Analysis

  • max time kernel
    135s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    06-03-2022 12:16

General

  • Target

    cleaner.exe

  • Size

    6.0MB

  • MD5

    13fa56ab5b3bd88a84aa8d2ca32de8fb

  • SHA1

    efa1edcfb626cc61a48df4c942e2d023191d90a9

  • SHA256

    62416ed5c114e347643b51879ee8a75e8a871ab7c02679402f99aaf697e9f9e8

  • SHA512

    e71d244e24c4aa8ff42968b9c4135b605554a7384cd96e22a8ba0616289f7ba06cce20e1f738d8782397df965cb1f8bd93d2b4c3344b2e35f734ed7ee54cda8e

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.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\cleaner.exe
    "C:\Users\Admin\AppData\Local\Temp\cleaner.exe"
    1⤵
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:1360
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 1360 -s 1600
      2⤵
      • Program crash
      PID:2800
  • C:\Windows\system32\WerFault.exe
    C:\Windows\system32\WerFault.exe -pss -s 420 -p 1360 -ip 1360
    1⤵
      PID:4388

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1360-130-0x00000246C1FE0000-0x00000246C25DC000-memory.dmp

      Filesize

      6.0MB

    • memory/1360-131-0x00007FF8F9B20000-0x00007FF8FA5E1000-memory.dmp

      Filesize

      10.8MB

    • memory/1360-132-0x00000246C28F0000-0x00000246C2900000-memory.dmp

      Filesize

      64KB

    • memory/1360-133-0x00000246E0710000-0x00000246E0760000-memory.dmp

      Filesize

      320KB

    • memory/1360-134-0x00000246E0760000-0x00000246E0782000-memory.dmp

      Filesize

      136KB