Analysis

  • max time kernel
    1613s
  • max time network
    1615s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    02/06/2023, 14:10

General

  • Target

    LBB_pass_exe.exe

  • Size

    156KB

  • MD5

    939b44c121ac02bb4f2263aa98d435b7

  • SHA1

    898dfdc5c7d3ea28ec908c010fd8487dbcaf1574

  • SHA256

    19f7e6eee538f50e096c7f25b0ef73d9dc19c836ad4224d2039941041b3b56f8

  • SHA512

    1cb1cbc96c8ce350feb43cf9cf10b056d6ca9910603c6f328b4febf33f08a39b0012e4bb28e567d2699f997396e0bd2907c3a3edea69382f4898056f5f6b9398

  • SSDEEP

    3072:xlzcLHATJgJnZ9VQqkRMm8gVXn6sld/dtgP/Qq7aAkMefBOI:xNYHA9K1QmmlRV/dtWomkMe7

Score
10/10

Malware Config

Signatures

  • Lockbit

    Ransomware family with multiple variants released since late 2019.

  • Rule to detect Lockbit 3.0 ransomware Windows payload 1 IoCs
  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\LBB_pass_exe.exe
    "C:\Users\Admin\AppData\Local\Temp\LBB_pass_exe.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:820
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 820 -s 88
      2⤵
      • Program crash
      PID:1452

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/820-54-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB