Analysis

  • max time kernel
    170s
  • max time network
    175s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/10/2022, 02:20

General

  • Target

    e16a28f0876c0eab8e70ee7d7453c358396e577fbf83d12e05cd638289f56755.exe

  • Size

    1.1MB

  • MD5

    6a13bb213fda4f15b7e4cc48a83dd368

  • SHA1

    eea95805b5c0fef042c8fc59efe5aa30598db37d

  • SHA256

    e16a28f0876c0eab8e70ee7d7453c358396e577fbf83d12e05cd638289f56755

  • SHA512

    262d590269985b9f2f0cda5228c308e04ea10d2d5b8d6f7b448879b32c6fc4f3130187512c2986a736917e10c7f4f4b569cd9147c0490e5f5128c80b6bb2565a

  • SSDEEP

    24576:zAQ6Zx9cxTmOrucTIEFSpOGAM4DSs9FvzAIpgkTzbZU:zAQ/TD5EO3JgAf

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/

Signatures

  • Darkcomet

    DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Modifies firewall policy service 2 TTPs 3 IoCs
  • Modifies security service 2 TTPs 1 IoCs
  • Sality

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

  • Windows security bypass 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 1 IoCs

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

  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads local data of messenger clients 2 TTPs

    Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Checks processor information in registry 2 TTPs 8 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 48 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 53 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e16a28f0876c0eab8e70ee7d7453c358396e577fbf83d12e05cd638289f56755.exe
    "C:\Users\Admin\AppData\Local\Temp\e16a28f0876c0eab8e70ee7d7453c358396e577fbf83d12e05cd638289f56755.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Checks BIOS information in registry
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3872
    • C:\Windows\SysWOW64\notepad.exe
      notepad
      2⤵
      • Adds Run key to start application
      PID:712
    • C:\Users\Admin\AppData\Local\Temp\SVCHOST.EXE
      "C:\Users\Admin\AppData\Local\Temp\SVCHOST.EXE"
      2⤵
      • Executes dropped EXE
      PID:380
    • C:\Windows\SysWOW64\explorer.exe
      "C:\Windows\SysWOW64\explorer.exe"
      2⤵
      • Modifies firewall policy service
      • Modifies security service
      • Windows security bypass
      • Checks BIOS information in registry
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4320
      • C:\Windows\SysWOW64\notepad.exe
        C:\Windows\SysWOW64\notepad.exe
        3⤵
          PID:2908

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\SVCHOST.EXE

            Filesize

            412KB

            MD5

            e6e858b315cc3cad4f6772c3ce7799c9

            SHA1

            2e3ded63d9c8259b0df043892b7a8003d4dc00ee

            SHA256

            761c8164a97f4fe2370ca5579f65b6d352408ff21979bb1fb2a1f2aaede5b168

            SHA512

            00f75b0e169bafb2441b81bc92437f4382e063d8c7c47269786693dec7511f126baa61de365454c92e0b4a7a50a93914eaa4d0ea5ed744fa315096807918a4ae

          • C:\Users\Admin\AppData\Local\Temp\SVCHOST.EXE

            Filesize

            412KB

            MD5

            e6e858b315cc3cad4f6772c3ce7799c9

            SHA1

            2e3ded63d9c8259b0df043892b7a8003d4dc00ee

            SHA256

            761c8164a97f4fe2370ca5579f65b6d352408ff21979bb1fb2a1f2aaede5b168

            SHA512

            00f75b0e169bafb2441b81bc92437f4382e063d8c7c47269786693dec7511f126baa61de365454c92e0b4a7a50a93914eaa4d0ea5ed744fa315096807918a4ae

          • C:\Windupdt\winupdate.exe

            Filesize

            1.1MB

            MD5

            6a13bb213fda4f15b7e4cc48a83dd368

            SHA1

            eea95805b5c0fef042c8fc59efe5aa30598db37d

            SHA256

            e16a28f0876c0eab8e70ee7d7453c358396e577fbf83d12e05cd638289f56755

            SHA512

            262d590269985b9f2f0cda5228c308e04ea10d2d5b8d6f7b448879b32c6fc4f3130187512c2986a736917e10c7f4f4b569cd9147c0490e5f5128c80b6bb2565a

          • C:\Windupdt\winupdate.exe

            Filesize

            1.1MB

            MD5

            6a13bb213fda4f15b7e4cc48a83dd368

            SHA1

            eea95805b5c0fef042c8fc59efe5aa30598db37d

            SHA256

            e16a28f0876c0eab8e70ee7d7453c358396e577fbf83d12e05cd638289f56755

            SHA512

            262d590269985b9f2f0cda5228c308e04ea10d2d5b8d6f7b448879b32c6fc4f3130187512c2986a736917e10c7f4f4b569cd9147c0490e5f5128c80b6bb2565a

          • memory/380-138-0x00000000024E0000-0x000000000356E000-memory.dmp

            Filesize

            16.6MB

          • memory/380-139-0x0000000000400000-0x0000000000469000-memory.dmp

            Filesize

            420KB

          • memory/4320-141-0x0000000013140000-0x0000000013263000-memory.dmp

            Filesize

            1.1MB

          • memory/4320-142-0x0000000013140000-0x0000000013263000-memory.dmp

            Filesize

            1.1MB

          • memory/4320-143-0x0000000013140000-0x0000000013263000-memory.dmp

            Filesize

            1.1MB

          • memory/4320-145-0x0000000013140000-0x0000000013263000-memory.dmp

            Filesize

            1.1MB

          • memory/4320-146-0x0000000013140000-0x0000000013263000-memory.dmp

            Filesize

            1.1MB