Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    19-08-2024 01:57

General

  • Target

    33495db35651ec1d5cec2c5d48e2a2b0N.dll

  • Size

    120KB

  • MD5

    33495db35651ec1d5cec2c5d48e2a2b0

  • SHA1

    033599ddff772bd641df051e2d830cb75d72a4a1

  • SHA256

    a611bdddf5c6dfa10ad2fe1b0dcafdf5d920a0a1a839fc87b190f247f981a870

  • SHA512

    10c989bb6945ff230b4f00b2e03bfff9982b6b9160ee448e1c3c0e526f966a5995451665c9eff9f094e8999f77219368285192fbf47b157bebb103abb21574c6

  • SSDEEP

    3072:nyIVKd/ZVyw158r4N0XOricIKKMjAHQWCG:nyIVY/ZEwnI4N0XlcIKJj5

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.

  • UAC bypass 3 TTPs 2 IoCs
  • Windows security bypass 2 TTPs 12 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • UPX packed file 24 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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.

  • 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:1112
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1176
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1248
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\33495db35651ec1d5cec2c5d48e2a2b0N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2156
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\33495db35651ec1d5cec2c5d48e2a2b0N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1972
              • C:\Users\Admin\AppData\Local\Temp\f76c294.exe
                C:\Users\Admin\AppData\Local\Temp\f76c294.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:2684
              • C:\Users\Admin\AppData\Local\Temp\f76c41a.exe
                C:\Users\Admin\AppData\Local\Temp\f76c41a.exe
                4⤵
                • Executes dropped EXE
                PID:2768
              • C:\Users\Admin\AppData\Local\Temp\f76de5e.exe
                C:\Users\Admin\AppData\Local\Temp\f76de5e.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:2728
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1628

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            606d714eb324fc73eab7dcd9faf0bd9e

            SHA1

            fd4ecc011bbac3c58f25c8f70bb98adc4fe8a6a5

            SHA256

            4235739ef36c92febc95f60ae203e707f700045ff222d6292b020c018d5136b9

            SHA512

            8d29a20efc81409099d9ee79aecdf0ad967a1ab628086b65b5855711060b26ed216cb0b1572c122aa69fae280ca09d147b4472697f58b3ce2d806d9d126eb8f7

          • \Users\Admin\AppData\Local\Temp\f76c294.exe

            Filesize

            97KB

            MD5

            80fade278727e05f6fb5192a1f05938b

            SHA1

            06b6fed1c2ec1f60d1c2021ac54c0cfae7e251e7

            SHA256

            8dc0b5ecc08b639920e012ba1d415fe76b708b65fa4d1390d89d97ca694acfcb

            SHA512

            c76d7973d9978ca38d5787f9789b32dae491e52a93b9a9c3c3d953dd800d5397d5bc619288e0301a1c61931b9dffbe510b965b3d33c551a202e7ac4aa4692fe1

          • memory/1112-28-0x0000000000490000-0x0000000000492000-memory.dmp

            Filesize

            8KB

          • memory/1972-78-0x00000000002C0000-0x00000000002D2000-memory.dmp

            Filesize

            72KB

          • memory/1972-9-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1972-77-0x00000000002C0000-0x00000000002D2000-memory.dmp

            Filesize

            72KB

          • memory/1972-43-0x0000000000180000-0x0000000000181000-memory.dmp

            Filesize

            4KB

          • memory/1972-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1972-56-0x0000000000190000-0x00000000001A2000-memory.dmp

            Filesize

            72KB

          • memory/1972-57-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/1972-54-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/1972-3-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1972-34-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/1972-35-0x0000000000180000-0x0000000000181000-memory.dmp

            Filesize

            4KB

          • memory/2684-60-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2684-14-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2684-47-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2684-44-0x0000000000520000-0x0000000000521000-memory.dmp

            Filesize

            4KB

          • memory/2684-19-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2684-17-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2684-13-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2684-22-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2684-15-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2684-21-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2684-18-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2684-59-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2684-16-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2684-61-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2684-63-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2684-62-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2684-65-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2684-66-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2684-80-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2684-46-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2684-20-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2684-81-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2684-84-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2684-83-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2684-155-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2684-156-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2684-107-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-104-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2728-105-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2728-106-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2728-168-0x0000000000900000-0x00000000019BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-213-0x0000000000900000-0x00000000019BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-212-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2768-98-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2768-97-0x00000000002C0000-0x00000000002C1000-memory.dmp

            Filesize

            4KB

          • memory/2768-96-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2768-130-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2768-58-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2768-185-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB