Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    02-02-2025 00:51

General

  • Target

    4a686c87245a9fca40d75cb2ed37246405b92b26fb18fc23eee07a7b146cef1d.exe

  • Size

    65KB

  • MD5

    931dc8b64b8665b5b1900345ad571ad2

  • SHA1

    83ddb84a00e301fec4f5a0c9d6fadd4a7e5e9b1e

  • SHA256

    4a686c87245a9fca40d75cb2ed37246405b92b26fb18fc23eee07a7b146cef1d

  • SHA512

    e2d46d5d70175cc194d9b711e7c677f915bf8e28588438a3e0246ece3e4094de8ab451b9e68b32fdcfb85b17421fb508197c3db27bb5d95523a9646395ca2358

  • SSDEEP

    1536:3k5Ifscf3dH0FGp4MB4RDhJxy0ogyRW3HerVU6OJPZPHaP:3FhdHEEAFRogu4mO6OJPZPHy

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
  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 11 IoCs

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

  • UPX packed file 27 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 1 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 24 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1052
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1128
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1172
          • C:\Users\Admin\AppData\Local\Temp\4a686c87245a9fca40d75cb2ed37246405b92b26fb18fc23eee07a7b146cef1d.exe
            "C:\Users\Admin\AppData\Local\Temp\4a686c87245a9fca40d75cb2ed37246405b92b26fb18fc23eee07a7b146cef1d.exe"
            2⤵
            • Modifies firewall policy service
            • UAC bypass
            • Windows security bypass
            • 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:3016
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:2024

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/1052-13-0x0000000000410000-0x0000000000412000-memory.dmp

            Filesize

            8KB

          • memory/3016-33-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3016-4-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3016-32-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3016-0-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3016-8-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3016-11-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3016-10-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3016-31-0x0000000003CB0000-0x0000000003CB2000-memory.dmp

            Filesize

            8KB

          • memory/3016-30-0x0000000003CB0000-0x0000000003CB2000-memory.dmp

            Filesize

            8KB

          • memory/3016-24-0x0000000003D00000-0x0000000003D01000-memory.dmp

            Filesize

            4KB

          • memory/3016-9-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3016-12-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3016-6-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3016-21-0x0000000003D00000-0x0000000003D01000-memory.dmp

            Filesize

            4KB

          • memory/3016-20-0x0000000003CB0000-0x0000000003CB2000-memory.dmp

            Filesize

            8KB

          • memory/3016-7-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3016-5-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3016-34-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3016-3-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3016-35-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3016-36-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3016-38-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3016-39-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3016-45-0x0000000003CB0000-0x0000000003CB2000-memory.dmp

            Filesize

            8KB

          • memory/3016-46-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3016-48-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3016-50-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3016-52-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3016-54-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3016-56-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3016-58-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3016-62-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3016-66-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3016-76-0x0000000003CB0000-0x0000000003CB2000-memory.dmp

            Filesize

            8KB

          • memory/3016-87-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3016-86-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB