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 13:49

General

  • Target

    33b2c8ae08ec02c8538d96d8f0463fd8136277a40e07cb060b92315c91cfc368.dll

  • Size

    120KB

  • MD5

    1f0588b47f05dd5f26a8e864a303e134

  • SHA1

    807e1dc6b4c47428d61a86a7ee40ce086d466a6c

  • SHA256

    33b2c8ae08ec02c8538d96d8f0463fd8136277a40e07cb060b92315c91cfc368

  • SHA512

    5036d488a1cdc85ee7a6d87156fa01eb772d716e9b15cbf76e4f43fdfa70522ff235d08518f824612669acad56717530624af730d207010e17079290b07545f1

  • SSDEEP

    3072:AvEaO6rRTnmyuoDxwxn6+ldQYathAUxIMcHhXojylw:AcaO6l7DGblTaHaFJw

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 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:1116
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1164
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1192
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\33b2c8ae08ec02c8538d96d8f0463fd8136277a40e07cb060b92315c91cfc368.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2984
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\33b2c8ae08ec02c8538d96d8f0463fd8136277a40e07cb060b92315c91cfc368.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2996
              • C:\Users\Admin\AppData\Local\Temp\f76c439.exe
                C:\Users\Admin\AppData\Local\Temp\f76c439.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:2532
              • C:\Users\Admin\AppData\Local\Temp\f76c61d.exe
                C:\Users\Admin\AppData\Local\Temp\f76c61d.exe
                4⤵
                • Modifies firewall policy service
                • UAC bypass
                • Windows security bypass
                • Executes dropped EXE
                • Windows security modification
                • Checks whether UAC is enabled
                • 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:2912
              • C:\Users\Admin\AppData\Local\Temp\f76e2d0.exe
                C:\Users\Admin\AppData\Local\Temp\f76e2d0.exe
                4⤵
                • Executes dropped EXE
                PID:676
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1236

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            4d731819e3510c78383643668b360fe8

            SHA1

            44384d7e062354d3f2ce01f5c3b266f411bd84fc

            SHA256

            bd84ff2a296cfaedbe4332a7649736145621e015b411e352c0bfef4179961eec

            SHA512

            73511acba025a7833d62bf028249e5aecf6b3ff5a1a08505ee915b39b89717e5957767f0d1210a2dbb7cae6cc17db2c743e2d0a695f341ad0d4b22ec406dbace

          • \Users\Admin\AppData\Local\Temp\f76c439.exe

            Filesize

            97KB

            MD5

            7e4b0ce2feb8d954b46d4bf4a0897448

            SHA1

            e573f183f4a2d7aff9401ed003108ee793c4a547

            SHA256

            70c941d63571515587e8f1aad8ef1af9d88d49f8d1d84c8e8d342e9dc5e4e01b

            SHA512

            7104fc1eff3f1dac73808177371e923f8d58c98c0c7a3aa72746d1d9e938bbf4c5b5eaa48bf70212eacf849a12471ab9c69776f9960bc34bfee6785c8682df91

          • memory/676-197-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/676-132-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/676-84-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/676-104-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/676-106-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/676-108-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/1116-32-0x0000000001FB0000-0x0000000001FB2000-memory.dmp

            Filesize

            8KB

          • memory/2532-72-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2532-71-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2532-50-0x0000000000380000-0x0000000000382000-memory.dmp

            Filesize

            8KB

          • memory/2532-26-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2532-153-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2532-154-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2532-66-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2532-58-0x0000000000380000-0x0000000000382000-memory.dmp

            Filesize

            8KB

          • memory/2532-67-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2532-48-0x0000000000390000-0x0000000000391000-memory.dmp

            Filesize

            4KB

          • memory/2532-69-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2532-24-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2532-70-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2532-22-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2532-20-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2532-19-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2532-18-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2532-25-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2532-23-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2532-21-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2532-17-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2532-64-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2532-63-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2532-65-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2532-15-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2532-87-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2532-88-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2532-14-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2912-131-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2912-98-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/2912-192-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2912-107-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2912-193-0x0000000000A00000-0x0000000001ABA000-memory.dmp

            Filesize

            16.7MB

          • memory/2912-105-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2912-162-0x0000000000A00000-0x0000000001ABA000-memory.dmp

            Filesize

            16.7MB

          • memory/2912-62-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2996-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2996-57-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2996-59-0x0000000000240000-0x0000000000252000-memory.dmp

            Filesize

            72KB

          • memory/2996-47-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/2996-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2996-60-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2996-39-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/2996-38-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2996-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2996-7-0x0000000000200000-0x0000000000212000-memory.dmp

            Filesize

            72KB

          • memory/2996-13-0x0000000000200000-0x0000000000212000-memory.dmp

            Filesize

            72KB

          • memory/2996-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB