Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    26-12-2024 06:31

General

  • Target

    64ca71e9ed639558d338fde2e46698bc05dbb86e3d5f4ead45f2b23d511a8e09.dll

  • Size

    120KB

  • MD5

    12e6a070151c696da0dc92564e42c846

  • SHA1

    a6d5666c9230801d0127215026a79aff83044784

  • SHA256

    64ca71e9ed639558d338fde2e46698bc05dbb86e3d5f4ead45f2b23d511a8e09

  • SHA512

    e70d1a4fdd6632f4ce18620c760343f01326d4c4e56cec5fb54950cecddccd6b9407cb7ab6d4a808018a68feaf6b2fc7d4b32093ddd3218c1673a1c3513073f9

  • SSDEEP

    3072:JVhpdGEE6P6MF4ABPn3M62B5gUeP5j50+lj:JVhTFEJAB/cfyUeF+Sj

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 9 IoCs
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • Sality family
  • UAC bypass 3 TTPs 3 IoCs
  • Windows security bypass 2 TTPs 18 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • Windows security modification 2 TTPs 21 IoCs
  • Checks whether UAC is enabled 1 TTPs 3 IoCs
  • Enumerates connected drives 3 TTPs 17 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 4 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 3 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:1208
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\64ca71e9ed639558d338fde2e46698bc05dbb86e3d5f4ead45f2b23d511a8e09.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2112
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\64ca71e9ed639558d338fde2e46698bc05dbb86e3d5f4ead45f2b23d511a8e09.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2120
              • C:\Users\Admin\AppData\Local\Temp\f76c6d8.exe
                C:\Users\Admin\AppData\Local\Temp\f76c6d8.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:2308
              • C:\Users\Admin\AppData\Local\Temp\f76c83f.exe
                C:\Users\Admin\AppData\Local\Temp\f76c83f.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 policy modification
                PID:2468
              • C:\Users\Admin\AppData\Local\Temp\f76e292.exe
                C:\Users\Admin\AppData\Local\Temp\f76e292.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:2696
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1108

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            61b1af78d69e58836ade3e76664e6b84

            SHA1

            ba35bee9da34f0c591d71fca95f931a88b8d70e0

            SHA256

            ad7e262cd13eb58e0a1782bf6498082c92359a34e79ef7d09d23976174a63fb2

            SHA512

            e464492283f32d16a70ceccd7a3a529f26e5fadcb0ec1d8bf381e071fd355ddb06c88f960562fcb4d40e67b78007dea7a844d9aadd786ab86092a6844d4eb365

          • \Users\Admin\AppData\Local\Temp\f76c6d8.exe

            Filesize

            97KB

            MD5

            15fe04a66f4feeef21515a58d8269826

            SHA1

            33d0fad8eb03ac4e92185d8d7d6ea9b482d68450

            SHA256

            9ce25622c862c7a87e8b71bbf2d7c976270d459ce37721adba3c446b72d2bd72

            SHA512

            04198f14296f5278ea0082bc8f7efdaa30edce6e9267e42e70965136127c5d4b3d2e6a741966c01a3e154c30b114abe54c3e502341505087b11a1b8ec738b8af

          • memory/1112-29-0x00000000001D0000-0x00000000001D2000-memory.dmp

            Filesize

            8KB

          • memory/2120-84-0x0000000000140000-0x0000000000142000-memory.dmp

            Filesize

            8KB

          • memory/2120-9-0x0000000000140000-0x0000000000152000-memory.dmp

            Filesize

            72KB

          • memory/2120-74-0x0000000000250000-0x0000000000262000-memory.dmp

            Filesize

            72KB

          • memory/2120-79-0x0000000000190000-0x0000000000192000-memory.dmp

            Filesize

            8KB

          • memory/2120-81-0x0000000000250000-0x0000000000262000-memory.dmp

            Filesize

            72KB

          • memory/2120-47-0x00000000001A0000-0x00000000001A1000-memory.dmp

            Filesize

            4KB

          • memory/2120-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2120-60-0x0000000000190000-0x0000000000192000-memory.dmp

            Filesize

            8KB

          • memory/2120-11-0x0000000000140000-0x0000000000152000-memory.dmp

            Filesize

            72KB

          • memory/2120-59-0x00000000001B0000-0x00000000001C2000-memory.dmp

            Filesize

            72KB

          • memory/2120-37-0x0000000000190000-0x0000000000192000-memory.dmp

            Filesize

            8KB

          • memory/2120-57-0x0000000000190000-0x0000000000192000-memory.dmp

            Filesize

            8KB

          • memory/2120-38-0x00000000001A0000-0x00000000001A1000-memory.dmp

            Filesize

            4KB

          • memory/2308-65-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2308-19-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2308-21-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2308-50-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2308-58-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2308-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2308-18-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2308-17-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2308-23-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2308-14-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2308-63-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2308-64-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2308-22-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2308-66-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2308-67-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2308-69-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2308-70-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2308-86-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2308-159-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2308-15-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2308-20-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2308-48-0x0000000000560000-0x0000000000561000-memory.dmp

            Filesize

            4KB

          • memory/2308-16-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2308-87-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2308-90-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2308-92-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2308-158-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2468-62-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2468-112-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2468-103-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/2468-136-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2468-170-0x0000000000930000-0x00000000019EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2468-223-0x0000000000930000-0x00000000019EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2468-169-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2696-137-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2696-194-0x0000000000900000-0x00000000019BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-85-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2696-109-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2696-221-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2696-222-0x0000000000900000-0x00000000019BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-113-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB