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
    16-12-2024 00:40

General

  • Target

    5b48b4bd8d84759d387a3d686c9a0d3458171f02744bb3a0d2b9941b2aa4f4d9N.dll

  • Size

    120KB

  • MD5

    bc3eb46b1a1afaa42cf91e27e6294630

  • SHA1

    9a766f8e4a8891637a5cebbd81e585e2cec70463

  • SHA256

    5b48b4bd8d84759d387a3d686c9a0d3458171f02744bb3a0d2b9941b2aa4f4d9

  • SHA512

    e687c3d705b308843921437d6f083e8fe4312b0a9b6c8a418c5d9ef322662be70c4d7733467c94755ed2ecf16580ed585f7473b254d7ebd616957947b3ad84c5

  • SSDEEP

    3072:1Rah7R7qX7SsGEpWgzfHYhTh3lq1oDiqLsXZEqIs:1y7JHsRlfi1lqTqQZEqIs

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 15 IoCs

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

  • UPX packed file 26 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:1208
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\5b48b4bd8d84759d387a3d686c9a0d3458171f02744bb3a0d2b9941b2aa4f4d9N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2644
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\5b48b4bd8d84759d387a3d686c9a0d3458171f02744bb3a0d2b9941b2aa4f4d9N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2260
              • C:\Users\Admin\AppData\Local\Temp\f76f9ca.exe
                C:\Users\Admin\AppData\Local\Temp\f76f9ca.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:2800
              • C:\Users\Admin\AppData\Local\Temp\f76fb6f.exe
                C:\Users\Admin\AppData\Local\Temp\f76fb6f.exe
                4⤵
                • Modifies firewall policy service
                • UAC bypass
                • Windows security bypass
                • Executes dropped EXE
                • Windows security modification
                • Checks whether UAC is enabled
                • 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:800
              • C:\Users\Admin\AppData\Local\Temp\f77164e.exe
                C:\Users\Admin\AppData\Local\Temp\f77164e.exe
                4⤵
                • Executes dropped EXE
                PID:2360
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1532

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            256B

            MD5

            40071202467fd9f49d0686e3403da62a

            SHA1

            df73eb3a4bdc051c69bb46df785965db27b10a6c

            SHA256

            289130e05613b1a5854eef447a5ec792e096c861607ce26860af5f7217b87f18

            SHA512

            d435305cfdd9a9a430eda63e68ef514c5106d87c3f9053d0e9c88bd4a11cb525998927fa8d42ac5024c206308723b222bc22c82be411825e1178b3b88fd97fea

          • \Users\Admin\AppData\Local\Temp\f76f9ca.exe

            Filesize

            97KB

            MD5

            a56d481c661e5d4593e90a6861cd2a74

            SHA1

            2d86b9ad82d76d60bd00067e1eccd2cd821b8743

            SHA256

            95222a4bb80531aa8d926a0f3e7bec9ec60f68c6bbb2f49a5689ced632530e81

            SHA512

            8b9491a57f283811367c8b8e698f15a30c718e44dcbf77c0a2707ebf682ed52f7807b98539592abbe35393e40c569fe18bab2c5f223c1a060c952c939d7acd0a

          • memory/800-192-0x0000000000950000-0x0000000001A0A000-memory.dmp

            Filesize

            16.7MB

          • memory/800-193-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/800-174-0x0000000000950000-0x0000000001A0A000-memory.dmp

            Filesize

            16.7MB

          • memory/800-132-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/800-104-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/800-103-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/800-98-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/1104-30-0x00000000002B0000-0x00000000002B2000-memory.dmp

            Filesize

            8KB

          • memory/2260-47-0x0000000000140000-0x0000000000141000-memory.dmp

            Filesize

            4KB

          • memory/2260-38-0x0000000000140000-0x0000000000141000-memory.dmp

            Filesize

            4KB

          • memory/2260-59-0x0000000000130000-0x0000000000132000-memory.dmp

            Filesize

            8KB

          • memory/2260-58-0x0000000000150000-0x0000000000162000-memory.dmp

            Filesize

            72KB

          • memory/2260-81-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2260-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2260-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2260-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2260-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2260-56-0x0000000000130000-0x0000000000132000-memory.dmp

            Filesize

            8KB

          • memory/2260-37-0x0000000000130000-0x0000000000132000-memory.dmp

            Filesize

            8KB

          • memory/2260-6-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2260-72-0x0000000000340000-0x0000000000352000-memory.dmp

            Filesize

            72KB

          • memory/2360-108-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2360-105-0x0000000000330000-0x0000000000331000-memory.dmp

            Filesize

            4KB

          • memory/2360-106-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2360-137-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2360-197-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2360-82-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2800-68-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2800-17-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2800-65-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2800-67-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2800-63-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2800-23-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2800-62-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2800-61-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2800-83-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2800-84-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2800-87-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2800-88-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2800-13-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2800-64-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2800-20-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2800-19-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2800-15-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2800-24-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2800-107-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2800-16-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2800-18-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2800-156-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2800-157-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2800-49-0x0000000000490000-0x0000000000492000-memory.dmp

            Filesize

            8KB

          • memory/2800-21-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2800-22-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2800-46-0x00000000016E0000-0x00000000016E1000-memory.dmp

            Filesize

            4KB

          • memory/2800-57-0x0000000000490000-0x0000000000492000-memory.dmp

            Filesize

            8KB