Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    25-06-2024 23:37

General

  • Target

    7f574ae0c55f0fbfb35bddc0dc95d688c4a355445b625250dd384e23dd88d594.dll

  • Size

    120KB

  • MD5

    c0dc373777a7930c5a9ce14cfe7d22cd

  • SHA1

    ab19ec33c7a69598127b3758db423f9f84a4bc03

  • SHA256

    7f574ae0c55f0fbfb35bddc0dc95d688c4a355445b625250dd384e23dd88d594

  • SHA512

    4f104589437361bba6cfd6d1f22d7eee86cdfe27c461111eaac47301fe170f728b63ec995776c30c0382b69ffe2d5a926f721521a6ec49c6300a32d4ea494422

  • SSDEEP

    1536:FVTrQxYyhS1j6kE+aDx4rSmtOI+2k68THpYh88tki+GXok90paYxDBHeWwq6ZV:FVTrJnVrIJIVk68jW1tkS480paYu5T

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.

  • UAC bypass 3 TTPs 2 IoCs
  • Windows security bypass 2 TTPs 12 IoCs
  • Detects executables packed with Sality Polymorphic Code Generator or Simple Poly Engine or Sality 26 IoCs
  • UPX dump on OEP (original entry point) 30 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • UPX packed file 26 IoCs

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

  • Windows security modification 2 TTPs 14 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 15 IoCs

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

  • Drops file in Windows directory 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 41 IoCs
  • Suspicious use of WriteProcessMemory 36 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:1204
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\7f574ae0c55f0fbfb35bddc0dc95d688c4a355445b625250dd384e23dd88d594.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2924
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\7f574ae0c55f0fbfb35bddc0dc95d688c4a355445b625250dd384e23dd88d594.dll,#1
              3⤵
              • Loads dropped DLL
              • Suspicious use of WriteProcessMemory
              PID:2928
              • C:\Users\Admin\AppData\Local\Temp\f76115f.exe
                C:\Users\Admin\AppData\Local\Temp\f76115f.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
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                • System policy modification
                PID:2936
              • C:\Users\Admin\AppData\Local\Temp\f7612e5.exe
                C:\Users\Admin\AppData\Local\Temp\f7612e5.exe
                4⤵
                • Executes dropped EXE
                PID:2676
              • C:\Users\Admin\AppData\Local\Temp\f762d67.exe
                C:\Users\Admin\AppData\Local\Temp\f762d67.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
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                • System policy modification
                PID:2476
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:308

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            8f94cd4e437025d69c7eadddbb033379

            SHA1

            a43cc16cc7c5636b4cf893699d37b022dcac6e63

            SHA256

            33a4eb143cdc22165f1796c7e158d78e04663ff63408982b487f8977aad80272

            SHA512

            f66c54c6a12f34d38988028be8f5bca93d3e6c96b9f5981566677e8a0db3a4ed7e8cf258fb94e7c5ade1bc1136c5ba58498aa7e5e0e03177e56bb5caf61bf3d5

          • \Users\Admin\AppData\Local\Temp\f76115f.exe

            Filesize

            97KB

            MD5

            42dc6c6fa23f96ac116c6ee0c1d33e10

            SHA1

            aebdf13729dbca74aa6b8c3d1407055a7d1fec08

            SHA256

            6dd77831af1e86d62a096b6d8854066ae745073ff36c16859cfffb47ad0d7160

            SHA512

            7dae1a8982664df4b7119a4f24fb595ffde2707a5006339a0022a0381bc1e5370b9919cbc65261617ec3f54d08117ffdc9c3da0e6b01d4ab337a56fa4f6a6fa8

          • memory/1112-29-0x0000000001F50000-0x0000000001F52000-memory.dmp

            Filesize

            8KB

          • memory/2476-101-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2476-202-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2476-165-0x0000000000950000-0x0000000001A0A000-memory.dmp

            Filesize

            16.7MB

          • memory/2476-104-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2476-102-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2476-81-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2476-203-0x0000000000950000-0x0000000001A0A000-memory.dmp

            Filesize

            16.7MB

          • memory/2676-96-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2676-95-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2676-152-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2676-103-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2676-61-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2928-46-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/2928-38-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/2928-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2928-60-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2928-59-0x0000000000240000-0x0000000000252000-memory.dmp

            Filesize

            72KB

          • memory/2928-8-0x00000000001B0000-0x00000000001C2000-memory.dmp

            Filesize

            72KB

          • memory/2928-37-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2928-9-0x00000000001B0000-0x00000000001C2000-memory.dmp

            Filesize

            72KB

          • memory/2928-76-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2928-56-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2928-79-0x00000000001B0000-0x00000000001C2000-memory.dmp

            Filesize

            72KB

          • memory/2936-47-0x0000000003D20000-0x0000000003D21000-memory.dmp

            Filesize

            4KB

          • memory/2936-49-0x0000000002FC0000-0x0000000002FC2000-memory.dmp

            Filesize

            8KB

          • memory/2936-63-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2936-64-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2936-65-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2936-66-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2936-68-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2936-21-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2936-23-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2936-17-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2936-82-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2936-84-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2936-83-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2936-58-0x0000000002FC0000-0x0000000002FC2000-memory.dmp

            Filesize

            8KB

          • memory/2936-22-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2936-62-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2936-16-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2936-18-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2936-20-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2936-105-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2936-108-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2936-119-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2936-146-0x0000000002FC0000-0x0000000002FC2000-memory.dmp

            Filesize

            8KB

          • memory/2936-150-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2936-151-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2936-14-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2936-19-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2936-15-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2936-12-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2936-11-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB