Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    19-12-2024 00:32

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 18 IoCs

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

  • UPX packed file 23 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 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 45 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs
  • System policy modification 1 TTPs 3 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1048
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1124
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1164
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\2a912f9c29ad3aa6d9db7d78cf9d13e25ef36009d818f280c261e7b399384a8e.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2528
            • 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:1112
              • C:\Users\Admin\AppData\Local\Temp\f76cc25.exe
                C:\Users\Admin\AppData\Local\Temp\f76cc25.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:2560
              • C:\Users\Admin\AppData\Local\Temp\f76cdda.exe
                C:\Users\Admin\AppData\Local\Temp\f76cdda.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
                • System policy modification
                PID:2420
              • C:\Users\Admin\AppData\Local\Temp\f76eaad.exe
                C:\Users\Admin\AppData\Local\Temp\f76eaad.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:1692
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1948

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            7137903f0df02be72911b3b4955d55d0

            SHA1

            9f77cd87781b403d073acdd88d60c92ec9617015

            SHA256

            ba9f2b489581d7ba615cbbe7f7dc5af692c8b681f3073549545419fa3f8db0ea

            SHA512

            d14a4710654d50f43359984aa7e74aa6491f1d2f6285c3ed595e6ebbbe1f0973885c35b731e8051794eff3a2ffab4997aa3039025d1bc1612d7d4d4d8545fb85

          • \Users\Admin\AppData\Local\Temp\f76cc25.exe

            Filesize

            97KB

            MD5

            8235519fb109f89b832650647fe39530

            SHA1

            816b47d09190a4dde42872f54d76dce97e67d22f

            SHA256

            fd5f402d2461e5e2fa253d26a39923e2ff94f1d8005114679275fd97f51cde1e

            SHA512

            9bbe823a86394ef15a523ebb5346a2fab484e136d5adcd96bcf35aa1154b8f42c3c23323054bf6a9ab3cf39895b767e4e79a64db4d5a9bdcb1abe468722687f7

          • memory/1048-31-0x0000000002010000-0x0000000002012000-memory.dmp

            Filesize

            8KB

          • memory/1112-39-0x00000000005A0000-0x00000000005A2000-memory.dmp

            Filesize

            8KB

          • memory/1112-62-0x0000000000650000-0x0000000000662000-memory.dmp

            Filesize

            72KB

          • memory/1112-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1112-12-0x0000000000560000-0x0000000000572000-memory.dmp

            Filesize

            72KB

          • memory/1112-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1112-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1112-8-0x0000000000560000-0x0000000000572000-memory.dmp

            Filesize

            72KB

          • memory/1112-49-0x0000000000640000-0x0000000000641000-memory.dmp

            Filesize

            4KB

          • memory/1112-86-0x0000000000560000-0x0000000000562000-memory.dmp

            Filesize

            8KB

          • memory/1112-40-0x0000000000640000-0x0000000000641000-memory.dmp

            Filesize

            4KB

          • memory/1112-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1112-82-0x00000000005A0000-0x00000000005A2000-memory.dmp

            Filesize

            8KB

          • memory/1112-63-0x00000000005A0000-0x00000000005A2000-memory.dmp

            Filesize

            8KB

          • memory/1692-238-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1692-110-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/1692-108-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/1692-106-0x0000000000240000-0x0000000000241000-memory.dmp

            Filesize

            4KB

          • memory/1692-87-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1692-134-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2420-109-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2420-64-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2420-186-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2420-181-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2420-133-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2420-101-0x00000000002C0000-0x00000000002C1000-memory.dmp

            Filesize

            4KB

          • memory/2420-107-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2560-68-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2560-65-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2560-22-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2560-69-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2560-71-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2560-72-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2560-74-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2560-73-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2560-25-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2560-50-0x00000000016E0000-0x00000000016E1000-memory.dmp

            Filesize

            4KB

          • memory/2560-52-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2560-89-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2560-91-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2560-67-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2560-53-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2560-24-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2560-66-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2560-23-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2560-20-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2560-19-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2560-17-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2560-156-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2560-155-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2560-18-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2560-15-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2560-21-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2560-14-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB