\Users\Admin\AppData\Local\Temp\f76cc35.exe
                C:\Users\Admin\AppData\Local\Temp\f76cc35.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:2708
              • C:\Users\Admin\AppData\Local\Temp\f76e63a.exe
                C:\Users\Admin\AppData\Local\Temp\f76e63a.exe
                4⤵
                • Executes dropped EXE
                PID:1868
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1324

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            24707a6598c69212f761f553a06673a9

            SHA1

            caba5d1219c0a67d3184876ccbd6a76db5b7f014

            SHA256

            5148ef086a0ed1c74eb034dad2cc51a0ff9e78c148ff97c3eab3dc07a59c8cd6

            SHA512

            d1cf9efbb791af332a3df2d6b40495d9fa0cc426a349b4ea5dd07bfc238e7400d10fa9ba127e5feb9120d7e40b35ded7c4ec9ffe4d5559f94670534cd1a55b4b

          • \Users\Admin\AppData\Local\Temp\f76ca80.exe

            Filesize

            97KB

            MD5

            4621e41ecbdab2a61a72c4348a02c7f6

            SHA1

            baf2279a44931787a883a65322c8fa4ee7bd94e9

            SHA256

            30e6879af3842d410e4b119d340f7987d4e3a8b214a2777ebd068afd29fa62e8

            SHA512

            5ebc6cd3e00b6e9c0a9863a08c85a955f28508092db6d88184e00d69d32dfb866474046054910eab268df2719eb74f98981ba961a1b870bf1a23e61116b1578a

          • memory/1112-26-0x0000000002070000-0x0000000002072000-memory.dmp

            Filesize

            8KB

          • memory/1728-61-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/1728-63-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/1728-149-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/1728-84-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/1728-17-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/1728-87-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/1728-25-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/1728-23-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/1728-109-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/1728-55-0x0000000000290000-0x0000000000292000-memory.dmp

            Filesize

            8KB

          • memory/1728-54-0x0000000000290000-0x0000000000292000-memory.dmp

            Filesize

            8KB

          • memory/1728-107-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/1728-18-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/1728-19-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/1728-42-0x00000000002A0000-0x00000000002A1000-memory.dmp

            Filesize

            4KB

          • memory/1728-81-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/1728-82-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/1728-68-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/1728-21-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/1728-67-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/1728-16-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/1728-22-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/1728-20-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/1728-24-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/1728-85-0x0000000000290000-0x0000000000292000-memory.dmp

            Filesize

            8KB

          • memory/1728-148-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1728-62-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/1728-64-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/1728-66-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/1868-192-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1868-127-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/1868-80-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1868-105-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/1868-101-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/1868-103-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2500-52-0x0000000000190000-0x00000000001A2000-memory.dmp

            Filesize

            72KB

          • memory/2500-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2500-33-0x0000000000180000-0x0000000000181000-memory.dmp

            Filesize

            4KB

          • memory/2500-41-0x0000000000180000-0x0000000000181000-memory.dmp

            Filesize

            4KB

          • memory/2500-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2500-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2500-50-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/2500-32-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/2500-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2500-53-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/2500-6-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2500-13-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2708-126-0x0000000000270000-0x0000000000272000-memory.dmp

            Filesize

            8KB

          • memory/2708-97-0x0000000000280000-0x0000000000281000-memory.dmp

            Filesize

            4KB

          • memory/2708-161-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2708-102-0x0000000000270000-0x0000000000272000-memory.dmp

            Filesize

            8KB

          • memory/2708-187-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2708-188-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2708-104-0x0000000000270000-0x0000000000272000-memory.dmp

            Filesize

            8KB