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
    10-12-2024 20:05

General

  • Target

    b89a9551dc6944e70b3b664547affc18b85fbe07904697644f03f5964c4ac43aN.dll

  • Size

    120KB

  • MD5

    cb9bae02f2a20ed4374ee655a8e42450

  • SHA1

    aed5bb140b6a8e775c154ec34e29dcd02674c359

  • SHA256

    b89a9551dc6944e70b3b664547affc18b85fbe07904697644f03f5964c4ac43a

  • SHA512

    eb40ff42c28efdcbfa5a85aff00223062cad97a036e10aaedaa310b4723cdcf168fd71c0029125820b24ed90a8aced6b20d59d07a1dd753e0c549f561ba893b6

  • SSDEEP

    3072:67q6xc4VN+GjlLjl6jFb9uLZFyGJwhQCMZs6p02FWrSHRJju:6Lx9IGjlLYjmHyG5CMZjFT7S

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 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:1116
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1168
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1204
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\b89a9551dc6944e70b3b664547affc18b85fbe07904697644f03f5964c4ac43aN.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1800
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\b89a9551dc6944e70b3b664547affc18b85fbe07904697644f03f5964c4ac43aN.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1692
              • C:\Users\Admin\AppData\Local\Temp\f76afcf.exe
                C:\Users\Admin\AppData\Local\Temp\f76afcf.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:1136
              • C:\Users\Admin\AppData\Local\Temp\f76b1b3.exe
                C:\Users\Admin\AppData\Local\Temp\f76b1b3.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:2772
              • C:\Users\Admin\AppData\Local\Temp\f76cb5a.exe
                C:\Users\Admin\AppData\Local\Temp\f76cb5a.exe
                4⤵
                • Executes dropped EXE
                PID:2684
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1528

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            dd08f943bad32ef5bd9e7d6cbf9884cb

            SHA1

            afa4d51081cc2380e13a4b84502831dc86db3c17

            SHA256

            6626e5e0d5feba6a1bd33a0ee9dce0854e97e6736b16e44cb63d9bbbe20fe302

            SHA512

            4d69a693bb852b2ed69acba3593f889d01b1cced1a43f1a5a42d441daca0f94c05bc7308420aba8ea5c9c1504274508d3e8a7fbba3f7e2bd39d07156d0e9ffdf

          • \Users\Admin\AppData\Local\Temp\f76afcf.exe

            Filesize

            97KB

            MD5

            1cc0de15cc5bba02bcaac63aa0b893ed

            SHA1

            2b6d08520c5eebfa999e6c5f88a6bc81e0d2f8c2

            SHA256

            b1261b132b9449ebbfd916c3400af66ac323b1588b454e1fe86319e176104c82

            SHA512

            009259600d43acc1e18f9e481b35c245e421feb01a47cb4112b8284706d3a7403acbc771b86e65c78354c7690a3aeb63a3a6cda6e7692b3fcdb96c5db6ca926e

          • memory/1116-32-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1136-19-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/1136-113-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/1136-25-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/1136-14-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1136-110-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/1136-68-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/1136-22-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/1136-23-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/1136-17-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/1136-26-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/1136-51-0x0000000000330000-0x0000000000332000-memory.dmp

            Filesize

            8KB

          • memory/1136-92-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/1136-91-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/1136-88-0x0000000000330000-0x0000000000332000-memory.dmp

            Filesize

            8KB

          • memory/1136-67-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/1136-153-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/1136-49-0x00000000005A0000-0x00000000005A1000-memory.dmp

            Filesize

            4KB

          • memory/1136-86-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/1136-24-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/1136-87-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/1136-71-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/1136-152-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1136-21-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/1136-20-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/1136-18-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/1136-63-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/1136-70-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/1136-64-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/1136-66-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/1136-59-0x0000000000330000-0x0000000000332000-memory.dmp

            Filesize

            8KB

          • memory/1692-61-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/1692-7-0x0000000000140000-0x0000000000152000-memory.dmp

            Filesize

            72KB

          • memory/1692-39-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/1692-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1692-84-0x0000000000140000-0x0000000000142000-memory.dmp

            Filesize

            8KB

          • memory/1692-80-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/1692-75-0x00000000002A0000-0x00000000002B2000-memory.dmp

            Filesize

            72KB

          • memory/1692-40-0x0000000000180000-0x0000000000181000-memory.dmp

            Filesize

            4KB

          • memory/1692-48-0x0000000000180000-0x0000000000181000-memory.dmp

            Filesize

            4KB

          • memory/1692-60-0x0000000000230000-0x0000000000242000-memory.dmp

            Filesize

            72KB

          • memory/1692-4-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1692-58-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/1692-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1692-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1692-13-0x0000000000140000-0x0000000000152000-memory.dmp

            Filesize

            72KB

          • memory/2684-108-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2684-109-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2684-196-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2684-111-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2684-85-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2772-101-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2772-131-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2772-102-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2772-65-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2772-160-0x0000000000920000-0x00000000019DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2772-192-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2772-191-0x0000000000920000-0x00000000019DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2772-100-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB