Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/09/2023, 12:34

General

  • Target

    2023-08-26_3387813562a3ecb15c9695d7d63838ea_cobalt-strike_cobaltstrike_JC.dll

  • Size

    208KB

  • MD5

    3387813562a3ecb15c9695d7d63838ea

  • SHA1

    41f8179b785fb78e0900efeefdbae9aaa97d4e58

  • SHA256

    69a11a096a22fd51630e3f3a93b5a1fbb9c9f86ec8a968ea31457ddecf843f10

  • SHA512

    224378fc62c9b585de9355a23864de3bb8a1beb84ad6648bb05acf98890987dd089e237b801d51793aa798b13c4124157f1b4d41bb8109e3fa3ba54c470c883f

  • SSDEEP

    3072:z+FcIvEbJvYdGVWwk4Kj6olpR2B5f4dS/L4jjZUKGf5zw6E:AHEbJAZwBqplpAX/LmjbubE

Score
3/10

Malware Config

Signatures

  • Program crash 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\2023-08-26_3387813562a3ecb15c9695d7d63838ea_cobalt-strike_cobaltstrike_JC.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3748
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\2023-08-26_3387813562a3ecb15c9695d7d63838ea_cobalt-strike_cobaltstrike_JC.dll,#1
      2⤵
        PID:4344
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4344 -s 680
          3⤵
          • Program crash
          PID:3528
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4344 -ip 4344
      1⤵
        PID:3800
      • C:\Windows\system32\rundll32.exe
        "C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe
        1⤵
          PID:3396
        • C:\Windows\System32\svchost.exe
          C:\Windows\System32\svchost.exe -k UnistackSvcGroup
          1⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:4192

        Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/4192-0-0x00000152F5540000-0x00000152F5550000-memory.dmp

          Filesize

          64KB

        • memory/4192-16-0x00000152F5640000-0x00000152F5650000-memory.dmp

          Filesize

          64KB

        • memory/4192-32-0x00000152FD940000-0x00000152FD941000-memory.dmp

          Filesize

          4KB

        • memory/4192-34-0x00000152FD970000-0x00000152FD971000-memory.dmp

          Filesize

          4KB

        • memory/4192-35-0x00000152FD970000-0x00000152FD971000-memory.dmp

          Filesize

          4KB

        • memory/4192-36-0x00000152FDA80000-0x00000152FDA81000-memory.dmp

          Filesize

          4KB