Analysis

  • max time kernel
    27s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    20-12-2024 02:19

General

  • Target

    0e821a2d1a38983eca037a4a4d96c70f805b3b8845e9400cf6839a976479ff83N.dll

  • Size

    120KB

  • MD5

    eacd25bc983f3ffca4ddf5d300bf9420

  • SHA1

    8145a9cb4631a41ed09b726949cf77fc5c95b9c6

  • SHA256

    0e821a2d1a38983eca037a4a4d96c70f805b3b8845e9400cf6839a976479ff83

  • SHA512

    bd728c41cbb41bf83452cf01b16bb8651b88a469cde36ab5e6b1946bb2aedcccc0cf00be9076f71f50e7270aa8362910435675c0bee4ae3bebdddc1d759f2407

  • SSDEEP

    3072:x/c6nQ9HDcmG5ISVRw0VlZWFvYV1nAWs:dHqcXtRrVlyYVWj

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 25 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:1108
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1172
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1196
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\0e821a2d1a38983eca037a4a4d96c70f805b3b8845e9400cf6839a976479ff83N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2328
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\0e821a2d1a38983eca037a4a4d96c70f805b3b8845e9400cf6839a976479ff83N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:352
              • C:\Users\Admin\AppData\Local\Temp\f76b1a3.exe
                C:\Users\Admin\AppData\Local\Temp\f76b1a3.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:772
              • C:\Users\Admin\AppData\Local\Temp\f76b319.exe
                C:\Users\Admin\AppData\Local\Temp\f76b319.exe
                4⤵
                • Executes dropped EXE
                PID:820
              • C:\Users\Admin\AppData\Local\Temp\f76cd6d.exe
                C:\Users\Admin\AppData\Local\Temp\f76cd6d.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:2652
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:2028

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            503ca3d2c7674da35a7f4ee27fa1c190

            SHA1

            58604d2536f5c91c716638dc43bc6d8f6229af3f

            SHA256

            8435d63739ad81c139d14cab4cfab0abde4761f0502ffcd0211ceef6f040383e

            SHA512

            61c759fccd803c807177c608ac554144f1e5bd1d7961c52387965dc19885af6832b90ba9f6b1fa02ccb9da83bf7f76786fecb6eeb4cc1af150036ec8dfd22a88

          • \Users\Admin\AppData\Local\Temp\f76b1a3.exe

            Filesize

            97KB

            MD5

            a739f76d2756ea96aa9d44ef34b155c6

            SHA1

            dbf395b29c7368c5a798e0290a15460b19fd9e23

            SHA256

            edf6cf2b36a77a73108becade00b6efbb96f26ea13d9004c2b79ba4ed9662e90

            SHA512

            33abda50a2fb1cdc5777c1fc865dc65817045601db3d86925172a75d2110b99e3d4fc030e10d669aa8ce98395b42df55b3c73084bb1a704376a1512d25f5d1b2

          • memory/352-75-0x00000000002F0000-0x00000000002F2000-memory.dmp

            Filesize

            8KB

          • memory/352-8-0x0000000000170000-0x0000000000182000-memory.dmp

            Filesize

            72KB

          • memory/352-71-0x0000000000330000-0x0000000000342000-memory.dmp

            Filesize

            72KB

          • memory/352-80-0x0000000000330000-0x0000000000342000-memory.dmp

            Filesize

            72KB

          • memory/352-43-0x0000000000300000-0x0000000000301000-memory.dmp

            Filesize

            4KB

          • memory/352-82-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/352-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/352-54-0x00000000002F0000-0x00000000002F2000-memory.dmp

            Filesize

            8KB

          • memory/352-55-0x0000000000310000-0x0000000000322000-memory.dmp

            Filesize

            72KB

          • memory/352-56-0x00000000002F0000-0x00000000002F2000-memory.dmp

            Filesize

            8KB

          • memory/352-34-0x00000000002F0000-0x00000000002F2000-memory.dmp

            Filesize

            8KB

          • memory/352-35-0x0000000000300000-0x0000000000301000-memory.dmp

            Filesize

            4KB

          • memory/772-63-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/772-14-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/772-47-0x0000000002E40000-0x0000000002E42000-memory.dmp

            Filesize

            8KB

          • memory/772-18-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/772-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/772-21-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/772-20-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/772-17-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/772-15-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/772-152-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/772-59-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/772-60-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/772-61-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/772-62-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/772-13-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/772-65-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/772-66-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/772-153-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/772-22-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/772-19-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/772-16-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/772-44-0x0000000002E50000-0x0000000002E51000-memory.dmp

            Filesize

            4KB

          • memory/772-69-0x0000000002E40000-0x0000000002E42000-memory.dmp

            Filesize

            8KB

          • memory/772-84-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/772-86-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/772-89-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/772-111-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/772-109-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/820-58-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/820-98-0x00000000003B0000-0x00000000003B1000-memory.dmp

            Filesize

            4KB

          • memory/820-96-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/820-99-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/820-182-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/820-126-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/1108-28-0x0000000000250000-0x0000000000252000-memory.dmp

            Filesize

            8KB

          • memory/2652-105-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/2652-83-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2652-129-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2652-107-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2652-166-0x0000000000930000-0x00000000019EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2652-210-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2652-209-0x0000000000930000-0x00000000019EA000-memory.dmp

            Filesize

            16.7MB