Analysis

  • max time kernel
    119s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    21-12-2024 22:24

General

  • Target

    4ce49f90ed3fe7b87f65f06a4869d1cb5571676366055faa3a2aa804198ed441.dll

  • Size

    120KB

  • MD5

    65af5dcd5b3e7ca4611f39ceac0793d6

  • SHA1

    f9be32490a2236eee089fc0747d23a35973c7750

  • SHA256

    4ce49f90ed3fe7b87f65f06a4869d1cb5571676366055faa3a2aa804198ed441

  • SHA512

    eb1fa6d6658f7151cc18adeefb6ac967da85a19559354cc2f4436949d4669460baf9680a4fc5d2b3a54342f364866b6e15c38c1458607b5a3e01333965c41654

  • SSDEEP

    1536:x3Y5OdlsWrwDQ2V+bwtSYx6kRsQqQjm4bIrZ+nIItiHug2xeGjPRcTHCClb+7:+5/WkJ+bzE6kUIm4bAknDiAx3Vxx7

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 14 IoCs

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

  • UPX packed file 22 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:1104
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1172
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1200
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\4ce49f90ed3fe7b87f65f06a4869d1cb5571676366055faa3a2aa804198ed441.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2364
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\4ce49f90ed3fe7b87f65f06a4869d1cb5571676366055faa3a2aa804198ed441.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2080
              • C:\Users\Admin\AppData\Local\Temp\f770f1e.exe
                C:\Users\Admin\AppData\Local\Temp\f770f1e.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:\Users\Admin\AppData\Local\Temp\f7710b3.exe
                C:\Users\Admin\AppData\Local\Temp\f7710b3.exe
                4⤵
                • Executes dropped EXE
                PID:668
              • C:\Users\Admin\AppData\Local\Temp\f772d19.exe
                C:\Users\Admin\AppData\Local\Temp\f772d19.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:2652
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1324

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f770f1e.exe

            Filesize

            97KB

            MD5

            76841181ced3b6dd8979c2de45dfc2b5

            SHA1

            c518056f26c6a9885c97d3748c29ae3ab8badaf0

            SHA256

            eaf0b6f4c0dae825691856b180b95077c604c5324e82e136e51de96ea587c27a

            SHA512

            fe82a4713046381361c2e24c475273d53c1d1fa428291112b3f6f6b984a5b11c50b524d5283ea8fabcbb56814d862487b68d8dd44ba42599ae4a84a26af1c1a3

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            dd78d2f110897e6c7a07ac3cc08e5a61

            SHA1

            fe32a3a65e519ea20f243a35b6d1752ae42e2bad

            SHA256

            43658ed083ff21bf8c43a2eedfa35929b7afd139e847378cba185d0a5177dbf4

            SHA512

            69e1477f96ecc1708a85723c47aac7c0d699e81f2af0bd067d246e5b94ff389d65ada5d318b83ecc3f61015d294cab86cb113d7208e3cdcb82110378eba3a7eb

          • memory/668-64-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/668-97-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/668-96-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/668-104-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/668-156-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/668-124-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/1104-29-0x00000000001D0000-0x00000000001D2000-memory.dmp

            Filesize

            8KB

          • memory/2080-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2080-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2080-49-0x0000000000280000-0x0000000000281000-memory.dmp

            Filesize

            4KB

          • memory/2080-63-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2080-62-0x0000000000390000-0x00000000003A2000-memory.dmp

            Filesize

            72KB

          • memory/2080-60-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2080-211-0x00000000003B0000-0x00000000003C2000-memory.dmp

            Filesize

            72KB

          • memory/2080-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2080-83-0x00000000003B0000-0x00000000003C2000-memory.dmp

            Filesize

            72KB

          • memory/2080-39-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2080-40-0x0000000000280000-0x0000000000281000-memory.dmp

            Filesize

            4KB

          • memory/2652-107-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2652-85-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2652-209-0x0000000000920000-0x00000000019DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2652-210-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2652-171-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2652-170-0x0000000000920000-0x00000000019DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2652-105-0x0000000000330000-0x0000000000331000-memory.dmp

            Filesize

            4KB

          • memory/2696-21-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-65-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-69-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-70-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-51-0x00000000004E0000-0x00000000004E2000-memory.dmp

            Filesize

            8KB

          • memory/2696-82-0x00000000004E0000-0x00000000004E2000-memory.dmp

            Filesize

            8KB

          • memory/2696-66-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-86-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-87-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-53-0x00000000004E0000-0x00000000004E2000-memory.dmp

            Filesize

            8KB

          • memory/2696-22-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-15-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-17-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-67-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-109-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-110-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-23-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-151-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2696-152-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-14-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-19-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-16-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-20-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-18-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-50-0x00000000004F0000-0x00000000004F1000-memory.dmp

            Filesize

            4KB

          • memory/2696-11-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB