Analysis

  • max time kernel
    27s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    19-12-2024 00:26

General

  • Target

    2a912f9c29ad3aa6d9db7d78cf9d13e25ef36009d818f280c261e7b399384a8e.dll

  • Size

    120KB

  • MD5

    35f470abcc21fdf86bb6cc484c860294

  • SHA1

    a1f28be68ad49a1b2c01093f19cf418dbff805f9

  • SHA256

    2a912f9c29ad3aa6d9db7d78cf9d13e25ef36009d818f280c261e7b399384a8e

  • SHA512

    433e859fad2d376873986eeb18688bcae99c0b5d952deae3c7a86304c19ebed12bc8316e9ccdc853e0e28c03f580c62b707afd7ed07caed7630c6915add23c1f

  • SSDEEP

    3072:+XK5GMYqO3NT0aEO4eXXBQdzmKcuiYsqJ3frneU:+0/uV3nXMZcuLV3frn9

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 9 IoCs
  • Sality

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

  • Sality family
  • UAC bypass 3 TTPs 3 IoCs
  • Windows security bypass 2 TTPs 18 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • Windows security modification 2 TTPs 21 IoCs
  • Checks whether UAC is enabled 1 TTPs 3 IoCs
  • Enumerates connected drives 3 TTPs 16 IoCs

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

  • UPX packed file 25 IoCs

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

  • Drops file in Windows directory 4 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 43 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs
  • System policy modification 1 TTPs 3 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1072
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1120
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1184
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\2a912f9c29ad3aa6d9db7d78cf9d13e25ef36009d818f280c261e7b399384a8e.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:756
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\2a912f9c29ad3aa6d9db7d78cf9d13e25ef36009d818f280c261e7b399384a8e.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1808
              • C:\Users\Admin\AppData\Local\Temp\f767ee0.exe
                C:\Users\Admin\AppData\Local\Temp\f767ee0.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:892
              • C:\Users\Admin\AppData\Local\Temp\f768057.exe
                C:\Users\Admin\AppData\Local\Temp\f768057.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 policy modification
                PID:2468
              • C:\Users\Admin\AppData\Local\Temp\f769a7b.exe
                C:\Users\Admin\AppData\Local\Temp\f769a7b.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:2344
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:324

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            1ba16fdda4d739d2ccc856c910af10b6

            SHA1

            b2329b84ebc0e977c88c17f589d3e3223c884ee0

            SHA256

            ac96d96c8342f90f3445ca795790cf420245235fea8d0c233d6a9fd3b78cd04e

            SHA512

            e4c064a16fb6b387a926a21b4e935b35dfcd856fdd1d125d386f8fbb9bf916e1b668fc6858bc8dbfbc40e1bdb3dfcc3593867d23da771cc99a50f22c75117dd9

          • \Users\Admin\AppData\Local\Temp\f767ee0.exe

            Filesize

            97KB

            MD5

            8235519fb109f89b832650647fe39530

            SHA1

            816b47d09190a4dde42872f54d76dce97e67d22f

            SHA256

            fd5f402d2461e5e2fa253d26a39923e2ff94f1d8005114679275fd97f51cde1e

            SHA512

            9bbe823a86394ef15a523ebb5346a2fab484e136d5adcd96bcf35aa1154b8f42c3c23323054bf6a9ab3cf39895b767e4e79a64db4d5a9bdcb1abe468722687f7

          • memory/892-89-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/892-65-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/892-12-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/892-161-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/892-16-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/892-15-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/892-18-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/892-21-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/892-20-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/892-19-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/892-92-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/892-90-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/892-66-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/892-162-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/892-70-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/892-52-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/892-51-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/892-71-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/892-23-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/892-68-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/892-49-0x0000000000560000-0x0000000000561000-memory.dmp

            Filesize

            4KB

          • memory/892-67-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/892-24-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/892-22-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/892-17-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/892-74-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/892-64-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1072-30-0x00000000021F0000-0x00000000021F2000-memory.dmp

            Filesize

            8KB

          • memory/1808-59-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/1808-11-0x0000000000170000-0x0000000000182000-memory.dmp

            Filesize

            72KB

          • memory/1808-38-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/1808-39-0x00000000001B0000-0x00000000001B1000-memory.dmp

            Filesize

            4KB

          • memory/1808-85-0x00000000001F0000-0x0000000000202000-memory.dmp

            Filesize

            72KB

          • memory/1808-87-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/1808-84-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/1808-76-0x00000000001F0000-0x0000000000202000-memory.dmp

            Filesize

            72KB

          • memory/1808-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1808-60-0x00000000001C0000-0x00000000001D2000-memory.dmp

            Filesize

            72KB

          • memory/1808-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1808-61-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/1808-10-0x0000000000170000-0x0000000000182000-memory.dmp

            Filesize

            72KB

          • memory/1808-48-0x00000000001B0000-0x00000000001B1000-memory.dmp

            Filesize

            4KB

          • memory/2344-112-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2344-110-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2344-109-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/2344-231-0x0000000000A00000-0x0000000001ABA000-memory.dmp

            Filesize

            16.7MB

          • memory/2344-232-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2344-195-0x0000000000A00000-0x0000000001ABA000-memory.dmp

            Filesize

            16.7MB

          • memory/2468-111-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2468-63-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2468-171-0x0000000000900000-0x00000000019BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2468-182-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2468-181-0x0000000000900000-0x00000000019BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2468-113-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2468-140-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2468-103-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB