Analysis

  • max time kernel
    14s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    23-07-2024 04:17

General

  • Target

    63bf82b7bd6f481c0ca2ba4618f2e800N.exe

  • Size

    216KB

  • MD5

    63bf82b7bd6f481c0ca2ba4618f2e800

  • SHA1

    8c4b139e9bbba1aa4da71e96aa434643e9e9f7df

  • SHA256

    2073c59a323a901cf607b310b15125ef457e8c8c7fda2dce33c93f7bdd92aff3

  • SHA512

    8acff7ef8a861f28469100357aee9e6677c5544f1d200c64d3f8cbea6cb174b6ce57d810cb6ea01cd6b0326d251f7f843b2d41606bb6f235bf3d404bb5a71b65

  • SSDEEP

    3072:mv+htWMtf+7GZYGVA2QJgi8xJLDoUPJEeUFMskH3dJV4CJruNs0:4EGqZYGVd82PDNEzFMXH3df1Jr30

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

http://www.klkjwre9fqwieluoi.info/

http://kukutrustnet777888.info/

Signatures

  • FatalRat

    FatalRat is a modular infostealer family written in C++ first appearing in June 2021.

  • Modifies firewall policy service 3 TTPs 6 IoCs
  • Sality

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

  • UAC bypass 3 TTPs 2 IoCs
  • Windows security bypass 2 TTPs 18 IoCs
  • Fatal Rat payload 2 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 33 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Windows security modification 2 TTPs 20 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 11 IoCs

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

  • Drops file in Windows directory 3 IoCs
  • Modifies data under HKEY_USERS 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1048
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1112
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1136
          • C:\Users\Admin\AppData\Local\Temp\63bf82b7bd6f481c0ca2ba4618f2e800N.exe
            "C:\Users\Admin\AppData\Local\Temp\63bf82b7bd6f481c0ca2ba4618f2e800N.exe"
            2⤵
            • Modifies firewall policy service
            • UAC bypass
            • Windows security bypass
            • Windows security modification
            • Checks whether UAC is enabled
            • Enumerates connected drives
            • Drops file in Windows directory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            • System policy modification
            PID:904
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1004
          • C:\Windows\Nopqrs.exe
            C:\Windows\Nopqrs.exe
            1⤵
            • Modifies firewall policy service
            • UAC bypass
            • Windows security bypass
            • Executes dropped EXE
            • Windows security modification
            • Checks whether UAC is enabled
            • Enumerates connected drives
            • Modifies data under HKEY_USERS
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            • System policy modification
            PID:1460

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\Nopqrs.exe

            Filesize

            216KB

            MD5

            63bf82b7bd6f481c0ca2ba4618f2e800

            SHA1

            8c4b139e9bbba1aa4da71e96aa434643e9e9f7df

            SHA256

            2073c59a323a901cf607b310b15125ef457e8c8c7fda2dce33c93f7bdd92aff3

            SHA512

            8acff7ef8a861f28469100357aee9e6677c5544f1d200c64d3f8cbea6cb174b6ce57d810cb6ea01cd6b0326d251f7f843b2d41606bb6f235bf3d404bb5a71b65

          • C:\Windows\SYSTEM.INI

            Filesize

            255B

            MD5

            bd91fbd56ae022642eee1d68f55cc25e

            SHA1

            2cd6aebb9bc68b4e118063a4eabf18908f6dcccf

            SHA256

            44970171475cf18dac2c5fc978fb2cdba8731dbd2e1517d098db1f82122a2162

            SHA512

            dd5702545095d1cddc7a2645340a0b875b2e2cdae7bd4fa6eb15acdd86c9ce42bc6ad5c8673a880271d040f535a05d615e69385026f823a7dd8ead2a87740ece

          • memory/904-37-0x00000000005B0000-0x000000000163E000-memory.dmp

            Filesize

            16.6MB

          • memory/904-29-0x00000000005B0000-0x000000000163E000-memory.dmp

            Filesize

            16.6MB

          • memory/904-28-0x0000000002F70000-0x0000000002F72000-memory.dmp

            Filesize

            8KB

          • memory/904-14-0x00000000005B0000-0x000000000163E000-memory.dmp

            Filesize

            16.6MB

          • memory/904-13-0x00000000005B0000-0x000000000163E000-memory.dmp

            Filesize

            16.6MB

          • memory/904-12-0x00000000005B0000-0x000000000163E000-memory.dmp

            Filesize

            16.6MB

          • memory/904-11-0x00000000005B0000-0x000000000163E000-memory.dmp

            Filesize

            16.6MB

          • memory/904-10-0x00000000005B0000-0x000000000163E000-memory.dmp

            Filesize

            16.6MB

          • memory/904-9-0x00000000005B0000-0x000000000163E000-memory.dmp

            Filesize

            16.6MB

          • memory/904-27-0x0000000002F70000-0x0000000002F72000-memory.dmp

            Filesize

            8KB

          • memory/904-26-0x0000000003F50000-0x0000000003F51000-memory.dmp

            Filesize

            4KB

          • memory/904-24-0x0000000003F50000-0x0000000003F51000-memory.dmp

            Filesize

            4KB

          • memory/904-23-0x0000000002F70000-0x0000000002F72000-memory.dmp

            Filesize

            8KB

          • memory/904-72-0x00000000005B0000-0x000000000163E000-memory.dmp

            Filesize

            16.6MB

          • memory/904-7-0x00000000005B0000-0x000000000163E000-memory.dmp

            Filesize

            16.6MB

          • memory/904-2-0x0000000010000000-0x000000001001C000-memory.dmp

            Filesize

            112KB

          • memory/904-30-0x00000000005B0000-0x000000000163E000-memory.dmp

            Filesize

            16.6MB

          • memory/904-31-0x00000000005B0000-0x000000000163E000-memory.dmp

            Filesize

            16.6MB

          • memory/904-33-0x00000000005B0000-0x000000000163E000-memory.dmp

            Filesize

            16.6MB

          • memory/904-32-0x00000000005B0000-0x000000000163E000-memory.dmp

            Filesize

            16.6MB

          • memory/904-35-0x00000000005B0000-0x000000000163E000-memory.dmp

            Filesize

            16.6MB

          • memory/904-36-0x00000000005B0000-0x000000000163E000-memory.dmp

            Filesize

            16.6MB

          • memory/904-142-0x0000000002F70000-0x0000000002F72000-memory.dmp

            Filesize

            8KB

          • memory/904-15-0x00000000005B0000-0x000000000163E000-memory.dmp

            Filesize

            16.6MB

          • memory/904-68-0x00000000005B0000-0x000000000163E000-memory.dmp

            Filesize

            16.6MB

          • memory/904-16-0x00000000005B0000-0x000000000163E000-memory.dmp

            Filesize

            16.6MB

          • memory/904-149-0x0000000004690000-0x0000000004692000-memory.dmp

            Filesize

            8KB

          • memory/904-0-0x0000000000400000-0x0000000000436000-memory.dmp

            Filesize

            216KB

          • memory/904-87-0x00000000046E0000-0x00000000046E1000-memory.dmp

            Filesize

            4KB

          • memory/904-88-0x0000000004690000-0x0000000004692000-memory.dmp

            Filesize

            8KB

          • memory/904-38-0x00000000005B0000-0x000000000163E000-memory.dmp

            Filesize

            16.6MB

          • memory/1048-17-0x00000000001D0000-0x00000000001D2000-memory.dmp

            Filesize

            8KB

          • memory/1460-73-0x00000000005B0000-0x000000000163E000-memory.dmp

            Filesize

            16.6MB

          • memory/1460-52-0x00000000005B0000-0x000000000163E000-memory.dmp

            Filesize

            16.6MB

          • memory/1460-51-0x00000000005B0000-0x000000000163E000-memory.dmp

            Filesize

            16.6MB

          • memory/1460-70-0x00000000005B0000-0x000000000163E000-memory.dmp

            Filesize

            16.6MB

          • memory/1460-69-0x00000000005B0000-0x000000000163E000-memory.dmp

            Filesize

            16.6MB

          • memory/1460-50-0x00000000005B0000-0x000000000163E000-memory.dmp

            Filesize

            16.6MB

          • memory/1460-53-0x00000000005B0000-0x000000000163E000-memory.dmp

            Filesize

            16.6MB

          • memory/1460-48-0x00000000005B0000-0x000000000163E000-memory.dmp

            Filesize

            16.6MB

          • memory/1460-54-0x00000000005B0000-0x000000000163E000-memory.dmp

            Filesize

            16.6MB

          • memory/1460-55-0x00000000005B0000-0x000000000163E000-memory.dmp

            Filesize

            16.6MB

          • memory/1460-56-0x00000000005B0000-0x000000000163E000-memory.dmp

            Filesize

            16.6MB

          • memory/1460-57-0x00000000005B0000-0x000000000163E000-memory.dmp

            Filesize

            16.6MB

          • memory/1460-137-0x0000000000400000-0x0000000000436000-memory.dmp

            Filesize

            216KB

          • memory/1460-41-0x0000000000400000-0x0000000000436000-memory.dmp

            Filesize

            216KB

          • memory/1460-58-0x00000000005B0000-0x000000000163E000-memory.dmp

            Filesize

            16.6MB