Analysis

  • max time kernel
    122s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    10-12-2024 22:47

General

  • Target

    5bea5e192ace7c08563f23198c71a433a5c5da05f002b642ba6bd481a8d6b8fa.dll

  • Size

    120KB

  • MD5

    cfd4ed35d874eab4c394d99234886c10

  • SHA1

    d4eeca9c9ab2d8c8452008cfd8d9b54dedd190c3

  • SHA256

    5bea5e192ace7c08563f23198c71a433a5c5da05f002b642ba6bd481a8d6b8fa

  • SHA512

    0379d613b41b39afdb58b1f88554a92dfe118e8dfd9b975cef27a6b7d09369d9d410bc4cd13dcf675700370ad564e907ff3b33bc5565129ccacdef25aed1b511

  • SSDEEP

    1536:9Zdk5ZW766g5o7VtMz3IIgC/q7xtwoZBEugVbtZieVIEbhk0Biu+Ys:MgWH5kVt8gC/gtwozEvVbtseVp/1+

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 24 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:1060
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1120
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1188
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\5bea5e192ace7c08563f23198c71a433a5c5da05f002b642ba6bd481a8d6b8fa.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2828
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\5bea5e192ace7c08563f23198c71a433a5c5da05f002b642ba6bd481a8d6b8fa.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2844
              • C:\Users\Admin\AppData\Local\Temp\f76fec9.exe
                C:\Users\Admin\AppData\Local\Temp\f76fec9.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:2980
              • C:\Users\Admin\AppData\Local\Temp\f77005e.exe
                C:\Users\Admin\AppData\Local\Temp\f77005e.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:1928
              • C:\Users\Admin\AppData\Local\Temp\f771ac1.exe
                C:\Users\Admin\AppData\Local\Temp\f771ac1.exe
                4⤵
                • Executes dropped EXE
                PID:2628
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1572

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            256B

            MD5

            e9452ebf728a817fa6b2b7c8b55b4072

            SHA1

            436caf3d81f487787e358a4ea7acd28176207e24

            SHA256

            c10c3e57384190971fd585b5bfaa2f69a459e0da4e0036b546cff799689e7e86

            SHA512

            0f711cfef02b8a1da872b0cb19dae671476b8afe9454160a631978bdf304f1a5bf8651cdea2687eead400f91c9a3c43d62e343bfe46c3cbb75cf6d5eb830a214

          • \Users\Admin\AppData\Local\Temp\f76fec9.exe

            Filesize

            97KB

            MD5

            d75787a844d8e14a0432e56706416f21

            SHA1

            b3e6a67e7fdda71b8ee912061c396bb63b7aa461

            SHA256

            f3b360d50728a7af92256c3f28691aa50b83f382f59bc7b2446316f375d377be

            SHA512

            72d37d5f75d5ea4c6d8310331e2acb96de3337f912c1dd80b692f5bebfe24eceb6100d9cc4324dabdadd97cda815c345adedbecb6f7a990071dcea7c769899b4

          • memory/1060-29-0x0000000001ED0000-0x0000000001ED2000-memory.dmp

            Filesize

            8KB

          • memory/1928-107-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1928-129-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1928-62-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1928-191-0x0000000000930000-0x00000000019EA000-memory.dmp

            Filesize

            16.7MB

          • memory/1928-192-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1928-166-0x0000000000930000-0x00000000019EA000-memory.dmp

            Filesize

            16.7MB

          • memory/1928-105-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1928-99-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2628-108-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2628-106-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2628-85-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2628-196-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2628-104-0x0000000000240000-0x0000000000241000-memory.dmp

            Filesize

            4KB

          • memory/2844-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2844-47-0x0000000000200000-0x0000000000201000-memory.dmp

            Filesize

            4KB

          • memory/2844-38-0x0000000000200000-0x0000000000201000-memory.dmp

            Filesize

            4KB

          • memory/2844-37-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2844-4-0x00000000001C0000-0x00000000001D2000-memory.dmp

            Filesize

            72KB

          • memory/2844-83-0x00000000001C0000-0x00000000001C2000-memory.dmp

            Filesize

            8KB

          • memory/2844-197-0x0000000000290000-0x00000000002A2000-memory.dmp

            Filesize

            72KB

          • memory/2844-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2844-61-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2844-60-0x0000000000270000-0x0000000000282000-memory.dmp

            Filesize

            72KB

          • memory/2844-84-0x0000000000290000-0x00000000002A2000-memory.dmp

            Filesize

            72KB

          • memory/2844-58-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2980-51-0x00000000004D0000-0x00000000004D2000-memory.dmp

            Filesize

            8KB

          • memory/2980-67-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2980-66-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2980-69-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2980-70-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2980-65-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2980-64-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2980-63-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2980-80-0x00000000004D0000-0x00000000004D2000-memory.dmp

            Filesize

            8KB

          • memory/2980-86-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2980-87-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2980-91-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2980-21-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2980-16-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2980-20-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2980-48-0x0000000000520000-0x0000000000521000-memory.dmp

            Filesize

            4KB

          • memory/2980-23-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2980-49-0x00000000004D0000-0x00000000004D2000-memory.dmp

            Filesize

            8KB

          • memory/2980-109-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2980-22-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2980-158-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2980-157-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2980-18-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2980-15-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2980-19-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2980-17-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2980-13-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2980-11-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB