Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    22-12-2024 03:31

General

  • Target

    2a035a06535dd92f05ef221c3d24b5d42ca95cea8f96f45234400951050bf6c2N.dll

  • Size

    120KB

  • MD5

    ffeb8fa2ee5bedb4c141d1a28025f720

  • SHA1

    c4c820e2725b0694c401119a20c280d6d9b266ba

  • SHA256

    2a035a06535dd92f05ef221c3d24b5d42ca95cea8f96f45234400951050bf6c2

  • SHA512

    18c2617db069915bbaa394babe07cff5d0dc6451f04df7a21201004ddafdd5d6d9ea2bf8759cbe4adbc6ee3c9e774c65d999fa56aa15502978f55ab1106b2ec4

  • SSDEEP

    3072:CRgvSQ2LaQAE7m020Vf1G2DQYa5esWtn:KgvF2yEK020VfYe3tn

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 23 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:1172
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1236
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\2a035a06535dd92f05ef221c3d24b5d42ca95cea8f96f45234400951050bf6c2N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2156
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\2a035a06535dd92f05ef221c3d24b5d42ca95cea8f96f45234400951050bf6c2N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2244
              • C:\Users\Admin\AppData\Local\Temp\f76c37e.exe
                C:\Users\Admin\AppData\Local\Temp\f76c37e.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:816
              • C:\Users\Admin\AppData\Local\Temp\f76c4f4.exe
                C:\Users\Admin\AppData\Local\Temp\f76c4f4.exe
                4⤵
                • Executes dropped EXE
                PID:2704
              • C:\Users\Admin\AppData\Local\Temp\f76df48.exe
                C:\Users\Admin\AppData\Local\Temp\f76df48.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:2628
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:2040

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            bf9de400127a943db991ebb6992f671b

            SHA1

            d6096c42f12e7809f046bf9275c6af6ffe53d628

            SHA256

            58053d4ddb7c9e22f732d43101a8c95efb772d9f3790ec3a766944e4ada04042

            SHA512

            0b1ff2a6e72b9d37577d12f68f6a73d96715d6dec779d0874161e38c6cbc71844ba998d561eb4ea2c1eab8e3ac3ddee78d65b57aeeb8c7d28c7f94af83bb850c

          • \Users\Admin\AppData\Local\Temp\f76c37e.exe

            Filesize

            97KB

            MD5

            9e78100f350fc887406144087c39943f

            SHA1

            d069c1a278a8fd91c99a0207c7977c2931b7a2f0

            SHA256

            6a8e76c41de28ec727f8130a32e41b0d0c6c04bd2a9020d75f99b5fbf85fc0a9

            SHA512

            248e3aced16e54d67442769307be9388cd15aeb66f30b0198f8bca7e6e489747d9669c1f16f9d048c165949184433c4c5a2808b63104656c4e48c5f6aa1a974f

          • memory/816-89-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/816-51-0x00000000017E0000-0x00000000017E2000-memory.dmp

            Filesize

            8KB

          • memory/816-66-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/816-12-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/816-16-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/816-18-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/816-15-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/816-21-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/816-14-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/816-20-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/816-19-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/816-67-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/816-50-0x00000000017E0000-0x00000000017E2000-memory.dmp

            Filesize

            8KB

          • memory/816-161-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/816-22-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/816-48-0x00000000017F0000-0x00000000017F1000-memory.dmp

            Filesize

            4KB

          • memory/816-162-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/816-90-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/816-68-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/816-17-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/816-87-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/816-74-0x00000000017E0000-0x00000000017E2000-memory.dmp

            Filesize

            8KB

          • memory/816-71-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/816-70-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/816-65-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/816-64-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/816-11-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1116-28-0x0000000000570000-0x0000000000572000-memory.dmp

            Filesize

            8KB

          • memory/2244-58-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2244-38-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/2244-59-0x00000000001D0000-0x00000000001E2000-memory.dmp

            Filesize

            72KB

          • memory/2244-60-0x00000000001D0000-0x00000000001E2000-memory.dmp

            Filesize

            72KB

          • memory/2244-9-0x0000000000180000-0x0000000000192000-memory.dmp

            Filesize

            72KB

          • memory/2244-85-0x0000000000180000-0x0000000000182000-memory.dmp

            Filesize

            8KB

          • memory/2244-83-0x00000000002D0000-0x00000000002E2000-memory.dmp

            Filesize

            72KB

          • memory/2244-61-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2244-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2244-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2244-37-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2244-47-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/2628-177-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2628-111-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2628-109-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2628-140-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2628-86-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2628-218-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2628-219-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2704-103-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2704-135-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2704-105-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2704-183-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2704-63-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2704-104-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB