Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    27-12-2024 00:23

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 15 IoCs

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

  • UPX packed file 24 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 46 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1100
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1148
      • 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:2652
            • 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:1220
              • C:\Users\Admin\AppData\Local\Temp\f76b0a9.exe
                C:\Users\Admin\AppData\Local\Temp\f76b0a9.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:2572
              • C:\Users\Admin\AppData\Local\Temp\f76b28d.exe
                C:\Users\Admin\AppData\Local\Temp\f76b28d.exe
                4⤵
                • Executes dropped EXE
                PID:2968
              • C:\Users\Admin\AppData\Local\Temp\f76cc54.exe
                C:\Users\Admin\AppData\Local\Temp\f76cc54.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:2672
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:2008

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f76b0a9.exe

            Filesize

            97KB

            MD5

            dc72300b186fe6fc8cfb78c1398af1c2

            SHA1

            184ea85fafb5fc5bef4741fbbae9d811404c6a1c

            SHA256

            f37279e4945489b1b08841db12ec0bd04e75eae5562c5602a7950646a96edaee

            SHA512

            9bdd79a521f69a49e67688143e751db5e2a9c5b65fe8fbaabf4ee8cefbdb6e4e1e584d89d17a2cc1931aac7c30dd78b82a97044cf287c22c26d10bdcf42a6c01

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            e305a0ba67b884d73b3ef68b2292b3d1

            SHA1

            9eeda5c8a4ee02e2d7fc657c11d80abfab22ff60

            SHA256

            c637bdf3ff8caf5876138cde85a389e3077db5269f9e2c672ce8cbc41f1bdde6

            SHA512

            fa3cf7dcd77d30112c12c82edd619074f10808d74ffb3c270d53a5b48793c4261836e3fd90d3ff9a06a0c98e769ea7be095b7e11bfac61c0317ccc090f6b01ec

          • memory/1100-25-0x0000000002010000-0x0000000002012000-memory.dmp

            Filesize

            8KB

          • memory/1220-11-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1220-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1220-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1220-72-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1220-67-0x0000000000230000-0x0000000000232000-memory.dmp

            Filesize

            8KB

          • memory/1220-32-0x0000000000280000-0x0000000000281000-memory.dmp

            Filesize

            4KB

          • memory/1220-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1220-34-0x0000000000280000-0x0000000000281000-memory.dmp

            Filesize

            4KB

          • memory/1220-37-0x0000000000230000-0x0000000000232000-memory.dmp

            Filesize

            8KB

          • memory/1220-31-0x0000000000230000-0x0000000000232000-memory.dmp

            Filesize

            8KB

          • memory/1220-45-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1220-35-0x0000000000230000-0x0000000000232000-memory.dmp

            Filesize

            8KB

          • memory/2572-59-0x00000000004D0000-0x00000000004D2000-memory.dmp

            Filesize

            8KB

          • memory/2572-68-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-22-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-23-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-20-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-19-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-17-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-16-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-24-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-58-0x00000000004D0000-0x00000000004D2000-memory.dmp

            Filesize

            8KB

          • memory/2572-57-0x0000000001760000-0x0000000001761000-memory.dmp

            Filesize

            4KB

          • memory/2572-21-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-60-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-61-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-62-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-63-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-64-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-66-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-18-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-12-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2572-154-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2572-15-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-82-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-84-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-86-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-89-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-155-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2672-106-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2672-105-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/2672-109-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2672-81-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2672-170-0x0000000000930000-0x00000000019EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2672-205-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2672-204-0x0000000000930000-0x00000000019EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2968-108-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2968-107-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2968-99-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2968-135-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2968-46-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB