Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    07-12-2024 00:00

General

  • Target

    c77374f0a191fb3e6aa32ea4e5c4ce7fe46424b226e843833c43e4974994c888N.dll

  • Size

    120KB

  • MD5

    98b63c99cc682f0f238af51920bd42b0

  • SHA1

    2e16d1bbef0346a76b84aa1d533accc51d9f25d5

  • SHA256

    c77374f0a191fb3e6aa32ea4e5c4ce7fe46424b226e843833c43e4974994c888

  • SHA512

    6120ed94d3f1b4a98d5e1867a8d3c1dac21f37ef6bd1626ddd9604dd00c8cf3a7afc2cfd95ad115e0a6fb3837a23d389a51ea97d2d130c380642741e4bb3411a

  • SSDEEP

    1536:Wwxm+3gQzMGFjvLkBm9sdBYwM8X8jVQLtYS1umyVXS9HQdXgmcm5:Jx3ljvV9sdSq8jVQLOUyVXSJQdXwm5

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 23 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 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1128
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1212
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1268
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\c77374f0a191fb3e6aa32ea4e5c4ce7fe46424b226e843833c43e4974994c888N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2972
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\c77374f0a191fb3e6aa32ea4e5c4ce7fe46424b226e843833c43e4974994c888N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2300
              • C:\Users\Admin\AppData\Local\Temp\f76d78a.exe
                C:\Users\Admin\AppData\Local\Temp\f76d78a.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:2288
              • C:\Users\Admin\AppData\Local\Temp\f76d92f.exe
                C:\Users\Admin\AppData\Local\Temp\f76d92f.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:2868
              • C:\Users\Admin\AppData\Local\Temp\f76f2e7.exe
                C:\Users\Admin\AppData\Local\Temp\f76f2e7.exe
                4⤵
                • Executes dropped EXE
                PID:1644
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:628

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            aec57e54bf7751610262637068bb4a2d

            SHA1

            207e9ca69073343d062acd71e17528b9b75da5b3

            SHA256

            b9a9caf69c2ae2aaa78c13ab9c813ef46efc2da02f61a08139e0376fc12e25ef

            SHA512

            729e60a5ad392c6caf8528afb362e2d1b31297b6cfd001fe01e303e3796c35e9e05bd5b24918b8d0ebafe097f51670e0715d2dac19e7b8bd03b942f0c24b1301

          • \Users\Admin\AppData\Local\Temp\f76d78a.exe

            Filesize

            97KB

            MD5

            c337a314f6dfeb91a07dde0313a5cfa3

            SHA1

            57e0f96ad664f3aa9893510e4e96c7710c2eb2ac

            SHA256

            271908ff427ba63779a901b1aab2fabf12673e96149e3c86540398f6b7aebf9f

            SHA512

            558bc9bb77d3fb8a17e96a55a61771f85717f05bd0fd941b3a2d75ff01b1eecdc1024cc90fcd692fcb237046510dd96e60ab36a6f73d8c189a0667cb4f45c11a

          • memory/1128-31-0x0000000000210000-0x0000000000212000-memory.dmp

            Filesize

            8KB

          • memory/1644-200-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1644-192-0x0000000000270000-0x0000000000272000-memory.dmp

            Filesize

            8KB

          • memory/1644-113-0x0000000000280000-0x0000000000281000-memory.dmp

            Filesize

            4KB

          • memory/1644-115-0x0000000000270000-0x0000000000272000-memory.dmp

            Filesize

            8KB

          • memory/2288-21-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2288-20-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2288-15-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2288-18-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2288-159-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2288-160-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2288-22-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2288-14-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2288-17-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2288-25-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2288-24-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2288-54-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2288-52-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2288-72-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2288-50-0x0000000000560000-0x0000000000561000-memory.dmp

            Filesize

            4KB

          • memory/2288-92-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2288-23-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2288-19-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2288-90-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2288-88-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2288-77-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2288-73-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2288-66-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2288-67-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2288-68-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2288-69-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2288-70-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2300-51-0x0000000000790000-0x0000000000791000-memory.dmp

            Filesize

            4KB

          • memory/2300-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2300-86-0x0000000001E90000-0x0000000001EA2000-memory.dmp

            Filesize

            72KB

          • memory/2300-85-0x0000000000780000-0x0000000000782000-memory.dmp

            Filesize

            8KB

          • memory/2300-61-0x0000000000780000-0x0000000000782000-memory.dmp

            Filesize

            8KB

          • memory/2300-62-0x00000000007A0000-0x00000000007B2000-memory.dmp

            Filesize

            72KB

          • memory/2300-63-0x0000000000780000-0x0000000000782000-memory.dmp

            Filesize

            8KB

          • memory/2300-41-0x0000000000790000-0x0000000000791000-memory.dmp

            Filesize

            4KB

          • memory/2300-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2300-12-0x0000000000260000-0x0000000000272000-memory.dmp

            Filesize

            72KB

          • memory/2300-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2300-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2300-40-0x0000000000780000-0x0000000000782000-memory.dmp

            Filesize

            8KB

          • memory/2300-11-0x0000000000260000-0x0000000000272000-memory.dmp

            Filesize

            72KB

          • memory/2868-134-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2868-105-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2868-65-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2868-104-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/2868-191-0x0000000000A00000-0x0000000001ABA000-memory.dmp

            Filesize

            16.7MB

          • memory/2868-196-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2868-195-0x0000000000A00000-0x0000000001ABA000-memory.dmp

            Filesize

            16.7MB

          • memory/2868-107-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB