Analysis

  • max time kernel
    141s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    29-12-2023 20:48

General

  • Target

    03995bc9ee5e40479917fa8a30b7885a.exe

  • Size

    556KB

  • MD5

    03995bc9ee5e40479917fa8a30b7885a

  • SHA1

    5c6b560b2d91e1801e8141ca384af14e574edfda

  • SHA256

    57abbc568ff5d0b808b48131ce6f7bead0cd3fae08e13bc91e63e5b7ebea8290

  • SHA512

    0d9a503fd030bbeee9cfaf3a6bbbe845fe5f6efa3917d13283106c58d7c5acf19871e1069d6a1b5435368b18e178cd9cdd0de622d294bae47de69bce412eccdc

  • SSDEEP

    12288:yGMVWEswD7o/Aoy51aISoO+YlyeU81GYOCmBmXHKwMMzk:yGSWEhnoIooSUY40G4imXHKwMMzk

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • UPX packed file 11 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Program Files directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\03995bc9ee5e40479917fa8a30b7885a.exe
    "C:\Users\Admin\AppData\Local\Temp\03995bc9ee5e40479917fa8a30b7885a.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Modifies Internet Explorer settings
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2348
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2348 -s 1712
      2⤵
      • Program crash
      PID:1936

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2348-163-0x0000000000400000-0x0000000000521000-memory.dmp

    Filesize

    1.1MB

  • memory/2348-164-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2348-0-0x0000000000400000-0x0000000000521000-memory.dmp

    Filesize

    1.1MB

  • memory/2348-3-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2348-130-0x0000000003A00000-0x0000000003A10000-memory.dmp

    Filesize

    64KB

  • memory/2348-161-0x0000000000400000-0x0000000000521000-memory.dmp

    Filesize

    1.1MB

  • memory/2348-2-0x0000000000400000-0x0000000000521000-memory.dmp

    Filesize

    1.1MB

  • memory/2348-1-0x0000000000400000-0x0000000000521000-memory.dmp

    Filesize

    1.1MB

  • memory/2348-162-0x0000000000400000-0x0000000000521000-memory.dmp

    Filesize

    1.1MB

  • memory/2348-165-0x0000000003A00000-0x0000000003A10000-memory.dmp

    Filesize

    64KB

  • memory/2348-166-0x0000000000400000-0x0000000000521000-memory.dmp

    Filesize

    1.1MB

  • memory/2348-167-0x0000000000400000-0x0000000000521000-memory.dmp

    Filesize

    1.1MB

  • memory/2348-168-0x0000000000400000-0x0000000000521000-memory.dmp

    Filesize

    1.1MB

  • memory/2348-170-0x0000000000400000-0x0000000000521000-memory.dmp

    Filesize

    1.1MB

  • memory/2348-171-0x0000000000400000-0x0000000000521000-memory.dmp

    Filesize

    1.1MB