Analysis

  • max time kernel
    121s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    06/12/2024, 17:43

General

  • Target

    1cac9505d02aa81312fe58b235015454673e32400bec939330fc2e764d2ff2aa.dll

  • Size

    120KB

  • MD5

    d5a5029261e40a0ceedb4d4cad527d2b

  • SHA1

    fab2828101d8a44522e57067dbbebfb790c3e2b4

  • SHA256

    1cac9505d02aa81312fe58b235015454673e32400bec939330fc2e764d2ff2aa

  • SHA512

    6417cff87e8a4d08e606d2c3c6c8a8ec3342894e1943efb2120ca114769043264f53ef93556add64dcf5d5a3b14344b7b7e42c82d0c5b3730adf55b41f212e45

  • SSDEEP

    3072:Ni6L31YpRa/PqELuEfGi2vgb/mbMcy75KoW:Niu31YyPFuipqbMxvW

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 8 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 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:1164
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1192
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\1cac9505d02aa81312fe58b235015454673e32400bec939330fc2e764d2ff2aa.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2292
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\1cac9505d02aa81312fe58b235015454673e32400bec939330fc2e764d2ff2aa.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1792
              • C:\Users\Admin\AppData\Local\Temp\f76c4c5.exe
                C:\Users\Admin\AppData\Local\Temp\f76c4c5.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:2072
              • C:\Users\Admin\AppData\Local\Temp\f76c66b.exe
                C:\Users\Admin\AppData\Local\Temp\f76c66b.exe
                4⤵
                • Executes dropped EXE
                PID:2776
              • C:\Users\Admin\AppData\Local\Temp\f76e762.exe
                C:\Users\Admin\AppData\Local\Temp\f76e762.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:2360
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1228

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            4a86672ad1e457f236f31576fee3af1d

            SHA1

            af15505d22cc90a8a4597d6acb80e67798dd27fd

            SHA256

            3e41e0ec68e4487c9d4e25d2646dc46a50509b24d66a3a909267135afe6596b1

            SHA512

            7fed4f540d59ba492bb4c694b994cb95c3d89937a378e3cceacf5929dbf3ba0b2cde53c80bb3a6be988161ecb327029610f6cf54ffb55a1a5bba15f339214424

          • \Users\Admin\AppData\Local\Temp\f76c4c5.exe

            Filesize

            97KB

            MD5

            46a4ae75fdf4c70005bbe2fb3fdcc4ec

            SHA1

            3a5e7cf393d3fdaa48aa49909246551f83ef8ef0

            SHA256

            c11df09c0f072b8d961a4cd77af6af892836a03d6a27dfc5a406e122e53c50db

            SHA512

            fd0f2d224cea7400b7984b4cfbee7bff85b2b982ef60d111f72d4324276141e7c6ecf9d8e56a4afc88262b1990cb1f6b08342399797057dec9939833a2a70c84

          • memory/1104-28-0x00000000002E0000-0x00000000002E2000-memory.dmp

            Filesize

            8KB

          • memory/1792-82-0x0000000000100000-0x0000000000102000-memory.dmp

            Filesize

            8KB

          • memory/1792-9-0x0000000000100000-0x0000000000112000-memory.dmp

            Filesize

            72KB

          • memory/1792-78-0x0000000000380000-0x0000000000392000-memory.dmp

            Filesize

            72KB

          • memory/1792-37-0x0000000000240000-0x0000000000241000-memory.dmp

            Filesize

            4KB

          • memory/1792-68-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/1792-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1792-56-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/1792-3-0x0000000000100000-0x0000000000112000-memory.dmp

            Filesize

            72KB

          • memory/1792-57-0x0000000000310000-0x0000000000322000-memory.dmp

            Filesize

            72KB

          • memory/1792-58-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/1792-45-0x0000000000240000-0x0000000000241000-memory.dmp

            Filesize

            4KB

          • memory/1792-36-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2072-62-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2072-107-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2072-12-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2072-18-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2072-16-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2072-14-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2072-20-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2072-48-0x00000000003B0000-0x00000000003B2000-memory.dmp

            Filesize

            8KB

          • memory/2072-46-0x00000000017E0000-0x00000000017E1000-memory.dmp

            Filesize

            4KB

          • memory/2072-49-0x00000000003B0000-0x00000000003B2000-memory.dmp

            Filesize

            8KB

          • memory/2072-61-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2072-21-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2072-63-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2072-65-0x00000000003B0000-0x00000000003B2000-memory.dmp

            Filesize

            8KB

          • memory/2072-66-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2072-19-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2072-17-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2072-142-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2072-15-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2072-143-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2072-120-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2072-111-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2072-22-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2072-106-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2072-67-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2072-105-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2360-79-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2360-104-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2360-102-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2360-99-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/2360-148-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2360-153-0x0000000000A00000-0x0000000001ABA000-memory.dmp

            Filesize

            16.7MB

          • memory/2360-197-0x0000000000A00000-0x0000000001ABA000-memory.dmp

            Filesize

            16.7MB

          • memory/2360-196-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2776-101-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2776-103-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2776-93-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/2776-147-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2776-60-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB