Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/02/2025, 08:25

General

  • Target

    3bb3888ef9a0a1f5a252f43431f3c25c4f4265c0834a114b1ae1a2faee5b5dfa.dll

  • Size

    608KB

  • MD5

    b97901b96456a2d1574acd475800a052

  • SHA1

    9c1898dec863ab35f8271b3dbbbc56fb0321bea4

  • SHA256

    3bb3888ef9a0a1f5a252f43431f3c25c4f4265c0834a114b1ae1a2faee5b5dfa

  • SHA512

    72c745badd19fbff29ed18bb416ebbb362ba89e24185e3e39bd2b0f18536c9f35f5518298883138bd84abd3ddbd51f19bb2a15b18625bb6c7d8960fe9f9f4f32

  • SSDEEP

    6144:ug12AzW5HsiScvtNybiR8g0ISTFCRVe9/JE+++sKS1JGWWsca65eu9K2zqc4CWAZ:u82AK5HOEksJ1YW7DwzqyQ

Malware Config

Signatures

  • Dridex

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

  • Dridex family
  • Dridex Loader 'dmod' strings 2 IoCs

    Detects 'dmod' strings in Dridex loader.

  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 9 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 16 IoCs

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

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks SCSI registry key(s) 3 TTPs 64 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 8 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 13 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\3bb3888ef9a0a1f5a252f43431f3c25c4f4265c0834a114b1ae1a2faee5b5dfa.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2548
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\3bb3888ef9a0a1f5a252f43431f3c25c4f4265c0834a114b1ae1a2faee5b5dfa.dll,#1
      2⤵
      • Checks whether UAC is enabled
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:3124
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Boot or Logon Autostart Execution: Active Setup
    • Enumerates connected drives
    • Checks SCSI registry key(s)
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:4580
  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:4088
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Boot or Logon Autostart Execution: Active Setup
    • Enumerates connected drives
    • Checks SCSI registry key(s)
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:3496
  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
    1⤵
    • Suspicious use of SetWindowsHookEx
    PID:4164
  • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
    "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:4920
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Boot or Logon Autostart Execution: Active Setup
    • Enumerates connected drives
    • Checks SCSI registry key(s)
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:3804
  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:4148
  • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
    "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
    1⤵
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:3892
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Boot or Logon Autostart Execution: Active Setup
    • Enumerates connected drives
    • Checks SCSI registry key(s)
    • Modifies registry class
    • Suspicious use of SendNotifyMessage
    PID:3636
  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:5060
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Boot or Logon Autostart Execution: Active Setup
    • Enumerates connected drives
    • Checks SCSI registry key(s)
    • Modifies registry class
    • Suspicious use of SendNotifyMessage
    PID:760
  • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
    "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
    1⤵
      PID:4688
    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
      1⤵
      • Suspicious use of SetWindowsHookEx
      PID:2064
    • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
      "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
      1⤵
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:2540
    • C:\Windows\explorer.exe
      explorer.exe
      1⤵
      • Boot or Logon Autostart Execution: Active Setup
      • Enumerates connected drives
      • Checks SCSI registry key(s)
      • Modifies registry class
      PID:4556
    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
      1⤵
      • Suspicious use of SetWindowsHookEx
      PID:4980
    • C:\Windows\explorer.exe
      explorer.exe
      1⤵
      • Boot or Logon Autostart Execution: Active Setup
      • Enumerates connected drives
      • Checks SCSI registry key(s)
      • Modifies registry class
      PID:4316
    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
      1⤵
      • Suspicious use of SetWindowsHookEx
      PID:4808
    • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
      "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
      1⤵
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:1032
    • C:\Windows\explorer.exe
      explorer.exe
      1⤵
      • Boot or Logon Autostart Execution: Active Setup
      • Enumerates connected drives
      • Checks SCSI registry key(s)
      PID:3184
    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
      1⤵
      • Suspicious use of SetWindowsHookEx
      PID:1396
    • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
      "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
      1⤵
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:3480
    • C:\Windows\explorer.exe
      explorer.exe
      1⤵
      • Boot or Logon Autostart Execution: Active Setup
      PID:1660

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\AC\TokenBroker\Cache\fbaf94e759052658216786bfbabcdced1b67a5c2.tbres

      Filesize

      2KB

      MD5

      cf18f861596b1c856ab6ce080fec9a31

      SHA1

      1c4b97479f606708259510ea494c9c0acfd7bbb3

      SHA256

      efa49a052f98daba5586c909e3ba55066be4de6ad95012be3ec5558ed8a5e2de

      SHA512

      47eb13d9a78e2ccadd40ea9414272c7abf0c8f8f367c7440943bc2a95e83aadb24899054e3070c9adcff78491aad72174f73c02f61f92f63b28c443022820ebc

    • C:\Users\Admin\AppData\Local\Packages\microsoft.windows.search_cw5n1h2txyewy\AC\Microsoft\Internet Explorer\DOMStore\MYYZTTZG\microsoft.windows[1].xml

      Filesize

      97B

      MD5

      b89387c272ea641caf67d5ad0ecffc95

      SHA1

      fb4359da9114895b5f245749637248d72d3911a6

      SHA256

      2617f712a03e2d115b7173bda3ad71e82ce2961d9a11603797600a866274b076

      SHA512

      23b592658e6786ddd6046e099b7ba8a2efbe28fac9b0de39c387a1ed53b9b68a435fa7c0667694f5e4a0d39f089809d5a6f7f04b972e60c65d5472451424f53c

    • memory/760-127-0x0000000002A60000-0x0000000002A61000-memory.dmp

      Filesize

      4KB

    • memory/1032-290-0x00000212A4680000-0x00000212A46A0000-memory.dmp

      Filesize

      128KB

    • memory/1032-289-0x00000212A4060000-0x00000212A4080000-memory.dmp

      Filesize

      128KB

    • memory/1032-259-0x00000212A40A0000-0x00000212A40C0000-memory.dmp

      Filesize

      128KB

    • memory/2540-144-0x0000017993B20000-0x0000017993B40000-memory.dmp

      Filesize

      128KB

    • memory/2540-160-0x0000017993F20000-0x0000017993F40000-memory.dmp

      Filesize

      128KB

    • memory/2540-129-0x0000017992A00000-0x0000017992B00000-memory.dmp

      Filesize

      1024KB

    • memory/2540-130-0x0000017992A00000-0x0000017992B00000-memory.dmp

      Filesize

      1024KB

    • memory/2540-134-0x0000017993B60000-0x0000017993B80000-memory.dmp

      Filesize

      128KB

    • memory/3124-1-0x0000000074C00000-0x0000000074C98000-memory.dmp

      Filesize

      608KB

    • memory/3124-6-0x00000000007F0000-0x00000000007F6000-memory.dmp

      Filesize

      24KB

    • memory/3124-5-0x0000000074C00000-0x0000000074C98000-memory.dmp

      Filesize

      608KB

    • memory/3124-0-0x00000000007F0000-0x00000000007F6000-memory.dmp

      Filesize

      24KB

    • memory/3184-388-0x00000000043A0000-0x00000000043A1000-memory.dmp

      Filesize

      4KB

    • memory/3480-390-0x000002C09E900000-0x000002C09EA00000-memory.dmp

      Filesize

      1024KB

    • memory/3480-395-0x000002C09F9C0000-0x000002C09F9E0000-memory.dmp

      Filesize

      128KB

    • memory/3480-391-0x000002C09E900000-0x000002C09EA00000-memory.dmp

      Filesize

      1024KB

    • memory/3480-405-0x000002C09F980000-0x000002C09F9A0000-memory.dmp

      Filesize

      128KB

    • memory/3480-427-0x000002C09FD90000-0x000002C09FDB0000-memory.dmp

      Filesize

      128KB

    • memory/3804-8-0x0000000004320000-0x0000000004321000-memory.dmp

      Filesize

      4KB

    • memory/3892-11-0x000001CA12420000-0x000001CA12520000-memory.dmp

      Filesize

      1024KB

    • memory/3892-10-0x000001CA12420000-0x000001CA12520000-memory.dmp

      Filesize

      1024KB

    • memory/3892-15-0x000001CA13370000-0x000001CA13390000-memory.dmp

      Filesize

      128KB

    • memory/3892-27-0x000001CA13330000-0x000001CA13350000-memory.dmp

      Filesize

      128KB

    • memory/3892-38-0x000001CA13940000-0x000001CA13960000-memory.dmp

      Filesize

      128KB

    • memory/4316-251-0x00000000044E0000-0x00000000044E1000-memory.dmp

      Filesize

      4KB