Analysis

  • max time kernel
    118s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    29-05-2024 02:04

General

  • Target

    c48e1c16baf853b2b4c0fb81711f5eb2bcac9d5ee970376facfb4efb0d094e28.dll

  • Size

    120KB

  • MD5

    4ea451f141767fdcb54c553e43e8334e

  • SHA1

    eb947bdf0258435b1882277c8f490ab055f24ff9

  • SHA256

    c48e1c16baf853b2b4c0fb81711f5eb2bcac9d5ee970376facfb4efb0d094e28

  • SHA512

    c939489f875dc8114f0aad8caef8595d0d1d77113c89ad4be9c0848bb239db48288e98aa70bc467d20e7f3b2991586cac10ce4c2500b08ad097deab351066b03

  • SSDEEP

    3072:6daWzpyumPP7u8Q7ApWaDcn64LD/+1S31WAsGiq:6da8UK8QzsW6im1tfGiq

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 2 TTPs 6 IoCs
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • UAC bypass 3 TTPs 2 IoCs
  • Windows security bypass 2 TTPs 12 IoCs
  • Detects executables packed with Sality Polymorphic Code Generator or Simple Poly Engine or Sality 25 IoCs
  • UPX dump on OEP (original entry point) 29 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • UPX packed file 25 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Windows security modification 2 TTPs 14 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 15 IoCs

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

  • Drops file in Windows directory 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 21 IoCs
  • Suspicious use of WriteProcessMemory 33 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1068
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1156
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1192
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\c48e1c16baf853b2b4c0fb81711f5eb2bcac9d5ee970376facfb4efb0d094e28.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2164
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\c48e1c16baf853b2b4c0fb81711f5eb2bcac9d5ee970376facfb4efb0d094e28.dll,#1
              3⤵
              • Loads dropped DLL
              • Suspicious use of WriteProcessMemory
              PID:2872
              • C:\Users\Admin\AppData\Local\Temp\f7624cf.exe
                C:\Users\Admin\AppData\Local\Temp\f7624cf.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
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                • System policy modification
                PID:2944
              • C:\Users\Admin\AppData\Local\Temp\f7626f1.exe
                C:\Users\Admin\AppData\Local\Temp\f7626f1.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
                • Suspicious behavior: EnumeratesProcesses
                • System policy modification
                PID:2180
              • C:\Users\Admin\AppData\Local\Temp\f76403b.exe
                C:\Users\Admin\AppData\Local\Temp\f76403b.exe
                4⤵
                • Executes dropped EXE
                PID:2648
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:2308

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            24aaee46cf3ab522b078794ed301e3a9

            SHA1

            a9d48245ad25d8391a336a40d853ce0393be74f1

            SHA256

            2c626e8ae2b71a0f3790c2613878941768a4a1b2ba95b7fd7ea107444691c80a

            SHA512

            09c8ea71c059fcbbf041cb8aa66dbc748b8a74cb82430fad66e17aa6b56f3733dbea9b0d346d35bd56ded06797609c2f604c14b4c42b6047d92befa679d20406

          • \Users\Admin\AppData\Local\Temp\f7624cf.exe

            Filesize

            97KB

            MD5

            b1ba97b6047d9c2548b063bad821f165

            SHA1

            a55d510a548bcdcd80c33aefb80061391b46295d

            SHA256

            bdd1c11e3f9953598057367301cc33ccbb080846f8851a127a60b9417306ca38

            SHA512

            2a40ad1269c8843f8ec0d303713f703de8fe6d84101ff8afb8b99f67938531893d7bf7c765a1ad7de328ed998995d37af8bb6053c18108cd021ef3d2a643bc57

          • memory/1068-29-0x0000000000250000-0x0000000000252000-memory.dmp

            Filesize

            8KB

          • memory/2180-180-0x0000000000A80000-0x0000000001B3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2180-179-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2180-161-0x0000000000A80000-0x0000000001B3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2180-95-0x00000000003B0000-0x00000000003B1000-memory.dmp

            Filesize

            4KB

          • memory/2180-103-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2180-96-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2180-62-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2648-184-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2648-104-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2648-101-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2648-102-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2648-82-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2872-57-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/2872-78-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/2872-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2872-9-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2872-60-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/2872-59-0x0000000000350000-0x0000000000362000-memory.dmp

            Filesize

            72KB

          • memory/2872-39-0x00000000002C0000-0x00000000002C1000-memory.dmp

            Filesize

            4KB

          • memory/2872-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2872-47-0x00000000002C0000-0x00000000002C1000-memory.dmp

            Filesize

            4KB

          • memory/2872-38-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/2944-58-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2944-66-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2944-19-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2944-65-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2944-21-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2944-67-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2944-69-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2944-70-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2944-48-0x0000000000520000-0x0000000000521000-memory.dmp

            Filesize

            4KB

          • memory/2944-17-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2944-83-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2944-50-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2944-87-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2944-20-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2944-64-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2944-63-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2944-86-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2944-22-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2944-105-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2944-14-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2944-107-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2944-119-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2944-149-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2944-148-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2944-18-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2944-16-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2944-15-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2944-23-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2944-11-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB