Overview

overview

10

Static

static

10

2bfb9ce960...5d.exe

windows7-x64

10

2bfb9ce960...5d.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    139s
  • max time network
    108s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/05/2024, 14:47

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General

  • Target
    2bfb9ce960038630e44ffd5439a1be605ca310b9894210ba5f81cd272a2e6d5d.exe
  • Size 1.4MB
  • Sample240520-r57mpsec48
  • SHA256 2bfb9ce960038630e44ffd5439a1be605ca310b9894210ba5f81cd272a2e6d5d
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
blackmoonbankerevasionpersistencespywarestealertrojan

Malware Config

Signatures

  • Blackmoon, KrBanker

    Blackmoon also known as KrBanker is banking trojan first discovered in early 2014.

    trojanbankerblackmoon
  • Detect Blackmoon payload 6 IoCs
  • UAC bypass 3 TTPs 1 IoCs
    evasiontrojan
  • Adds policy Run key to start application 2 TTPs 1 IoCs
    persistence
  • Disables RegEdit via registry modification 1 IoCs
    evasion
  • Drops file in Drivers directory 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • Drops autorun.inf file 1 TTPs 6 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in System32 directory 64 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • System policy modification 1 TTPs 3 IoCs
    evasion

Processes

  • C:\Users\Admin\AppData\Local\Temp\2bfb9ce960038630e44ffd5439a1be605ca310b9894210ba5f81cd272a2e6d5d.exe
    "C:\Users\Admin\AppData\Local\Temp\2bfb9ce960038630e44ffd5439a1be605ca310b9894210ba5f81cd272a2e6d5d.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2208
    • C:\Windows\360\360Safe\deepscan\ZhuDongFangYu.exe
      "C:\Windows\360\360Safe\deepscan\ZhuDongFangYu.exe"
      2⤵
      • UAC bypass
      • Adds policy Run key to start application
      • Disables RegEdit via registry modification
      • Drops file in Drivers directory
      • Executes dropped EXE
      • Adds Run key to start application
      • Checks whether UAC is enabled
      • Drops autorun.inf file
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • System policy modification
      PID:2816

Network

        MITRE ATT&CK Enterprise v15

        Reconnaissance

        Resource Development

        Initial Access

        Replication Through Removable Media

        1
        T1091

        Execution

        Persistence

        Boot or Logon Autostart Execution

        2
        T1547

        Registry Run Keys / Startup Folder

        2
        T1547.001

        Privilege Escalation

        Abuse Elevation Control Mechanism

        1
        T1548

        Bypass User Account Control

        1
        T1548.002

        Boot or Logon Autostart Execution

        2
        T1547

        Registry Run Keys / Startup Folder

        2
        T1547.001

        Defense Evasion

        Abuse Elevation Control Mechanism

        1
        T1548

        Bypass User Account Control

        1
        T1548.002

        Impair Defenses

        1
        T1562

        Disable or Modify Tools

        1
        T1562.001

        Modify Registry

        4
        T1112

        Credential Access

        Unsecured Credentials

        1
        T1552

        Credentials In Files

        1
        T1552.001

        Discovery

        Query Registry

        1
        T1012

        System Information Discovery

        3
        T1082

        Lateral Movement

        Replication Through Removable Media

        1
        T1091

        Collection

        Data from Local System

        1
        T1005

        Command and Control

        Exfiltration

        Impact

        Replay Monitor

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        Downloads

        ZhuDongFangYu.exe
        • Path C:\Windows\360\360Safe\deepscan\ZhuDongFangYu.exe
        • Size 1.4MB
        • SHA256 2bfb9ce960038630e44ffd5439a1be605ca310b9894210ba5f81cd272a2e6d5d
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        vcredist2010_x64.log.html
        • Path C:\vcredist2010_x64.log.html
        • Size 87KB
        • SHA256 be16be0e73126b0734f75e67c53650684204da419d09ba026402430ba0aed587
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        memory/2208-0-0x0000000000400000-0x0000000000455000-memory.dmp
        Download

        memory/2208-1-0x0000000000400000-0x0000000000455000-memory.dmp
        Download

        memory/2208-12-0x0000000000400000-0x0000000000455000-memory.dmp
        Download

        memory/2816-356-0x0000000000400000-0x0000000000455000-memory.dmp
        Download

        memory/2816-487-0x0000000000400000-0x0000000000455000-memory.dmp
        Download