Overview

overview

10

Static

static

7

9de55d5b06...0N.exe

windows7-x64

10

9de55d5b06...0N.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    102s
  • max time network
    118s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/08/2024, 14:43

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General

  • Target

    9de55d5b064198ce6f34cb0cb481a440N.exe

  • Size

    272KB

  • MD5

    9de55d5b064198ce6f34cb0cb481a440

  • SHA1

    885f3725c8581177ce166fcc4fcb3314e104a034

  • SHA256

    e062279c39b0cf1f3d9d85945e97a8d3b7d62b7d924c8992dfd092fa228977d4

  • SHA512

    ac603fb0292bfb5afbba75ded8e1bed491a611d3b24c19d6810d3e6df830352f38aa5c08f44638a6e9111af7e0700be1e0283f647ea56b041f2387030004538d

  • SSDEEP

    3072:IMBGBT753QVRgWgMlIx1ZiXjb6aEF6D0NM9voeLNZ2j8Cr2:tw754RgWg4aAXjb6aEFfooeLNZxC

Score
10/10
discoveryevasionpersistenceupx

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 2 IoCs
    persistence
  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
    evasion
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
    evasion
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

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

    persistence
  • Disables RegEdit via registry modification 1 IoCs
    evasion
  • Disables Task Manager via registry modification
    evasion
  • Disables cmd.exe use via registry modification 1 IoCs
    evasion
  • Disables use of System Restore points 1 TTPs
    evasion
  • Modifies system executable filetype association 2 TTPs 13 IoCs
    persistence
  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • Adds Run key to start application 2 TTPs 4 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 24 IoCs

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

  • Modifies WinLogon 2 TTPs 3 IoCs
    persistence
  • Drops autorun.inf file 1 TTPs 4 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • 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 58 IoCs

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

  • Modifies Control Panel 9 IoCs
    evasion
  • Modifies Internet Explorer settings 1 TTPs 9 IoCs
    adwarespyware
  • Modifies Internet Explorer start page 1 TTPs 1 IoCs
    stealer
  • Modifies registry class 62 IoCs
  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 26 IoCs
  • Suspicious use of AdjustPrivilegeToken 40 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 26 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs
  • System policy modification 1 TTPs 2 IoCs
    evasion
  • 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
  • Uses Volume Shadow Copy WMI provider

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\9de55d5b064198ce6f34cb0cb481a440N.exe
    "C:\Users\Admin\AppData\Local\Temp\9de55d5b064198ce6f34cb0cb481a440N.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Modifies visibility of file extensions in Explorer
    • Modifies visiblity of hidden/system files in Explorer
    • Disables RegEdit via registry modification
    • Disables cmd.exe use via registry modification
    • Modifies system executable filetype association
    • Adds Run key to start application
    • Enumerates connected drives
    • Modifies WinLogon
    • Drops autorun.inf file
    • System Location Discovery: System Language Discovery
    • Modifies Control Panel
    • Modifies Internet Explorer settings
    • Modifies Internet Explorer start page
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • System policy modification
    PID:1924
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Modifies registry class
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:2892
    • C:\Windows\explorer.exe
      explorer.exe /LOADSAVEDWINDOWS
      2⤵
      • Modifies registry class
      PID:5016
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
    1⤵
      PID:2664
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
      1⤵
      • Suspicious behavior: AddClipboardFormatListener
      PID:4156
    • C:\Windows\explorer.exe
      explorer.exe
      1⤵
      • Boot or Logon Autostart Execution: Active Setup
      • Enumerates connected drives
      • Checks SCSI registry key(s)
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:5056
    • C:\Windows\System32\rundll32.exe
      C:\Windows\System32\rundll32.exe shell32.dll,SHCreateLocalServerRunDll {9BA05972-F6A8-11CF-A442-00A0C90A8F39} -Embedding
      1⤵
        PID:4400
      • 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:1324
      • 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:208

      Network

            MITRE ATT&CK Enterprise v15

            Reconnaissance

            Resource Development

            Initial Access

            Replication Through Removable Media

            1
            T1091

            Execution

            Persistence

            Boot or Logon Autostart Execution

            4
            T1547

            Active Setup

            1
            T1547.014

            Registry Run Keys / Startup Folder

            1
            T1547.001

            Winlogon Helper DLL

            2
            T1547.004

            Event Triggered Execution

            1
            T1546

            Change Default File Association

            1
            T1546.001

            Privilege Escalation

            Boot or Logon Autostart Execution

            4
            T1547

            Active Setup

            1
            T1547.014

            Registry Run Keys / Startup Folder

            1
            T1547.001

            Winlogon Helper DLL

            2
            T1547.004

            Event Triggered Execution

            1
            T1546

            Change Default File Association

            1
            T1546.001

            Defense Evasion

            Hide Artifacts

            2
            T1564

            Hidden Files and Directories

            2
            T1564.001

            Modify Registry

            10
            T1112

            Credential Access

            Discovery

            Peripheral Device Discovery

            2
            T1120

            Query Registry

            3
            T1012

            System Information Discovery

            2
            T1082

            System Location Discovery

            1
            T1614

            System Language Discovery

            1
            T1614.001

            Lateral Movement

            Replication Through Removable Media

            1
            T1091

            Collection

            Command and Control

            Exfiltration

            Impact

            Inhibit System Recovery

            1
            T1490

            Replay Monitor

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            Downloads

            • C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\LocalState\DeviceSearchCache\AppCache133683794176332949.txt
              Filesize

              75KB

              MD5

              a8eabdf59dce90f5e164848c61169ced

              SHA1

              8aa2bbbddba11f209a2c350b6e50b5239865b332

              SHA256

              7b92ec257e4f2ba392edbbbc2d587de8540d06396f6015a80c439fc4db76901d

              SHA512

              27b37e67d51aa321b9cf36fc6fa4e1ac4874f28d4baa3230cf1e20a50a527568826b0a7048ee9ad4599d34f6cd77d38b6fd115e08c460c8faba869091f42f858

              Download Submit

            • C:\Users\Admin\AppData\Local\csrss.exe
              Filesize

              272KB

              MD5

              9de55d5b064198ce6f34cb0cb481a440

              SHA1

              885f3725c8581177ce166fcc4fcb3314e104a034

              SHA256

              e062279c39b0cf1f3d9d85945e97a8d3b7d62b7d924c8992dfd092fa228977d4

              SHA512

              ac603fb0292bfb5afbba75ded8e1bed491a611d3b24c19d6810d3e6df830352f38aa5c08f44638a6e9111af7e0700be1e0283f647ea56b041f2387030004538d

              Download Submit

            • F:\autorun.inf
              Filesize

              39B

              MD5

              415c421ba7ae46e77bdee3a681ecc156

              SHA1

              b0db5782b7688716d6fc83f7e650ffe1143201b7

              SHA256

              e6e9c5ea41aaf8b2145701f94289458ef5c8467f8c8a2954caddf8513adcf26e

              SHA512

              dbafe82d3fe0f9cda3fa9131271636381e548da5cc58cd01dd68d50e3795ff9d857143f30db9cd2a0530c06ce1adef4de9a61289e0014843ac7fefcbd31a8f62

              Download Submit

            • F:\present.txt
              Filesize

              729B

              MD5

              8e3c734e8dd87d639fb51500d42694b5

              SHA1

              f76371d31eed9663e9a4fd7cb95f54dcfc51f87f

              SHA256

              574a3a546332854d82e4f5b54cc5e8731fe9828e14e89a728be7e53ed21f6bad

              SHA512

              06ef1ddd1dd2b30d7db261e9ac78601111eeb1315d2c46f42ec71d14611376a951af3e9c6178bb7235f0d61c022d4715aeb528f775a3cf7da249ab0b2e706853

              Download Submit

            • memory/208-2371-0x0000022F7FFB0000-0x0000022F7FFD0000-memory.dmp

              Filesize

              128KB

              Download

            • memory/208-2392-0x0000022F7FF70000-0x0000022F7FF90000-memory.dmp

              Filesize

              128KB

              Download

            • memory/208-2402-0x0000022700380000-0x00000227003A0000-memory.dmp

              Filesize

              128KB

              Download

            • memory/1924-0-0x0000000000400000-0x0000000000444000-memory.dmp

              Filesize

              272KB

              Download

            • memory/1924-2355-0x0000000000400000-0x0000000000444000-memory.dmp

              Filesize

              272KB

              Download

            • memory/5056-2363-0x0000000004430000-0x0000000004431000-memory.dmp

              Filesize

              4KB

              Download