Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    17-12-2024 08:04

General

  • Target

    4c85613aa47dbea93f7886be7d7291c868998d4cc6ba86ce302e55ffe15971dcN.dll

  • Size

    120KB

  • MD5

    93bc5b7381efb536db38612d81b93300

  • SHA1

    e34a383f9efa88a7683180327c066c31a0af09a3

  • SHA256

    4c85613aa47dbea93f7886be7d7291c868998d4cc6ba86ce302e55ffe15971dc

  • SHA512

    7cab1f6a46627f58525a2b382bf3480be4989b801663cfd21ba3a5c7b3255e51634e09c2e6f9daf784564df1b5d12e6223acbef2d44d19de5724498283639527

  • SSDEEP

    3072:jJUAM5JRCZomxeNa0G0jwM8Oj1MD1fMvYhk7O5E:NU7jRbmxea0G0jC1fxC

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 12 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 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:1160
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1184
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\4c85613aa47dbea93f7886be7d7291c868998d4cc6ba86ce302e55ffe15971dcN.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2404
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\4c85613aa47dbea93f7886be7d7291c868998d4cc6ba86ce302e55ffe15971dcN.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2460
              • C:\Users\Admin\AppData\Local\Temp\f7706f3.exe
                C:\Users\Admin\AppData\Local\Temp\f7706f3.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:1768
              • C:\Users\Admin\AppData\Local\Temp\f7708a8.exe
                C:\Users\Admin\AppData\Local\Temp\f7708a8.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:2520
              • C:\Users\Admin\AppData\Local\Temp\f772877.exe
                C:\Users\Admin\AppData\Local\Temp\f772877.exe
                4⤵
                • Executes dropped EXE
                PID:1960
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1520

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f7706f3.exe

            Filesize

            97KB

            MD5

            22b5ce56a221b8e92051cd3aafa91c34

            SHA1

            6383d9d7df6632c2f9f6e7bce017be1a42425934

            SHA256

            5809c850eeb0359477ce617a961c4756c2e6334d7053083c160af7b342e7f529

            SHA512

            8b13fd3ddf22d8bcb5567ecefb2b31fc302f6dd7aa9ae2a9941a2cd70746a2bcd48bf93fb5410611d3b3de728c0eea19975783e5e444d801cafb09fa84d66278

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            264fc0da71a606f7187058988391910a

            SHA1

            50ba29bbf18fc99ab30098f9c90ecb16eaa172b8

            SHA256

            dd6314e55ff8a246d24d09aa5e9cb3024477aff3f981fb1626da8d5159ce831d

            SHA512

            9b7f29ce977dabcd2925cf8e0cb6321b6e45dbceaca2302431efe5cea43d2dbffe6e30cc5d92bf815c697a7fbf6559f2ef4e25374d958802bf2e22840e3e7c4e

          • memory/1104-28-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/1768-64-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1768-63-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1768-16-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1768-18-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1768-20-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1768-19-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1768-66-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1768-50-0x0000000002E40000-0x0000000002E42000-memory.dmp

            Filesize

            8KB

          • memory/1768-86-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1768-71-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1768-11-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1768-68-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1768-150-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1768-14-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1768-21-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1768-17-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1768-15-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1768-151-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1768-111-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1768-70-0x0000000002E40000-0x0000000002E42000-memory.dmp

            Filesize

            8KB

          • memory/1768-65-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1768-22-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1768-85-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1768-12-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1768-87-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1768-47-0x0000000003CE0000-0x0000000003CE1000-memory.dmp

            Filesize

            4KB

          • memory/1960-110-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/1960-108-0x00000000002C0000-0x00000000002C1000-memory.dmp

            Filesize

            4KB

          • memory/1960-164-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/1960-193-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2460-37-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/2460-60-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/2460-74-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/2460-46-0x0000000000180000-0x0000000000181000-memory.dmp

            Filesize

            4KB

          • memory/2460-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2460-53-0x0000000000190000-0x00000000001A2000-memory.dmp

            Filesize

            72KB

          • memory/2460-59-0x0000000000190000-0x00000000001A2000-memory.dmp

            Filesize

            72KB

          • memory/2460-8-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2460-9-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2460-81-0x00000000001F0000-0x0000000000202000-memory.dmp

            Filesize

            72KB

          • memory/2460-38-0x0000000000180000-0x0000000000181000-memory.dmp

            Filesize

            4KB

          • memory/2520-62-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2520-127-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2520-106-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2520-163-0x0000000000A00000-0x0000000001ABA000-memory.dmp

            Filesize

            16.7MB

          • memory/2520-107-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2520-189-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2520-188-0x0000000000A00000-0x0000000001ABA000-memory.dmp

            Filesize

            16.7MB

          • memory/2520-99-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB