Analysis

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

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    30-12-2024 14:36

General

  • Target

    8443cdf3e9858a271ad0af65d4e76714fb874ced7c6a52a4ea4225bd280094e7N.dll

  • Size

    120KB

  • MD5

    61f548c0904104195dede2c1c45410c0

  • SHA1

    c322f1da2ebb06f11f04e360675205d12ecfb8c8

  • SHA256

    8443cdf3e9858a271ad0af65d4e76714fb874ced7c6a52a4ea4225bd280094e7

  • SHA512

    c5ab1050d95ed126ac9407b7bfef8dcae45e6a4194d7d3d9d30f7f01d141134836b3b06b0ec68c4ceac180a947acb0f342080c3e7d50d37bab3c8327e3ad40be

  • SSDEEP

    3072:N4Zh5gLRUPXcGZ7RhUIF9ah05E9pMkpFWNwzBpmHC:N4fg+PXcGZNhUIFghUkpQKzP

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 25 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:1116
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1176
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1232
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\8443cdf3e9858a271ad0af65d4e76714fb874ced7c6a52a4ea4225bd280094e7N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1960
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\8443cdf3e9858a271ad0af65d4e76714fb874ced7c6a52a4ea4225bd280094e7N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2644
              • C:\Users\Admin\AppData\Local\Temp\f77586d.exe
                C:\Users\Admin\AppData\Local\Temp\f77586d.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:2128
              • C:\Users\Admin\AppData\Local\Temp\f775cdf.exe
                C:\Users\Admin\AppData\Local\Temp\f775cdf.exe
                4⤵
                • Executes dropped EXE
                PID:1336
              • C:\Users\Admin\AppData\Local\Temp\f777417.exe
                C:\Users\Admin\AppData\Local\Temp\f777417.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:444
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:872

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            bf29b5d57d4b23041c4a7fe4b11372e1

            SHA1

            477450a02229c4bd35b9221d86842351c009277e

            SHA256

            1b0278ab8d045357c6b15ab7ceddf73bca47ad390796e5e84f0e195d31aa9384

            SHA512

            75d4a604630c2902ddcf7ba870e4aa28db73bec64dbf436db141e84b984c5fbb701f10fcaa8727d71a41796dd2eb6f7d9d5b7931c937abe73a2be052e8676783

          • \Users\Admin\AppData\Local\Temp\f77586d.exe

            Filesize

            97KB

            MD5

            35fc85d571b4b495a7e84a32414fd245

            SHA1

            880db62ab4f63ce666a5dd8f8e5ab3786b0ed4af

            SHA256

            e3c0f5aaf3b895e6c67e100b201ac090164139ddc21ac3a852d361ca8b1545a3

            SHA512

            bcd8f0c48402b9a4171837d9b86ea51cfaefe319f75fbed58d6d3129e44a7e5b0560cdbdc023f81e26c30fa63f53a4e0ce88d0bc07e20dc0ff099856f5bfb1e4

          • memory/444-106-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/444-204-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/444-205-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/444-168-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/444-82-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/444-108-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/444-107-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/1116-31-0x0000000001F10000-0x0000000001F12000-memory.dmp

            Filesize

            8KB

          • memory/1336-127-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1336-102-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1336-101-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1336-100-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/1336-61-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2128-88-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2128-23-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2128-52-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2128-21-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2128-151-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2128-150-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2128-50-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2128-49-0x0000000000560000-0x0000000000561000-memory.dmp

            Filesize

            4KB

          • memory/2128-17-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2128-22-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2128-16-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2128-19-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2128-24-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2128-62-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2128-63-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2128-64-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2128-65-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2128-66-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2128-68-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2128-69-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2128-20-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2128-25-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2128-84-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2128-85-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2128-18-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2128-89-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2128-90-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2644-7-0x00000000001C0000-0x00000000001D2000-memory.dmp

            Filesize

            72KB

          • memory/2644-72-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/2644-39-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/2644-40-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/2644-41-0x0000000000250000-0x0000000000251000-memory.dmp

            Filesize

            4KB

          • memory/2644-42-0x0000000000250000-0x0000000000251000-memory.dmp

            Filesize

            4KB

          • memory/2644-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2644-51-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/2644-60-0x0000000000360000-0x0000000000372000-memory.dmp

            Filesize

            72KB

          • memory/2644-10-0x00000000001C0000-0x00000000001D2000-memory.dmp

            Filesize

            72KB

          • memory/2644-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2644-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2644-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB