Analysis

  • max time kernel
    93s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    06/12/2024, 22:45

General

  • Target

    ba2d26f195b8424fc21aa238278f276933781adbc4e30ccd87ceec02942b4ae2N.dll

  • Size

    120KB

  • MD5

    75564552b20eb7a08778b5060880b540

  • SHA1

    b6cefb65b7240f5ed7258e49645b09483550e468

  • SHA256

    ba2d26f195b8424fc21aa238278f276933781adbc4e30ccd87ceec02942b4ae2

  • SHA512

    e80a698a76614500f4716a6099dd99ff148ca7b26686ab484807b982d7d36f31838328178758e6ae28adb1e1ab57e5ea8b944fdd5acd3783c552403956f0c7e7

  • SSDEEP

    1536:0vL+SuGuUxqQM8qxBGBX5rxxYCKWyz5kcN3+iEZ0ccknBy:9SjMd36JYHz5k63+iMr

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 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:1064
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1144
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1176
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\ba2d26f195b8424fc21aa238278f276933781adbc4e30ccd87ceec02942b4ae2N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2424
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\ba2d26f195b8424fc21aa238278f276933781adbc4e30ccd87ceec02942b4ae2N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2076
              • C:\Users\Admin\AppData\Local\Temp\f76c513.exe
                C:\Users\Admin\AppData\Local\Temp\f76c513.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:2420
              • C:\Users\Admin\AppData\Local\Temp\f76c6b9.exe
                C:\Users\Admin\AppData\Local\Temp\f76c6b9.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
                • System Location Discovery: System Language Discovery
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                • System policy modification
                PID:2788
              • C:\Users\Admin\AppData\Local\Temp\f76e09f.exe
                C:\Users\Admin\AppData\Local\Temp\f76e09f.exe
                4⤵
                • Executes dropped EXE
                PID:1628
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:2016

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            ef9ae67a2ab35d2caf2fd68a3e1c99f0

            SHA1

            05aa7a8aebb16428f65f8f08abfc30927cc12150

            SHA256

            99d255d42e3f3429bb6ca584c815f351442a796cd62fe43a61a45215012e50b0

            SHA512

            11dc326d83585c71c8e3f4365200ac1856989d334f6134b7766603d91e5450a6eb03edf90133e9c7ed379a5e5360d413e75001dda363ba414573c5952d753027

          • \Users\Admin\AppData\Local\Temp\f76c513.exe

            Filesize

            97KB

            MD5

            5207446bc3a681241d50e070a64083df

            SHA1

            ca8653ae27677388a6b984a4b9afe557a4f88203

            SHA256

            671a03988a401555f4622bf7b161d2a6881d6ae2a9b82e6eced134ed1514ceb1

            SHA512

            d684d11ac051dadfbacb01d7b42faa0de9608419e494866282d5aaf7856401365aab1f1b09f63999f42b415fff0bac0c0f51f7e9929ede7b60743eb4250d9d34

          • memory/1064-25-0x0000000001F90000-0x0000000001F92000-memory.dmp

            Filesize

            8KB

          • memory/1628-133-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/1628-83-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1628-109-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/1628-105-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/1628-198-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2076-7-0x00000000001F0000-0x0000000000202000-memory.dmp

            Filesize

            72KB

          • memory/2076-40-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/2076-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2076-79-0x0000000000300000-0x0000000000312000-memory.dmp

            Filesize

            72KB

          • memory/2076-49-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2076-81-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2076-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2076-53-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2076-52-0x0000000000290000-0x00000000002A2000-memory.dmp

            Filesize

            72KB

          • memory/2076-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2076-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2076-31-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2076-32-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/2420-61-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2420-21-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2420-41-0x0000000000480000-0x0000000000481000-memory.dmp

            Filesize

            4KB

          • memory/2420-18-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2420-20-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2420-16-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2420-23-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2420-51-0x0000000000470000-0x0000000000472000-memory.dmp

            Filesize

            8KB

          • memory/2420-62-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2420-63-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2420-65-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2420-64-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2420-67-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2420-68-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2420-13-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2420-82-0x0000000000470000-0x0000000000472000-memory.dmp

            Filesize

            8KB

          • memory/2420-55-0x0000000000470000-0x0000000000472000-memory.dmp

            Filesize

            8KB

          • memory/2420-17-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2420-84-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2420-86-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2420-89-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2420-24-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2420-14-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2420-155-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2420-22-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2420-154-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2420-111-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2420-19-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2788-132-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2788-99-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2788-106-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2788-108-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2788-167-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2788-194-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2788-193-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2788-54-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB