Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240419-en
  • resource tags

    arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    29-04-2024 16:38

General

  • Target

    bsod.bat

  • Size

    5KB

  • MD5

    21b0fedde7a4eecc4db3a5e7f867e9af

  • SHA1

    0e4f272b861b0fb5e0a665b1e985f49f596a80e0

  • SHA256

    fc760c67dfe939989f0d83fdb2deef71db40e4a552ab558c96e79561756ada35

  • SHA512

    213e0b7a7346416422618145bbb458f2f6ea962f608e14bfa21e4403d025f7ea4252c192453734f58df46d0b48f91993c2778bc922990b1e66cd23ece03a8f0d

  • SSDEEP

    96:zw6Q+I7lvQcbP6RbhoYEt8H2ZXAGOks+ELAuqrDUccLrD1g:TG4elgccL3S

Score
7/10

Malware Config

Signatures

  • Modifies file permissions 1 TTPs 4 IoCs
  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 40 IoCs
  • Kills process with taskkill 2 IoCs
  • Modifies data under HKEY_USERS 64 IoCs
  • Suspicious behavior: LoadsDriver 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\bsod.bat"
    1⤵
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:4660
    • C:\Windows\system32\takeown.exe
      takeown /f C:\users\
      2⤵
      • Modifies file permissions
      PID:3224
    • C:\Windows\system32\takeown.exe
      takeown /f C:\
      2⤵
      • Modifies file permissions
      PID:3368
    • C:\Windows\system32\takeown.exe
      takeown /f C:\windows\
      2⤵
      • Modifies file permissions
      • Suspicious use of AdjustPrivilegeToken
      PID:3588
    • C:\Windows\system32\takeown.exe
      takeown /f C:\programdata\
      2⤵
      • Modifies file permissions
      PID:4036
    • C:\Windows\system32\taskkill.exe
      taskkill /f /im explorer.exe
      2⤵
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:2900
    • C:\Windows\system32\taskkill.exe
      taskkill /f /im dwm.exe
      2⤵
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:3440
  • C:\Windows\system32\dwm.exe
    "dwm.exe"
    1⤵
    • Modifies data under HKEY_USERS
    • Suspicious use of AdjustPrivilegeToken
    PID:4352
  • C:\Windows\system32\dwm.exe
    "dwm.exe"
    1⤵
    • Modifies data under HKEY_USERS
    • Suspicious use of AdjustPrivilegeToken
    PID:3168
  • C:\Windows\system32\dwm.exe
    "dwm.exe"
    1⤵
    • Modifies data under HKEY_USERS
    • Suspicious use of AdjustPrivilegeToken
    PID:836
  • C:\Windows\system32\dwm.exe
    "dwm.exe"
    1⤵
    • Modifies data under HKEY_USERS
    • Suspicious use of AdjustPrivilegeToken
    PID:2972
  • C:\Windows\system32\dwm.exe
    "dwm.exe"
    1⤵
    • Modifies data under HKEY_USERS
    • Suspicious use of AdjustPrivilegeToken
    PID:900
  • C:\Windows\system32\dwm.exe
    "dwm.exe"
    1⤵
    • Modifies data under HKEY_USERS
    • Suspicious use of AdjustPrivilegeToken
    PID:4912
  • C:\Windows\system32\dwm.exe
    "dwm.exe"
    1⤵
    • Modifies data under HKEY_USERS
    • Suspicious use of AdjustPrivilegeToken
    PID:3360
  • C:\Windows\system32\dwm.exe
    "dwm.exe"
    1⤵
    • Modifies data under HKEY_USERS
    • Suspicious use of AdjustPrivilegeToken
    PID:1640
  • C:\Windows\system32\LogonUI.exe
    "LogonUI.exe" /flags:0x0 /state0:0xa3a1f855 /state1:0x41c64e6d
    1⤵
    • Modifies data under HKEY_USERS
    • Suspicious use of SetWindowsHookEx
    PID:3700
  • C:\Windows\system32\wbem\WMIADAP.EXE
    wmiadap.exe /R /T
    1⤵
    • Drops file in System32 directory
    PID:4508

Network

MITRE ATT&CK Enterprise v15

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