Analysis

  • max time kernel
    150s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    22-12-2023 14:31

General

  • Target

    c4837de1fffe727eaa5ed1352e01d779.exe

  • Size

    1.7MB

  • MD5

    c4837de1fffe727eaa5ed1352e01d779

  • SHA1

    746b8e0d1b4a75c604bf11d203f8bd079aa8a2ac

  • SHA256

    4cfe2c9449a4bea34b9cb7263ab3b38686f461a7f67fec7c58df3e23fa4eb73b

  • SHA512

    645ef4c8f96be1cd677f1f5ea617ca53274634d7b4998211fa2f2ad3d0e70a2bda51865037b45848675fed5037647579b1d8cd0fc3fcb975dd352749cf34300b

  • SSDEEP

    24576:ekEkeke8OTkEkeke8ObXQkEkeke8OTkEkeke8ObX/:eLPklOTLPklObXQLPklOTLPklObX/

Malware Config

Signatures

  • 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 1 IoCs
  • Drops autorun.inf file 1 TTPs 1 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in System32 directory 64 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 64 IoCs
  • NTFS ADS 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c4837de1fffe727eaa5ed1352e01d779.exe
    "C:\Users\Admin\AppData\Local\Temp\c4837de1fffe727eaa5ed1352e01d779.exe"
    1⤵
    • Adds Run key to start application
    • Drops autorun.inf file
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • NTFS ADS
    • Suspicious use of SetWindowsHookEx
    PID:2596

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\905c0769f9a06c95a24ddf945\patcher.exe$

    Filesize

    1.7MB

    MD5

    c4837de1fffe727eaa5ed1352e01d779

    SHA1

    746b8e0d1b4a75c604bf11d203f8bd079aa8a2ac

    SHA256

    4cfe2c9449a4bea34b9cb7263ab3b38686f461a7f67fec7c58df3e23fa4eb73b

    SHA512

    645ef4c8f96be1cd677f1f5ea617ca53274634d7b4998211fa2f2ad3d0e70a2bda51865037b45848675fed5037647579b1d8cd0fc3fcb975dd352749cf34300b

  • memory/2596-1-0x0000000000220000-0x0000000000223000-memory.dmp

    Filesize

    12KB

  • memory/2596-0-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/2596-630-0x0000000000220000-0x0000000000223000-memory.dmp

    Filesize

    12KB