Analysis

  • max time kernel
    27s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    11-12-2024 01:10

General

  • Target

    bb1806337b974251b97461acba87e32c883a619915a628fdaa909531d30f9b30.dll

  • Size

    120KB

  • MD5

    dc9ca1f308dbf85100419f673af14426

  • SHA1

    25b65c6a7f6cb9e9786d8dce2a6cc596a72a208d

  • SHA256

    bb1806337b974251b97461acba87e32c883a619915a628fdaa909531d30f9b30

  • SHA512

    a5bf667f6f3593d57c93d2505f89e1db38c6fda52d09263d68637fa61dd8d836c6d0f8d553f156bb3f07d2c7d64801bcc8208506baa5ec923b2a295255e1d7ba

  • SSDEEP

    1536:eHUzwnLRsSuCgj0NQCCF+Bx5L3Yn9Pr/x2jcZl+MurmDN7qaIao7rFCAs3:UzLGYUFcOjQYjOmDNktfMf

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

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1120
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1180
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1212
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\bb1806337b974251b97461acba87e32c883a619915a628fdaa909531d30f9b30.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1044
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\bb1806337b974251b97461acba87e32c883a619915a628fdaa909531d30f9b30.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2280
              • C:\Users\Admin\AppData\Local\Temp\f765947.exe
                C:\Users\Admin\AppData\Local\Temp\f765947.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:2296
              • C:\Users\Admin\AppData\Local\Temp\f765acd.exe
                C:\Users\Admin\AppData\Local\Temp\f765acd.exe
                4⤵
                • Executes dropped EXE
                PID:1676
              • C:\Users\Admin\AppData\Local\Temp\f767511.exe
                C:\Users\Admin\AppData\Local\Temp\f767511.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:2980
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1692

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f765947.exe

            Filesize

            97KB

            MD5

            3897b0d56d7d4b63ae26afafbdb9cc71

            SHA1

            2355cb6296dfca0b2135a72985db26d262787148

            SHA256

            01da4cc8339be6eacefbed665d2c7f4b75f80270162130fce9d8c9ed881c1ef3

            SHA512

            f638fd6914acda0f9d57f563c9323186b4374ea60430928741c40ed60fe408a3e9083cdb963fb90bd53118f026202e585eb4e9b961d08d3b85448592844fcccf

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            3a90750c65c39eeb0facd9603a822be0

            SHA1

            a83f90768ffd44f5ff37d99352941e704bf1412f

            SHA256

            60347a422f303fa1dd2810c4e4aac1dc991cbfaaad9cf7d82d9a958b068faee4

            SHA512

            0f93c357559dac0e4e35c1e2cfff70b82edfa57e6138d64c835d0d76684187938098cbe7b5c5e37b21e4e9aad90f82c59e49ca9b6aa3ba07b12d8a6f639f0eae

          • memory/1120-27-0x0000000001F50000-0x0000000001F52000-memory.dmp

            Filesize

            8KB

          • memory/1676-59-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1676-156-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1676-126-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/1676-97-0x0000000000240000-0x0000000000241000-memory.dmp

            Filesize

            4KB

          • memory/1676-98-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/1676-101-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2280-57-0x0000000000280000-0x0000000000292000-memory.dmp

            Filesize

            72KB

          • memory/2280-82-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/2280-8-0x0000000000170000-0x0000000000182000-memory.dmp

            Filesize

            72KB

          • memory/2280-71-0x00000000002F0000-0x0000000000302000-memory.dmp

            Filesize

            72KB

          • memory/2280-58-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2280-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2280-55-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2280-80-0x00000000002F0000-0x0000000000302000-memory.dmp

            Filesize

            72KB

          • memory/2280-44-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/2280-34-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2280-35-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/2296-87-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2296-21-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2296-83-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2296-85-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2296-19-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2296-60-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2296-61-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2296-62-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2296-64-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2296-63-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2296-66-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2296-67-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2296-15-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2296-45-0x0000000000560000-0x0000000000561000-memory.dmp

            Filesize

            4KB

          • memory/2296-79-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2296-18-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2296-16-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2296-47-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2296-48-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2296-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2296-20-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2296-151-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2296-14-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2296-13-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2296-17-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2296-108-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2296-109-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2296-11-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2296-152-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2980-105-0x00000000002C0000-0x00000000002C1000-memory.dmp

            Filesize

            4KB

          • memory/2980-106-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2980-107-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2980-172-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2980-171-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2980-210-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2980-209-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB