Analysis

  • max time kernel
    120s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    01-02-2025 22:21

General

  • Target

    514856a77aa9e2ebfa16607d18f420b84aa48e1aac533677b47c312cb6e4dbe3N.dll

  • Size

    120KB

  • MD5

    03f0a47c7a5e3f4cfb5244b510cd61a0

  • SHA1

    3878207f2814b48f76249357938ee18226175a81

  • SHA256

    514856a77aa9e2ebfa16607d18f420b84aa48e1aac533677b47c312cb6e4dbe3

  • SHA512

    e86e114738698b3e99240d47cdeafd03d77593fbfe92d3d4440370a12390ba140d9f58036aba7898b55e6f4b7fdab7d195a26030e4bfebde96a384413cc051b5

  • SSDEEP

    1536:Hs7FJkDKARlakqs4/DIkGFS7XCPIDlm0NeG5efnLWWh3M/jusxXuvhH2rmEV3:Hs7FJMvI8MGa2n1zguJQ3

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 16 IoCs

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

  • UPX packed file 24 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:1056
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1084
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1176
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\514856a77aa9e2ebfa16607d18f420b84aa48e1aac533677b47c312cb6e4dbe3N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2552
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\514856a77aa9e2ebfa16607d18f420b84aa48e1aac533677b47c312cb6e4dbe3N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2196
              • C:\Users\Admin\AppData\Local\Temp\f76b606.exe
                C:\Users\Admin\AppData\Local\Temp\f76b606.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:2520
              • C:\Users\Admin\AppData\Local\Temp\f76b867.exe
                C:\Users\Admin\AppData\Local\Temp\f76b867.exe
                4⤵
                • Executes dropped EXE
                PID:2788
              • C:\Users\Admin\AppData\Local\Temp\f76d172.exe
                C:\Users\Admin\AppData\Local\Temp\f76d172.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:2396
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1760

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            8187b943a5e45ff6b09f5830053a21eb

            SHA1

            42844a81f7332e6b9ca0885eea88ab77c74d0916

            SHA256

            2c26a46df3a5038e531be2ccd58702be9affa3df17d5c7258434d4cd2a5fad32

            SHA512

            ed57b0b83e0009843effdf09289fadb22edd853ad40e930b8dd56f8f9c4ddb8fd38a1dd50cb68717fef36b957eda23f9d2968f1b5b877798a52624e15c32c1c2

          • \Users\Admin\AppData\Local\Temp\f76b606.exe

            Filesize

            97KB

            MD5

            01baa4461411df3dc6d480ed6e1b9c30

            SHA1

            0e0e2cdb6c0d8b404a9baf91a71f2ba7299f536f

            SHA256

            834e1cb99516be9ced06c76b9f08deb433f12a339ff73d124ddcc43a596c716b

            SHA512

            8a895d5bd11c6b109eecbfe6c2ffff43b9d84eab17737e9b04f16ec373215ec24237ccbbfe0e89da17eb99e2cdcd434a450b27a8b9ba2b6afd1e67fa09444222

          • memory/1056-32-0x00000000001D0000-0x00000000001D2000-memory.dmp

            Filesize

            8KB

          • memory/2196-76-0x00000000002B0000-0x00000000002C2000-memory.dmp

            Filesize

            72KB

          • memory/2196-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2196-42-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2196-12-0x00000000000D0000-0x00000000000E2000-memory.dmp

            Filesize

            72KB

          • memory/2196-10-0x00000000000D0000-0x00000000000E2000-memory.dmp

            Filesize

            72KB

          • memory/2196-60-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2196-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2196-61-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2196-63-0x0000000000210000-0x0000000000222000-memory.dmp

            Filesize

            72KB

          • memory/2196-44-0x0000000000200000-0x0000000000201000-memory.dmp

            Filesize

            4KB

          • memory/2196-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2196-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2196-81-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2196-84-0x00000000002B0000-0x00000000002C2000-memory.dmp

            Filesize

            72KB

          • memory/2196-86-0x00000000000D0000-0x00000000000D2000-memory.dmp

            Filesize

            8KB

          • memory/2196-43-0x0000000000200000-0x0000000000201000-memory.dmp

            Filesize

            4KB

          • memory/2396-117-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2396-116-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2396-143-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2396-177-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2396-219-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2396-220-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2520-19-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2520-88-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2520-14-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2520-52-0x0000000000280000-0x0000000000282000-memory.dmp

            Filesize

            8KB

          • memory/2520-66-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2520-65-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2520-67-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2520-68-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2520-69-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2520-71-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2520-72-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2520-51-0x0000000000280000-0x0000000000282000-memory.dmp

            Filesize

            8KB

          • memory/2520-22-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2520-25-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2520-17-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2520-50-0x0000000001760000-0x0000000001761000-memory.dmp

            Filesize

            4KB

          • memory/2520-89-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2520-91-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2520-93-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2520-18-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2520-26-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2520-21-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2520-20-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2520-23-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2520-24-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2520-164-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2520-165-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2788-169-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2788-107-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2788-114-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2788-106-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2788-64-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB