Analysis

  • max time kernel
    28s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    04/11/2024, 03:12

General

  • Target

    9b9f9f288e6fd19b38705350bb7380f165b8c50008da87f57b730f3bcce0c0ccN.dll

  • Size

    120KB

  • MD5

    d730ef0c6d538723f8e3599b390d0d00

  • SHA1

    39c1cf4b092e289336c1dcc2ab4d0e5e07a12900

  • SHA256

    9b9f9f288e6fd19b38705350bb7380f165b8c50008da87f57b730f3bcce0c0cc

  • SHA512

    325aff9984352aed5c1734d99b0d1905a2efeff8d8687643cb1e5c58ae71e2c9320ed87d29b0658029f8465b00c66e0b59fb3f385435522ce92a5f6b4af904da

  • SSDEEP

    3072:gBG+gymXAzaWBlWRqPQNAASbvLvdoFl7NnH/d:gBEtQuWB4qPkArbjdoFBNH

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 16 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 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:1124
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1188
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1216
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\9b9f9f288e6fd19b38705350bb7380f165b8c50008da87f57b730f3bcce0c0ccN.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2292
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\9b9f9f288e6fd19b38705350bb7380f165b8c50008da87f57b730f3bcce0c0ccN.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1996
              • C:\Users\Admin\AppData\Local\Temp\f769fe7.exe
                C:\Users\Admin\AppData\Local\Temp\f769fe7.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:1916
              • C:\Users\Admin\AppData\Local\Temp\f76a229.exe
                C:\Users\Admin\AppData\Local\Temp\f76a229.exe
                4⤵
                • Executes dropped EXE
                PID:2132
              • C:\Users\Admin\AppData\Local\Temp\f76bc1e.exe
                C:\Users\Admin\AppData\Local\Temp\f76bc1e.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:2900
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1672

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

                • C:\Windows\SYSTEM.INI

                  Filesize

                  257B

                  MD5

                  c6bca4d2487ac095bdf69d6b70bd5e4f

                  SHA1

                  9bc42ed31f1cbfaf8912b022ce292dfa7a02f03c

                  SHA256

                  5dda6dfbd9e359c6fc81563eac6180ff6398bd186d1dd173eb76c56d55fd69e4

                  SHA512

                  7684024b9393e124ed3090a2c5947e7b61801c95e2483a40313e2701735dbdabd5c8b3a344ff0de92d98ec3b021e6b1b3ec044ea6ef58913145444eac2ce75b7

                • \Users\Admin\AppData\Local\Temp\f769fe7.exe

                  Filesize

                  97KB

                  MD5

                  bfd93b0ed7016868cd42e481a65d9b26

                  SHA1

                  dad3ae8fe55c80b78df1c0ec1db3e53e1ea68d6f

                  SHA256

                  2a2b789a75e421086df4a7b61d748f6e691447ba8488ae047e44769dd5887e33

                  SHA512

                  f0b3f45133c87108c2ba9349a10e86aecdbede7c7224e47116721bb3e1e8689485e7ef5ed1869c8033681f2eb551c3ebc49fe40060ffd30be86c989c830e61b3

                • memory/1124-23-0x0000000002130000-0x0000000002132000-memory.dmp

                  Filesize

                  8KB

                • memory/1916-62-0x0000000000980000-0x0000000001A3A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/1916-67-0x0000000000980000-0x0000000001A3A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/1916-12-0x0000000000980000-0x0000000001A3A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/1916-15-0x0000000000980000-0x0000000001A3A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/1916-19-0x0000000000980000-0x0000000001A3A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/1916-21-0x0000000000980000-0x0000000001A3A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/1916-22-0x0000000000980000-0x0000000001A3A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/1916-18-0x0000000000980000-0x0000000001A3A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/1916-20-0x0000000000980000-0x0000000001A3A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/1916-41-0x00000000003E0000-0x00000000003E1000-memory.dmp

                  Filesize

                  4KB

                • memory/1916-55-0x00000000003D0000-0x00000000003D2000-memory.dmp

                  Filesize

                  8KB

                • memory/1916-54-0x00000000003D0000-0x00000000003D2000-memory.dmp

                  Filesize

                  8KB

                • memory/1916-152-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/1916-17-0x0000000000980000-0x0000000001A3A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/1916-16-0x0000000000980000-0x0000000001A3A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/1916-87-0x0000000000980000-0x0000000001A3A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/1916-85-0x00000000003D0000-0x00000000003D2000-memory.dmp

                  Filesize

                  8KB

                • memory/1916-11-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/1916-14-0x0000000000980000-0x0000000001A3A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/1916-84-0x0000000000980000-0x0000000001A3A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/1916-83-0x0000000000980000-0x0000000001A3A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/1916-82-0x0000000000980000-0x0000000001A3A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/1916-153-0x0000000000980000-0x0000000001A3A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/1916-61-0x0000000000980000-0x0000000001A3A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/1916-68-0x0000000000980000-0x0000000001A3A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/1916-63-0x0000000000980000-0x0000000001A3A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/1916-65-0x0000000000980000-0x0000000001A3A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/1916-64-0x0000000000980000-0x0000000001A3A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/1996-0-0x0000000010000000-0x0000000010020000-memory.dmp

                  Filesize

                  128KB

                • memory/1996-6-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/1996-49-0x0000000000170000-0x0000000000172000-memory.dmp

                  Filesize

                  8KB

                • memory/1996-76-0x0000000000170000-0x0000000000172000-memory.dmp

                  Filesize

                  8KB

                • memory/1996-51-0x0000000000210000-0x0000000000222000-memory.dmp

                  Filesize

                  72KB

                • memory/1996-52-0x0000000000170000-0x0000000000172000-memory.dmp

                  Filesize

                  8KB

                • memory/1996-2-0x0000000010000000-0x0000000010020000-memory.dmp

                  Filesize

                  128KB

                • memory/1996-30-0x0000000000170000-0x0000000000172000-memory.dmp

                  Filesize

                  8KB

                • memory/1996-31-0x00000000001C0000-0x00000000001C1000-memory.dmp

                  Filesize

                  4KB

                • memory/1996-40-0x00000000001C0000-0x00000000001C1000-memory.dmp

                  Filesize

                  4KB

                • memory/2132-96-0x0000000000270000-0x0000000000271000-memory.dmp

                  Filesize

                  4KB

                • memory/2132-97-0x0000000000260000-0x0000000000262000-memory.dmp

                  Filesize

                  8KB

                • memory/2132-105-0x0000000000260000-0x0000000000262000-memory.dmp

                  Filesize

                  8KB

                • memory/2132-53-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2132-182-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2900-106-0x00000000003E0000-0x00000000003E2000-memory.dmp

                  Filesize

                  8KB

                • memory/2900-103-0x00000000003F0000-0x00000000003F1000-memory.dmp

                  Filesize

                  4KB

                • memory/2900-104-0x00000000003E0000-0x00000000003E2000-memory.dmp

                  Filesize

                  8KB

                • memory/2900-80-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2900-159-0x0000000000900000-0x00000000019BA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2900-210-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2900-209-0x0000000000900000-0x00000000019BA000-memory.dmp

                  Filesize

                  16.7MB