Analysis

  • max time kernel
    69s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    17-12-2024 00:31

General

  • Target

    be133bd6be4eeaa7e77cff1037f0585213012c42b63144c6536105c655cbcabc.dll

  • Size

    120KB

  • MD5

    6abdbfb1fe798e06ff71844ce517cc85

  • SHA1

    188d762426798dbe512f96802f5f5319e3ea7da7

  • SHA256

    be133bd6be4eeaa7e77cff1037f0585213012c42b63144c6536105c655cbcabc

  • SHA512

    69da672b5fd9c5de07a824986e4c00fe4f4de9b33dcaaba5cc07dff637fa6afe3717d71949ffbe3c01848a197c7bb482fab7f88b2811b0f25fbf51b1b54aec3f

  • SSDEEP

    3072:wm2CmkmaM/dxgc7GAujHMSe/w1NdW0lG1:wmAtv/doFj81

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 24 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:1108
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1168
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1200
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\be133bd6be4eeaa7e77cff1037f0585213012c42b63144c6536105c655cbcabc.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2420
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\be133bd6be4eeaa7e77cff1037f0585213012c42b63144c6536105c655cbcabc.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2272
              • C:\Users\Admin\AppData\Local\Temp\f76ef00.exe
                C:\Users\Admin\AppData\Local\Temp\f76ef00.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:2704
              • C:\Users\Admin\AppData\Local\Temp\f76f0b5.exe
                C:\Users\Admin\AppData\Local\Temp\f76f0b5.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:2108
              • C:\Users\Admin\AppData\Local\Temp\f770ba4.exe
                C:\Users\Admin\AppData\Local\Temp\f770ba4.exe
                4⤵
                • Executes dropped EXE
                PID:2372
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1864

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            f99c2e924600b627897e3909b070ee13

            SHA1

            57cf39d7e48c2a4980b97f72d7e401360014fde2

            SHA256

            2c496c0c4fe4e7c9c89921552b07f48c67b635c12a30670ab7d5facff2b33f75

            SHA512

            fdad076602d5da2e1a9947f7b8cae4e4404f44a6f34f2b59bd418ebd60d4778f8d0830bb622a3bc8117a7ab72993ca85cb2ad3eb3e60143728e5894486885b05

          • \Users\Admin\AppData\Local\Temp\f76ef00.exe

            Filesize

            97KB

            MD5

            388ae2fa5dc9c1f0d02053390fae9f99

            SHA1

            3c4c03665862d72e07bec915517d10eb41740f16

            SHA256

            96de1ffec89fb308b976d16563adb8875ba602515178a15ec53e7db1f61b7fbf

            SHA512

            22b179f5ba0559f25d4b34976f61feebf5615d6c43ca6559c42c93d5d2693747c0408e5113ae7797a831d495842cb0655834aa7f5a81626c269c8c508d0332b6

          • memory/1108-31-0x0000000000250000-0x0000000000252000-memory.dmp

            Filesize

            8KB

          • memory/2108-99-0x0000000000240000-0x0000000000241000-memory.dmp

            Filesize

            4KB

          • memory/2108-135-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2108-109-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2108-195-0x0000000000900000-0x00000000019BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2108-107-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2108-196-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2108-182-0x0000000000900000-0x00000000019BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2108-64-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2272-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2272-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2272-13-0x0000000000130000-0x0000000000142000-memory.dmp

            Filesize

            72KB

          • memory/2272-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2272-7-0x0000000000130000-0x0000000000142000-memory.dmp

            Filesize

            72KB

          • memory/2272-82-0x0000000000130000-0x0000000000132000-memory.dmp

            Filesize

            8KB

          • memory/2272-57-0x0000000000160000-0x0000000000162000-memory.dmp

            Filesize

            8KB

          • memory/2272-62-0x0000000000190000-0x00000000001A2000-memory.dmp

            Filesize

            72KB

          • memory/2272-63-0x0000000000160000-0x0000000000162000-memory.dmp

            Filesize

            8KB

          • memory/2272-47-0x0000000000170000-0x0000000000171000-memory.dmp

            Filesize

            4KB

          • memory/2272-39-0x0000000000170000-0x0000000000171000-memory.dmp

            Filesize

            4KB

          • memory/2272-38-0x0000000000160000-0x0000000000162000-memory.dmp

            Filesize

            8KB

          • memory/2272-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2372-108-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2372-83-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2372-200-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2372-105-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2372-106-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2704-66-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2704-17-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2704-65-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2704-59-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2704-68-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2704-69-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2704-70-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2704-61-0x0000000000280000-0x0000000000282000-memory.dmp

            Filesize

            8KB

          • memory/2704-50-0x0000000000280000-0x0000000000282000-memory.dmp

            Filesize

            8KB

          • memory/2704-84-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2704-85-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2704-88-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2704-89-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2704-60-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2704-18-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2704-22-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2704-25-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2704-48-0x00000000016A0000-0x00000000016A1000-memory.dmp

            Filesize

            4KB

          • memory/2704-24-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2704-23-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2704-158-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2704-159-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2704-21-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2704-19-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2704-15-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2704-14-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2704-20-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB