Analysis

  • max time kernel
    120s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    19-12-2024 01:45

General

  • Target

    e3357d672bab6e2144b648cc15411367cd358434ff91e041db44574c2e2e1176N.dll

  • Size

    120KB

  • MD5

    73ad0841dd0db6ea73e497546a0d0b60

  • SHA1

    91def1fea04afc574f2382d7484198e6fc48ce15

  • SHA256

    e3357d672bab6e2144b648cc15411367cd358434ff91e041db44574c2e2e1176

  • SHA512

    2e45e8ae08a32d86fc2982da96cef7efe8ee6dc0ea4573129e7d24dae3a7efc7d6c23f1b8a1a35c4f84109830c15275f099089f804214af913ea971737901407

  • SSDEEP

    3072:WytBSCdTmIdXhhf9LcwmVVHrpG6/a4ZI:DyCZmInV9LcD746t

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 11 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • UPX packed file 23 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:1132
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1228
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1272
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\e3357d672bab6e2144b648cc15411367cd358434ff91e041db44574c2e2e1176N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2188
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\e3357d672bab6e2144b648cc15411367cd358434ff91e041db44574c2e2e1176N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2308
              • C:\Users\Admin\AppData\Local\Temp\f76cee3.exe
                C:\Users\Admin\AppData\Local\Temp\f76cee3.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:2616
              • C:\Users\Admin\AppData\Local\Temp\f76d356.exe
                C:\Users\Admin\AppData\Local\Temp\f76d356.exe
                4⤵
                • Executes dropped EXE
                PID:2812
              • C:\Users\Admin\AppData\Local\Temp\f76e8ba.exe
                C:\Users\Admin\AppData\Local\Temp\f76e8ba.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:2868
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1580

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            c5f9233cec313e3a6cf520951d514ef7

            SHA1

            b2d795f2c1645af10626fa93057d254ac86cc462

            SHA256

            86b706a8d535329ee70b779b73e9abf07ce735884548d375f395c6275deefe3f

            SHA512

            7b6fd6712b01180b99a412388b0dcddfed118d257b937b4639e626cff000b13da83426988a5848eca1afe421dad9b39bdadd9e3a27b00a5030120231dad9ae9e

          • \Users\Admin\AppData\Local\Temp\f76cee3.exe

            Filesize

            97KB

            MD5

            e906cb0acf1bdf0de134b82514f66c4c

            SHA1

            9daf453f885e4aa24d6c62a682c9a37aec8ab0ef

            SHA256

            e5dcaee152ed2db9ba70d5b3ef589ff1df05ad70bc8a39a5cc20e29cbd99f9b2

            SHA512

            a6572f006c0c64021b6266e511cd767425c6e61105f1d22ffda9bf84599ebc6fe023e536398a072ea965fb7ec542e1e5c91b6cfe8f42f5f4b0f40e673e8a2e03

          • memory/1132-30-0x0000000000450000-0x0000000000452000-memory.dmp

            Filesize

            8KB

          • memory/2308-79-0x00000000000F0000-0x00000000000F6000-memory.dmp

            Filesize

            24KB

          • memory/2308-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2308-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2308-11-0x00000000000F0000-0x0000000000102000-memory.dmp

            Filesize

            72KB

          • memory/2308-76-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2308-39-0x00000000002F0000-0x00000000002F1000-memory.dmp

            Filesize

            4KB

          • memory/2308-4-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2308-57-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2308-59-0x0000000000300000-0x0000000000312000-memory.dmp

            Filesize

            72KB

          • memory/2308-60-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2308-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2308-38-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2308-47-0x00000000002F0000-0x00000000002F1000-memory.dmp

            Filesize

            4KB

          • memory/2616-63-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2616-81-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2616-24-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2616-48-0x00000000002C0000-0x00000000002C1000-memory.dmp

            Filesize

            4KB

          • memory/2616-21-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2616-13-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2616-17-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2616-23-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2616-18-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2616-19-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2616-58-0x00000000002B0000-0x00000000002B2000-memory.dmp

            Filesize

            8KB

          • memory/2616-16-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2616-22-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2616-64-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2616-65-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2616-145-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2616-20-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2616-14-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2616-80-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2616-50-0x00000000002B0000-0x00000000002B2000-memory.dmp

            Filesize

            8KB

          • memory/2616-82-0x00000000002B0000-0x00000000002B2000-memory.dmp

            Filesize

            8KB

          • memory/2616-84-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2616-144-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2616-110-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2616-109-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2616-86-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2616-106-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2812-146-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2812-62-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2812-104-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2812-96-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2812-151-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2868-105-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2868-147-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2868-78-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2868-101-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2868-103-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2868-166-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2868-200-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2868-199-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB