Analysis

  • max time kernel
    150s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    05-03-2024 13:38

General

  • Target

    b4d49f90e09b4d7071006c41a95fb0b4.exe

  • Size

    2.4MB

  • MD5

    b4d49f90e09b4d7071006c41a95fb0b4

  • SHA1

    ac812d9c63c401ab3deb565f609ca7e6730cbf64

  • SHA256

    9c172683d4cde026c19d3b82657b353799796180e92ddcdf03406bb39c3966a2

  • SHA512

    76164d7a8a5140372db12318b04b385839d38591b80eea7b0202c3f1f40273fd75a724185895323c804eb6f88929aa573b6c9f2ae2a2dd9f10830eac5f59d571

  • SSDEEP

    49152:SH3H57DeODPOvljkv9ME8xmN3Aek03noj45wlDT:i7DeU9ReUJF3noxD

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\b4d49f90e09b4d7071006c41a95fb0b4.exe
    "C:\Users\Admin\AppData\Local\Temp\b4d49f90e09b4d7071006c41a95fb0b4.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:2908

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\905c0769f9a06c95a24ddf945\patcher.exe$

    Filesize

    2.4MB

    MD5

    b4d49f90e09b4d7071006c41a95fb0b4

    SHA1

    ac812d9c63c401ab3deb565f609ca7e6730cbf64

    SHA256

    9c172683d4cde026c19d3b82657b353799796180e92ddcdf03406bb39c3966a2

    SHA512

    76164d7a8a5140372db12318b04b385839d38591b80eea7b0202c3f1f40273fd75a724185895323c804eb6f88929aa573b6c9f2ae2a2dd9f10830eac5f59d571

  • memory/2908-1-0x0000000000220000-0x0000000000223000-memory.dmp

    Filesize

    12KB

  • memory/2908-0-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/2908-1393-0x0000000000220000-0x0000000000223000-memory.dmp

    Filesize

    12KB