Analysis

  • max time kernel
    150s
  • max time network
    112s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250502-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250502-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/05/2025, 15:18

General

  • Target

    1.exe

  • Size

    434KB

  • MD5

    188aa2b0c254f454088aa765b6b2030a

  • SHA1

    9bae9a01368f4dba20c9ba2c09a986e6cf86a083

  • SHA256

    99067d26b7cc568c78e595aa1e0eed2e2f29a421612f0d30ddece76d1095acd5

  • SHA512

    8e1306df263c7562ac72c274acace34a307b159e7c83fd2cd612ac8a08b3bd7473a663e6e4de13220b1fcf1d4c4db574376a9ffede66cfbcca06479c0a174dfb

  • SSDEEP

    12288:IP2zDtZ+Te8iKLRkRXXxrdofYM3r3xRMZg5w1+B+:IP2L+TNKxheASNR4

Malware Config

Signatures

  • Modifies Windows Defender Real-time Protection settings 3 TTPs 2 IoCs
  • Disables use of System Restore points 1 TTPs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 2 IoCs
  • Drops desktop.ini file(s) 28 IoCs
  • Enumerates connected drives 3 TTPs 24 IoCs

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

  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
  • UPX packed file 6 IoCs

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

  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 10 IoCs

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

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Modifies Control Panel 3 IoCs
  • Modifies registry class 4 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 23 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs
  • System policy modification 1 TTPs 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1.exe
    "C:\Users\Admin\AppData\Local\Temp\1.exe"
    1⤵
    • Modifies Windows Defender Real-time Protection settings
    • Checks computer location settings
    • Drops startup file
    • Drops desktop.ini file(s)
    • Enumerates connected drives
    • Sets desktop wallpaper using registry
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Modifies Control Panel
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:5372
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c vssadmin Delete Shadows /All /Quiet
      2⤵
      • System Location Discovery: System Language Discovery
      PID:5040
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c bcdedit /set {default} recoveryenabled No
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4196
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c bcdedit /set {default} bootstatuspolicy ignoreallfailures
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4092
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c wmic SHADOWCOPY /nointeractive
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3476
      • C:\Windows\SysWOW64\Wbem\WMIC.exe
        wmic SHADOWCOPY /nointeractive
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:5420
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c for /F "tokens = *" %1 in ('wevtutil.exe el') DO wevtutil.exe cl "%1"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4316
    • C:\Windows\SysWOW64\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\Program Files\dotnet\#HowToRecover.txt
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3112
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" (/c ping 127.0.0.1 -n 5 > nul & del "C:\Users\Admin\AppData\Local\Temp\1.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:1436
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 5
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:5504

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\PerfLogs\#HowToRecover.txt

          Filesize

          608B

          MD5

          65aa265fdd130539d06c1058297be2fd

          SHA1

          f1bec6fed783a32d3ff263870dc8a0375276631b

          SHA256

          6ff0ae3d3e1ff25b063d5fd40b5c78d2c598203d6965a3accd360890911c3b78

          SHA512

          570ef02d882b2d2556ab92d5bd7f4a2a64aa3aefbde7dcbed7c4618d96350fd88a28ba2e5f94921a4523ee0722c1b823173c8c172790afa80da8782a4f4e9021

        • memory/5372-0-0x0000000000260000-0x0000000000389000-memory.dmp

          Filesize

          1.2MB

        • memory/5372-9106-0x0000000000260000-0x0000000000389000-memory.dmp

          Filesize

          1.2MB

        • memory/5372-9135-0x0000000000260000-0x0000000000389000-memory.dmp

          Filesize

          1.2MB

        • memory/5372-14852-0x0000000000260000-0x0000000000389000-memory.dmp

          Filesize

          1.2MB

        • memory/5372-14853-0x0000000000260000-0x0000000000389000-memory.dmp

          Filesize

          1.2MB

        • memory/5372-14859-0x0000000000260000-0x0000000000389000-memory.dmp

          Filesize

          1.2MB