Analysis

  • max time kernel
    179s
  • max time network
    189s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    11-02-2022 06:28

General

  • Target

    db3ae704e4ea31b79ad7859acfdd0f2c876aaecac3182af2cd64d9108c2d8525.exe

  • Size

    54KB

  • MD5

    5a5e32203cf8eee1b7e9125b1c97ed94

  • SHA1

    7cd7f7d35abb1bd79cc85db99ff3238ea28c3ef4

  • SHA256

    db3ae704e4ea31b79ad7859acfdd0f2c876aaecac3182af2cd64d9108c2d8525

  • SHA512

    3fe266ff6ed79eef7a5e857d167833bd3b03cda165298066acc9afbf0641d533083c281a07775e2017e5659ba1343daf721e9fdc81021052ca93ed1b5f0cd941

Malware Config

Signatures

  • GlobeImposter

    GlobeImposter is a ransomware first seen in 2017.

  • Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs
  • Modifies extensions of user files 9 IoCs

    Ransomware generally changes the extension on encrypted files.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops desktop.ini file(s) 23 IoCs
  • Drops file in Windows directory 6 IoCs
  • Program crash 2 IoCs
  • Checks processor information in registry 2 TTPs 6 IoCs

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

  • Enumerates system info in registry 2 TTPs 6 IoCs
  • Modifies data under HKEY_USERS 1 IoCs
  • Modifies registry class 30 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 12 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\db3ae704e4ea31b79ad7859acfdd0f2c876aaecac3182af2cd64d9108c2d8525.exe
    "C:\Users\Admin\AppData\Local\Temp\db3ae704e4ea31b79ad7859acfdd0f2c876aaecac3182af2cd64d9108c2d8525.exe"
    1⤵
    • Modifies extensions of user files
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    • Suspicious behavior: EnumeratesProcesses
    PID:2700
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    PID:2712
  • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
    "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
    1⤵
    • Enumerates system info in registry
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3788
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 3788 -s 4488
      2⤵
      • Program crash
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:2424
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 3788 -s 4488
      2⤵
      • Program crash
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:4524
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k netsvcs -p -s BITS
    1⤵
    • Modifies data under HKEY_USERS
    PID:3572
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k appmodel -p -s camsvc
    1⤵
      PID:4632
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -pss -s 408 -p 3788 -ip 3788
      1⤵
      • Suspicious use of NtCreateProcessExOtherParentProcess
      • Suspicious use of WriteProcessMemory
      PID:4388

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • memory/2712-130-0x00000217881A0000-0x00000217881B0000-memory.dmp

      Filesize

      64KB

    • memory/2712-131-0x0000021788960000-0x0000021788970000-memory.dmp

      Filesize

      64KB

    • memory/2712-132-0x000002178B580000-0x000002178B584000-memory.dmp

      Filesize

      16KB

    • memory/3572-142-0x00000229A0ED0000-0x00000229A0ED4000-memory.dmp

      Filesize

      16KB