Analysis

  • max time kernel
    1s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    30/12/2023, 21:18

General

  • Target

    1cbe74a3e65295b0275a71185255b044.exe

  • Size

    125KB

  • MD5

    1cbe74a3e65295b0275a71185255b044

  • SHA1

    84add6eed96d457fda9b312da7544907cfb7cd6a

  • SHA256

    325c00179fd77b03313feb95eff0edb5368ded2dee5166b6f4c8491ec9ddb5b7

  • SHA512

    b588100a52c3e73186feca416532564b400c46ad31e8818ba38ba59fe94fbcf1857d6bb653ec7a101fbf3b8e9d919b4f75eb1c906eb20ff002cf37f74c23f2f1

  • SSDEEP

    1536:989sh+HK3HeB3SQLJ3cZZlUBPnMPJ6OcWxnQHWmlDsmqB0zyyOUSJdTAjsJf3/5P:S9A3GGZlS/MU5WZQHxamCUSo4Jf3ck

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

http://www.klkjwre9fqwieluoi.info/

http://kukutrustnet777888.info/

http://klkjwre77638dfqwieuoi888.info/

Signatures

  • Modifies firewall policy service 2 TTPs 3 IoCs
  • Sality

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

  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • UPX packed file 10 IoCs

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

  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 20 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\DllHost.exe
    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
    1⤵
      PID:380
    • C:\Windows\system32\taskhost.exe
      "taskhost.exe"
      1⤵
        PID:1104
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1096
          • C:\Users\Admin\AppData\Local\Temp\1cbe74a3e65295b0275a71185255b044.exe
            "C:\Users\Admin\AppData\Local\Temp\1cbe74a3e65295b0275a71185255b044.exe"
            2⤵
            • Modifies firewall policy service
            • UAC bypass
            • Windows security bypass
            • Disables RegEdit via registry modification
            • 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:2144
            • C:\Windows\SysWOW64\schtasks.exe
              C:\Windows\system32\schtasks.exe /create /tn "JavaUpdateAdmin" /tr C:\Users\Admin\AppData\Local\Temp\jusched.exe /sc daily
              3⤵
              • Creates scheduled task(s)
              PID:2512
            • C:\Windows\SysWOW64\schtasks.exe
              C:\Windows\system32\schtasks.exe /run /tn "JavaUpdateAdmin"
              3⤵
                PID:2832
          • C:\Windows\system32\Dwm.exe
            "C:\Windows\system32\Dwm.exe"
            1⤵
              PID:1052
            • C:\Windows\system32\taskeng.exe
              taskeng.exe {327C3F1A-82E9-4AD4-86D4-B40A6EE4836C} S-1-5-21-3601492379-692465709-652514833-1000:CALKHSYM\Admin:Interactive:[1]
              1⤵
                PID:2400

              Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              • memory/1052-5-0x0000000001DA0000-0x0000000001DA2000-memory.dmp

                Filesize

                8KB

              • memory/2144-19-0x00000000003E0000-0x00000000003E2000-memory.dmp

                Filesize

                8KB

              • memory/2144-0-0x0000000000400000-0x000000000041F000-memory.dmp

                Filesize

                124KB

              • memory/2144-3-0x0000000001E40000-0x0000000002ECE000-memory.dmp

                Filesize

                16.6MB

              • memory/2144-4-0x0000000001E40000-0x0000000002ECE000-memory.dmp

                Filesize

                16.6MB

              • memory/2144-6-0x0000000001E40000-0x0000000002ECE000-memory.dmp

                Filesize

                16.6MB

              • memory/2144-9-0x0000000001E40000-0x0000000002ECE000-memory.dmp

                Filesize

                16.6MB

              • memory/2144-12-0x0000000001E40000-0x0000000002ECE000-memory.dmp

                Filesize

                16.6MB

              • memory/2144-16-0x00000000003E0000-0x00000000003E2000-memory.dmp

                Filesize

                8KB

              • memory/2144-1-0x0000000001E40000-0x0000000002ECE000-memory.dmp

                Filesize

                16.6MB

              • memory/2144-17-0x00000000004A0000-0x00000000004A1000-memory.dmp

                Filesize

                4KB

              • memory/2144-23-0x0000000001E40000-0x0000000002ECE000-memory.dmp

                Filesize

                16.6MB

              • memory/2144-20-0x0000000001E40000-0x0000000002ECE000-memory.dmp

                Filesize

                16.6MB

              • memory/2144-22-0x00000000004A0000-0x00000000004A1000-memory.dmp

                Filesize

                4KB

              • memory/2144-26-0x0000000001E40000-0x0000000002ECE000-memory.dmp

                Filesize

                16.6MB

              • memory/2144-50-0x0000000000400000-0x000000000041F000-memory.dmp

                Filesize

                124KB

              • memory/2144-42-0x00000000003E0000-0x00000000003E2000-memory.dmp

                Filesize

                8KB

              • memory/2144-37-0x0000000001E40000-0x0000000002ECE000-memory.dmp

                Filesize

                16.6MB

              • memory/2512-31-0x00000000001F0000-0x00000000001F2000-memory.dmp

                Filesize

                8KB

              • memory/2512-32-0x0000000000200000-0x0000000000201000-memory.dmp

                Filesize

                4KB

              • memory/2512-34-0x00000000001F0000-0x00000000001F2000-memory.dmp

                Filesize

                8KB