Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    28-12-2024 04:09

General

  • Target

    efd57058021b7765eda279f18c7d6fd996957b3a55638055a956a1d7d757b566.dll

  • Size

    120KB

  • MD5

    9b82742a7982e5566ccd71d27601cefc

  • SHA1

    cee59a8b6e0fe2ebd0ef94986af30c8865de6d9b

  • SHA256

    efd57058021b7765eda279f18c7d6fd996957b3a55638055a956a1d7d757b566

  • SHA512

    9cb3bf33719c54fc1361f20ecd7c4d9dede60cdf976a891f8992b8dc23200c2028740308b4793b1ba2d5de6303562b25c62eea65f94a0ac489b68fd31018fbcc

  • SSDEEP

    1536:UllswVuGrR4bFb31iv9HqEVviq/AuPGQYrp8y5V8Gg3tZ2+Itccj2d4ru/ibY:S2w9rR0biPV4mYrp8yj8GuImChu/i0

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 18 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:1116
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1164
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1236
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\efd57058021b7765eda279f18c7d6fd996957b3a55638055a956a1d7d757b566.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2848
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\efd57058021b7765eda279f18c7d6fd996957b3a55638055a956a1d7d757b566.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2640
              • C:\Users\Admin\AppData\Local\Temp\f76ec42.exe
                C:\Users\Admin\AppData\Local\Temp\f76ec42.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:2272
              • C:\Users\Admin\AppData\Local\Temp\f76ede8.exe
                C:\Users\Admin\AppData\Local\Temp\f76ede8.exe
                4⤵
                • Executes dropped EXE
                PID:2668
              • C:\Users\Admin\AppData\Local\Temp\f770df5.exe
                C:\Users\Admin\AppData\Local\Temp\f770df5.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:1816
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1516

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            71327cc3e0e83162c6ab942b9002c1f6

            SHA1

            cdeba938d22f7f74e16f9ac98c34d8768779bbdd

            SHA256

            bb1a14aae2d8bd91d67e20251f716534040e340b8a71ca8cba9ac14e9f1aa5c2

            SHA512

            54688d315d00296b4be48af4e74aa4a2864f7c48dfa1974fb8a06986a09170477ec015a5e1b2b0ec1f4623a1b7499e9e594bfe72005a5c83708db431eb5780b3

          • \Users\Admin\AppData\Local\Temp\f76ec42.exe

            Filesize

            97KB

            MD5

            97f8d74144ab85a95357505919849db7

            SHA1

            c52635a9f14f2f1e1115733c9b0f2a0c0c24a3f6

            SHA256

            7e36583cc23adb1f6ceead54a6aac639c74a7ce4ffb92e6de3442b168b6d2296

            SHA512

            1f4c14fa829eec9ca0ca1c5a8fb77b42d24bfedc69483056d7eb02c23e8a75c2661736e6115835e6a50f2b1c153ee73f7112f430026c62973d1250370908ecf8

          • memory/1116-31-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/1816-209-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1816-210-0x0000000000970000-0x0000000001A2A000-memory.dmp

            Filesize

            16.7MB

          • memory/1816-166-0x0000000000970000-0x0000000001A2A000-memory.dmp

            Filesize

            16.7MB

          • memory/1816-104-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/1816-107-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1816-105-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1816-86-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2272-17-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2272-19-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2272-24-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2272-51-0x0000000000590000-0x0000000000592000-memory.dmp

            Filesize

            8KB

          • memory/2272-151-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2272-150-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2272-13-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2272-59-0x0000000000590000-0x0000000000592000-memory.dmp

            Filesize

            8KB

          • memory/2272-15-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2272-49-0x00000000005B0000-0x00000000005B1000-memory.dmp

            Filesize

            4KB

          • memory/2272-21-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2272-89-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2272-73-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2272-18-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2272-23-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2272-20-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2272-87-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2272-25-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2272-64-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2272-66-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2272-65-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2272-67-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2272-69-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2272-70-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2272-71-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2272-72-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2272-22-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2640-7-0x00000000001B0000-0x00000000001C2000-memory.dmp

            Filesize

            72KB

          • memory/2640-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2640-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2640-41-0x00000000001E0000-0x00000000001E1000-memory.dmp

            Filesize

            4KB

          • memory/2640-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2640-40-0x00000000001D0000-0x00000000001D2000-memory.dmp

            Filesize

            8KB

          • memory/2640-58-0x00000000001D0000-0x00000000001D2000-memory.dmp

            Filesize

            8KB

          • memory/2640-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2640-82-0x00000000001D0000-0x00000000001D2000-memory.dmp

            Filesize

            8KB

          • memory/2640-43-0x00000000001E0000-0x00000000001E1000-memory.dmp

            Filesize

            4KB

          • memory/2640-60-0x0000000000280000-0x0000000000292000-memory.dmp

            Filesize

            72KB

          • memory/2640-61-0x0000000000590000-0x000000000059E000-memory.dmp

            Filesize

            56KB

          • memory/2668-63-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2668-108-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2668-180-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2668-127-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2668-100-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB