Overview

overview

10

Static

static

4759be5428...af.exe

windows7_x64

10

4759be5428...af.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    174s
  • max time network
    196s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    11/02/2022, 06:59

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General

  • Target
    4759be54283e3872976bdf7de26d104a80accea27a437c4a63b062ec6df818af.exe
  • Size 55KB
  • Sample220211-hsfh1scaf9
  • SHA256 4759be54283e3872976bdf7de26d104a80accea27a437c4a63b062ec6df818af
  • MD5 SHA1 SHA512
Score
10/10
globeimposterpersistenceransomware

Malware Config

Signatures

  • GlobeImposter

    GlobeImposter is a ransomware first seen in 2017.

    ransomwareglobeimposter
  • Suspicious use of NtCreateProcessExOtherParentProcess 4 IoCs
  • Modifies extensions of user files 3 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Drops desktop.ini file(s) 21 IoCs
  • Drops file in Windows directory 6 IoCs
  • Program crash 3 IoCs
  • Checks processor information in registry 2 TTPs 9 IoCs

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

  • Enumerates system info in registry 2 TTPs 14 IoCs
  • Modifies data under HKEY_USERS 1 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4759be54283e3872976bdf7de26d104a80accea27a437c4a63b062ec6df818af.exe
    "C:\Users\Admin\AppData\Local\Temp\4759be54283e3872976bdf7de26d104a80accea27a437c4a63b062ec6df818af.exe"
    1⤵
    • Modifies extensions of user files
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    PID:4780
  • 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 SetWindowsHookEx
    PID:4276
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 4276 -s 4680
      2⤵
      • Program crash
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:4540
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k netsvcs -p -s BITS
    1⤵
    • Modifies data under HKEY_USERS
    PID:4968
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k appmodel -p -s camsvc
    1⤵
      PID:2356
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -pss -s 408 -p 4276 -ip 4276
      1⤵
      • Suspicious use of NtCreateProcessExOtherParentProcess
      • Suspicious use of WriteProcessMemory
      PID:3732
    • 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 SetWindowsHookEx
      PID:3752
      • C:\Windows\system32\WerFault.exe
        C:\Windows\system32\WerFault.exe -u -p 3752 -s 3892
        2⤵
        • Program crash
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious behavior: EnumeratesProcesses
        PID:4456
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -pss -s 472 -p 3752 -ip 3752
      1⤵
      • Suspicious use of NtCreateProcessExOtherParentProcess
      • Suspicious use of WriteProcessMemory
      PID:4068
    • 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:4848
    • 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 SetWindowsHookEx
      PID:2624
      • C:\Windows\system32\WerFault.exe
        C:\Windows\system32\WerFault.exe -u -p 2624 -s 3900
        2⤵
        • Program crash
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious behavior: EnumeratesProcesses
        PID:960
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -pss -s 472 -p 2624 -ip 2624
      1⤵
      • Suspicious use of NtCreateProcessExOtherParentProcess
      • Suspicious use of WriteProcessMemory
      PID:3336
    • 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 SetWindowsHookEx
      PID:676
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -pss -s 520 -p 676 -ip 676
      1⤵
      • Suspicious use of NtCreateProcessExOtherParentProcess
      • Suspicious use of WriteProcessMemory
      PID:2172

    Network

          MITRE ATT&CK Enterprise v6

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          Downloads

          memory/4848-151-0x000001C784F10000-0x000001C784F14000-memory.dmp
          Download

          memory/4968-130-0x0000026D04160000-0x0000026D04170000-memory.dmp
          Download

          memory/4968-131-0x0000026D041C0000-0x0000026D041D0000-memory.dmp
          Download

          memory/4968-139-0x0000026D04580000-0x0000026D04584000-memory.dmp
          Download