Overview

overview

10

Static

static

b8d4ff7324...d8.dll

windows7_x64

10

b8d4ff7324...d8.dll

windows10_x64

10

Analysis

  • max time kernel
    46s
  • max time network
    146s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    13/11/2020, 15:38

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General

  • Target
    b8d4ff7324bc40abb6ff8df5127111a3b7a214b937f787cdf0c8c14ff6b9a8d8.dll
  • Size 804KB
  • Sample201113-t9vrcrwsss
  • SHA256 b8d4ff7324bc40abb6ff8df5127111a3b7a214b937f787cdf0c8c14ff6b9a8d8
  • MD5 SHA1 SHA512
Score
10/10
dridexbotnetevasionloaderpersistencetrojan

Malware Config

Signatures

  • Dridex

    Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.

    botnetdridex
  • Dridex Loader 1 IoCs

    Detects Dridex both x86 and x64 loader in memory.

    botnetloader
  • Modifies Installed Components in the registry 2 TTPs
    persistence
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • Enumerates connected drives 3 TTPs 9 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Checks SCSI registry key(s) 3 TTPs 96 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 16 IoCs
  • Modifies Control Panel 45 IoCs
    evasion
  • Modifies registry class 215 IoCs
  • Suspicious behavior: EnumeratesProcesses 18 IoCs
  • Suspicious use of AdjustPrivilegeToken 280 IoCs
  • Suspicious use of FindShellTrayWindow 378 IoCs
  • Suspicious use of SendNotifyMessage 204 IoCs
  • Suspicious use of SetWindowsHookEx 27 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\b8d4ff7324bc40abb6ff8df5127111a3b7a214b937f787cdf0c8c14ff6b9a8d8.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:640
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\b8d4ff7324bc40abb6ff8df5127111a3b7a214b937f787cdf0c8c14ff6b9a8d8.dll,#1
      2⤵
      • Checks whether UAC is enabled
      • Suspicious behavior: EnumeratesProcesses
      PID:296
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Enumerates connected drives
    • Checks SCSI registry key(s)
    • Modifies Control Panel
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:1740
  • C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe
    "C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe" -ServerName:App.AppXtk181tbxbce2qsex02s8tw7hfxa9xb3t.mca
    1⤵
    • Modifies Control Panel
    • Suspicious use of SetWindowsHookEx
    PID:3180
  • C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe
    "C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe" -ServerName:CortanaUI.AppXa50dqqa5gqv4a428c9y1jjw7m3btvepj.mca
    1⤵
    • Enumerates system info in registry
    • Modifies Control Panel
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:2400
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Enumerates connected drives
    • Checks SCSI registry key(s)
    • Modifies Control Panel
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:3496
  • C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe
    "C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe" -ServerName:App.AppXtk181tbxbce2qsex02s8tw7hfxa9xb3t.mca
    1⤵
    • Modifies Control Panel
    • Suspicious use of SetWindowsHookEx
    PID:2924
  • C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe
    "C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe" -ServerName:CortanaUI.AppXa50dqqa5gqv4a428c9y1jjw7m3btvepj.mca
    1⤵
    • Enumerates system info in registry
    • Modifies Control Panel
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:3464
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Enumerates connected drives
    • Checks SCSI registry key(s)
    • Modifies Control Panel
    • Modifies registry class
    • Suspicious use of SendNotifyMessage
    PID:1524
  • C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe
    "C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe" -ServerName:App.AppXtk181tbxbce2qsex02s8tw7hfxa9xb3t.mca
    1⤵
    • Modifies Control Panel
    • Suspicious use of SetWindowsHookEx
    PID:3968
  • C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe
    "C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe" -ServerName:CortanaUI.AppXa50dqqa5gqv4a428c9y1jjw7m3btvepj.mca
    1⤵
    • Enumerates system info in registry
    • Modifies Control Panel
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:1232
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Enumerates connected drives
    • Checks SCSI registry key(s)
    • Modifies Control Panel
    • Modifies registry class
    PID:3208
  • C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe
