Analysis

  • max time kernel
    27s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    18-12-2024 00:39

General

  • Target

    436b0655bc4f944529ae2e0285d12d2ff6c360030926185da6227a36251a0b5f.dll

  • Size

    120KB

  • MD5

    32733b923780ffe49fdd41704bfe8de6

  • SHA1

    5a7bca71f8bd649c87539f8271dc54ea0c897289

  • SHA256

    436b0655bc4f944529ae2e0285d12d2ff6c360030926185da6227a36251a0b5f

  • SHA512

    d85c66784e0a2011ae5553491ffe886fff1822f0430e7a520981ade55d408e014e39bcb0bdd9b6c3e4ee3fa7245d2090e9b6323b4b520f5b5a5598e1b55a3270

  • SSDEEP

    3072:2vpALNdy5WfswwJqeE0V9Fc0K1cDXW4CbOiqt:8pONkUsjzxnKaXW4OOnt

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 9 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 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:1104
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1168
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1252
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\436b0655bc4f944529ae2e0285d12d2ff6c360030926185da6227a36251a0b5f.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2128
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\436b0655bc4f944529ae2e0285d12d2ff6c360030926185da6227a36251a0b5f.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2268
              • C:\Users\Admin\AppData\Local\Temp\f7676c5.exe
                C:\Users\Admin\AppData\Local\Temp\f7676c5.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:2724
              • C:\Users\Admin\AppData\Local\Temp\f7678b9.exe
                C:\Users\Admin\AppData\Local\Temp\f7678b9.exe
                4⤵
                • Executes dropped EXE
                PID:2196
              • C:\Users\Admin\AppData\Local\Temp\f769270.exe
                C:\Users\Admin\AppData\Local\Temp\f769270.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:2200
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1348

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f7676c5.exe

            Filesize

            97KB

            MD5

            b003f4eb413a5202d0e8bf1e5086ff3c

            SHA1

            7077598c253e5e8169f2b69edeacbe76e330058e

            SHA256

            ef2270da5ed7bd5fd9b031880c97f1de7c1be1723326a169370a0fe45be77212

            SHA512

            626f74dfbc6994c216a86e7115c82d311081f76ca1cf63928111f95c3d3a41b28078434a20c3dea024317ffe3853b8be1b772ff202dcce01fd649b451a156660

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            4f247ad9b19913298dbee91ef023a87d

            SHA1

            a1547029af4ffee6187570208fe823231dfb0b8f

            SHA256

            9a48ee090276f52ef2626cddce2de560218761d7caaaae9ffd36bef1f8dd1571

            SHA512

            a6583d35d0141d3c2d44a05524683751f45460701812f8bffc3262aee797db58b46c618590dd5b318ee7fb05ae1e255c3b9c4ba12a1073f4c8ca68b5d52ec12a

          • memory/1104-28-0x0000000000490000-0x0000000000492000-memory.dmp

            Filesize

            8KB

          • memory/2196-94-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2196-97-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/2196-62-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2196-96-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2196-146-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2196-118-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2200-148-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2200-106-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2200-104-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2200-149-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2200-198-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2200-197-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2268-47-0x0000000000240000-0x0000000000241000-memory.dmp

            Filesize

            4KB

          • memory/2268-80-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2268-59-0x00000000002A0000-0x00000000002B2000-memory.dmp

            Filesize

            72KB

          • memory/2268-8-0x00000000001F0000-0x0000000000202000-memory.dmp

            Filesize

            72KB

          • memory/2268-38-0x0000000000240000-0x0000000000241000-memory.dmp

            Filesize

            4KB

          • memory/2268-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2268-60-0x0000000000230000-0x0000000000232000-memory.dmp

            Filesize

            8KB

          • memory/2268-37-0x0000000000230000-0x0000000000232000-memory.dmp

            Filesize

            8KB

          • memory/2268-75-0x00000000002C0000-0x00000000002D2000-memory.dmp

            Filesize

            72KB

          • memory/2268-76-0x0000000000230000-0x0000000000232000-memory.dmp

            Filesize

            8KB

          • memory/2724-83-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2724-108-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2724-64-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2724-63-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2724-65-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2724-81-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2724-82-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2724-22-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2724-15-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2724-17-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2724-51-0x00000000040E0000-0x00000000040E2000-memory.dmp

            Filesize

            8KB

          • memory/2724-48-0x0000000004230000-0x0000000004231000-memory.dmp

            Filesize

            4KB

          • memory/2724-19-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2724-66-0x00000000040E0000-0x00000000040E2000-memory.dmp

            Filesize

            8KB

          • memory/2724-109-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2724-110-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2724-112-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2724-20-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2724-142-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2724-141-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2724-18-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2724-16-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2724-14-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2724-12-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2724-21-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2724-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB