Analysis

  • max time kernel
    75s
  • max time network
    19s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    07-02-2025 01:52

General

  • Target

    7aa1740619927a5af487c00b81cda79324391005b4952f59c4123fedf3d16ed9.dll

  • Size

    120KB

  • MD5

    461e9cc96b019e22820fe47d476f263d

  • SHA1

    8d26e4966fc9e9850b22598c6415fb446ddeb48b

  • SHA256

    7aa1740619927a5af487c00b81cda79324391005b4952f59c4123fedf3d16ed9

  • SHA512

    a1dec4b6f2d9c00190ca615165bdd23edeb2386c7b5ba35da0f94bca5662ec2549d889819263f191a505e1e807431aa2c03a04ade1f95cd73e4f740e1d23d960

  • SSDEEP

    3072:IFKx3mylKN5kqFcTPGINIb5tzdsc25GV:XVmyYOV7XNatZyA

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 25 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 44 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1112
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1176
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1212
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\7aa1740619927a5af487c00b81cda79324391005b4952f59c4123fedf3d16ed9.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1736
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\7aa1740619927a5af487c00b81cda79324391005b4952f59c4123fedf3d16ed9.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1128
              • C:\Users\Admin\AppData\Local\Temp\f779647.exe
                C:\Users\Admin\AppData\Local\Temp\f779647.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:2224
              • C:\Users\Admin\AppData\Local\Temp\f779c01.exe
                C:\Users\Admin\AppData\Local\Temp\f779c01.exe
                4⤵
                • Executes dropped EXE
                PID:2848
              • C:\Users\Admin\AppData\Local\Temp\f77b145.exe
                C:\Users\Admin\AppData\Local\Temp\f77b145.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:2548
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1576

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            5bca0fbe2c8b3477d194ffbddf9ba6a7

            SHA1

            15de87aa04abaaa82ac06416843de5ec8782d30d

            SHA256

            ca8a54d994ab43439f4b381175597988ea1e577f731fc6089b7202fb264b1298

            SHA512

            9d5b9490a2cd458eddf3ae593a78b6742fe665e5db4ddade8db01e8959973adff15912425c24d6c7e491e6103b3211d590e9cac4e77fec2362b09fef18871816

          • \Users\Admin\AppData\Local\Temp\f779647.exe

            Filesize

            97KB

            MD5

            7101f9cc592565808e0cba5f4877fcc1

            SHA1

            9c3d00a068cca032e835d6a6dcc29def9e644cc8

            SHA256

            26b1159d90cf486805732832645a2c0075670c495a075909d4d327f19c5b4f9f

            SHA512

            d8a2a39d4d7e7ba0471905a1ab6d0cf607dea04f6bf685ff83833f964473e97ae0e0ad5dd54cb601cd333831544daafd4e741cb6d50bea8c0bc2eba71bc28de7

          • memory/1112-25-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/1128-79-0x00000000001A0000-0x00000000001A6000-memory.dmp

            Filesize

            24KB

          • memory/1128-8-0x00000000001A0000-0x00000000001B2000-memory.dmp

            Filesize

            72KB

          • memory/1128-76-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/1128-9-0x00000000001A0000-0x00000000001B2000-memory.dmp

            Filesize

            72KB

          • memory/1128-37-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/1128-38-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/1128-40-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/1128-56-0x0000000000890000-0x00000000008A2000-memory.dmp

            Filesize

            72KB

          • memory/1128-57-0x0000000000890000-0x00000000008A2000-memory.dmp

            Filesize

            72KB

          • memory/1128-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1128-47-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/1128-36-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2224-16-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2224-18-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2224-17-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2224-59-0x0000000003CC0000-0x0000000003CC2000-memory.dmp

            Filesize

            8KB

          • memory/2224-60-0x0000000003CC0000-0x0000000003CC2000-memory.dmp

            Filesize

            8KB

          • memory/2224-21-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2224-11-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2224-15-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2224-55-0x0000000003D10000-0x0000000003D11000-memory.dmp

            Filesize

            4KB

          • memory/2224-19-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2224-23-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2224-14-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2224-63-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2224-62-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2224-64-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2224-66-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2224-65-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2224-68-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2224-20-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2224-22-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2224-81-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2224-82-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2224-84-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2224-86-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2224-151-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2224-148-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2224-108-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2224-88-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2548-104-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2548-102-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2548-106-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2548-149-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2548-158-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2548-203-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2548-202-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2848-103-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2848-105-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2848-150-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2848-97-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2848-61-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB