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 12:59

General

  • Target

    3a4deb29bf619917118ddf0b110f105d2a332ba186f1c4bdb168d10718250d21N.dll

  • Size

    120KB

  • MD5

    1048c639dfd9314f1a9d52d1e2df1ff0

  • SHA1

    13351fa68e7434e10dd5981cc2e84ea7a123b1c8

  • SHA256

    3a4deb29bf619917118ddf0b110f105d2a332ba186f1c4bdb168d10718250d21

  • SHA512

    cbfc5ac25cc7221b447a1c076decfd1c0520f28b72f16057cc53eac7056fc0b68f335b31486b938a415870687bd092f37284fc0430b57b84c65ab344a03c840d

  • SSDEEP

    1536:Jz8+gCE1CsJalE6LsL+Mfy27remS1Yvg4AUtMRoiG8/efJdxIFUmqfV1wfmMB7W:F5gXoIl6LD9AwYA2yo2/wJ8SdN1uv

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 9 IoCs
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • Sality family
  • UAC bypass 3 TTPs 3 IoCs
  • Windows security bypass 2 TTPs 18 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • Windows security modification 2 TTPs 21 IoCs
  • Checks whether UAC is enabled 1 TTPs 3 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 4 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 42 IoCs
  • System policy modification 1 TTPs 3 IoCs

Processes

  • C:\Windows\system32\Dwm.exe
    "C:\Windows\system32\Dwm.exe"
    1⤵
      PID:1040
    • C:\Windows\system32\taskhost.exe
      "taskhost.exe"
      1⤵
        PID:1068
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1112
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\3a4deb29bf619917118ddf0b110f105d2a332ba186f1c4bdb168d10718250d21N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2672
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\3a4deb29bf619917118ddf0b110f105d2a332ba186f1c4bdb168d10718250d21N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:3064
              • C:\Users\Admin\AppData\Local\Temp\f76b201.exe
                C:\Users\Admin\AppData\Local\Temp\f76b201.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:2304
              • C:\Users\Admin\AppData\Local\Temp\f76b3b5.exe
                C:\Users\Admin\AppData\Local\Temp\f76b3b5.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:2420
              • C:\Users\Admin\AppData\Local\Temp\f76d04a.exe
                C:\Users\Admin\AppData\Local\Temp\f76d04a.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:2900
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:888

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            5e84724b1e8705e575015ee2eb8ed173

            SHA1

            a6726916c4dc7dec0b7831797c59906e6ec810c2

            SHA256

            a5550b04ac790ef115a731974062014658038f5c7dab2d9a9a6e3d2092ca329c

            SHA512

            1ada77a1445670948dbf4bda6c716c4a04e46f7be1d7b6a4661e891cc689e18c520e3955b4cd94728f921f170b9918905fc65e5c9698724c853c34702f1746d3

          • \Users\Admin\AppData\Local\Temp\f76b201.exe

            Filesize

            97KB

            MD5

            5737ef262c938064204f97cc828c57b5

            SHA1

            4a24a3c711ef98ae48e26212153c56488ea0167f

            SHA256

            39fae085283bb3122bad060d7d917c3251d21222156aeca3cd456688f7d206b2

            SHA512

            888d3659799335d8504a39bba0c61019c5c1e62788fe95265cd9f8f7b88ef94918d6750db793e5d8c37d9c01392577d4f0df12e8fe742e745bc295ccea6a3ae4

          • memory/1040-26-0x0000000001F90000-0x0000000001F92000-memory.dmp

            Filesize

            8KB

          • memory/2304-88-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2304-158-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2304-13-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2304-64-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2304-63-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2304-18-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2304-21-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2304-17-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2304-48-0x00000000017A0000-0x00000000017A1000-memory.dmp

            Filesize

            4KB

          • memory/2304-51-0x0000000001790000-0x0000000001792000-memory.dmp

            Filesize

            8KB

          • memory/2304-72-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2304-71-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2304-24-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2304-70-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2304-50-0x0000000001790000-0x0000000001792000-memory.dmp

            Filesize

            8KB

          • memory/2304-23-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2304-157-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2304-87-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2304-69-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2304-68-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2304-22-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2304-20-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2304-19-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2304-16-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2304-66-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2304-14-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2304-65-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2420-105-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2420-200-0x0000000000990000-0x0000000001A4A000-memory.dmp

            Filesize

            16.7MB

          • memory/2420-97-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2420-133-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2420-173-0x0000000000990000-0x0000000001A4A000-memory.dmp

            Filesize

            16.7MB

          • memory/2420-201-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2420-62-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2420-98-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2900-107-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2900-104-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/2900-84-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2900-237-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2900-106-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2900-136-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/3064-12-0x0000000000660000-0x0000000000672000-memory.dmp

            Filesize

            72KB

          • memory/3064-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/3064-37-0x0000000000680000-0x0000000000682000-memory.dmp

            Filesize

            8KB

          • memory/3064-4-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/3064-38-0x0000000000690000-0x0000000000691000-memory.dmp

            Filesize

            4KB

          • memory/3064-47-0x0000000000690000-0x0000000000691000-memory.dmp

            Filesize

            4KB

          • memory/3064-58-0x0000000000680000-0x0000000000682000-memory.dmp

            Filesize

            8KB

          • memory/3064-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/3064-60-0x00000000006F0000-0x0000000000702000-memory.dmp

            Filesize

            72KB

          • memory/3064-61-0x0000000000680000-0x0000000000682000-memory.dmp

            Filesize

            8KB

          • memory/3064-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB