Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240611-en
  • resource tags

    arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
  • submitted
    16/06/2024, 23:56

General

  • Target

    93d4f6c518c701ab1571a7ed202561f03aec10465e00a32d8cd9c187239dc17f.dll

  • Size

    120KB

  • MD5

    1082adbed9ace9eddddcd5f65fcaff68

  • SHA1

    84dcc13a7ea409013b8056a15147e8022d2deea4

  • SHA256

    93d4f6c518c701ab1571a7ed202561f03aec10465e00a32d8cd9c187239dc17f

  • SHA512

    4ce0fe7bdc180d8093e94013a95de3942c46d2399669f5cb090472c63a7c6dda1477d2b169b85f6e7d1620983629655aac86b7e8fc0f1d57a04f62146b66912a

  • SSDEEP

    1536:boNp5lu+pIOiwvIx6uLyFf+Ff8KgkNRs6qFNijwG9jHIi7l9YzSDcpH:0pu+pYxx6pf+mkNR5jw08iwzi

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 2 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 28 IoCs
  • UPX dump on OEP (original entry point) 32 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • UPX packed file 28 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 13 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:1248
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1328
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1356
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\93d4f6c518c701ab1571a7ed202561f03aec10465e00a32d8cd9c187239dc17f.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2648
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\93d4f6c518c701ab1571a7ed202561f03aec10465e00a32d8cd9c187239dc17f.dll,#1
              3⤵
              • Loads dropped DLL
              • Suspicious use of WriteProcessMemory
              PID:1716
              • C:\Users\Admin\AppData\Local\Temp\f760696.exe
                C:\Users\Admin\AppData\Local\Temp\f760696.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:2748
              • C:\Users\Admin\AppData\Local\Temp\f76084a.exe
                C:\Users\Admin\AppData\Local\Temp\f76084a.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
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                • System policy modification
                PID:2740
              • C:\Users\Admin\AppData\Local\Temp\f7623c6.exe
                C:\Users\Admin\AppData\Local\Temp\f7623c6.exe
                4⤵
                • Executes dropped EXE
                PID:1572
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1904

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

                • C:\Windows\SYSTEM.INI

                  Filesize

                  257B

                  MD5

                  d6af33e48e394222ec665351cc85b653

                  SHA1

                  049e1de31a1c7ecdaaea5aca92131f8b691f8eb6

                  SHA256

                  c128192b2416d9cae097341e344429fe9471ef5d80a31dbdce01448b9a3398fa

                  SHA512

                  c48635e98825b1566ea418244757f7f073746f76c9be0370730c202f234140ed8ae64ec38e5a67bc618c7073e7e90fd80285f4523071059941d48410f803882b

                • \Users\Admin\AppData\Local\Temp\f760696.exe

                  Filesize

                  97KB

                  MD5

                  3c221211a02db3e5906b043d4e8584bb

                  SHA1

                  b699072d044e0fad1dfc534f4a3d422552c89ede

                  SHA256

                  b1f8348d6fa6d6b5299d83468df99ff7e311a86eb103d61cb8f768c387abf92f

                  SHA512

                  50c1fa7754aa8dafbe99b3093a15cd068fe191204ce96d7ac0fc776e60fa391f8b8865954c98d1b23b8488bb78c0fb52f6dbd946be5cc91f3c742180784434b4

                • memory/1248-28-0x0000000001F10000-0x0000000001F12000-memory.dmp

                  Filesize

                  8KB

                • memory/1572-96-0x0000000000360000-0x0000000000362000-memory.dmp

                  Filesize

                  8KB

                • memory/1572-76-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/1572-179-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/1572-94-0x0000000000360000-0x0000000000362000-memory.dmp

                  Filesize

                  8KB

                • memory/1572-93-0x00000000003B0000-0x00000000003B1000-memory.dmp

                  Filesize

                  4KB

                • memory/1716-74-0x0000000000170000-0x0000000000172000-memory.dmp

                  Filesize

                  8KB

                • memory/1716-1-0x0000000010000000-0x0000000010020000-memory.dmp

                  Filesize

                  128KB

                • memory/1716-53-0x00000000001B0000-0x00000000001B2000-memory.dmp

                  Filesize

                  8KB

                • memory/1716-36-0x00000000001C0000-0x00000000001C1000-memory.dmp

                  Filesize

                  4KB

                • memory/1716-55-0x0000000000290000-0x00000000002A2000-memory.dmp

                  Filesize

                  72KB

                • memory/1716-56-0x00000000001B0000-0x00000000001B2000-memory.dmp

                  Filesize

                  8KB

                • memory/1716-72-0x00000000001B0000-0x00000000001B2000-memory.dmp

                  Filesize

                  8KB

                • memory/1716-35-0x00000000001C0000-0x00000000001C1000-memory.dmp

                  Filesize

                  4KB

                • memory/1716-34-0x00000000001B0000-0x00000000001B2000-memory.dmp

                  Filesize

                  8KB

                • memory/1716-9-0x0000000000170000-0x0000000000182000-memory.dmp

                  Filesize

                  72KB

                • memory/2740-175-0x0000000000910000-0x00000000019CA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2740-95-0x0000000000220000-0x0000000000222000-memory.dmp

                  Filesize

                  8KB

                • memory/2740-88-0x0000000000220000-0x0000000000222000-memory.dmp

                  Filesize

                  8KB

                • memory/2740-57-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2740-87-0x0000000000230000-0x0000000000231000-memory.dmp

                  Filesize

                  4KB

                • memory/2740-174-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2740-153-0x0000000000910000-0x00000000019CA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2748-61-0x0000000000590000-0x000000000164A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2748-13-0x0000000000590000-0x000000000164A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2748-60-0x0000000000590000-0x000000000164A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2748-58-0x0000000000590000-0x000000000164A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2748-62-0x0000000000590000-0x000000000164A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2748-16-0x0000000000590000-0x000000000164A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2748-22-0x0000000000590000-0x000000000164A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2748-18-0x0000000000590000-0x000000000164A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2748-77-0x0000000000590000-0x000000000164A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2748-78-0x0000000000590000-0x000000000164A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2748-80-0x0000000000590000-0x000000000164A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2748-44-0x00000000002C0000-0x00000000002C2000-memory.dmp

                  Filesize

                  8KB

                • memory/2748-46-0x00000000002C0000-0x00000000002C2000-memory.dmp

                  Filesize

                  8KB

                • memory/2748-45-0x00000000003D0000-0x00000000003D1000-memory.dmp

                  Filesize

                  4KB

                • memory/2748-17-0x0000000000590000-0x000000000164A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2748-59-0x0000000000590000-0x000000000164A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2748-14-0x0000000000590000-0x000000000164A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2748-98-0x0000000000590000-0x000000000164A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2748-99-0x0000000000590000-0x000000000164A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2748-101-0x0000000000590000-0x000000000164A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2748-102-0x0000000000590000-0x000000000164A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2748-104-0x0000000000590000-0x000000000164A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2748-107-0x0000000000590000-0x000000000164A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2748-108-0x0000000000590000-0x000000000164A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2748-115-0x00000000002C0000-0x00000000002C2000-memory.dmp

                  Filesize

                  8KB

                • memory/2748-141-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2748-140-0x0000000000590000-0x000000000164A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2748-19-0x0000000000590000-0x000000000164A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2748-15-0x0000000000590000-0x000000000164A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2748-20-0x0000000000590000-0x000000000164A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2748-21-0x0000000000590000-0x000000000164A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2748-10-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB