Analysis

  • max time kernel
    31s
  • max time network
    34s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    19-12-2024 20:54

General

  • Target

    4be438b2007262fba5d5c69ba3dc9d31d8a08c4f36444e9d7b64273cd45daa3fN.dll

  • Size

    120KB

  • MD5

    3b392179cb5377bcbbcff7a1c15852d0

  • SHA1

    c8fbb3818ecc26c24a72a3163ccb106cdf97c09d

  • SHA256

    4be438b2007262fba5d5c69ba3dc9d31d8a08c4f36444e9d7b64273cd45daa3f

  • SHA512

    f53b092518d2cf6caf26443eab5fe8d2ca555eb9c6b259947cc18fe92b1509b43796aa35ab4cc8217a64c391a3f36d204d33ba2cf5a971df034f47b4772d1efa

  • SSDEEP

    3072:xjqM1EBflPZlfG63pVgwzBFNc3TRP15Da9d0:UMSXPZg6ZewFNc3TR9M

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 3 IoCs
  • Sality

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

  • Sality family
  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 6 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 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 21 IoCs
  • Suspicious use of WriteProcessMemory 31 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1088
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1160
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1192
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\4be438b2007262fba5d5c69ba3dc9d31d8a08c4f36444e9d7b64273cd45daa3fN.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2600
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\4be438b2007262fba5d5c69ba3dc9d31d8a08c4f36444e9d7b64273cd45daa3fN.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2344
              • C:\Users\Admin\AppData\Local\Temp\f787169.exe
                C:\Users\Admin\AppData\Local\Temp\f787169.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:2160
              • C:\Users\Admin\AppData\Local\Temp\f78753f.exe
                C:\Users\Admin\AppData\Local\Temp\f78753f.exe
                4⤵
                • Executes dropped EXE
                PID:2848
              • C:\Users\Admin\AppData\Local\Temp\f788b4f.exe
                C:\Users\Admin\AppData\Local\Temp\f788b4f.exe
                4⤵
                • Executes dropped EXE
                PID:1168
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1440

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • \Users\Admin\AppData\Local\Temp\f787169.exe

            Filesize

            97KB

            MD5

            0bf0d5e711d637c47dd8b8f513e3f1f1

            SHA1

            bd39d7f230f04e82f08e200aa71b1a6d71006a38

            SHA256

            97578c0b9cc12c84622301cd14a9e5fbfad0a2ca9c67e112222a4887f84d1c7b

            SHA512

            14d7340b85ec8790c373d15d84803cc8db8427be18565715de3c6d4900f17e39370f8a5282bd260330012bb3ac28bb788fcf22725550b60d69c192c378049983

          • memory/1088-29-0x0000000001B40000-0x0000000001B42000-memory.dmp

            Filesize

            8KB

          • memory/1168-115-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2160-15-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-49-0x0000000000450000-0x0000000000451000-memory.dmp

            Filesize

            4KB

          • memory/2160-14-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-133-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-16-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-23-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-21-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-19-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-132-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2160-18-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-126-0x0000000000440000-0x0000000000442000-memory.dmp

            Filesize

            8KB

          • memory/2160-11-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2160-92-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-52-0x0000000000440000-0x0000000000442000-memory.dmp

            Filesize

            8KB

          • memory/2160-51-0x0000000000440000-0x0000000000442000-memory.dmp

            Filesize

            8KB

          • memory/2160-80-0x0000000000440000-0x0000000000442000-memory.dmp

            Filesize

            8KB

          • memory/2160-90-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-88-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-86-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-85-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-22-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-12-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-20-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-17-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-64-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-65-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-66-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-67-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-68-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-70-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2344-38-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2344-48-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/2344-83-0x00000000000B0000-0x00000000000B6000-memory.dmp

            Filesize

            24KB

          • memory/2344-79-0x0000000000240000-0x0000000000252000-memory.dmp

            Filesize

            72KB

          • memory/2344-8-0x00000000000B0000-0x00000000000C2000-memory.dmp

            Filesize

            72KB

          • memory/2344-60-0x00000000001D0000-0x00000000001E2000-memory.dmp

            Filesize

            72KB

          • memory/2344-39-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/2344-81-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2344-59-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2344-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2344-9-0x00000000000B0000-0x00000000000C2000-memory.dmp

            Filesize

            72KB

          • memory/2344-61-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2848-114-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2848-63-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB