masslogger | b62f38d60a4f53da440dbccf7c6de49d995260118a36b820fab0d8924108b96d

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	INVOICE USA LIST.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	INVOICE USA LIST.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Control Panel\International\Geo\Nation	INVOICE USA LIST.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Accesses Microsoft Outlook profiles 1 TTPs 15 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INVOICE USA LIST.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INVOICE USA LIST.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	INVOICE USA LIST.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INVOICE USA LIST.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	INVOICE USA LIST.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	INVOICE USA LIST.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INVOICE USA LIST.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	INVOICE USA LIST.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INVOICE USA LIST.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INVOICE USA LIST.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	INVOICE USA LIST.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INVOICE USA LIST.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INVOICE USA LIST.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	INVOICE USA LIST.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INVOICE USA LIST.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
4	api.ipify.org

Maps connected drives based on registry 3 TTPs 2 IoCs

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

Query Registry

Peripheral Device Discovery

T1120

System Information Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	INVOICE USA LIST.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	INVOICE USA LIST.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1920 set thread context of 592	1920	INVOICE USA LIST.exe	30

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

System Information Discovery
T1082

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
628	schtasks.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
592	INVOICE USA LIST.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1920	INVOICE USA LIST.exe
592	INVOICE USA LIST.exe
592	INVOICE USA LIST.exe
772	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1920	INVOICE USA LIST.exe
Token: SeDebugPrivilege	592	INVOICE USA LIST.exe
Token: SeDebugPrivilege	772	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
592	INVOICE USA LIST.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1920 wrote to memory of 628	1920	INVOICE USA LIST.exe	28
PID 1920 wrote to memory of 628	1920	INVOICE USA LIST.exe	28
PID 1920 wrote to memory of 628	1920	INVOICE USA LIST.exe	28
PID 1920 wrote to memory of 628	1920	INVOICE USA LIST.exe	28
PID 1920 wrote to memory of 592	1920	INVOICE USA LIST.exe	30
PID 1920 wrote to memory of 592	1920	INVOICE USA LIST.exe	30
PID 1920 wrote to memory of 592	1920	INVOICE USA LIST.exe	30
PID 1920 wrote to memory of 592	1920	INVOICE USA LIST.exe	30
PID 1920 wrote to memory of 592	1920	INVOICE USA LIST.exe	30
PID 1920 wrote to memory of 592	1920	INVOICE USA LIST.exe	30
PID 1920 wrote to memory of 592	1920	INVOICE USA LIST.exe	30
PID 1920 wrote to memory of 592	1920	INVOICE USA LIST.exe	30
PID 1920 wrote to memory of 592	1920	INVOICE USA LIST.exe	30
PID 592 wrote to memory of 1568	592	INVOICE USA LIST.exe	31
PID 592 wrote to memory of 1568	592	INVOICE USA LIST.exe	31
PID 592 wrote to memory of 1568	592	INVOICE USA LIST.exe	31
PID 592 wrote to memory of 1568	592	INVOICE USA LIST.exe	31
PID 1568 wrote to memory of 772	1568	cmd.exe	33
PID 1568 wrote to memory of 772	1568	cmd.exe	33
PID 1568 wrote to memory of 772	1568	cmd.exe	33
PID 1568 wrote to memory of 772	1568	cmd.exe	33

outlook_office_path 1 IoCs

description	ioc	Process
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INVOICE USA LIST.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INVOICE USA LIST.exe

C:\Users\Admin\AppData\Local\Temp\INVOICE USA LIST.exe
"C:\Users\Admin\AppData\Local\Temp\INVOICE USA LIST.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1920
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YpbouUnhoFq" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB8D5.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:628
- C:\Users\Admin\AppData\Local\Temp\INVOICE USA LIST.exe
  "{path}"
  2⤵
  - Checks computer location settings
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: AddClipboardFormatListener
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  - outlook_office_path
  - outlook_win_path
  PID:592
- - C:\Windows\SysWOW64\cmd.exe
    "cmd" /c start /b powershell Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\INVOICE USA LIST.exe' & exit
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1568
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\INVOICE USA LIST.exe'
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:772

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

Persistence

Hidden Files and Directories

T1158

Scheduled Task

Privilege Escalation

Scheduled Task

Defense Evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

Virtualization/Sandbox Evasion

T1497

Credential Access

Credentials in Files

T1081

Discovery

Peripheral Device Discovery

T1120

Query Registry

System Information Discovery