Analysis

  • max time kernel
    118s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    10-12-2024 22:41

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 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:1120
    • 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\5bea5e192ace7c08563f23198c71a433a5c5da05f002b642ba6bd481a8d6b8fa.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:784
            • 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:2944
              • C:\Users\Admin\AppData\Local\Temp\f76d4bd.exe
                C:\Users\Admin\AppData\Local\Temp\f76d4bd.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:2488
              • C:\Users\Admin\AppData\Local\Temp\f76d681.exe
                C:\Users\Admin\AppData\Local\Temp\f76d681.exe
                4⤵
                • Executes dropped EXE
                PID:2108
              • C:\Users\Admin\AppData\Local\Temp\f76f086.exe
                C:\Users\Admin\AppData\Local\Temp\f76f086.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:320
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1632

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f76d4bd.exe

            Filesize

            97KB

            MD5

            d75787a844d8e14a0432e56706416f21

            SHA1

            b3e6a67e7fdda71b8ee912061c396bb63b7aa461

            SHA256

            f3b360d50728a7af92256c3f28691aa50b83f382f59bc7b2446316f375d377be

            SHA512

            72d37d5f75d5ea4c6d8310331e2acb96de3337f912c1dd80b692f5bebfe24eceb6100d9cc4324dabdadd97cda815c345adedbecb6f7a990071dcea7c769899b4

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            44214248644919523f72690cc8e2dab5

            SHA1

            335fe921f6da865182bf4f5475920ee6f3daaf95

            SHA256

            d0354677c1237005dce80870592a3992fc02fa9eaf745191f305a5232c4cbd3c

            SHA512

            e74cce6930c6ec0cf4ef4662fb554455dc7b7b7024eeab6a4bdb083b5c7dea9d71a0caf71462a7627b494c65b6af3aae9ab9825e3df6fe2da81fe961972d7581

          • memory/320-109-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/320-168-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/320-209-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/320-167-0x0000000000920000-0x00000000019DA000-memory.dmp

            Filesize

            16.7MB

          • memory/320-210-0x0000000000920000-0x00000000019DA000-memory.dmp

            Filesize

            16.7MB

          • memory/320-85-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/320-111-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/320-110-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1120-30-0x00000000002D0000-0x00000000002D2000-memory.dmp

            Filesize

            8KB

          • memory/2108-108-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2108-102-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2108-101-0x00000000003B0000-0x00000000003B1000-memory.dmp

            Filesize

            4KB

          • memory/2108-130-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2108-160-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2108-64-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2488-50-0x0000000003D20000-0x0000000003D21000-memory.dmp

            Filesize

            4KB

          • memory/2488-60-0x00000000005A0000-0x00000000005A2000-memory.dmp

            Filesize

            8KB

          • memory/2488-23-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-13-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2488-16-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-156-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-155-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2488-14-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-22-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-21-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-18-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-65-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-66-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-67-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-69-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-68-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-71-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-72-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-86-0x00000000005A0000-0x00000000005A2000-memory.dmp

            Filesize

            8KB

          • memory/2488-19-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-24-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-17-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-87-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-90-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-91-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-20-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-52-0x00000000005A0000-0x00000000005A2000-memory.dmp

            Filesize

            8KB

          • memory/2944-59-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/2944-81-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/2944-83-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2944-49-0x00000000001F0000-0x00000000001F1000-memory.dmp

            Filesize

            4KB

          • memory/2944-39-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/2944-40-0x00000000001F0000-0x00000000001F1000-memory.dmp

            Filesize

            4KB

          • memory/2944-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2944-61-0x0000000000200000-0x0000000000212000-memory.dmp

            Filesize

            72KB

          • memory/2944-12-0x00000000001B0000-0x00000000001C2000-memory.dmp

            Filesize

            72KB

          • memory/2944-62-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/2944-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2944-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2944-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB