Analysis

  • max time kernel
    143s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-01-2024 16:21

General

  • Target

    7ab57693dbdaf787706d0da8c151df4e.dll

  • Size

    2.9MB

  • MD5

    7ab57693dbdaf787706d0da8c151df4e

  • SHA1

    5b10dab0b2ce302bfb48a8e2f039479231102c48

  • SHA256

    d7de92fab29dd63724f0ecac51deaa9b343500a61f164029de7d1c8e19457914

  • SHA512

    8b5995d735812a3707faee91854a183c52de45145024eb6064d181185b188adafd21b2b574c1b7f80c8da8424792b8cd26e625900a6514d3f31e5dfccf122bca

  • SSDEEP

    12288:rVI0W/Ttl/LPJCm3WIYxJ9yK5oQNPElOlidGgmilgm5Qq0nB6wtt4AenZ1:qf/LfWsK5TNA+WGgm+V5SB6Ct4bnb

Malware Config

Signatures

  • Dridex

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

  • Dridex Shellcode 1 IoCs

    Detects Dridex Payload shellcode injected in Explorer process.

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

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

  • Checks SCSI registry key(s) 3 TTPs 58 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 12 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 26 IoCs
  • Suspicious use of SetWindowsHookEx 8 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.

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\7ab57693dbdaf787706d0da8c151df4e.dll,#1
    1⤵
    • Checks whether UAC is enabled
    • Suspicious behavior: EnumeratesProcesses
    PID:5072
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Modifies Installed Components in the registry
    • Enumerates connected drives
    • Checks SCSI registry key(s)
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    PID:1136
  • 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:4512
  • 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:3040
  • 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:1456
  • 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:2984
  • 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:4668
  • 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:4460
  • 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:4108
  • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
    "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
    1⤵
      PID:4948

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • 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

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

      Filesize

      36KB

      MD5

      fb5f8866e1f4c9c1c7f4d377934ff4b2

      SHA1

      d0a329e387fb7bcba205364938417a67dbb4118a

      SHA256

      1649ec9493be27f76ae7304927d383f8a53dd3e41ea1678bacaff33120ea4170

      SHA512

      0fbe2843dfeab7373cde0643b20c073fdc2fcbefc5ae581fd1656c253dfa94e8bba4d348e95cc40d1e872456ecca894b462860aeac8b92cedb11a7cad634798c

    • C:\Users\Admin\AppData\Local\Packages\microsoft.windows.search_cw5n1h2txyewy\AC\Microsoft\Internet Explorer\DOMStore\QDDM1QX5\microsoft.windows[1].xml

      Filesize

      96B

      MD5

      2415f1b0b1e5150e9f1e871081fd1fad

      SHA1

      a79e4bfddc3daf75f059fda3547bd18282d993f7

      SHA256

      3eff25035403aba506d0dbf69c76a22fa90ec66d2094cbf39bc5267a850902ae

      SHA512

      5d05da9ec1471dbf91f0c474c8db3897130543ff3c4da70724ce3a36adc38f628264c3dae4f54caef493f7593a0986a944dda0e19e947f3dfc34fc16fbd3e6bb

    • memory/1136-14-0x0000000004340000-0x0000000004341000-memory.dmp

      Filesize

      4KB

    • memory/1456-41-0x00000274AE7C0000-0x00000274AE7E0000-memory.dmp

      Filesize

      128KB

    • memory/1456-45-0x00000274AEDA0000-0x00000274AEDC0000-memory.dmp

      Filesize

      128KB

    • memory/1456-43-0x00000274AE780000-0x00000274AE7A0000-memory.dmp

      Filesize

      128KB

    • memory/2984-62-0x000002AD8C3D0000-0x000002AD8C3F0000-memory.dmp

      Filesize

      128KB

    • memory/2984-66-0x000002AD8C7A0000-0x000002AD8C7C0000-memory.dmp

      Filesize

      128KB

    • memory/2984-64-0x000002AD8C390000-0x000002AD8C3B0000-memory.dmp

      Filesize

      128KB

    • memory/3040-20-0x0000021D03310000-0x0000021D03330000-memory.dmp

      Filesize

      128KB

    • memory/3040-24-0x0000021D038E0000-0x0000021D03900000-memory.dmp

      Filesize

      128KB

    • memory/3040-22-0x0000021D032D0000-0x0000021D032F0000-memory.dmp

      Filesize

      128KB

    • memory/3512-5-0x00007FFFC910A000-0x00007FFFC910B000-memory.dmp

      Filesize

      4KB

    • memory/3512-8-0x00000000030F0000-0x00000000030F1000-memory.dmp

      Filesize

      4KB

    • memory/3512-4-0x0000000003400000-0x0000000003401000-memory.dmp

      Filesize

      4KB

    • memory/4108-127-0x000001DA9B3A0000-0x000001DA9B3C0000-memory.dmp

      Filesize

      128KB

    • memory/4108-125-0x000001DA9B3E0000-0x000001DA9B400000-memory.dmp

      Filesize

      128KB

    • memory/4108-129-0x000001DA9B9B0000-0x000001DA9B9D0000-memory.dmp

      Filesize

      128KB

    • memory/4460-104-0x0000020892970000-0x0000020892990000-memory.dmp

      Filesize

      128KB

    • memory/4460-106-0x0000020892930000-0x0000020892950000-memory.dmp

      Filesize

      128KB

    • memory/4460-111-0x0000020892D80000-0x0000020892DA0000-memory.dmp

      Filesize

      128KB

    • memory/4668-85-0x000001FC9EB70000-0x000001FC9EB90000-memory.dmp

      Filesize

      128KB

    • memory/4668-87-0x000001FC9EF80000-0x000001FC9EFA0000-memory.dmp

      Filesize

      128KB

    • memory/4668-83-0x000001FC9EBB0000-0x000001FC9EBD0000-memory.dmp

      Filesize

      128KB

    • memory/5072-1-0x0000020572120000-0x0000020572127000-memory.dmp

      Filesize

      28KB

    • memory/5072-0-0x0000000140000000-0x00000001402E0000-memory.dmp

      Filesize

      2.9MB