Analysis

  • max time kernel
    75s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    19/09/2024, 11:29

General

  • Target

    a24eabeee4ee9701719ac05b82bfa3feb1429c2fb03c340ddff7403acfbf98afN.dll

  • Size

    120KB

  • MD5

    3fd4f58020aa97f3c9009258f52b6e80

  • SHA1

    9c243e7ab8b17d3b2d6fef7e7b861ab377c8762c

  • SHA256

    a24eabeee4ee9701719ac05b82bfa3feb1429c2fb03c340ddff7403acfbf98af

  • SHA512

    5488a33c15f47b1fc8693ceed761a42e08d3a02c4276339e4bd71d040a50993ba104a45f3f60d0d8102773dd55cc68e4f7e0143e4b06de54b4ac6dfdbfbfb5c9

  • SSDEEP

    3072:ssgnmjbma8Q+QjziwdIlL2v5L1kceNLD:sswmjrbziwSo5Bkcu3

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.

  • UAC bypass 3 TTPs 2 IoCs
  • Windows security bypass 2 TTPs 12 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • UPX packed file 25 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 17 IoCs

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

  • 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:1104
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1168
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1196
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\a24eabeee4ee9701719ac05b82bfa3feb1429c2fb03c340ddff7403acfbf98afN.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:844
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\a24eabeee4ee9701719ac05b82bfa3feb1429c2fb03c340ddff7403acfbf98afN.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1940
              • C:\Users\Admin\AppData\Local\Temp\f76e39b.exe
                C:\Users\Admin\AppData\Local\Temp\f76e39b.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:2132
              • C:\Users\Admin\AppData\Local\Temp\f76e521.exe
                C:\Users\Admin\AppData\Local\Temp\f76e521.exe
                4⤵
                • Executes dropped EXE
                PID:2740
              • C:\Users\Admin\AppData\Local\Temp\f76ff74.exe
                C:\Users\Admin\AppData\Local\Temp\f76ff74.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:2248
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1428

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

                • C:\Windows\SYSTEM.INI

                  Filesize

                  257B

                  MD5

                  d7b16a366ab7e8feded7c22ddfe6d4ee

                  SHA1

                  2b6408a21b28a79612c2df3189efec285a0f4abd

                  SHA256

                  a838a7b47a0cf92015fcedc13ec80c0f9759d930a8082f09c2ecb891425f3fb1

                  SHA512

                  ffdcc8b75097ac5bf08d579c2e40f4963ab1350336090a655a8a1f0217f3067cc2ffee32c816327d38f009dc0a03cb0ab98019e1c2abb2d624da6fed54eafe8b

                • \Users\Admin\AppData\Local\Temp\f76e39b.exe

                  Filesize

                  97KB

                  MD5

                  a66f525158172e86b81d563a0280f9ea

                  SHA1

                  4efafb80a1dd9f172267079ee511612fb18c85fe

                  SHA256

                  47e2eb7e656b5fc8fc0501b3459e4aee29ff53055cf546f720ba8d0c073401a2

                  SHA512

                  ff46494d1f218f3df3d114fe34038836b74457c792aa2dcc6262532340101fbe9fc2a422296a49144f838a354847e4ef3a8de3e34a61b43f47fb8c446bb49e73

                • memory/1104-32-0x0000000000220000-0x0000000000222000-memory.dmp

                  Filesize

                  8KB

                • memory/1940-61-0x00000000002E0000-0x00000000002F2000-memory.dmp

                  Filesize

                  72KB

                • memory/1940-0-0x0000000010000000-0x0000000010020000-memory.dmp

                  Filesize

                  128KB

                • memory/1940-7-0x0000000000210000-0x0000000000222000-memory.dmp

                  Filesize

                  72KB

                • memory/1940-13-0x0000000000210000-0x0000000000222000-memory.dmp

                  Filesize

                  72KB

                • memory/1940-62-0x0000000000230000-0x0000000000232000-memory.dmp

                  Filesize

                  8KB

                • memory/1940-41-0x0000000000240000-0x0000000000241000-memory.dmp

                  Filesize

                  4KB

                • memory/1940-59-0x0000000000230000-0x0000000000232000-memory.dmp

                  Filesize

                  8KB

                • memory/1940-49-0x0000000000240000-0x0000000000241000-memory.dmp

                  Filesize

                  4KB

                • memory/1940-1-0x0000000010000000-0x0000000010020000-memory.dmp

                  Filesize

                  128KB

                • memory/1940-83-0x00000000004E0000-0x00000000004F2000-memory.dmp

                  Filesize

                  72KB

                • memory/1940-3-0x0000000010000000-0x0000000010020000-memory.dmp

                  Filesize

                  128KB

                • memory/1940-2-0x0000000010000000-0x0000000010020000-memory.dmp

                  Filesize

                  128KB

                • memory/1940-40-0x0000000000230000-0x0000000000232000-memory.dmp

                  Filesize

                  8KB

                • memory/2132-64-0x00000000006B0000-0x000000000176A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2132-20-0x00000000006B0000-0x000000000176A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2132-50-0x0000000002F50000-0x0000000002F51000-memory.dmp

                  Filesize

                  4KB

                • memory/2132-21-0x00000000006B0000-0x000000000176A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2132-52-0x00000000005A0000-0x00000000005A2000-memory.dmp

                  Filesize

                  8KB

                • memory/2132-24-0x00000000006B0000-0x000000000176A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2132-17-0x00000000006B0000-0x000000000176A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2132-18-0x00000000006B0000-0x000000000176A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2132-26-0x00000000006B0000-0x000000000176A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2132-25-0x00000000006B0000-0x000000000176A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2132-19-0x00000000006B0000-0x000000000176A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2132-22-0x00000000006B0000-0x000000000176A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2132-23-0x00000000006B0000-0x000000000176A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2132-65-0x00000000006B0000-0x000000000176A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2132-66-0x00000000006B0000-0x000000000176A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2132-68-0x00000000006B0000-0x000000000176A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2132-67-0x00000000006B0000-0x000000000176A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2132-70-0x00000000006B0000-0x000000000176A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2132-71-0x00000000006B0000-0x000000000176A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2132-60-0x00000000005A0000-0x00000000005A2000-memory.dmp

                  Filesize

                  8KB

                • memory/2132-84-0x00000000006B0000-0x000000000176A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2132-85-0x00000000006B0000-0x000000000176A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2132-88-0x00000000006B0000-0x000000000176A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2132-14-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2132-151-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2132-152-0x00000000006B0000-0x000000000176A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2132-110-0x00000000006B0000-0x000000000176A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2132-108-0x00000000006B0000-0x000000000176A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2248-105-0x00000000003E0000-0x00000000003E2000-memory.dmp

                  Filesize

                  8KB

                • memory/2248-129-0x00000000003E0000-0x00000000003E2000-memory.dmp

                  Filesize

                  8KB

                • memory/2248-102-0x00000000003F0000-0x00000000003F1000-memory.dmp

                  Filesize

                  4KB

                • memory/2248-103-0x00000000003E0000-0x00000000003E2000-memory.dmp

                  Filesize

                  8KB

                • memory/2248-165-0x0000000000910000-0x00000000019CA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2248-209-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2248-208-0x0000000000910000-0x00000000019CA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2740-106-0x0000000000220000-0x0000000000222000-memory.dmp

                  Filesize

                  8KB

                • memory/2740-98-0x0000000000230000-0x0000000000231000-memory.dmp

                  Filesize

                  4KB

                • memory/2740-130-0x0000000000220000-0x0000000000222000-memory.dmp

                  Filesize

                  8KB

                • memory/2740-104-0x0000000000220000-0x0000000000222000-memory.dmp

                  Filesize

                  8KB

                • memory/2740-181-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB