Analysis

  • max time kernel
    117s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    15-12-2024 19:30

General

  • Target

    0840caa4b78d62d8eee2c18911ba5069ecc2e33403fda912eafae3758ac677d6.dll

  • Size

    120KB

  • MD5

    e3945ac623d98da825d654f36f09b3da

  • SHA1

    6af5986048759b376466507958d22c2146d16e0d

  • SHA256

    0840caa4b78d62d8eee2c18911ba5069ecc2e33403fda912eafae3758ac677d6

  • SHA512

    aad1b1c64b4eb6dc9b746a74f854cc8dab2567497061f9e4da03d8654f34d72343b3ae0e82f68696a80e036bfff5c1f281202d1a57c56b68bb2c04f8d55618eb

  • SSDEEP

    1536:niTuIgkuWTxTMVbZbhtj8t3AMnDRitcyNnua0J15GWiPN71XT26lsZlcONeNLRa:hqddCtbhtYtwMDa1uY5bkl2+

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 25 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:1100
    • 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\0840caa4b78d62d8eee2c18911ba5069ecc2e33403fda912eafae3758ac677d6.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2740
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\0840caa4b78d62d8eee2c18911ba5069ecc2e33403fda912eafae3758ac677d6.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2852
              • C:\Users\Admin\AppData\Local\Temp\f7705bb.exe
                C:\Users\Admin\AppData\Local\Temp\f7705bb.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:1808
              • C:\Users\Admin\AppData\Local\Temp\f770760.exe
                C:\Users\Admin\AppData\Local\Temp\f770760.exe
                4⤵
                • Executes dropped EXE
                PID:2568
              • C:\Users\Admin\AppData\Local\Temp\f772194.exe
                C:\Users\Admin\AppData\Local\Temp\f772194.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:2144
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1612

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            698988e198c8491e705892a1679b063a

            SHA1

            8942b0b79e4ab4996dcf52eb1a56cbeb2968491c

            SHA256

            026fcf4bc9b8368029a7367bacbb9874153fbec56b96881d3f3a74821bb88270

            SHA512

            c1b079340b019eb5634d80b988c7f407976f8da1229af8bd63da06b1201e7924de2c70b7adc00f6b7bd6441f60bb71e60ab705e27c94b94a89b3b1e6081f639e

          • \Users\Admin\AppData\Local\Temp\f7705bb.exe

            Filesize

            97KB

            MD5

            218e262379a156bcba1f77eab5ffa052

            SHA1

            8774d4a965a7bda145b7031d52a2c06de7b59b9a

            SHA256

            e983b2a0d34acfc54a3aa675d084e69b78f5747c42b9733d4a73322baab8e034

            SHA512

            f502cb652ee523ac5fe664f1e6174c88090233c575ec269bd0fd6420ed66e8f113354b0b7d2923b015bfca29a3888dc8abafb41c4dd64c0c5a30f3d5b5541edc

          • memory/1100-29-0x00000000002E0000-0x00000000002E2000-memory.dmp

            Filesize

            8KB

          • memory/1808-62-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1808-107-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1808-17-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1808-65-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1808-63-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1808-48-0x0000000000490000-0x0000000000492000-memory.dmp

            Filesize

            8KB

          • memory/1808-11-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1808-56-0x0000000000490000-0x0000000000492000-memory.dmp

            Filesize

            8KB

          • memory/1808-155-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1808-21-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1808-46-0x0000000001830000-0x0000000001831000-memory.dmp

            Filesize

            4KB

          • memory/1808-154-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1808-109-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1808-89-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1808-85-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1808-18-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1808-15-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1808-23-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1808-14-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1808-20-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1808-16-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1808-84-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1808-83-0x0000000000490000-0x0000000000492000-memory.dmp

            Filesize

            8KB

          • memory/1808-61-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1808-68-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1808-22-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1808-19-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1808-64-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1808-67-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2144-103-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2144-82-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2144-212-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2144-104-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2144-106-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2144-211-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2144-164-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2568-60-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2568-105-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2568-176-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2568-98-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2568-99-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2852-10-0x00000000001F0000-0x0000000000202000-memory.dmp

            Filesize

            72KB

          • memory/2852-36-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2852-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2852-37-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/2852-45-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/2852-55-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2852-57-0x0000000000280000-0x0000000000292000-memory.dmp

            Filesize

            72KB

          • memory/2852-59-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2852-71-0x0000000000A50000-0x0000000000A62000-memory.dmp

            Filesize

            72KB

          • memory/2852-81-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2852-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB