Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    17-12-2024 23:59

General

  • Target

    766ad1604235763431c502e7b5ad0aa3b0f35753dc4dee0b655b385d59ed878a.dll

  • Size

    120KB

  • MD5

    8990526710c4a5468b85a54a3e7cde6c

  • SHA1

    1cc39153a8badde651f62158ac2cb3433ad6afd8

  • SHA256

    766ad1604235763431c502e7b5ad0aa3b0f35753dc4dee0b655b385d59ed878a

  • SHA512

    e23a118bfbf20a62dc92811cd7dd0c54eda1ad9afc3e1e60ec484b06ced399ac2fd671cd96b33385064abc0a32bb721c058129a71c0494d628ad6d6301321d53

  • SSDEEP

    1536:vx94sbeY6niLzwOZlDbhV7DcxTQsnjzdgOktz3CMd0DPUDKdGVIKLymIrjzs2VK2:vxeKeY6niowaVjPI7CPbUD8GHLg

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 17 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:1116
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1168
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1192
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\766ad1604235763431c502e7b5ad0aa3b0f35753dc4dee0b655b385d59ed878a.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2532
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\766ad1604235763431c502e7b5ad0aa3b0f35753dc4dee0b655b385d59ed878a.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2540
              • C:\Users\Admin\AppData\Local\Temp\f76a60f.exe
                C:\Users\Admin\AppData\Local\Temp\f76a60f.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:1880
              • C:\Users\Admin\AppData\Local\Temp\f76a776.exe
                C:\Users\Admin\AppData\Local\Temp\f76a776.exe
                4⤵
                • Executes dropped EXE
                PID:2184
              • C:\Users\Admin\AppData\Local\Temp\f76c1f8.exe
                C:\Users\Admin\AppData\Local\Temp\f76c1f8.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:2320
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1644

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            2c24fc547f774d329acbffff9b9c2e17

            SHA1

            1db9ef2cc6ab80697c6d8f7b51537fae15680d5d

            SHA256

            10bc29421c5601676db5a75b2817a40cbfefa75612c3943f525eed7655b3cd5b

            SHA512

            520900b181ed3408739847658c3036ea7f7675003ca68ad32ac145f36687574496f6076c6bf1b97b31936445855f74663df502aad866cf84f6464fe88bb64164

          • \Users\Admin\AppData\Local\Temp\f76a60f.exe

            Filesize

            97KB

            MD5

            1e2200eda22ce95e1bba8e22dacb113f

            SHA1

            b8a7fa8f5ea71961107136d482a9f07339cc6b9f

            SHA256

            d3e86257de23499dea3a3d70c66f1450840179ca5728dcecaacc53dccc4d8f3f

            SHA512

            d878c686083674c3ad4deb34ba5ae99dfd80b539c25d4f355d71d83b99f5bd3bc4a6e28f7083c4694039f7ab60edd0de4f87b52d77f4253addabcd71624bd3d9

          • memory/1116-32-0x0000000000160000-0x0000000000162000-memory.dmp

            Filesize

            8KB

          • memory/1880-88-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/1880-72-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/1880-160-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1880-14-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1880-90-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/1880-19-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/1880-21-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/1880-18-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/1880-17-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/1880-52-0x00000000005A0000-0x00000000005A2000-memory.dmp

            Filesize

            8KB

          • memory/1880-24-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/1880-66-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/1880-86-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/1880-111-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/1880-71-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/1880-60-0x00000000005A0000-0x00000000005A2000-memory.dmp

            Filesize

            8KB

          • memory/1880-50-0x0000000003010000-0x0000000003011000-memory.dmp

            Filesize

            4KB

          • memory/1880-68-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/1880-22-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/1880-20-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/1880-69-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/1880-67-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/1880-161-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/1880-26-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/1880-23-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/1880-25-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/1880-65-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2184-64-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2184-109-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2184-186-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2184-136-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2184-101-0x0000000000330000-0x0000000000331000-memory.dmp

            Filesize

            4KB

          • memory/2184-104-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2320-137-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2320-107-0x0000000000240000-0x0000000000241000-memory.dmp

            Filesize

            4KB

          • memory/2320-213-0x0000000000900000-0x00000000019BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2320-214-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2320-173-0x0000000000900000-0x00000000019BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2320-110-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2320-85-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2320-108-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2540-7-0x0000000000120000-0x0000000000132000-memory.dmp

            Filesize

            72KB

          • memory/2540-62-0x0000000000210000-0x0000000000212000-memory.dmp

            Filesize

            8KB

          • memory/2540-61-0x0000000000230000-0x0000000000242000-memory.dmp

            Filesize

            72KB

          • memory/2540-84-0x0000000000120000-0x0000000000122000-memory.dmp

            Filesize

            8KB

          • memory/2540-49-0x0000000000220000-0x0000000000221000-memory.dmp

            Filesize

            4KB

          • memory/2540-40-0x0000000000210000-0x0000000000212000-memory.dmp

            Filesize

            8KB

          • memory/2540-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2540-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2540-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2540-13-0x0000000000120000-0x0000000000132000-memory.dmp

            Filesize

            72KB

          • memory/2540-41-0x0000000000220000-0x0000000000221000-memory.dmp

            Filesize

            4KB

          • memory/2540-59-0x0000000000210000-0x0000000000212000-memory.dmp

            Filesize

            8KB

          • memory/2540-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB