Analysis

  • max time kernel
    28s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    31-12-2024 07:28

General

  • Target

    7bf709be2da5b9b5057c2784310a81eef1ba5cf971b880d53e8745ed78d4ba6e.dll

  • Size

    120KB

  • MD5

    723c9be16c2df16fb682a02d883fd723

  • SHA1

    b95c6d32470c269345ea4dafb7e469f135bb97fd

  • SHA256

    7bf709be2da5b9b5057c2784310a81eef1ba5cf971b880d53e8745ed78d4ba6e

  • SHA512

    a2e52ca03e3ff87395e4bb85061bc904cfb502fa5d2fbe23fbc6552d925d98eae352ec17fd20dff64cab251e047685e9e5c7e480cef17d291fe8cd97340e94d0

  • SSDEEP

    1536:xzo8bYt+jqCTy0u7rWNBlEIASKyDpTEwKHqwMcgEIyM56ywZC4Eh8L9KGMjnVq:x88bYtsqQaHPSdDqZgEHM56nCN8snRq

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 27 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 43 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1104
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1172
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1196
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\7bf709be2da5b9b5057c2784310a81eef1ba5cf971b880d53e8745ed78d4ba6e.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:628
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\7bf709be2da5b9b5057c2784310a81eef1ba5cf971b880d53e8745ed78d4ba6e.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2408
              • C:\Users\Admin\AppData\Local\Temp\f76817f.exe
                C:\Users\Admin\AppData\Local\Temp\f76817f.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:2076
              • C:\Users\Admin\AppData\Local\Temp\f768305.exe
                C:\Users\Admin\AppData\Local\Temp\f768305.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
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                • System policy modification
                PID:2160
              • C:\Users\Admin\AppData\Local\Temp\f76a007.exe
                C:\Users\Admin\AppData\Local\Temp\f76a007.exe
                4⤵
                • Executes dropped EXE
                PID:2736
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1536

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            50d52f7500945672d2afe5a14aab927b

            SHA1

            f0a21187b1b165b3ac8d904ed44a7e3a346aaefe

            SHA256

            556a59ebdf659058ad5734dfb7bca447d67b57e6b38b1f019bab0852847379ff

            SHA512

            40ed8c778970a093bf268a8d0953f3f27582a687574a7ab7201a2d3730c0c1f19e7671320d23a1adb554dbe3c5eae7bb88541672dd204b9496f0783b25300c5c

          • \Users\Admin\AppData\Local\Temp\f76817f.exe

            Filesize

            97KB

            MD5

            59ad41e5f852be61bc913fd2a2e9be06

            SHA1

            f7b1d2515331157c6234baba1600f2d845fd89fa

            SHA256

            52aa7161a8267830ebbaae1d52b5714f90db62a5000d944a4faa378f12dd7b82

            SHA512

            481d5f011e481217e03af27fce7936dce561642a401dae29aafe3fd2443ca75f1f98e07813f9fd970b3ce7a2a7333796b40c0596954c42a520213919c37486f2

          • memory/1104-24-0x0000000001F20000-0x0000000001F22000-memory.dmp

            Filesize

            8KB

          • memory/2076-40-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2076-69-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2076-86-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2076-14-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2076-20-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2076-19-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2076-16-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2076-151-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2076-53-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2076-54-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2076-108-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2076-106-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2076-105-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2076-68-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2076-17-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2076-83-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2076-150-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2076-11-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2076-15-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2076-22-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2076-21-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2076-18-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2076-23-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2076-60-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2076-61-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2076-62-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2076-63-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2076-64-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2076-66-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2076-67-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2076-84-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2160-95-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2160-52-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2160-186-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2160-185-0x0000000000A10000-0x0000000001ACA000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-163-0x0000000000A10000-0x0000000001ACA000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-101-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2160-94-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/2408-80-0x00000000000C0000-0x00000000000C2000-memory.dmp

            Filesize

            8KB

          • memory/2408-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2408-48-0x0000000000130000-0x0000000000132000-memory.dmp

            Filesize

            8KB

          • memory/2408-50-0x0000000000250000-0x0000000000262000-memory.dmp

            Filesize

            72KB

          • memory/2408-51-0x0000000000130000-0x0000000000132000-memory.dmp

            Filesize

            8KB

          • memory/2408-8-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2408-9-0x00000000000C0000-0x00000000000D2000-memory.dmp

            Filesize

            72KB

          • memory/2408-39-0x0000000000140000-0x0000000000141000-memory.dmp

            Filesize

            4KB

          • memory/2408-31-0x0000000000140000-0x0000000000141000-memory.dmp

            Filesize

            4KB

          • memory/2408-30-0x0000000000130000-0x0000000000132000-memory.dmp

            Filesize

            8KB

          • memory/2736-102-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2736-99-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/2736-190-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB