Analysis

  • max time kernel
    117s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    13/10/2023, 20:44

General

  • Target

    NEAS.d6fd4078d43d3eb5d053b23f4d7ccb80.dll

  • Size

    120KB

  • MD5

    d6fd4078d43d3eb5d053b23f4d7ccb80

  • SHA1

    d4c646877a0676dd984c95de1cf458f49df9d529

  • SHA256

    a59c351ae5b18c8cc050c39941ad64bb1d1c8a7a9278acb9b7a13bd9e717e427

  • SHA512

    19079c3f2a63ff032ed858bff1a084348765b58900ca81e52543c349ae2386bb638f3d8e68f64aa12fe0adc20f3b019ff7d3f1d1fdc7427c21ae535520aa57d2

  • SSDEEP

    1536:dlBuDD9X4d8OS3ZEFmHxkGY7NXY8bRlM0pQloDXEGKh9LfIM7yoRmTZ99PFxU1:X29evF8nuRy0UaEGKh9LfIM7R29HW

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 2 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 7 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Windows directory 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 41 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\Dwm.exe
    "C:\Windows\system32\Dwm.exe"
    1⤵
      PID:1228
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
        PID:1280
        • C:\Windows\system32\rundll32.exe
          rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.d6fd4078d43d3eb5d053b23f4d7ccb80.dll,#1
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:1396
          • C:\Windows\SysWOW64\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.d6fd4078d43d3eb5d053b23f4d7ccb80.dll,#1
            3⤵
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:1948
            • C:\Users\Admin\AppData\Local\Temp\f76497e.exe
              C:\Users\Admin\AppData\Local\Temp\f76497e.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
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of WriteProcessMemory
              • System policy modification
              PID:2784
            • C:\Users\Admin\AppData\Local\Temp\f765310.exe
              C:\Users\Admin\AppData\Local\Temp\f765310.exe
              4⤵
              • Executes dropped EXE
              PID:2476
            • C:\Users\Admin\AppData\Local\Temp\f766e8b.exe
              C:\Users\Admin\AppData\Local\Temp\f766e8b.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
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of WriteProcessMemory
              • System policy modification
              PID:2512
      • C:\Windows\system32\DllHost.exe
        C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
        1⤵
          PID:1660
        • C:\Windows\system32\taskhost.exe
          "taskhost.exe"
          1⤵
            PID:1120

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

                • C:\Users\Admin\AppData\Local\Temp\f76497e.exe

                  Filesize

                  97KB

                  MD5

                  8691c8ca88cf8ce8db099b58cc8abfe4

                  SHA1

                  d008115a9cae330d22a9f407d4366b4b815cb3b4

                  SHA256

                  4ff20a09c9657fc4e3f03ca3f3ca059c182d8d27c65d03632cf9e55957ab2ba3

                  SHA512

                  e525968120895bd8bc01cf73562d14706e301980f6bd54719d6073e34ba76853b8232b81a69227ece1157465be48bcd0feb94343b9bf73a9a4573b625de307c1

                • C:\Users\Admin\AppData\Local\Temp\f76497e.exe

                  Filesize

                  97KB

                  MD5

                  8691c8ca88cf8ce8db099b58cc8abfe4

                  SHA1

                  d008115a9cae330d22a9f407d4366b4b815cb3b4

                  SHA256

                  4ff20a09c9657fc4e3f03ca3f3ca059c182d8d27c65d03632cf9e55957ab2ba3

                  SHA512

                  e525968120895bd8bc01cf73562d14706e301980f6bd54719d6073e34ba76853b8232b81a69227ece1157465be48bcd0feb94343b9bf73a9a4573b625de307c1

                • C:\Users\Admin\AppData\Local\Temp\f765310.exe

                  Filesize

                  97KB

                  MD5

                  8691c8ca88cf8ce8db099b58cc8abfe4

                  SHA1

                  d008115a9cae330d22a9f407d4366b4b815cb3b4

                  SHA256

                  4ff20a09c9657fc4e3f03ca3f3ca059c182d8d27c65d03632cf9e55957ab2ba3

                  SHA512

                  e525968120895bd8bc01cf73562d14706e301980f6bd54719d6073e34ba76853b8232b81a69227ece1157465be48bcd0feb94343b9bf73a9a4573b625de307c1

