Analysis

  • max time kernel
    120s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    08-12-2024 19:07

General

  • Target

    00b755e6e66c2c7dbdcee0d14518cf614dcd02bfaf0cc21d8cd9bfddd0de1bf3.dll

  • Size

    120KB

  • MD5

    5814aa3ebf221fae8f3eef553c00f15b

  • SHA1

    da6f41ab6e2e0d2adfc778b507e2b0d8fa49113f

  • SHA256

    00b755e6e66c2c7dbdcee0d14518cf614dcd02bfaf0cc21d8cd9bfddd0de1bf3

  • SHA512

    ae478a6c54bc21a94cccf9b31e222a6cefe3cbb00bbdf17b84849293eaff654f71b228db2e8b3b1daa909b69728ffc649bdd7284819a77ff9aff6503e9a04848

  • SSDEEP

    1536:Cs1zxpZBETikZ80HwlxQgJIIdVVa5uwfQeB5Q75ze3SPoHLwG5K9tPwHK:bPZBET5pHO78uaXQo3SwN

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 26 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:1048
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1056
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1124
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\00b755e6e66c2c7dbdcee0d14518cf614dcd02bfaf0cc21d8cd9bfddd0de1bf3.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2860
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\00b755e6e66c2c7dbdcee0d14518cf614dcd02bfaf0cc21d8cd9bfddd0de1bf3.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2184
              • C:\Users\Admin\AppData\Local\Temp\f76e1e6.exe
                C:\Users\Admin\AppData\Local\Temp\f76e1e6.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:2216
              • C:\Users\Admin\AppData\Local\Temp\f76e3ca.exe
                C:\Users\Admin\AppData\Local\Temp\f76e3ca.exe
                4⤵
                • Executes dropped EXE
                PID:2624
              • C:\Users\Admin\AppData\Local\Temp\f76fddf.exe
                C:\Users\Admin\AppData\Local\Temp\f76fddf.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:2148
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1472

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            425458ce0fc0f789ce8d2ec3b4925860

            SHA1

            6656673f91809e65417999db718fcf27510713ec

            SHA256

            4d44286ef1ca76d19b6bc54e2ef1058aa259109e2612e0e5a54a2b68733119f8

            SHA512

            8c528c1d254e54231b2fb974c1f9a7413a3ef5c1671c5fe78f7fff615465da55e5cd1c6919c5b90cb83f38a5cda760c23790ed8b83c39ffbf4abb4b7aa1dd3a9

          • \Users\Admin\AppData\Local\Temp\f76e1e6.exe

            Filesize

            97KB

            MD5

            fab623edb8e7a06b3a92068e84236297

            SHA1

            509ac7120de43255dea39507402995e226b83dee

            SHA256

            3c4584301d1544ece80a3022f33f5c7048afd4d98f2af33c21aea96b32aadefc

            SHA512

            8cbb381b94bade190c43359c73df4f39728701575c65d8b4c2290c13cd5bb29754cd5f6fcf358ebeb5163f27c51c012d3ecbac5712ed9acb02547d44356f2d17

          • memory/1048-23-0x00000000003A0000-0x00000000003A2000-memory.dmp

            Filesize

            8KB

          • memory/2148-104-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2148-204-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2148-203-0x0000000000930000-0x00000000019EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2148-160-0x0000000000930000-0x00000000019EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2148-101-0x0000000000370000-0x0000000000371000-memory.dmp

            Filesize

            4KB

          • memory/2148-80-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2148-103-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2184-50-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2184-49-0x0000000000940000-0x0000000000952000-memory.dmp

            Filesize

            72KB

          • memory/2184-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2184-39-0x00000000008C0000-0x00000000008C1000-memory.dmp

            Filesize

            4KB

          • memory/2184-29-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2184-69-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2184-79-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2184-47-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2184-9-0x00000000001F0000-0x0000000000202000-memory.dmp

            Filesize

            72KB

          • memory/2184-30-0x00000000008C0000-0x00000000008C1000-memory.dmp

            Filesize

            4KB

          • memory/2216-18-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2216-83-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2216-22-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2216-13-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2216-19-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2216-17-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2216-59-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2216-60-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2216-61-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2216-62-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2216-63-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2216-65-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2216-66-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2216-15-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2216-57-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2216-58-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2216-81-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2216-38-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2216-84-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2216-16-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2216-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2216-14-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2216-21-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2216-11-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2216-20-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2216-106-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2216-105-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2216-147-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2216-146-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2624-123-0x0000000000270000-0x0000000000272000-memory.dmp

            Filesize

            8KB

          • memory/2624-96-0x0000000000280000-0x0000000000281000-memory.dmp

            Filesize

            4KB

          • memory/2624-97-0x0000000000270000-0x0000000000272000-memory.dmp

            Filesize

            8KB

          • memory/2624-176-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2624-102-0x0000000000270000-0x0000000000272000-memory.dmp

            Filesize

            8KB

          • memory/2624-51-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB