Analysis

  • max time kernel
    119s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    16-12-2024 17:25

General

  • Target

    61ecd949c3524eb9f90463a66a67ac74b0d1681f12b9856154610f40aeb0ade3N.dll

  • Size

    120KB

  • MD5

    bf4ecb24fa84b516d7fea5dadd49cab0

  • SHA1

    2d44904ce49daffb7b0cc778117f9037a444d44f

  • SHA256

    61ecd949c3524eb9f90463a66a67ac74b0d1681f12b9856154610f40aeb0ade3

  • SHA512

    0663247b49a6f3d4c3d0899eddcf15cd88cd1f3db517dc90935246b8eea2473d60bc12cbbda9ebdf9670b75e3757ef8d2aec7a5f95871ff4546d496c633ee381

  • SSDEEP

    3072:MyIHzXTQpwFGh4U2IxQxvLy85UUvQqDfbiYEjiDqEy:BcQAGhXlxM5J9bIiGEy

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 14 IoCs

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

  • UPX packed file 26 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\Dwm.exe
    "C:\Windows\system32\Dwm.exe"
    1⤵
      PID:1052
    • C:\Windows\system32\taskhost.exe
      "taskhost.exe"
      1⤵
        PID:1072
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1148
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\61ecd949c3524eb9f90463a66a67ac74b0d1681f12b9856154610f40aeb0ade3N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2012
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\61ecd949c3524eb9f90463a66a67ac74b0d1681f12b9856154610f40aeb0ade3N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1756
              • C:\Users\Admin\AppData\Local\Temp\f76d77b.exe
                C:\Users\Admin\AppData\Local\Temp\f76d77b.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:2108
              • C:\Users\Admin\AppData\Local\Temp\f76d93f.exe
                C:\Users\Admin\AppData\Local\Temp\f76d93f.exe
                4⤵
                • Executes dropped EXE
                PID:2416
              • C:\Users\Admin\AppData\Local\Temp\f76f69e.exe
                C:\Users\Admin\AppData\Local\Temp\f76f69e.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:2568
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1956

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            53237ae8531cc3a55bbe1a95d2c9c594

            SHA1

            c8df9c7a1ce9e470b1cacac9433b0360a02d1092

            SHA256

            486b66c0a1af169f49b1489347def9a880d699e1af22ead13723ee533826990b

            SHA512

            61f75851410fd243b255d51be9421dc6c6dfcac6f2250020ed7c00ede6244adb06eb0ffd02c3ea5e564dac4f6d4819fc19db86277bbc7cc5a196233bc4b67cc7

          • \Users\Admin\AppData\Local\Temp\f76d77b.exe

            Filesize

            97KB

            MD5

            4f640461fa79075b0ed41d39ea15bc2e

            SHA1

            4bd48f2d926be5d2bdcd0375c5a2a805dd4c409d

            SHA256

            3300e32b56937fa0376cf5b91e5b4b372af0f720ee510deb8e8705b0eac6ec52

            SHA512

            86b4cc1bf796d84d310473b0c607faf20b7fcc7b79b0f16bff5cdb0c4477417a07a78639eb89b3dff7726bdd2e8ea610c57cab9a24dcc9d70925d9d271adf77a

          • memory/1052-28-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/1756-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1756-78-0x00000000001C0000-0x00000000001D2000-memory.dmp

            Filesize

            72KB

          • memory/1756-75-0x00000000002B0000-0x00000000002B2000-memory.dmp

            Filesize

            8KB

          • memory/1756-36-0x00000000002C0000-0x00000000002C1000-memory.dmp

            Filesize

            4KB

          • memory/1756-44-0x00000000002C0000-0x00000000002C1000-memory.dmp

            Filesize

            4KB

          • memory/1756-55-0x00000000002B0000-0x00000000002B2000-memory.dmp

            Filesize

            8KB

          • memory/1756-56-0x00000000007E0000-0x00000000007F2000-memory.dmp

            Filesize

            72KB

          • memory/1756-57-0x00000000002B0000-0x00000000002B2000-memory.dmp

            Filesize

            8KB

          • memory/1756-8-0x00000000001C0000-0x00000000001D2000-memory.dmp

            Filesize

            72KB

          • memory/1756-35-0x00000000002B0000-0x00000000002B2000-memory.dmp

            Filesize

            8KB

          • memory/2108-62-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2108-81-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2108-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2108-45-0x0000000000520000-0x0000000000521000-memory.dmp

            Filesize

            4KB

          • memory/2108-48-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2108-20-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2108-21-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2108-14-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2108-18-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2108-15-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2108-17-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2108-60-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2108-61-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2108-22-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2108-63-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2108-65-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2108-64-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2108-66-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2108-13-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2108-142-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2108-11-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2108-19-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2108-82-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2108-143-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2108-109-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2108-107-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2108-105-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2108-102-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2108-101-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2416-92-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2416-95-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2416-59-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2416-147-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2416-119-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2416-91-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/2568-80-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2568-100-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2568-98-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/2568-152-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2568-151-0x00000000009C0000-0x0000000001A7A000-memory.dmp

            Filesize

            16.7MB

          • memory/2568-203-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2568-202-0x00000000009C0000-0x0000000001A7A000-memory.dmp

            Filesize

            16.7MB