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Analysis

  • max time kernel
    32s
  • max time network
    19s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    25/12/2024, 18:48

General

  • Target

    ad858942ae4ddb040f083ff818898721b8a1554fe6784496805a24b8ad9e3e5eN.dll

  • Size

    120KB

  • MD5

    0cb0e929f8e0bc6261012f0dfa3dab50

  • SHA1

    31fa6331cebd979e1f5ceb42792d067905f1ea03

  • SHA256

    ad858942ae4ddb040f083ff818898721b8a1554fe6784496805a24b8ad9e3e5e

  • SHA512

    a561aa145bfb76be760bdc46c0c3c6454abd701606ff672cd05fb91a8f6a04b579ad695edfe98c3587107e8fe350f306868768b0780521116382054966d02cff

  • SSDEEP

    1536:lCAjrNEEy0/c2pD0+2ZeZvuvN+nU0p0+zKsJW8bUoH0pKbq7pntbr692XSXu99:8AjrNEXQ0+SuGvcnpvlzUEYtbr692XX

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 3 IoCs
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • Sality family
  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 5 IoCs

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

  • UPX packed file 23 IoCs

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

  • Drops file in Windows directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 21 IoCs
  • Suspicious use of WriteProcessMemory 34 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1128
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1180
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1244
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\ad858942ae4ddb040f083ff818898721b8a1554fe6784496805a24b8ad9e3e5eN.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:572
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\ad858942ae4ddb040f083ff818898721b8a1554fe6784496805a24b8ad9e3e5eN.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1428
              • C:\Users\Admin\AppData\Local\Temp\f78589b.exe
                C:\Users\Admin\AppData\Local\Temp\f78589b.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:3036
              • C:\Users\Admin\AppData\Local\Temp\f785cd0.exe
                C:\Users\Admin\AppData\Local\Temp\f785cd0.exe
                4⤵
                • Executes dropped EXE
                PID:2832
              • C:\Users\Admin\AppData\Local\Temp\f7877a0.exe
                C:\Users\Admin\AppData\Local\Temp\f7877a0.exe
                4⤵
                • Executes dropped EXE
                PID:2136
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1556

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f78589b.exe

            Filesize

            97KB

            MD5

            94dc1575845fca2f45e7cfc6ee9afbca

            SHA1

            7dd3fadf8cab403a0656922aaaa30bbd9c986a1c

            SHA256

            b47e4e0cb34de306a6280c1a37112d6e2c525b714936d0cedcbe201af41c3596

            SHA512

            d83811a17d0266d2ce0732d08e892ca246ffa1766c6f99cc33f8b12556de4dbaca57ee3beaa9a030910bc759c630b2d98c1cf164c99d59c5a5357f4db29f0dc1

          • memory/1128-28-0x0000000001D20000-0x0000000001D22000-memory.dmp

            Filesize

            8KB

          • memory/1428-35-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/1428-9-0x0000000000170000-0x0000000000182000-memory.dmp

            Filesize

            72KB

          • memory/1428-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1428-73-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/1428-75-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/1428-45-0x00000000001F0000-0x00000000001F1000-memory.dmp

            Filesize

            4KB

          • memory/1428-56-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/1428-58-0x0000000000320000-0x0000000000332000-memory.dmp

            Filesize

            72KB

          • memory/1428-59-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/1428-36-0x00000000001F0000-0x00000000001F1000-memory.dmp

            Filesize

            4KB

          • memory/2136-94-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/2136-136-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2136-137-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2136-132-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2136-96-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2832-88-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2832-131-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2832-103-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2832-60-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2832-86-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2832-87-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/3036-19-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/3036-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3036-61-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/3036-62-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/3036-63-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/3036-76-0x00000000002B0000-0x00000000002B2000-memory.dmp

            Filesize

            8KB

          • memory/3036-65-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/3036-13-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/3036-18-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/3036-78-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/3036-46-0x0000000000340000-0x0000000000341000-memory.dmp

            Filesize

            4KB

          • memory/3036-89-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/3036-17-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/3036-14-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/3036-20-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/3036-21-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/3036-98-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/3036-99-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/3036-101-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/3036-16-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/3036-104-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/3036-108-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/3036-110-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/3036-127-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3036-15-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/3036-22-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/3036-48-0x00000000002B0000-0x00000000002B2000-memory.dmp

            Filesize

            8KB

          • memory/3036-49-0x00000000002B0000-0x00000000002B2000-memory.dmp

            Filesize

            8KB