Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    16-12-2024 13:39

General

  • Target

    5a909b8bfbc11504be8d47b6f70d26dd6cf7c01eb387fd0b7f776f084c42140bN.dll

  • Size

    120KB

  • MD5

    7a64d212765cd73abbaf9d029794a5b0

  • SHA1

    d3c4467355398ec5c40a863eb000bfaf60f9b581

  • SHA256

    5a909b8bfbc11504be8d47b6f70d26dd6cf7c01eb387fd0b7f776f084c42140b

  • SHA512

    80d62c48dcba94777e7ae8320a86ac64d1838dfec840b8708741032111f73c4404f8ca4de7a8100673c48e5863f7f4412f15d7d94b2526a77934f7da06c6faad

  • SSDEEP

    1536:yNpXNV370nW/deVWifQ5udLFh7uZncixc2ttrftgBn5gZHwYAWr9y1lgBGu9pHCx:yHNd70WMVWZYFBexBt9Osro1lKXVs

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 17 IoCs

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

  • UPX packed file 26 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:1116
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1168
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1204
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\5a909b8bfbc11504be8d47b6f70d26dd6cf7c01eb387fd0b7f776f084c42140bN.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1732
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\5a909b8bfbc11504be8d47b6f70d26dd6cf7c01eb387fd0b7f776f084c42140bN.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1308
              • C:\Users\Admin\AppData\Local\Temp\f76af91.exe
                C:\Users\Admin\AppData\Local\Temp\f76af91.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:1376
              • C:\Users\Admin\AppData\Local\Temp\f76b145.exe
                C:\Users\Admin\AppData\Local\Temp\f76b145.exe
                4⤵
                • Executes dropped EXE
                PID:2924
              • C:\Users\Admin\AppData\Local\Temp\f76cb3b.exe
                C:\Users\Admin\AppData\Local\Temp\f76cb3b.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:2684
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1528

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            328b36b361271e299371bf479f2b0071

            SHA1

            d8ad63154146c558d8e029b912e70fd36e468dfa

            SHA256

            13acd03482bc53b18a1a9b7278de32556d9d4bb56c0f41e0b26f1ebdeb208863

            SHA512

            5dc32f7eb8b4e4aae2eafce2b88cd541f6a41a0ecdc96a8a6187b2e307454d6790e028cbe8f5e6d44057763164fe333b9a717eba8d888d22abecea36b2e58e2f

          • \Users\Admin\AppData\Local\Temp\f76af91.exe

            Filesize

            97KB

            MD5

            340330a060f3baa0fbe0071059344c1e

            SHA1

            9935a8d041e27402d27a7df76955c97a544fe8cf

            SHA256

            d7ed5e52606b00eaf1fed390f4597eb6a26aca307e9343bfe0d7ce82f5023d28

            SHA512

            7029e3bf859bd8d55b8ee6a9e30b42d528387def53d3a74b84bb016cb6cab629d9cb37b2d9a91020979f1ba427caac800971178571dfea16f0d5412ef7241f82

          • memory/1116-32-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1308-74-0x0000000000240000-0x0000000000252000-memory.dmp

            Filesize

            72KB

          • memory/1308-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1308-7-0x0000000000150000-0x0000000000162000-memory.dmp

            Filesize

            72KB

          • memory/1308-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1308-13-0x0000000000150000-0x0000000000162000-memory.dmp

            Filesize

            72KB

          • memory/1308-83-0x0000000000150000-0x0000000000152000-memory.dmp

            Filesize

            8KB

          • memory/1308-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1308-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1308-58-0x0000000000180000-0x0000000000182000-memory.dmp

            Filesize

            8KB

          • memory/1308-48-0x0000000000210000-0x0000000000211000-memory.dmp

            Filesize

            4KB

          • memory/1308-40-0x0000000000210000-0x0000000000211000-memory.dmp

            Filesize

            4KB

          • memory/1308-39-0x0000000000180000-0x0000000000182000-memory.dmp

            Filesize

            8KB

          • memory/1308-61-0x0000000000180000-0x0000000000182000-memory.dmp

            Filesize

            8KB

          • memory/1308-60-0x0000000000220000-0x0000000000232000-memory.dmp

            Filesize

            72KB

          • memory/1376-63-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1376-18-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1376-24-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1376-14-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1376-51-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/1376-22-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1376-19-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1376-25-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1376-20-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1376-17-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1376-26-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1376-23-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1376-64-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1376-65-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1376-66-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1376-68-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1376-69-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1376-70-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1376-21-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1376-152-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1376-84-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/1376-49-0x00000000016A0000-0x00000000016A1000-memory.dmp

            Filesize

            4KB

          • memory/1376-86-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1376-87-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1376-90-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1376-91-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1376-153-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1376-112-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1376-110-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2684-108-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2684-107-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2684-106-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/2684-85-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2684-177-0x00000000009C0000-0x0000000001A7A000-memory.dmp

            Filesize

            16.7MB

          • memory/2684-205-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2684-204-0x00000000009C0000-0x0000000001A7A000-memory.dmp

            Filesize

            16.7MB

          • memory/2924-101-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2924-102-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2924-127-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2924-100-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2924-62-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB