Overview

overview

10

Static

static

3

820df3bc59...aN.dll

windows7-x64

10

820df3bc59...aN.dll

windows10-2004-x64

10

Analysis

  • max time kernel
    110s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-01-2025 05:55

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General

  • Target

    820df3bc59113bc26f64a48e5abff18c726ad87c90e734359ae8385f50f6a00aN.dll

  • Size

    604KB

  • MD5

    4e0d5d67660b6575dfeb0438f9f1ab50

  • SHA1

    fe89fea622dfc563ccd9dec6762e60aa78e3d173

  • SHA256

    820df3bc59113bc26f64a48e5abff18c726ad87c90e734359ae8385f50f6a00a

  • SHA512

    ceade77311038f30b1bf31508cc9d7369146049162da5286244e16706a72230ba7e6545940ef95ec3fa748da9840fa8bb68c72e169d851464ee58be7ef7a513d

  • SSDEEP

    6144:bg12AzW5HsiScvtNybiR8g0ISTFCRVe9/JE+++sKS1JGWWsca65eu9K2zqc4CWAZ:b82AK5HOEksJ1YW7DwzqyQ

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 8 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 4 IoCs
    adwarespyware
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 6 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\820df3bc59113bc26f64a48e5abff18c726ad87c90e734359ae8385f50f6a00aN.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3956
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\820df3bc59113bc26f64a48e5abff18c726ad87c90e734359ae8385f50f6a00aN.dll,#1
      2⤵
      • Checks whether UAC is enabled
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:4460
  • 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 AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:4948
  • 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:1208
  • 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:4716
  • 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:4352
  • 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:3636
  • 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:1512
  • 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:2204
  • 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:5072
  • 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:1760
  • 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:920
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Boot or Logon Autostart Execution: Active Setup
    PID:4972

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

    099cec3daf6c8b40cd9202ac854db03e

    SHA1

    9cd799dacdfffd54ec2379b375eedfc233719876

    SHA256

    5066c81360e6624f3d818b28173d8861ae4527e542b4b3f17bf426eab079ebf2

    SHA512

    b4e742f28d4c0e150a71ffdc2c12172bd8b64d48d019d76fc201d9a6704f09f391c8952b215ce7ec64995a81ca4c06ec8b29d3c9143ced8dcae30b3ae422d667

    Download Submit

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

    412B

    MD5

    bb4cd39f8cffac74a04c6645b803ba0f

    SHA1

    69d33245332f521785df7e3a3ac614bf916037d5

    SHA256

    152c73f73d3bd72ce1981835c5785138989b278d61622edae7aa8dd6534368c1

    SHA512

    91da96a456d8e167dc734ced220eb1350308e5f759dab706680cb674ab8757ff2d7549c3147e03e6cc1b3f24be865e87280f8290254ddfce34026ba91a16f594

    Download Submit

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

    2KB

    MD5

    fb9a7900e9f250c2aca6726806e71eea

    SHA1

    5da740266b3943d8e9e8c8efd11ba3ccc367fbaf

    SHA256

    40aa2ac0bec59d9e36d7c417350de8593b5d57705b3b938b91cae92f7ea16600

    SHA512

    8ebfa52cf40f83696d61d2223783f9f57cc5771afe3094c623c79b5252cfcde300e5dab141b2f7c1091504a019003e4149937604696156416cbb1c572512b4d7

    Download Submit

  • C:\Users\Admin\AppData\Local\Packages\microsoft.windows.search_cw5n1h2txyewy\AC\Microsoft\Internet Explorer\DOMStore\YOZOSN6K\microsoft.windows[1].xml
    Filesize

    97B

    MD5

    e6ba99d8293b4c7951bad0a2c6761b8e

    SHA1

    87aaf2d975cdef4db219e4f9f2b1469dd05a6b0b

    SHA256

    773b2b8b752a5bfd3d93b7475dbb7f659bad014ffd06292ee0450c216892ac29

    SHA512

    e6861e87688861f4c43d80f9e98996fc476a11d4e147eb3c55f66d6f1abc065690e2662dd34dca32c0284b64056b95142d932697aa1fa6d6b755ef0f57031ee0

    Download Submit

  • memory/920-160-0x0000018FBF020000-0x0000018FBF120000-memory.dmp

    Filesize

    1024KB

    Download

  • memory/920-177-0x0000018FC0140000-0x0000018FC0160000-memory.dmp

    Filesize

    128KB

    Download

  • memory/920-188-0x0000018FC0550000-0x0000018FC0570000-memory.dmp

    Filesize

    128KB

    Download

  • memory/920-165-0x0000018FC0180000-0x0000018FC01A0000-memory.dmp

    Filesize

    128KB

    Download

  • memory/2204-20-0x0000027DD0260000-0x0000027DD0280000-memory.dmp

    Filesize

    128KB

    Download

  • memory/2204-16-0x0000027DCF240000-0x0000027DCF340000-memory.dmp

    Filesize

    1024KB

    Download

  • memory/2204-35-0x0000027DD0220000-0x0000027DD0240000-memory.dmp

    Filesize

    128KB

    Download

  • memory/2204-51-0x0000027DD0620000-0x0000027DD0640000-memory.dmp

    Filesize

    128KB

    Download

  • memory/2204-15-0x0000027DCF240000-0x0000027DCF340000-memory.dmp

    Filesize

    1024KB

    Download

  • memory/3636-14-0x0000000004770000-0x0000000004771000-memory.dmp

    Filesize

    4KB

    Download

  • memory/4460-11-0x0000000000DB0000-0x0000000000DB6000-memory.dmp

    Filesize

    24KB

    Download

  • memory/4460-10-0x0000000074B20000-0x0000000074BB7000-memory.dmp

    Filesize

    604KB

    Download

  • memory/4460-0-0x0000000000DB0000-0x0000000000DB6000-memory.dmp

    Filesize

    24KB

    Download

  • memory/4460-1-0x0000000074B20000-0x0000000074BB7000-memory.dmp

    Filesize

    604KB

    Download

  • memory/5072-159-0x0000000004A80000-0x0000000004A81000-memory.dmp

    Filesize

    4KB

    Download