Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    10/11/2024, 14:11

General

  • Target

    426fd8d69e2b050bb41877f9cb30b8626e6a6f8cab6e42c4d987ebb0c2d89d5bN.dll

  • Size

    120KB

  • MD5

    c48eb80cc3b77e39c07ae36d8199abe0

  • SHA1

    965d423feab916f28bc5e004b2736fcfd809765c

  • SHA256

    426fd8d69e2b050bb41877f9cb30b8626e6a6f8cab6e42c4d987ebb0c2d89d5b

  • SHA512

    986fdbbec6519b00e874962d87ba88b64fdc0a9530c0b8e6cb9951c10b924c2503927fa651d5efc316e3e0a8e96f05b5eca4d99290a5b5db4a2fbcc36eff36a0

  • SSDEEP

    3072:cF/KH+36hN/AHqA/uV1QyqY5GREZ5GGAL0sA:j+CNyqAm175Fzex

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 17 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 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:1076
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1168
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1200
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\426fd8d69e2b050bb41877f9cb30b8626e6a6f8cab6e42c4d987ebb0c2d89d5bN.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2764
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\426fd8d69e2b050bb41877f9cb30b8626e6a6f8cab6e42c4d987ebb0c2d89d5bN.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2980
              • C:\Users\Admin\AppData\Local\Temp\f765de8.exe
                C:\Users\Admin\AppData\Local\Temp\f765de8.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:2672
              • C:\Users\Admin\AppData\Local\Temp\f765fdc.exe
                C:\Users\Admin\AppData\Local\Temp\f765fdc.exe
                4⤵
                • Executes dropped EXE
                PID:1268
              • C:\Users\Admin\AppData\Local\Temp\f767964.exe
                C:\Users\Admin\AppData\Local\Temp\f767964.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:2148
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1476

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            fcbb18d07d809fb1792a89630c6a3404

            SHA1

            30baab4ed7ec3e41f722005b9b94fb50edc21555

            SHA256

            56961b05b50970a710e907e8f802c4b79d414693d7b777171bb1d3d8c36e5e96

            SHA512

            21c262411e4a95d3e2103d7c037976d97bd2a6896748ffc029cad3c24bf9db328be8ca52b04c0309cfdb6370454beda8fae8c7b73945a5956c1e8afa75dfe5b6

          • \Users\Admin\AppData\Local\Temp\f765de8.exe

            Filesize

            97KB

            MD5

            c3674444ac8f1e70426277d6d32c371b

            SHA1

            1ffbf242e6f31b5b58b1f874f2dbe67e8c3ba1a8

            SHA256

            94196e3d8b1a98e9135e16fb80cfccb2f7f764ddfde8befd866240567305cced

            SHA512

            ce8fd7ceeed98d213041d325698d74fbf639d6d3f5ab6ef421ce90334e742a2d70516add54e19f3e42e521bf84330098b45e08361c7ca3dd7d057928a20aa545

          • memory/1076-32-0x0000000000210000-0x0000000000212000-memory.dmp

            Filesize

            8KB

          • memory/1268-187-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1268-135-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1268-113-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1268-102-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2148-212-0x0000000000920000-0x00000000019DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2148-169-0x0000000000920000-0x00000000019DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2148-213-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2148-112-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2148-108-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/2148-86-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2672-91-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2672-69-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2672-14-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2672-51-0x00000000003D0000-0x00000000003D1000-memory.dmp

            Filesize

            4KB

          • memory/2672-156-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2672-155-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2672-20-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2672-53-0x00000000003B0000-0x00000000003B2000-memory.dmp

            Filesize

            8KB

          • memory/2672-23-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2672-22-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2672-21-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2672-19-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2672-18-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2672-25-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2672-17-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2672-24-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2672-66-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2672-67-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2672-68-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2672-61-0x00000000003B0000-0x00000000003B2000-memory.dmp

            Filesize

            8KB

          • memory/2672-70-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2672-72-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2672-73-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2672-26-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2672-85-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2672-88-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2672-92-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2980-43-0x0000000000200000-0x0000000000201000-memory.dmp

            Filesize

            4KB

          • memory/2980-64-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2980-63-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2980-62-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2980-42-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2980-7-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2980-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2980-45-0x0000000000200000-0x0000000000201000-memory.dmp

            Filesize

            4KB

          • memory/2980-13-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2980-60-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2980-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2980-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2980-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB