Overview

overview

10

Static

static

10

buijp.exe

windows7_x64

10

buijp.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    133s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    06-03-2022 11:52

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General

  • Target

    buijp.exe

  • Size

    1.5MB

  • MD5

    d9dd93dbce60481ae945dd6b9ba3e830

  • SHA1

    a01dd4dbe77a99de0cdcc3c2830641ff79a2d892

  • SHA256

    c1237d0e517abc7cd15bb55110196247b1f6ec397c28b8b2bdfba86dc5c8805f

  • SHA512

    8c48538a643fef1811689af9a893527776c501e9ed40223528ab80901be2a182f326c0be13dcfe1e30f14f69f77323ab8138728bc3ef4ae77c40e17a1c505c46

Score
10/10
blackguardspywarestealer

Malware Config

Extracted

Family

blackguard

C2

https://api.telegram.org/bot5000057429:AAGzxzARC3DPcOsfaw0jKHEyHfyEfZqVYQM/sendMessage?chat_id=1283089701

Signatures

  • BlackGuard

    Infostealer first seen in Late 2021.

    stealerblackguard
  • Downloads MZ/PE file
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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.

    spywarestealer
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\buijp.exe
    "C:\Users\Admin\AppData\Local\Temp\buijp.exe"
    1⤵
    • Checks computer location settings
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1872
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -inputformat none -outputformat none -NonInteractive -Command Add - MpPreference - ExclusionPath C:\
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2876
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 1872 -s 2404
      2⤵
      • Program crash
      PID:1848
  • C:\Windows\system32\WerFault.exe
    C:\Windows\system32\WerFault.exe -pss -s 408 -p 1872 -ip 1872
    1⤵
      PID:1604

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Execution

    Persistence

    Privilege Escalation

    Defense Evasion

    Credential Access

    Credentials in Files

    1
    T1081

    Discovery

    Query Registry

    1
    T1012

    System Information Discovery

    2
    T1082

    Lateral Movement

    Collection

    Data from Local System

    1
    T1005

    Exfiltration

    Command and Control

    Web Service

    1
    T1102

    Impact

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\x64\SQLite.Interop.dll
      MD5

      616827a61d7a49ce5389c5d96443e35d

      SHA1

      d522ee5607e122e775d77641dba09711146db739

      SHA256

      54d4025bc175de5367d0ace1a78fec7edf06b642892691cf85afb02b8ab166d5

      SHA512

      fd6a53cb9851e56b8dc6a40627058852f2949688b73dacf6f3e0fcf932453b8c52a3bfefb12c80c38397a89f1038ad8fad329ea2798b86457ce5d8fe7ba87312

      Download Submit
    • memory/1872-130-0x000001953E690000-0x000001953E81A000-memory.dmp
      Filesize

      1.5MB

      Download
    • memory/1872-131-0x00007FFC830B0000-0x00007FFC83B71000-memory.dmp
      Filesize

      10.8MB

      Download
    • memory/1872-137-0x0000019540690000-0x0000019540692000-memory.dmp
      Filesize

      8KB

      Download
    • memory/1872-138-0x000001955A750000-0x000001955A7A0000-memory.dmp
      Filesize

      320KB

      Download
    • memory/2876-132-0x0000019674CF0000-0x0000019674D12000-memory.dmp
      Filesize

      136KB

      Download
    • memory/2876-133-0x00007FFC830B0000-0x00007FFC83B71000-memory.dmp
      Filesize

      10.8MB

      Download
    • memory/2876-134-0x0000019672B70000-0x0000019672B72000-memory.dmp
      Filesize

      8KB

      Download
    • memory/2876-135-0x0000019672B73000-0x0000019672B75000-memory.dmp
      Filesize

      8KB

      Download
    • memory/2876-136-0x0000019672B76000-0x0000019672B78000-memory.dmp
      Filesize

      8KB

      Download