Analysis

  • max time kernel
    62s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    06-03-2022 11:54

General

  • Target

    Leane.exe

  • Size

    4.0MB

  • MD5

    ebf4d78f0035564af1002ddfb5f44d7e

  • SHA1

    ee00172983aed98780ef55cfff7f85084bd627e9

  • SHA256

    26ebf8a0830652c9ea0de64dc0dca6d62caffc0aaa34abf43e7c410095c502ce

  • SHA512

    33e37b1aa1518f69e74ccc736fb9fdfad51d7d69b4685c88edacddea0f3a64ad066ed9daa5d96522583da66e588a636efb6a0d7224441281ac99db865550150b

Malware Config

Extracted

Family

blackguard

C2

https://api.telegram.org/bot1840568117:AAGlvKQeSfXkObSE7__yYc5jM9o8qSrkFUw/sendMessage?chat_id=1039923904

Signatures

  • BlackGuard

    Infostealer first seen in Late 2021.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Leane.exe
    "C:\Users\Admin\AppData\Local\Temp\Leane.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2752
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 2752 -s 1372
      2⤵
      • Program crash
      PID:4716
  • C:\Windows\system32\WerFault.exe
    C:\Windows\system32\WerFault.exe -pss -s 416 -p 2752 -ip 2752
    1⤵
      PID:4180

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2752-130-0x00000216F4A40000-0x00000216F4E3C000-memory.dmp

      Filesize

      4.0MB

    • memory/2752-131-0x00007FFC4E0E0000-0x00007FFC4EBA1000-memory.dmp

      Filesize

      10.8MB

    • memory/2752-132-0x00000216F51F0000-0x00000216F51F2000-memory.dmp

      Filesize

      8KB

    • memory/2752-133-0x00000216F8E10000-0x00000216F8E60000-memory.dmp

      Filesize

      320KB

    • memory/2752-134-0x00000216F8E60000-0x00000216F8E82000-memory.dmp

      Filesize

      136KB