Analysis

  • max time kernel
    118s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    22-12-2024 12:41

General

  • Target

    65901adbb7289cb2a60c2d2adcfb6167c58b0cdcacd31fd25e4198842039f712N.dll

  • Size

    120KB

  • MD5

    c8dcc05346af66afd3d3df4e8007a9b0

  • SHA1

    3085f84eef8302d5591b4e3a8b3e2eca4a70fb21

  • SHA256

    65901adbb7289cb2a60c2d2adcfb6167c58b0cdcacd31fd25e4198842039f712

  • SHA512

    595215e96ce928a33c6de29506437635a5e8bc9dc06123f6f82564d782aea0f947759daa7a49c402220c1820b009db7c343c446e02568fc9eaefc68260473ec8

  • SSDEEP

    3072:FHPtxi7j/vjfNslYBYa8c+9nZDZ4JUyZ59urcJ3K:Rbi7rjfjBYDvZDyJUEmQ

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 15 IoCs

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

  • UPX packed file 22 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 45 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:1172
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1212
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\65901adbb7289cb2a60c2d2adcfb6167c58b0cdcacd31fd25e4198842039f712N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:684
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\65901adbb7289cb2a60c2d2adcfb6167c58b0cdcacd31fd25e4198842039f712N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2216
              • C:\Users\Admin\AppData\Local\Temp\f771eb7.exe
                C:\Users\Admin\AppData\Local\Temp\f771eb7.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:2756
              • C:\Users\Admin\AppData\Local\Temp\f77201e.exe
                C:\Users\Admin\AppData\Local\Temp\f77201e.exe
                4⤵
                • Executes dropped EXE
                PID:2532
              • C:\Users\Admin\AppData\Local\Temp\f7740f6.exe
                C:\Users\Admin\AppData\Local\Temp\f7740f6.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:960
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1444

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f771eb7.exe

            Filesize

            97KB

            MD5

            3e0e86d42e11b33132d45eb8c3b0ad4a

            SHA1

            84ab823206d1f5b96b6f6a5c530829f1afd27cfa

            SHA256

            b4eaa92c9c09078c2abafe549d8ecc0f53fb70be2e01bf341051999e31a5a1b3

            SHA512

            ef463a95310f48177c4536919ac4d71fef53b95e49c91278f05badf21718c65124113baf2b0588c1bbf476c83d89d9ceac244887507e8ba6405d808d9144b304

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            1a44a111a565afe99d1aa4fbcab019c4

            SHA1

            d4809dac3d52a38c734380dba1018778d7866eb3

            SHA256

            51d46ddcf3de8ac2db405875b0fe03cdcce7a93f6917ece81e2f661d072ebb70

            SHA512

            a09667069448c4340d049434365d68731869a09256e9a870423e55c0df111d0b7b0ad0788f7946b7efe38cbb8ea6ad1df563717e5ebdf7b0936c58cd3078c6f9

          • memory/960-80-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/960-103-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/960-104-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/960-102-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/960-163-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/960-204-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/960-205-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1116-20-0x0000000002010000-0x0000000002012000-memory.dmp

            Filesize

            8KB

          • memory/2216-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2216-4-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2216-31-0x00000000001B0000-0x00000000001B1000-memory.dmp

            Filesize

            4KB

          • memory/2216-13-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2216-29-0x00000000001B0000-0x00000000001B1000-memory.dmp

            Filesize

            4KB

          • memory/2216-38-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2216-28-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2216-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2216-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2216-7-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2216-47-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2532-50-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2532-94-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/2532-95-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2532-121-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2532-96-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2756-60-0x00000000003D0000-0x00000000003D2000-memory.dmp

            Filesize

            8KB

          • memory/2756-61-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2756-62-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2756-63-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2756-64-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2756-65-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2756-67-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2756-68-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2756-53-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2756-81-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2756-83-0x00000000003D0000-0x00000000003D2000-memory.dmp

            Filesize

            8KB

          • memory/2756-59-0x00000000003D0000-0x00000000003D2000-memory.dmp

            Filesize

            8KB

          • memory/2756-52-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2756-49-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2756-51-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2756-39-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2756-19-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2756-105-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2756-18-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2756-146-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2756-147-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2756-16-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2756-17-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2756-37-0x00000000003E0000-0x00000000003E1000-memory.dmp

            Filesize

            4KB

          • memory/2756-14-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB