Analysis

  • max time kernel
    28s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    31-12-2024 14:39

General

  • Target

    2b69ffe75232bd20321d9df470857de323f65d56917c12f205ad7f17b92d6b88N.dll

  • Size

    120KB

  • MD5

    7bb66f52b291899b368a524515161b00

  • SHA1

    d5ff9e519f2677b8ef6697976c895f234903c497

  • SHA256

    2b69ffe75232bd20321d9df470857de323f65d56917c12f205ad7f17b92d6b88

  • SHA512

    d7c45c74ed1408bf4575e7d1d23c5ea68a69e493376aff468577ee0e8177ce627d42e28557856a7fcf85c6c8ac1ff2dfd9fe912e5234098294ffe8928d3d665d

  • SSDEEP

    1536:R1/ZY5nu2RTjfIQNbx6orpDmzL51pokxu9h7aTCFUv2rQ4str3c5E5bYLcpik6e:5wuq8Qn54HXuWuA2rDstIilp+

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

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1116
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1168
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1196
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\2b69ffe75232bd20321d9df470857de323f65d56917c12f205ad7f17b92d6b88N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1820
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\2b69ffe75232bd20321d9df470857de323f65d56917c12f205ad7f17b92d6b88N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2340
              • C:\Users\Admin\AppData\Local\Temp\f77e437.exe
                C:\Users\Admin\AppData\Local\Temp\f77e437.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:2272
              • C:\Users\Admin\AppData\Local\Temp\f77e8ba.exe
                C:\Users\Admin\AppData\Local\Temp\f77e8ba.exe
                4⤵
                • Executes dropped EXE
                PID:2716
              • C:\Users\Admin\AppData\Local\Temp\f7802ee.exe
                C:\Users\Admin\AppData\Local\Temp\f7802ee.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:2856
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1192

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            cacd9dfe91f1cc1ddd8df5fd2ae4e07f

            SHA1

            b058eb8dd47a47e13dc28c305e0303dac29c6d02

            SHA256

            5d4c7f1d16f8a6dc707d5171fe5844e8bb87cf4b9d721764d2dad6e48a2b9960

            SHA512

            aaac718f8b7dd536a342ba174dbb0bcee0d9d6fb7aff592d379c5c1f938d9012fb57f643ee99c23f432cfe5eae9211c3b9ad925ae9b7602d8e8cf96f060aa15d

          • \Users\Admin\AppData\Local\Temp\f77e437.exe

            Filesize

            97KB

            MD5

            7f5c6c03acbec5931d31c3e3ab96bc86

            SHA1

            eda55703abd3fe2d073183b20fa40f414a6a4eea

            SHA256

            3d126f19cb14bd4f7e561b95e03516abea4cb74596a8d926f58346d56805478b

            SHA512

            5d8d73684fcf7ac2f9b45b041a8c822fa9508d632c97812c84aab17adcb24f3d4e7cbdaf1e302d62a9fa5bf6031bd88479e21c226c94158b0d3f78bb45ead7c9

          • memory/1116-28-0x0000000001FE0000-0x0000000001FE2000-memory.dmp

            Filesize

            8KB

          • memory/2272-61-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2272-19-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2272-12-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2272-17-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2272-21-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2272-22-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2272-62-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2272-18-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2272-15-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2272-14-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2272-16-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2272-63-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2272-149-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2272-50-0x0000000003CD0000-0x0000000003CD2000-memory.dmp

            Filesize

            8KB

          • memory/2272-150-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2272-87-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2272-85-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2272-70-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2272-48-0x0000000003CD0000-0x0000000003CD2000-memory.dmp

            Filesize

            8KB

          • memory/2272-47-0x0000000003D20000-0x0000000003D21000-memory.dmp

            Filesize

            4KB

          • memory/2272-69-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2272-68-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2272-67-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2272-11-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2272-65-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2272-64-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2272-20-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2340-40-0x0000000000210000-0x0000000000212000-memory.dmp

            Filesize

            8KB

          • memory/2340-36-0x0000000000210000-0x0000000000212000-memory.dmp

            Filesize

            8KB

          • memory/2340-58-0x00000000002A0000-0x00000000002B2000-memory.dmp

            Filesize

            72KB

          • memory/2340-37-0x0000000000220000-0x0000000000221000-memory.dmp

            Filesize

            4KB

          • memory/2340-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2340-49-0x0000000000210000-0x0000000000212000-memory.dmp

            Filesize

            8KB

          • memory/2340-74-0x0000000000210000-0x0000000000212000-memory.dmp

            Filesize

            8KB

          • memory/2340-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2340-10-0x0000000000130000-0x0000000000142000-memory.dmp

            Filesize

            72KB

          • memory/2340-39-0x0000000000220000-0x0000000000221000-memory.dmp

            Filesize

            4KB

          • memory/2340-59-0x00000000002A0000-0x00000000002B2000-memory.dmp

            Filesize

            72KB

          • memory/2716-99-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2716-60-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2716-108-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2716-152-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2856-104-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2856-107-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2856-151-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2856-83-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2856-161-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2856-205-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2856-204-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB