Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    24-12-2024 23:04

General

  • Target

    6874212815590bfb1bbc326803fccde0e944f97f0c64efb99d732fd2c5a6b266.dll

  • Size

    120KB

  • MD5

    33eefeeeee7a0c1ec6e6b4c372bb2954

  • SHA1

    358d8ddfaa771089de3f349af23f7c59f1f07501

  • SHA256

    6874212815590bfb1bbc326803fccde0e944f97f0c64efb99d732fd2c5a6b266

  • SHA512

    da60f0a1bdc942ffd1459566b537e1bb9f04988acbf0e2a87589352b785e3ff898827e481681a2e19dd9a683f7bd579f52324cf840ca9b2cc970f040f5603653

  • SSDEEP

    3072:VxZrflgw5uUC9yyUcuK2/JNQBjRDL4Ti9:VxZrjJBcu1rQBjRDL4m9

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 28 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 45 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:1168
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1232
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\6874212815590bfb1bbc326803fccde0e944f97f0c64efb99d732fd2c5a6b266.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2676
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\6874212815590bfb1bbc326803fccde0e944f97f0c64efb99d732fd2c5a6b266.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1956
              • C:\Users\Admin\AppData\Local\Temp\f771813.exe
                C:\Users\Admin\AppData\Local\Temp\f771813.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:2728
              • C:\Users\Admin\AppData\Local\Temp\f7719a8.exe
                C:\Users\Admin\AppData\Local\Temp\f7719a8.exe
                4⤵
                • Executes dropped EXE
                PID:2660
              • C:\Users\Admin\AppData\Local\Temp\f77367b.exe
                C:\Users\Admin\AppData\Local\Temp\f77367b.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:2028
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1740

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f771813.exe

            Filesize

            97KB

            MD5

            1279be6969caef812678cda13c45c227

            SHA1

            4592b2192c338f53c2029d4e192ae9461208c152

            SHA256

            a1cc736c2d49847d8b20542e70bc965bf3d9b588575a8d009a7bd8f96613964c

            SHA512

            b044d69161406a3b2ee20915fc39edd771696456bd56e3f26c2a8f4a80934b5daffec6ca81f341af7486bb3cd2b43aaa0b3419d262a1ccb4067d7587970bbb65

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            24d6b175922dcdb0fd8e73dc90841fad

            SHA1

            a23a5893ca88d2a51ce520e0b28d73969acfd8b8

            SHA256

            d203cfc3cb57ef637fde20f328cc8e437fc5d9cf6d63f132412456b3deab2e72

            SHA512

            fc553596645d27906ebbab9c40c07631603e2779d2c62759545eca686919b7d7ab4bcd4deae9f4b29d411d1638a3a270a2c2a471e2b9dee78204ef87372fbfb8

          • memory/1112-29-0x0000000001F50000-0x0000000001F52000-memory.dmp

            Filesize

            8KB

          • memory/1956-207-0x00000000009D0000-0x00000000009E2000-memory.dmp

            Filesize

            72KB

          • memory/1956-36-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/1956-44-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/1956-80-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/1956-8-0x00000000001F0000-0x0000000000202000-memory.dmp

            Filesize

            72KB

          • memory/1956-81-0x00000000009D0000-0x00000000009E2000-memory.dmp

            Filesize

            72KB

          • memory/1956-79-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/1956-58-0x00000000002C0000-0x00000000002D2000-memory.dmp

            Filesize

            72KB

          • memory/1956-51-0x00000000002C0000-0x00000000002D2000-memory.dmp

            Filesize

            72KB

          • memory/1956-35-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/1956-9-0x00000000001F0000-0x0000000000202000-memory.dmp

            Filesize

            72KB

          • memory/1956-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1956-56-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/1956-57-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2028-166-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2028-99-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/2028-101-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2028-100-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2028-165-0x00000000009C0000-0x0000000001A7A000-memory.dmp

            Filesize

            16.7MB

          • memory/2028-205-0x00000000009C0000-0x0000000001A7A000-memory.dmp

            Filesize

            16.7MB

          • memory/2028-206-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2660-98-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2660-118-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2660-150-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2660-92-0x0000000000370000-0x0000000000371000-memory.dmp

            Filesize

            4KB

          • memory/2660-93-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2660-60-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2728-65-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-104-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-67-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2728-64-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-63-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-62-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-83-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-84-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-61-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-50-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2728-17-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-20-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-14-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-22-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-103-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-66-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-106-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-108-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-109-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-112-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-113-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-23-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-146-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-145-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2728-16-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-45-0x0000000000520000-0x0000000000521000-memory.dmp

            Filesize

            4KB

          • memory/2728-18-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-15-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-21-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-19-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-11-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB