Analysis

  • max time kernel
    20s
  • platform
    windows11-21h2_x64
  • resource
    win11-20250502-en
  • resource tags

    arch:x64arch:x86image:win11-20250502-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    03/05/2025, 15:16

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
  • Drops startup file 2 IoCs
  • Drops desktop.ini file(s) 27 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 4 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 8 IoCs

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

  • Modifies Control Panel 3 IoCs
  • Modifies registry class 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 23 IoCs
  • Suspicious use of WriteProcessMemory 21 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
    • 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:976
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c vssadmin Delete Shadows /All /Quiet
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1160
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c bcdedit /set {default} recoveryenabled No
      2⤵
      • System Location Discovery: System Language Discovery
      PID:5384
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c bcdedit /set {default} bootstatuspolicy ignoreallfailures
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2880
    • 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:2180
      • C:\Windows\SysWOW64\Wbem\WMIC.exe
        wmic SHADOWCOPY /nointeractive
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:5072
    • 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:5708
    • C:\Windows\SysWOW64\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\Program Files\dotnet\#HowToRecover.txt
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2972

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        • C:\PerfLogs\#HowToRecover.txt

          Filesize

          608B

          MD5

          b5b56eeb1cf7e1eb65e5084fd083c7d7

          SHA1

          8de0e9ef629fa5ddba0cc76c5cadc202590afbfc

          SHA256

          9d60b219f17876d4913c48a05600b29c3f2cf47926392fb17a022ac3f3f3845b

          SHA512

          33c16606e0fc517eee796deae01b036de8312f7510434681a24dc3de7c08f51870546800a481fe6d36dd478b6b3f2943ac263f5fac40c97964a1c4333f08c1f6

        • C:\Program Files\WindowsApps\Microsoft.ZuneVideo_10.21012.10511.0_x64__8wekyb3d8bbwe\microsoft.system.package.metadata\6foV69LVg9.1cxz

          Filesize

          103KB

          MD5

          7c26043d951fb440a1b10ed16c4890db

          SHA1

          686354a823c522881eb442f4e9573991ba5d025d

          SHA256

          a1bf9e88ddccb021b8a6219f1585677fd08df0dee5aca3a39297aefcc3d71a19

          SHA512

          508eb08c1de88beedd652b81a02a1d55bfcd39a7308de255e2aa7954f86b22cbb1f9d574d1fbcebfcac75b4d4d9495659032a60a5f1c226e043ecdb558c6d1f5

        • memory/976-0-0x00000000005E0000-0x0000000000709000-memory.dmp

          Filesize

          1.2MB

        • memory/976-8846-0x00000000005E0000-0x0000000000709000-memory.dmp

          Filesize

          1.2MB

        • memory/976-8876-0x00000000005E0000-0x0000000000709000-memory.dmp

          Filesize

          1.2MB

        • memory/976-14769-0x00000000005E0000-0x0000000000709000-memory.dmp

          Filesize

          1.2MB