Analysis

  • max time kernel
    117s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    09-12-2024 00:54

General

  • Target

    8d68323c9ba9d98dac7fa3a13b8691f8d451e18de388658e8d1a4d8b15261ae5.dll

  • Size

    120KB

  • MD5

    6a05d1e79242b6010760a499241fc1c2

  • SHA1

    9e69a022712fd5f37ecf14a27fb0c78681d9982a

  • SHA256

    8d68323c9ba9d98dac7fa3a13b8691f8d451e18de388658e8d1a4d8b15261ae5

  • SHA512

    1dfc0e89b4ad498a91accbe27b7abbeca95a975231739391cf16548ac5af7be14fed4720dd022d715e7c4b25075a7c1dee25e7a7a6d30accc7477acc750f4aba

  • SSDEEP

    3072:HncA3Dt/nVkSmkOBpiCtl0xfRoA6Z5HklRDAB:8AjDm5axfCAPvMB

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 9 IoCs
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • Sality family
  • UAC bypass 3 TTPs 3 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 3 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 27 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 46 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs
  • System policy modification 1 TTPs 3 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1116
    • 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\8d68323c9ba9d98dac7fa3a13b8691f8d451e18de388658e8d1a4d8b15261ae5.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2984
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\8d68323c9ba9d98dac7fa3a13b8691f8d451e18de388658e8d1a4d8b15261ae5.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2996
              • C:\Users\Admin\AppData\Local\Temp\f76c40a.exe
                C:\Users\Admin\AppData\Local\Temp\f76c40a.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:2532
              • C:\Users\Admin\AppData\Local\Temp\f76c5de.exe
                C:\Users\Admin\AppData\Local\Temp\f76c5de.exe
                4⤵
                • Modifies firewall policy service
                • UAC bypass
                • Windows security bypass
                • Executes dropped EXE
                • Windows security modification
                • Checks whether UAC is enabled
                • System policy modification
                PID:2640
              • C:\Users\Admin\AppData\Local\Temp\f76e2c1.exe
                C:\Users\Admin\AppData\Local\Temp\f76e2c1.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:2552
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1236

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            256B

            MD5

            497bd481573c7753286344ccd6dd0e18

            SHA1

            e66107565581208aaa961a125fa8f2eb021e3992

            SHA256

            f7b508ffd76c228f89e589cbf8698d5db3237c6d44ae7904b451fffd1a43386b

            SHA512

            bf644e6bd8ae1d2eef464bd9754ba71b804b3c7e0d67cd773c37e1a85da9bdd732a1e2ce232f72698b285b711bc33ec74d7b17c71e774c0dae2a6f0ff1675677

          • \Users\Admin\AppData\Local\Temp\f76c40a.exe

            Filesize

            97KB

            MD5

            7f17cf0c4dd94c25a3bc5061a3d2e6c3

            SHA1

            a58fe6a944166c8f89abfd4b4c702af60701a060

            SHA256

            422b263edfe90ddcdb74d23545ab558cc0cd252fe9f28227ec309d500d6d152d

            SHA512

            e9bdb61f1b369e77acadb6a1e8be028313266b2da4aecbcece13c9fb10b3f7ccc0dfcecc2686f534a45da1e7c6c7f98aaadba2258a93b69dac7fe2e721691be7

          • memory/1116-32-0x0000000001FB0000-0x0000000001FB2000-memory.dmp

            Filesize

            8KB

          • memory/2532-65-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2532-97-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2532-66-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2532-103-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2532-152-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2532-18-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2532-22-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2532-46-0x00000000004F0000-0x00000000004F1000-memory.dmp

            Filesize

            4KB

          • memory/2532-49-0x00000000004E0000-0x00000000004E2000-memory.dmp

            Filesize

            8KB

          • memory/2532-87-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2532-48-0x00000000004E0000-0x00000000004E2000-memory.dmp

            Filesize

            8KB

          • memory/2532-24-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2532-88-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2532-64-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2532-14-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2532-153-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2532-25-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2532-23-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2532-19-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2532-21-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2532-20-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2532-17-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2532-26-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2532-68-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2532-69-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2532-71-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2532-70-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2532-62-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2532-63-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2552-112-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2552-159-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2552-208-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2552-209-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2552-110-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2552-84-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2552-174-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2640-61-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2640-160-0x0000000000920000-0x00000000019DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2640-158-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2640-131-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2640-101-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/2640-109-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2640-102-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2996-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2996-40-0x0000000000140000-0x0000000000141000-memory.dmp

            Filesize

            4KB

          • memory/2996-57-0x0000000000130000-0x0000000000132000-memory.dmp

            Filesize

            8KB

          • memory/2996-7-0x00000000000C0000-0x00000000000D2000-memory.dmp

            Filesize

            72KB

          • memory/2996-52-0x00000000002A0000-0x00000000002B2000-memory.dmp

            Filesize

            72KB

          • memory/2996-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2996-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2996-13-0x00000000000C0000-0x00000000000D2000-memory.dmp

            Filesize

            72KB

          • memory/2996-39-0x0000000000140000-0x0000000000141000-memory.dmp

            Filesize

            4KB

          • memory/2996-38-0x0000000000130000-0x0000000000132000-memory.dmp

            Filesize

            8KB

          • memory/2996-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2996-83-0x00000000000C0000-0x00000000000C2000-memory.dmp

            Filesize

            8KB

          • memory/2996-59-0x0000000000130000-0x0000000000132000-memory.dmp

            Filesize

            8KB

          • memory/2996-58-0x00000000002A0000-0x00000000002B2000-memory.dmp

            Filesize

            72KB