Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    16-12-2024 08:33

General

  • Target

    a4fc55fac7a4c49f510259676bc7315a044f1abfe2f71dc735907453d45b0337N.dll

  • Size

    120KB

  • MD5

    942a8fbe08cc8521aa63a9b8940672f0

  • SHA1

    5d751de460693c524f602767b49925ffb15f364a

  • SHA256

    a4fc55fac7a4c49f510259676bc7315a044f1abfe2f71dc735907453d45b0337

  • SHA512

    330ad4545187c9180dd33c5f1c2379602e8d9a5ec999ed8e3e4a68cb7fd07c63602025be138be737508a17270988aae14d8aa289da6a0d398ccd0234dd9ea422

  • SSDEEP

    3072:xh2ID/nmpbltt7n9EPwO7ATy0Iu0moODDNR:Xt6pTenATT0m5

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 15 IoCs

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

  • UPX packed file 25 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:1124
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1176
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1224
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\a4fc55fac7a4c49f510259676bc7315a044f1abfe2f71dc735907453d45b0337N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2232
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\a4fc55fac7a4c49f510259676bc7315a044f1abfe2f71dc735907453d45b0337N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2064
              • C:\Users\Admin\AppData\Local\Temp\f76b700.exe
                C:\Users\Admin\AppData\Local\Temp\f76b700.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:2520
              • C:\Users\Admin\AppData\Local\Temp\f76b867.exe
                C:\Users\Admin\AppData\Local\Temp\f76b867.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:2796
              • C:\Users\Admin\AppData\Local\Temp\f76d29b.exe
                C:\Users\Admin\AppData\Local\Temp\f76d29b.exe
                4⤵
                • Executes dropped EXE
                PID:2720
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1264

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            4420065649a38685169dbf9412a1e334

            SHA1

            d61f996bad260e4057f9debb68e504e9e303b7ff

            SHA256

            a06981537604b709baa311fa977be35b3ad306cb9cd9053433420b60621a523c

            SHA512

            a0474ca3a7a74b0f61478cba387dd6879020bc2c19a12c84bf1a51e1a7c84327ac38e3c1aec513c492c1cb375553b96e811ae9149d857873d60d41bf88fd3551

          • \Users\Admin\AppData\Local\Temp\f76b700.exe

            Filesize

            97KB

            MD5

            a0e195371ed96a048bd4cbf162efa486

            SHA1

            6b9556d5075eb87d15bf943e5b27507643b4c46f

            SHA256

            fa28177a545e08179c6a48f6bc7ae2bb4a781a4a3411277b434fd593e9c9e0b4

            SHA512

            f4e00bbaa394ea2fe6a5ed1b705a8059e82e412ff376dee49dc25a073c47bf6a62e3bf3e96a44cb141bda6cae26f064453aed623094c2d4db44be78ba7bd058b

          • memory/1124-27-0x00000000001D0000-0x00000000001D2000-memory.dmp

            Filesize

            8KB

          • memory/2064-82-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2064-78-0x0000000000840000-0x0000000000852000-memory.dmp

            Filesize

            72KB

          • memory/2064-81-0x0000000000840000-0x0000000000852000-memory.dmp

            Filesize

            72KB

          • memory/2064-45-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2064-84-0x0000000000140000-0x0000000000142000-memory.dmp

            Filesize

            8KB

          • memory/2064-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2064-57-0x0000000000820000-0x0000000000832000-memory.dmp

            Filesize

            72KB

          • memory/2064-58-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2064-8-0x0000000000140000-0x0000000000152000-memory.dmp

            Filesize

            72KB

          • memory/2064-35-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2064-36-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2520-65-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2520-15-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2520-49-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2520-46-0x0000000001720000-0x0000000001721000-memory.dmp

            Filesize

            4KB

          • memory/2520-19-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2520-17-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2520-13-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2520-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2520-20-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2520-21-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2520-61-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2520-62-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2520-63-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2520-64-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2520-11-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2520-67-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2520-68-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2520-153-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2520-18-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2520-16-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2520-14-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2520-48-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2520-77-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2520-86-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2520-89-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2520-90-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2520-152-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2520-110-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2520-103-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2720-131-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2720-108-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2720-107-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/2720-109-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2720-196-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2720-85-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2796-102-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/2796-99-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2796-128-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2796-60-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2796-178-0x00000000009C0000-0x0000000001A7A000-memory.dmp

            Filesize

            16.7MB

          • memory/2796-192-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2796-191-0x00000000009C0000-0x0000000001A7A000-memory.dmp

            Filesize

            16.7MB

          • memory/2796-98-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB