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
    16-12-2024 03:05

General

  • Target

    c821308033101c4c0fd19723050367e939d63db08d5bbef3855a035e0d0ab3e3.dll

  • Size

    120KB

  • MD5

    8ed272c050d75adc1c566f56ede276ac

  • SHA1

    d6be7032f93fe6ad4777ed3e16b81073a01fb689

  • SHA256

    c821308033101c4c0fd19723050367e939d63db08d5bbef3855a035e0d0ab3e3

  • SHA512

    3a2649f08bb3b1e46dd5967c78ea95c6a57396576756384a8715056d9eafa75819fbe7cb5f0892a60444ba8a7c5e5dfd50f18832905d42a03a4876a3c52863d9

  • SSDEEP

    3072:5mbwnnOSaIKMnpI7dd938vOpcpGIfyh/Xrx:gsnnOSHKMnQ938vOmpGIWXrx

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 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 2 IoCs
  • Enumerates connected drives 3 TTPs 16 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 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:1136
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1188
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1220
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\c821308033101c4c0fd19723050367e939d63db08d5bbef3855a035e0d0ab3e3.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2032
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\c821308033101c4c0fd19723050367e939d63db08d5bbef3855a035e0d0ab3e3.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2176
              • C:\Users\Admin\AppData\Local\Temp\f77428c.exe
                C:\Users\Admin\AppData\Local\Temp\f77428c.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:2680
              • C:\Users\Admin\AppData\Local\Temp\f774470.exe
                C:\Users\Admin\AppData\Local\Temp\f774470.exe
                4⤵
                • Windows security bypass
                • Executes dropped EXE
                • Windows security modification
                PID:3040
              • C:\Users\Admin\AppData\Local\Temp\f775e46.exe
                C:\Users\Admin\AppData\Local\Temp\f775e46.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:1060
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1400

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            1281615ba50e847bc8044085757ba31e

            SHA1

            6d5a9d20449ccf8c462251782a38a74fb491ebf6

            SHA256

            1732680c68ba9ae1847a63e2f7f19c5065980d37267e9aaf983b752d5837b87d

            SHA512

            48aa99b21ea4c8164e9bed8732bbd7dc792e141cd489a82d11cdab4074198e39593f3c4e984b4048cb1745094f5e8fa542f33916a49620a8d4f68d0fd5e3196d

          • \Users\Admin\AppData\Local\Temp\f77428c.exe

            Filesize

            97KB

            MD5

            f8beb6b8c150ab7eb6c9f8ac8cfb4c50

            SHA1

            ecd73dc9d5097816ffc2752c6cc2598160c80e52

            SHA256

            34ddadae22c48d7b953896bda3a4019a20e455c2a6019b01c0da560567374425

            SHA512

            2a7d8be97f16c94140e5a5d1e997e7b46a5cb2103f1eeded5f4b4e86495be1ab76c8ca72535a4dbdce303359a4405177ced398415dc65acbfa61dd3d4cb80430

          • memory/1060-110-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1060-138-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1060-83-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1060-108-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1060-216-0x0000000000950000-0x0000000001A0A000-memory.dmp

            Filesize

            16.7MB

          • memory/1060-217-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1060-181-0x0000000000950000-0x0000000001A0A000-memory.dmp

            Filesize

            16.7MB

          • memory/1060-106-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/1136-32-0x0000000000150000-0x0000000000152000-memory.dmp

            Filesize

            8KB

          • memory/2176-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2176-58-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2176-7-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2176-48-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/2176-63-0x00000000003B0000-0x00000000003C2000-memory.dmp

            Filesize

            72KB

          • memory/2176-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2176-40-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/2176-39-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2176-13-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2176-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2176-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2176-64-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2680-49-0x00000000003D0000-0x00000000003D1000-memory.dmp

            Filesize

            4KB

          • memory/2680-21-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2680-60-0x0000000000370000-0x0000000000372000-memory.dmp

            Filesize

            8KB

          • memory/2680-14-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2680-26-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2680-18-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2680-61-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2680-62-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2680-66-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2680-68-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2680-67-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2680-71-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2680-19-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2680-84-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2680-85-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2680-88-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2680-89-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2680-17-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2680-20-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2680-24-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2680-23-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2680-22-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2680-25-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2680-51-0x0000000000370000-0x0000000000372000-memory.dmp

            Filesize

            8KB

          • memory/2680-159-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2680-160-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/3040-137-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/3040-166-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3040-165-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/3040-109-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/3040-107-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/3040-100-0x00000000002C0000-0x00000000002C1000-memory.dmp

            Filesize

            4KB

          • memory/3040-65-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB