Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    27-12-2024 00:19

General

  • Target

    8b87367c0e549eb29516edb1d45ab2eaa9060036ae2376a2c8b7e33fc38b3b93.dll

  • Size

    120KB

  • MD5

    ee1f286e46586a772ca9681eed89c081

  • SHA1

    76f296b46d24a3156b7e18a4d5b1af2d465a7730

  • SHA256

    8b87367c0e549eb29516edb1d45ab2eaa9060036ae2376a2c8b7e33fc38b3b93

  • SHA512

    41ac747e54dcf64cc71d21a9991a7c4aaddd23457456b94ab30831f59833d2047fab1aa500b8e89cbfd440ff9cacfdeda7307ee41e1116badb42321bbf121886

  • SSDEEP

    3072:VmoVwkRKC2sU+1VC1IEoiKtmYvvOIP5q7Rtm0/iE:0oVfdPtiSY0PSmi

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 25 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:1156
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1184
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\8b87367c0e549eb29516edb1d45ab2eaa9060036ae2376a2c8b7e33fc38b3b93.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2868
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\8b87367c0e549eb29516edb1d45ab2eaa9060036ae2376a2c8b7e33fc38b3b93.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2900
              • C:\Users\Admin\AppData\Local\Temp\f7682f5.exe
                C:\Users\Admin\AppData\Local\Temp\f7682f5.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:2260
              • C:\Users\Admin\AppData\Local\Temp\f76849b.exe
                C:\Users\Admin\AppData\Local\Temp\f76849b.exe
                4⤵
                • Executes dropped EXE
                PID:2268
              • C:\Users\Admin\AppData\Local\Temp\f76a1fa.exe
                C:\Users\Admin\AppData\Local\Temp\f76a1fa.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:2956
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1176

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            9e6a04aec2a966305f536f399a51d4ba

            SHA1

            98cd06e2935b5df0f95b7157c0e3dd74e5c6ee71

            SHA256

            06630dab8c2afdc25609dc706ab5a04e293459512f731f44f9e1005292bd8dfb

            SHA512

            4093abc27fd4228088228332f832c8fadf860964a46bee21c88f335246fa8899e2d77d633f4e6f8bdaf6530f0c6bde705020af94835165f46c7564a3c71cd56a

          • \Users\Admin\AppData\Local\Temp\f7682f5.exe

            Filesize

            97KB

            MD5

            dc72300b186fe6fc8cfb78c1398af1c2

            SHA1

            184ea85fafb5fc5bef4741fbbae9d811404c6a1c

            SHA256

            f37279e4945489b1b08841db12ec0bd04e75eae5562c5602a7950646a96edaee

            SHA512

            9bdd79a521f69a49e67688143e751db5e2a9c5b65fe8fbaabf4ee8cefbdb6e4e1e584d89d17a2cc1931aac7c30dd78b82a97044cf287c22c26d10bdcf42a6c01

          • memory/1104-25-0x0000000002070000-0x0000000002072000-memory.dmp

            Filesize

            8KB

          • memory/2260-24-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2260-22-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2260-65-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2260-17-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2260-64-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2260-147-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2260-148-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2260-108-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2260-90-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2260-43-0x0000000000480000-0x0000000000481000-memory.dmp

            Filesize

            4KB

          • memory/2260-23-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2260-19-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2260-88-0x0000000000470000-0x0000000000472000-memory.dmp

            Filesize

            8KB

          • memory/2260-57-0x0000000000470000-0x0000000000472000-memory.dmp

            Filesize

            8KB

          • memory/2260-87-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2260-66-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2260-73-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2260-16-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2260-15-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2260-20-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2260-21-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2260-18-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2260-63-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2260-72-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2260-71-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2260-12-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2260-70-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2260-68-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2268-55-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2268-105-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2268-165-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2268-129-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2268-98-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2900-32-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2900-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2900-42-0x00000000001B0000-0x00000000001B1000-memory.dmp

            Filesize

            4KB

          • memory/2900-54-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2900-11-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2900-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2900-5-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2900-33-0x00000000001B0000-0x00000000001B1000-memory.dmp

            Filesize

            4KB

          • memory/2900-53-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2900-51-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2956-128-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2956-103-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2956-206-0x00000000009C0000-0x0000000001A7A000-memory.dmp

            Filesize

            16.7MB

          • memory/2956-85-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2956-164-0x00000000009C0000-0x0000000001A7A000-memory.dmp

            Filesize

            16.7MB

          • memory/2956-207-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2956-102-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB