Analysis

  • max time kernel
    9s
  • max time network
    60s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    07-12-2024 07:16

General

  • Target

    cb84a75021e333ef54d13df9f2bdc1139dade0f1de92d46e30cd6738a6faf442.exe

  • Size

    300KB

  • MD5

    c240b69d91422adb77cffbcd94c1e548

  • SHA1

    459492231ad313c38da71b6d48ff8862f4d05904

  • SHA256

    cb84a75021e333ef54d13df9f2bdc1139dade0f1de92d46e30cd6738a6faf442

  • SHA512

    b66d664adf25a6d78d84352c398f7de7ba14625fd30f764bda3af435ad481606d42c256b029cd8dfcd78b442642cfc0e1f7db734cb4f2cce131e0602898a016c

  • SSDEEP

    3072:IoWML5tpV+CSA1AAPoCpxW5ATBfUPhpS1svkTVC9FieYTTLprx/m3qT4S826guKf:SEtpvoCpcPe1jQdimoLNh49eVNJ

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
  • Adds policy Run key to start application 2 TTPs 8 IoCs
  • Drops file in Drivers directory 4 IoCs
  • Event Triggered Execution: Image File Execution Options Injection 1 TTPs 64 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • Modifies system executable filetype association 2 TTPs 8 IoCs
  • Windows security modification 2 TTPs 14 IoCs
  • Adds Run key to start application 2 TTPs 12 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 2 IoCs

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

  • Drops autorun.inf file 1 TTPs 11 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in System32 directory 54 IoCs
  • UPX packed file 20 IoCs

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

  • Drops file in Windows directory 41 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Modifies Control Panel 16 IoCs
  • Modifies registry class 44 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 44 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs
  • System policy modification 1 TTPs 10 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1124
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1176
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1212
          • C:\Users\Admin\AppData\Local\Temp\cb84a75021e333ef54d13df9f2bdc1139dade0f1de92d46e30cd6738a6faf442.exe
            "C:\Users\Admin\AppData\Local\Temp\cb84a75021e333ef54d13df9f2bdc1139dade0f1de92d46e30cd6738a6faf442.exe"
            2⤵
            • Modifies firewall policy service
            • UAC bypass
            • Windows security bypass
            • Adds policy Run key to start application
            • Drops file in Drivers directory
            • Event Triggered Execution: Image File Execution Options Injection
            • Loads dropped DLL
            • Modifies system executable filetype association
            • Windows security modification
            • Adds Run key to start application
            • Checks whether UAC is enabled
            • Drops autorun.inf file
            • Drops file in System32 directory
            • Drops file in Windows directory
            • System Location Discovery: System Language Discovery
            • Modifies Control Panel
            • Modifies registry class
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            • System policy modification
            PID:3064
            • C:\WINDOWS\SysWOW64\dllcache\Recycler.{645FF040-5081-101B-9F08-00AA002F954E}\Global.exe
              "C:\WINDOWS\system32\dllcache\Recycler.{645FF040-5081-101B-9F08-00AA002F954E}\Global.exe"
              3⤵
              • Adds policy Run key to start application
              • Drops file in Drivers directory
              • Event Triggered Execution: Image File Execution Options Injection
              • Executes dropped EXE
              • Loads dropped DLL
              • Modifies system executable filetype association
              • Adds Run key to start application
              • Drops autorun.inf file
              • Drops file in System32 directory
              • Drops file in Windows directory
              • System Location Discovery: System Language Discovery
              • Modifies Control Panel
              • Modifies registry class
              • Suspicious use of SetWindowsHookEx
              • Suspicious use of WriteProcessMemory
              • System policy modification
              PID:2744
              • C:\WINDOWS\SysWOW64\dllcache\Recycler.{645FF040-5081-101B-9F08-00AA002F954E}\svchost.exe
                "C:\WINDOWS\system32\dllcache\Recycler.{645FF040-5081-101B-9F08-00AA002F954E}\svchost.exe"
                4⤵
                • Modifies firewall policy service
                • UAC bypass
                • Windows security bypass
                • Adds policy Run key to start application
                • Drops file in Drivers directory
                • Event Triggered Execution: Image File Execution Options Injection
                • Executes dropped EXE
                • Loads dropped DLL
                • Modifies system executable filetype association
                • Windows security modification
                • Adds Run key to start application
                • Checks whether UAC is enabled
                • Enumerates connected drives
                • Drops autorun.inf file
                • Drops file in System32 directory
                • Drops file in Windows directory
                • System Location Discovery: System Language Discovery
                • Modifies Control Panel
                • Modifies registry class
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of SetWindowsHookEx
                • Suspicious use of WriteProcessMemory
                • System policy modification
                PID:1256
                • C:\WINDOWS\SysWOW64\dllcache\Recycler.{645FF040-5081-101B-9F08-00AA002F954E}\system.exe
                  "C:\WINDOWS\system32\dllcache\Recycler.{645FF040-5081-101B-9F08-00AA002F954E}\system.exe"
                  5⤵
                  • Adds policy Run key to start application
                  • Drops file in Drivers directory
                  • Event Triggered Execution: Image File Execution Options Injection
                  • Executes dropped EXE
                  • Modifies system executable filetype association
                  • Adds Run key to start application
                  • Drops autorun.inf file
                  • Drops file in System32 directory
                  • Drops file in Windows directory
                  • System Location Discovery: System Language Discovery
                  • Modifies Control Panel
                  • Modifies registry class
                  • Suspicious use of SetWindowsHookEx
                  • System policy modification
                  PID:1376
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:828

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\WINDOWS\Cursors\Boom.vbs

            Filesize

            4KB

            MD5

            e72c9789ac7232e3b36766eb2a8f8da6

            SHA1

            a37a9f18e227d103bb4e1ecac0834c2cdf99d112

            SHA256

            7b03603cbc56105470b4bfb250d0ef18fa93126475e2872d63dc52c35866d2a9

            SHA512

            666a2592c5303a1f42a8bbddc2a8e5d3289c612be7401e3530a3afd70d8243276645bad00a82f3254674307583dabae49c16204e790200a34b0707813265f6d0

          • C:\WINDOWS\SysWOW64\dllcache\autorun.inf

            Filesize

            118B

            MD5

            4eb846be89a1520b7d0181f0736f9a96

            SHA1

            869a156f9bd21b06d896cafa66db628f7b5e9679

            SHA256

            5bf2d22daa1c82872df820f2e5d12fdc60e131f20782cc5e566a04343bfdf6d8

            SHA512

            ee444365384528857a68672a0b1ae1a3b62f7a4b05038d894bc33f603291defdc03a2a3a2849054aa13f4f2def783fdce8f88a5896fd64f11a3f7c9b19c4008c

          • C:\Windows\Fonts\Fonts.exe

            Filesize

            300KB

            MD5

            c240b69d91422adb77cffbcd94c1e548

            SHA1

            459492231ad313c38da71b6d48ff8862f4d05904

            SHA256

            cb84a75021e333ef54d13df9f2bdc1139dade0f1de92d46e30cd6738a6faf442

            SHA512

            b66d664adf25a6d78d84352c398f7de7ba14625fd30f764bda3af435ad481606d42c256b029cd8dfcd78b442642cfc0e1f7db734cb4f2cce131e0602898a016c

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            669c728d5c5a0d6d9e36d63e42092c5f

            SHA1

            b5aef4a81df1b6fa386cb95a9a8f27354d45817b

            SHA256

            dae438049e98c5ebfd68dbb34bc1287bda73bc21a7df0f1906dadaa224390899

            SHA512

            86ab752ee862b51d7c26249039d781ddff9e6c377995f501247ea6b8a4243d7048a15a12f927bcfc7de5506d1b61e8d4e4e61cd0aba470033147418d07a1ee0d

          • C:\tdcrox.exe

            Filesize

            97KB

            MD5

            35aa16b7f8a95f4c4699530e1a8c587a

            SHA1

            86a55e45b62a1e5dfd30d7c4c400f12bd397b620

            SHA256

            91931f1e109da03c51ea2ab09283dfddb223839c414b9d1dc0ff74f3c9c478ac

            SHA512

            8720a5920586ab069239d6ae68c15b3db193c4f657e160cf0f194294f83c0493945775975b04ef728ee7f6857f954e3e3b976ce2e5f628fe12c907498c502a04

          • memory/1124-15-0x0000000002170000-0x0000000002172000-memory.dmp

            Filesize

            8KB

          • memory/1256-173-0x0000000003650000-0x0000000003651000-memory.dmp

            Filesize

            4KB

          • memory/1256-144-0x0000000002550000-0x000000000360A000-memory.dmp

            Filesize

            16.7MB

          • memory/1256-139-0x0000000002550000-0x000000000360A000-memory.dmp

            Filesize

            16.7MB

          • memory/1256-208-0x0000000002550000-0x000000000360A000-memory.dmp

            Filesize

            16.7MB

          • memory/1256-174-0x0000000002550000-0x000000000360A000-memory.dmp

            Filesize

            16.7MB

          • memory/1256-147-0x0000000002550000-0x000000000360A000-memory.dmp

            Filesize

            16.7MB

          • memory/1256-151-0x0000000002550000-0x000000000360A000-memory.dmp

            Filesize

            16.7MB

          • memory/1256-136-0x0000000000400000-0x0000000000449000-memory.dmp

            Filesize

            292KB

          • memory/1256-188-0x00000000070A0000-0x00000000070E9000-memory.dmp

            Filesize

            292KB

          • memory/1376-367-0x0000000000400000-0x0000000000449000-memory.dmp

            Filesize

            292KB

          • memory/1376-189-0x0000000000400000-0x0000000000449000-memory.dmp

            Filesize

            292KB

          • memory/2744-167-0x00000000027A0000-0x00000000027A1000-memory.dmp

            Filesize

            4KB

          • memory/2744-180-0x0000000002790000-0x0000000002792000-memory.dmp

            Filesize

            8KB

          • memory/3064-8-0x0000000002900000-0x00000000039BA000-memory.dmp

            Filesize

            16.7MB

          • memory/3064-23-0x00000000059E0000-0x00000000059E1000-memory.dmp

            Filesize

            4KB

          • memory/3064-74-0x00000000068E0000-0x0000000006929000-memory.dmp

            Filesize

            292KB

          • memory/3064-14-0x0000000002900000-0x00000000039BA000-memory.dmp

            Filesize

            16.7MB

          • memory/3064-123-0x0000000005890000-0x0000000005892000-memory.dmp

            Filesize

            8KB

          • memory/3064-109-0x0000000002900000-0x00000000039BA000-memory.dmp

            Filesize

            16.7MB

          • memory/3064-127-0x0000000000400000-0x0000000000449000-memory.dmp

            Filesize

            292KB

          • memory/3064-126-0x0000000002900000-0x00000000039BA000-memory.dmp

            Filesize

            16.7MB

          • memory/3064-110-0x0000000002900000-0x00000000039BA000-memory.dmp

            Filesize

            16.7MB

          • memory/3064-22-0x0000000005890000-0x0000000005892000-memory.dmp

            Filesize

            8KB

          • memory/3064-12-0x0000000002900000-0x00000000039BA000-memory.dmp

            Filesize

            16.7MB

          • memory/3064-71-0x00000000068E0000-0x0000000006929000-memory.dmp

            Filesize

            292KB

          • memory/3064-25-0x00000000059E0000-0x00000000059E1000-memory.dmp

            Filesize

            4KB

          • memory/3064-7-0x0000000002900000-0x00000000039BA000-memory.dmp

            Filesize

            16.7MB

          • memory/3064-0-0x0000000000400000-0x0000000000449000-memory.dmp

            Filesize

            292KB

          • memory/3064-10-0x0000000002900000-0x00000000039BA000-memory.dmp

            Filesize

            16.7MB

          • memory/3064-28-0x0000000005890000-0x0000000005892000-memory.dmp

            Filesize

            8KB

          • memory/3064-11-0x0000000002900000-0x00000000039BA000-memory.dmp

            Filesize

            16.7MB

          • memory/3064-26-0x0000000005890000-0x0000000005892000-memory.dmp

            Filesize

            8KB

          • memory/3064-4-0x0000000002900000-0x00000000039BA000-memory.dmp

            Filesize

            16.7MB

          • memory/3064-13-0x0000000002900000-0x00000000039BA000-memory.dmp

            Filesize

            16.7MB

          • memory/3064-6-0x0000000002900000-0x00000000039BA000-memory.dmp

            Filesize

            16.7MB

          • memory/3064-9-0x0000000002900000-0x00000000039BA000-memory.dmp

            Filesize

            16.7MB

          • memory/3064-1-0x0000000002900000-0x00000000039BA000-memory.dmp

            Filesize

            16.7MB