                • C:\Users\Admin\AppData\Local\Temp\f766e8b.exe

                  Filesize

                  97KB

                  MD5

                  8691c8ca88cf8ce8db099b58cc8abfe4

                  SHA1

                  d008115a9cae330d22a9f407d4366b4b815cb3b4

                  SHA256

                  4ff20a09c9657fc4e3f03ca3f3ca059c182d8d27c65d03632cf9e55957ab2ba3

                  SHA512

                  e525968120895bd8bc01cf73562d14706e301980f6bd54719d6073e34ba76853b8232b81a69227ece1157465be48bcd0feb94343b9bf73a9a4573b625de307c1

                • C:\Windows\SYSTEM.INI

                  Filesize

                  257B

                  MD5

                  3fc358e0c8e54101e58e09f18315aad3

                  SHA1

                  de3d8a982b5d47ee06149d18b8f5c0297bfc4c72

                  SHA256

                  16994cfe184775a6374428081040a74ac0c7462397221127f0444036c58a106c

                  SHA512

                  06b1d5ad28abb9d342176b193e4502ff7b2c26be418675be25700e458e6ad9e04a405565407bf69e6915542a26598557ddfe05b38bdfd36bee8f48bfa3fa06e9

                • \Users\Admin\AppData\Local\Temp\f76497e.exe

                  Filesize

                  97KB

                  MD5

                  8691c8ca88cf8ce8db099b58cc8abfe4

                  SHA1

                  d008115a9cae330d22a9f407d4366b4b815cb3b4

                  SHA256

                  4ff20a09c9657fc4e3f03ca3f3ca059c182d8d27c65d03632cf9e55957ab2ba3

                  SHA512

                  e525968120895bd8bc01cf73562d14706e301980f6bd54719d6073e34ba76853b8232b81a69227ece1157465be48bcd0feb94343b9bf73a9a4573b625de307c1

                • \Users\Admin\AppData\Local\Temp\f76497e.exe

                  Filesize

                  97KB

                  MD5

                  8691c8ca88cf8ce8db099b58cc8abfe4

                  SHA1

                  d008115a9cae330d22a9f407d4366b4b815cb3b4

                  SHA256

                  4ff20a09c9657fc4e3f03ca3f3ca059c182d8d27c65d03632cf9e55957ab2ba3

                  SHA512

                  e525968120895bd8bc01cf73562d14706e301980f6bd54719d6073e34ba76853b8232b81a69227ece1157465be48bcd0feb94343b9bf73a9a4573b625de307c1

                • \Users\Admin\AppData\Local\Temp\f765310.exe

                  Filesize

                  97KB

                  MD5

                  8691c8ca88cf8ce8db099b58cc8abfe4

                  SHA1

                  d008115a9cae330d22a9f407d4366b4b815cb3b4

                  SHA256

                  4ff20a09c9657fc4e3f03ca3f3ca059c182d8d27c65d03632cf9e55957ab2ba3

                  SHA512

                  e525968120895bd8bc01cf73562d14706e301980f6bd54719d6073e34ba76853b8232b81a69227ece1157465be48bcd0feb94343b9bf73a9a4573b625de307c1

                • \Users\Admin\AppData\Local\Temp\f765310.exe

                  Filesize

                  97KB

                  MD5

                  8691c8ca88cf8ce8db099b58cc8abfe4

                  SHA1

                  d008115a9cae330d22a9f407d4366b4b815cb3b4

                  SHA256

                  4ff20a09c9657fc4e3f03ca3f3ca059c182d8d27c65d03632cf9e55957ab2ba3

                  SHA512

                  e525968120895bd8bc01cf73562d14706e301980f6bd54719d6073e34ba76853b8232b81a69227ece1157465be48bcd0feb94343b9bf73a9a4573b625de307c1

                • \Users\Admin\AppData\Local\Temp\f766e8b.exe

                  Filesize

                  97KB

                  MD5

                  8691c8ca88cf8ce8db099b58cc8abfe4

                  SHA1

                  d008115a9cae330d22a9f407d4366b4b815cb3b4

                  SHA256

                  4ff20a09c9657fc4e3f03ca3f3ca059c182d8d27c65d03632cf9e55957ab2ba3

                  SHA512

                  e525968120895bd8bc01cf73562d14706e301980f6bd54719d6073e34ba76853b8232b81a69227ece1157465be48bcd0feb94343b9bf73a9a4573b625de307c1

                • \Users\Admin\AppData\Local\Temp\f766e8b.exe

                  Filesize

                  97KB

                  MD5

                  8691c8ca88cf8ce8db099b58cc8abfe4

                  SHA1

                  d008115a9cae330d22a9f407d4366b4b815cb3b4

                  SHA256

                  4ff20a09c9657fc4e3f03ca3f3ca059c182d8d27c65d03632cf9e55957ab2ba3

                  SHA512

                  e525968120895bd8bc01cf73562d14706e301980f6bd54719d6073e34ba76853b8232b81a69227ece1157465be48bcd0feb94343b9bf73a9a4573b625de307c1

                • memory/1120-17-0x00000000001A0000-0x00000000001A2000-memory.dmp

                  Filesize

                  8KB

                • memory/1948-30-0x00000000001A0000-0x00000000001A2000-memory.dmp

                  Filesize

                  8KB

                • memory/1948-5-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/1948-81-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/1948-76-0x00000000001A0000-0x00000000001A2000-memory.dmp

                  Filesize

                  8KB

                • memory/1948-0-0x0000000010000000-0x0000000010020000-memory.dmp

                  Filesize

                  128KB

                • memory/1948-31-0x00000000001C0000-0x00000000001C1000-memory.dmp

                  Filesize

                  4KB

                • memory/1948-2-0x0000000010000000-0x0000000010020000-memory.dmp

                  Filesize

                  128KB

                • memory/1948-37-0x00000000001A0000-0x00000000001A2000-memory.dmp

                  Filesize

                  8KB

                • memory/1948-40-0x00000000001C0000-0x00000000001C1000-memory.dmp

                  Filesize

                  4KB

                • memory/1948-10-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2476-53-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2476-100-0x0000000000220000-0x0000000000222000-memory.dmp

                  Filesize

                  8KB

                • memory/2476-102-0x0000000000230000-0x0000000000231000-memory.dmp

                  Filesize

                  4KB

                • memory/2476-134-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2512-136-0x0000000000260000-0x0000000000262000-memory.dmp

                  Filesize

                  8KB

                • memory/2512-171-0x0000000000960000-0x0000000001A1A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2512-170-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2512-108-0x0000000000260000-0x0000000000262000-memory.dmp

                  Filesize

                  8KB

                • memory/2512-139-0x0000000000960000-0x0000000001A1A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2512-111-0x00000000002B0000-0x00000000002B1000-memory.dmp

                  Filesize

                  4KB

                • memory/2512-80-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2784-55-0x0000000000670000-0x000000000172A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2784-66-0x0000000000670000-0x000000000172A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2784-64-0x0000000000670000-0x000000000172A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2784-63-0x0000000000670000-0x000000000172A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2784-62-0x0000000000670000-0x000000000172A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2784-61-0x00000000002E0000-0x00000000002E2000-memory.dmp

                  Filesize

                  8KB

                • memory/2784-59-0x0000000000670000-0x000000000172A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2784-58-0x00000000002F0000-0x00000000002F1000-memory.dmp

                  Filesize

                  4KB

                • memory/2784-79-0x0000000000670000-0x000000000172A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2784-82-0x0000000000670000-0x000000000172A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2784-84-0x00000000002E0000-0x00000000002E2000-memory.dmp

                  Filesize

                  8KB

                • memory/2784-85-0x0000000000670000-0x000000000172A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2784-92-0x0000000000670000-0x000000000172A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2784-95-0x0000000000670000-0x000000000172A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2784-50-0x0000000000670000-0x000000000172A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2784-39-0x0000000000670000-0x000000000172A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2784-97-0x0000000000670000-0x000000000172A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2784-29-0x0000000000670000-0x000000000172A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2784-24-0x0000000000670000-0x000000000172A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2784-133-0x0000000000670000-0x000000000172A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2784-21-0x0000000000670000-0x000000000172A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2784-18-0x0000000000670000-0x000000000172A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2784-16-0x0000000000670000-0x000000000172A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2784-15-0x0000000000670000-0x000000000172A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2784-13-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2784-12-0x0000000000670000-0x000000000172A000-memory.dmp

                  Filesize

                  16.7MB