Analysis

  • max time kernel
    127s
  • max time network
    132s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/07/2023, 17:26

General

  • Target

    caacda7f886381_JC.exe

  • Size

    239KB

  • MD5

    caacda7f8863812c07b6b625c895fe03

  • SHA1

    ee1751cafebfa8a686402ea971f698322e157f43

  • SHA256

    46a37b8c450f2546e328cf5bfd8c3e0a5cb1db6292e8ae2fbeb16f6b681b29a2

  • SHA512

    c885cf01338606fc3097a5d4f8892e83423d96a0bf74657965f239ff1b47511ee5b2cdfaf925525d160932ab6c8820c5e8575f6643e4760a86d7ec529f286783

  • SSDEEP

    3072:lxUm75Fku3eKeO213SJReOqdmErj+HyHnNVIPL/+ybbiW1u46Q7qV3lU8xM:fU8Dk11CJ1qDWUNVIT/bblS9x

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Program crash 2 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\caacda7f886381_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\caacda7f886381_JC.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2548
    • C:\Program Files\Wesley\Brockschmidt.exe
      "C:\Program Files\Wesley\Brockschmidt.exe" "33201"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:3764
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2548 -s 1020
      2⤵
      • Program crash
      PID:2028
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2548 -s 1092
      2⤵
      • Program crash
      PID:1224
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2548 -ip 2548
    1⤵
      PID:5008
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 2548 -ip 2548
      1⤵
        PID:4248

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

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      Downloads

      • C:\Program Files\Wesley\Brockschmidt.exe

        Filesize

        239KB

        MD5

        ab8b361e7910e963d9e9add128f736a5

        SHA1

        c589c6921eaded68d7dd32a863a92c357c6b5c0c

        SHA256

        779656e47f6259423ea71930b17da3ceb890bf10008a2bcc5ade6f7532545cef

        SHA512

        0ee19cd69da42bf84cc80be626e9a1fae0fc1f9e1a49f37af3e444546aacf02a4b9980d8fa705339685e21153a61459a126ae8221eb794c1f85046a97a89d79d

      • C:\Program Files\Wesley\Brockschmidt.exe

        Filesize

        239KB

        MD5

        ab8b361e7910e963d9e9add128f736a5

        SHA1

        c589c6921eaded68d7dd32a863a92c357c6b5c0c

        SHA256

        779656e47f6259423ea71930b17da3ceb890bf10008a2bcc5ade6f7532545cef

        SHA512

        0ee19cd69da42bf84cc80be626e9a1fae0fc1f9e1a49f37af3e444546aacf02a4b9980d8fa705339685e21153a61459a126ae8221eb794c1f85046a97a89d79d