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Overview

overview

10

Static

static

da36f22d5e...5f.exe

windows7_x64

10

da36f22d5e...5f.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    166s
  • max time network
    192s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    11/02/2022, 06:29

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General

  • Target

    da36f22d5e3df8dd836dbbd71989f721d9b1feb751552a8d181ee22ceea0365f.exe

  • Size

    53KB

  • MD5

    131bbc0b13531f2115cd7b1b3f48fc28

  • SHA1

    999a9d44da103a63ae072784af080f1b2c718fdf

  • SHA256

    da36f22d5e3df8dd836dbbd71989f721d9b1feb751552a8d181ee22ceea0365f

  • SHA512

    c5f7693370deca2542c5d212f3748251db6870009d5319b81a21b958afa10e2c8003ef847aedd6a9089696bf27a5f6397dbb442aad9a7ea662f8743dd13a0e7b

Score
10/10
globeimposterpersistenceransomware

Malware Config

Signatures

  • GlobeImposter

    GlobeImposter is a ransomware first seen in 2017.

    ransomwareglobeimposter
  • Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs
  • Modifies extensions of user files 2 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 7 IoCs
  • Program crash 1 IoCs
  • Checks processor information in registry 2 TTPs 3 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 49 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 9 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\da36f22d5e3df8dd836dbbd71989f721d9b1feb751552a8d181ee22ceea0365f.exe
    "C:\Users\Admin\AppData\Local\Temp\da36f22d5e3df8dd836dbbd71989f721d9b1feb751552a8d181ee22ceea0365f.exe"
    1⤵
    • Modifies extensions of user files
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    PID:3948
  • 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:2164
  • 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:3392
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 3392 -s 4756
      2⤵
      • Program crash
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:3628
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k netsvcs -p -s BITS
    1⤵
    • Modifies data under HKEY_USERS
    PID:360
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k appmodel -p -s camsvc
    1⤵
      PID:5060
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -pss -s 424 -p 3392 -ip 3392
      1⤵
      • Suspicious use of NtCreateProcessExOtherParentProcess
      • Suspicious use of WriteProcessMemory
      PID:4844
    • C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe
      C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding
      1⤵
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      PID:712
    • 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:3216
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -pss -s 532 -p 3216 -ip 3216
      1⤵
        PID:4572

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

      • memory/360-136-0x000001844ECE0000-0x000001844ECE4000-memory.dmp

        Filesize

        16KB

        Download

      • memory/2164-130-0x0000019470760000-0x0000019470770000-memory.dmp

        Filesize

        64KB

        Download

      • memory/2164-131-0x0000019470D20000-0x0000019470D30000-memory.dmp

        Filesize

        64KB

        Download

      • memory/2164-132-0x00000194733B0000-0x00000194733B4000-memory.dmp

        Filesize

        16KB

        Download