    "C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe" -ServerName:App.AppXtk181tbxbce2qsex02s8tw7hfxa9xb3t.mca
    1⤵
    • Modifies Control Panel
    • Suspicious use of SetWindowsHookEx
    PID:3740
  • C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe
    "C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe" -ServerName:CortanaUI.AppXa50dqqa5gqv4a428c9y1jjw7m3btvepj.mca
    1⤵
    • Enumerates system info in registry
    • Modifies Control Panel
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:3596
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Enumerates connected drives
    • Checks SCSI registry key(s)
    • Modifies Control Panel
    • Modifies registry class
    PID:3120
  • C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe
    "C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe" -ServerName:App.AppXtk181tbxbce2qsex02s8tw7hfxa9xb3t.mca
    1⤵
    • Modifies Control Panel
    • Suspicious use of SetWindowsHookEx
    PID:3484
  • C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe
    "C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe" -ServerName:CortanaUI.AppXa50dqqa5gqv4a428c9y1jjw7m3btvepj.mca
    1⤵
    • Enumerates system info in registry
    • Modifies Control Panel
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:3736
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Enumerates connected drives
    • Checks SCSI registry key(s)
    • Modifies Control Panel
    • Modifies registry class
    PID:3140
  • C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe
    "C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe" -ServerName:App.AppXtk181tbxbce2qsex02s8tw7hfxa9xb3t.mca
    1⤵
    • Modifies Control Panel
    • Suspicious use of SetWindowsHookEx
    PID:3976
  • C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe
    "C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe" -ServerName:CortanaUI.AppXa50dqqa5gqv4a428c9y1jjw7m3btvepj.mca
    1⤵
    • Enumerates system info in registry
    • Modifies Control Panel
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:3600
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Enumerates connected drives
    • Checks SCSI registry key(s)
    • Modifies Control Panel
    • Modifies registry class
    PID:3172
  • C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe
    "C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe" -ServerName:App.AppXtk181tbxbce2qsex02s8tw7hfxa9xb3t.mca
    1⤵
    • Modifies Control Panel
    • Suspicious use of SetWindowsHookEx
    PID:352
  • C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe
    "C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe" -ServerName:CortanaUI.AppXa50dqqa5gqv4a428c9y1jjw7m3btvepj.mca
    1⤵
    • Enumerates system info in registry
    • Modifies Control Panel
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:2620
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Enumerates connected drives
    • Checks SCSI registry key(s)
    • Modifies Control Panel
    • Modifies registry class
    PID:936
  • C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe
    "C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe" -ServerName:App.AppXtk181tbxbce2qsex02s8tw7hfxa9xb3t.mca
    1⤵
    • Modifies Control Panel
    • Suspicious use of SetWindowsHookEx
    PID:1120
  • C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe
    "C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe" -ServerName:CortanaUI.AppXa50dqqa5gqv4a428c9y1jjw7m3btvepj.mca
    1⤵
    • Enumerates system info in registry
    • Modifies Control Panel
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:3664
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Enumerates connected drives
    • Modifies Control Panel
    • Modifies registry class
    PID:2000
  • C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe
    "C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe" -ServerName:App.AppXtk181tbxbce2qsex02s8tw7hfxa9xb3t.mca
    1⤵
    • Modifies Control Panel
    • Suspicious use of SetWindowsHookEx
    PID:3440
  • C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe
    "C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe" -ServerName:CortanaUI.AppXa50dqqa5gqv4a428c9y1jjw7m3btvepj.mca
    1⤵
    • Modifies Control Panel
    • Suspicious use of SetWindowsHookEx
    PID:3124

Network

        MITRE ATT&CK Enterprise v6

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        Downloads

        memory/296-1-0x0000000073560000-0x0000000073607000-memory.dmp
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