Overview

overview

10

Static

static

3

a81c99d352...7b.dll

windows7-x64

10

a81c99d352...7b.dll

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-01-2025 05:57

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General

  • Target

    a81c99d3529a32af2bdd97c4c24659af3e16c01a55078683fb578b13affb877b.dll

  • Size

    648KB

  • MD5

    d3d28670bf264cb9fdbbba97fe3aa170

  • SHA1

    645444307957053737dc887e17450cf262b61993

  • SHA256

    a81c99d3529a32af2bdd97c4c24659af3e16c01a55078683fb578b13affb877b

  • SHA512

    940e6a3a79ec6842ed7491e816cceda79ef85c256cef7cca8ddecf1431921d3ae35ee3da66ea8f5f12cf1151fccb5b7c9b5e62c32c1c649a0056e253af9e7886

  • SSDEEP

    6144:2g12AzW5HsiScvtNybiR8g0ISTFCRVe9/JE+++sKS1JGWWsca65eu9K2zqc4CWAZ:282AK5HOEksJ1YW7DwzqyQ

Score
10/10
dridexbotnetdiscoveryevasionloaderpersistencetrojan

Malware Config

Signatures

  • Dridex

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

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

    Detects 'dmod' strings in Dridex loader.

    botnetloader
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 5 IoCs

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

    persistence
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • Enumerates connected drives 3 TTPs 10 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.

    discovery
  • 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 6 IoCs
    adwarespyware
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\a81c99d3529a32af2bdd97c4c24659af3e16c01a55078683fb578b13affb877b.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2600
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\a81c99d3529a32af2bdd97c4c24659af3e16c01a55078683fb578b13affb877b.dll,#1
      2⤵
      • Checks whether UAC is enabled
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:4040
  • 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:4660
  • 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:4120
  • 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:2364
  • 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:1896
  • 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:2744
  • 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:4224
  • 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:2696
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Boot or Logon Autostart Execution: Active Setup
    • Enumerates connected drives
    • Checks SCSI registry key(s)
    • Suspicious use of SendNotifyMessage
    PID:2808
  • 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:1620
  • 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:4252
  • 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:4408
  • 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:4336
  • 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:552
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
      PID:4316
    • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
      "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
      1⤵
        PID:4504

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_CBDCCBFE4F7A916411C1E69BDD97BB04
        Filesize

        471B

        MD5

        e71669bd6a9e74a156ac933b670362c4

        SHA1

        e9de4d9084739759348ab9da8f7d415f437571a2

        SHA256

        1688ce51440d686498eb53bdd725952c998ad20ed53b646434a835224381708a

        SHA512

        003dc287c29c988a7d75aca7e822d6067992da25391687e6caf08c259e0bd3025055dd0713e810c425775435ba92a5dd6dc44e4cd13c51e975432ca010356673

        Download Submit

      • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_CBDCCBFE4F7A916411C1E69BDD97BB04
        Filesize

        412B

        MD5

        115d25568fe9161c0fc17aacd798cd9a

        SHA1

        cf31e884de41af4face0519012c4adfa04d12eee

        SHA256

        d0d34cad6f969182c50ee1307e895feee7715b1eca0d4598de87251043a17655

        SHA512

        d49b7e2ec922ae42bfee68ad5972da26d84995c1143e380692f902679be68ea85ccfa8326bed4a3594d2d7e4ff72bb06a4eb08e59b380de9ea2c9fde54eb30b8

        Download Submit

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

        2KB

        MD5

        74bb85930e683b499942efdb73f95139

        SHA1

        b81584f639edad3b0127979db6e87c35ae3141b7

        SHA256

        2f683efc696fbe6cb24228845d90c1397c08159bf4cebc7f77627ad3bddff166

        SHA512

        7494ab1e9fd004170d230af2873a4fb425128b6ce29134240ee80f3538eeee8d1c7f065119f16eb587adfd760f630fcb4af0a306518678e4e17d5a1cd9b7c865

        Download Submit

      • C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\LocalState\AppIconCache\100\Microsoft_Office_SETLANG_EXE_15
        Filesize

        36KB

        MD5

        0e2a09c8b94747fa78ec836b5711c0c0

        SHA1

        92495421ad887f27f53784c470884802797025ad

        SHA256

        0c1cdbbf6d974764aad46477863059eaec7b1717a7d26b025f0f8fe24338bb36

        SHA512

        61530a33a6109467962ba51371821ea55bb36cd2abc0e7a15f270abf62340e9166e66a1b10f4de9a306b368820802c4adb9653b9a5acd6f1e825e60128fd2409

        Download Submit

      • C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\LocalState\AppIconCache\100\Microsoft_Windows_Explorer
        Filesize

        36KB

        MD5

        ab0262f72142aab53d5402e6d0cb5d24

        SHA1

        eaf95bb31ae1d4c0010f50e789bdc8b8e3116116

        SHA256

        20a108577209b2499cfdba77645477dd0d9771a77d42a53c6315156761efcfbb

        SHA512

        bf9580f3e5d1102cf758503e18a2cf98c799c4a252eedf9344f7c5626da3a1cf141353f01601a3b549234cc3f2978ad31f928068395b56f9f0885c07dbe81da1

        Download Submit

      • C:\Users\Admin\AppData\Local\Packages\microsoft.windows.search_cw5n1h2txyewy\AC\Microsoft\Internet Explorer\DOMStore\DGTT1KLJ\microsoft.windows[1].xml
        Filesize

        97B

        MD5

        dfc314c564e6dcc3d3d7f1d2cdf01ff5

        SHA1

        53a06942171b8047e4850e459554488280da265e

        SHA256

        56b9785b0255bd668bfdb7d6f789d1e54de550d567b85e52105893b8fbb45a08

        SHA512

        48688def79fffd15cd97505f73860552d7ad5069cd741214ca13225dd69eff4111338175bcb6fc9e1ed926f4bbc11b28865ab3df33aabf8bb7b8b68a0531f5f5

        Download Submit

      • memory/552-337-0x000002725D250000-0x000002725D270000-memory.dmp

        Filesize

        128KB

        Download

      • memory/552-305-0x000002725CE80000-0x000002725CEA0000-memory.dmp

        Filesize

        128KB

        Download

      • memory/552-326-0x000002725CE40000-0x000002725CE60000-memory.dmp

        Filesize

        128KB

        Download

      • memory/552-301-0x000002725BD20000-0x000002725BE20000-memory.dmp

        Filesize

        1024KB

        Download

      • memory/552-300-0x000002725BD20000-0x000002725BE20000-memory.dmp

        Filesize

        1024KB

        Download

      • memory/2696-15-0x000002DC1BD50000-0x000002DC1BE50000-memory.dmp

        Filesize

        1024KB

        Download

      • memory/2696-16-0x000002DC1BD50000-0x000002DC1BE50000-memory.dmp

        Filesize

        1024KB

        Download

      • memory/2696-20-0x000002DC1CD80000-0x000002DC1CDA0000-memory.dmp

        Filesize

        128KB

        Download

      • memory/2696-51-0x000002DC1D150000-0x000002DC1D170000-memory.dmp

        Filesize

        128KB

        Download

      • memory/2696-37-0x000002DC1CD40000-0x000002DC1CD60000-memory.dmp

        Filesize

        128KB

        Download

      • memory/2744-14-0x0000000004E10000-0x0000000004E11000-memory.dmp

        Filesize

        4KB

        Download

      • memory/2808-161-0x0000000002CC0000-0x0000000002CC1000-memory.dmp

        Filesize

        4KB

        Download

      • memory/4040-0-0x00000000007F0000-0x00000000007F6000-memory.dmp

        Filesize

        24KB

        Download

      • memory/4040-10-0x0000000075270000-0x0000000075312000-memory.dmp

        Filesize

        648KB

        Download

      • memory/4040-11-0x00000000007F0000-0x00000000007F6000-memory.dmp

        Filesize

        24KB

        Download

      • memory/4040-1-0x0000000075270000-0x0000000075312000-memory.dmp

        Filesize

        648KB

        Download

      • memory/4252-200-0x0000028F779C0000-0x0000028F779E0000-memory.dmp

        Filesize

        128KB

        Download

      • memory/4252-183-0x0000028F773B0000-0x0000028F773D0000-memory.dmp

        Filesize

        128KB

        Download

      • memory/4252-169-0x0000028F77600000-0x0000028F77620000-memory.dmp

        Filesize

        128KB

        Download

      • memory/4408-298-0x0000000004BC0000-0x0000000004BC1000-memory.dmp

        Filesize

        4KB

        Download