Analysis

  • max time kernel
    141s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-08-2023 22:53

General

  • Target

    21b5f1538730a9c35c240113310af6ffaf96c19aab9c1da391c40df8e3b75554.exe

  • Size

    19KB

  • MD5

    e294976a9609bae82c28379ec4da1e00

  • SHA1

    8c9f46489812bd57cc4626b69e0f64a6e1fb8b1c

  • SHA256

    21b5f1538730a9c35c240113310af6ffaf96c19aab9c1da391c40df8e3b75554

  • SHA512

    bc2bd38ba0c6415b1f286d61087253cf62fca4af3af2fdb0580716591b7aa9eebd69e2a5c2e09e623ed35d4c01788e078d4301c62e7a82c76afe0c77ba48dc71

  • SSDEEP

    192:LV7qaCF6Op1t2dobVXujRDcBaXWQjwOT/2FR7VWF8qa1Dojjgi:lqaCF31cix+Dc4zjK7YFF46gi

Malware Config

Extracted

Family

cobaltstrike

C2

http://111.229.211.161:59999/fH9v

Attributes
  • user_agent

    User-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; .NET CLR 2.0.50727; InfoPath.2)

Signatures

  • Cobaltstrike

    Detected malicious payload which is part of Cobaltstrike.

  • Program crash 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\21b5f1538730a9c35c240113310af6ffaf96c19aab9c1da391c40df8e3b75554.exe
    "C:\Users\Admin\AppData\Local\Temp\21b5f1538730a9c35c240113310af6ffaf96c19aab9c1da391c40df8e3b75554.exe"
    1⤵
      PID:2360
      • C:\Windows\system32\WerFault.exe
        C:\Windows\system32\WerFault.exe -u -p 2360 -s 1132
        2⤵
        • Program crash
        PID:852
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -pss -s 440 -p 2360 -ip 2360
      1⤵
        PID:5068

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/2360-133-0x0000000000020000-0x0000000000021000-memory.dmp

        Filesize

        4KB

      • memory/2360-134-0x0000000000400000-0x000000000040C000-memory.dmp

        Filesize

        48KB