masslogger | ef14c04357ab1b9fabd4f11d838b55dea45d9a900d4f0292b53150410d0e2677

System Information Discovery

Processes:

mpUN2haQz3Hh396.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	mpUN2haQz3Hh396.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	mpUN2haQz3Hh396.exe

Checks computer location settings 2 TTPs 1 IoCs

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

Query Registry

System Information Discovery

Processes:

mpUN2haQz3Hh396.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation	mpUN2haQz3Hh396.exe

Accesses Microsoft Outlook profiles 1 TTPs 18 IoCs

collection

Email Collection

T1114

Processes:

mpUN2haQz3Hh396.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	mpUN2haQz3Hh396.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	mpUN2haQz3Hh396.exe
Key queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	mpUN2haQz3Hh396.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	mpUN2haQz3Hh396.exe
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	mpUN2haQz3Hh396.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	mpUN2haQz3Hh396.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	mpUN2haQz3Hh396.exe
Key queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook	mpUN2haQz3Hh396.exe
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	mpUN2haQz3Hh396.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	mpUN2haQz3Hh396.exe
Key queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	mpUN2haQz3Hh396.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	mpUN2haQz3Hh396.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook	mpUN2haQz3Hh396.exe
Key queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook	mpUN2haQz3Hh396.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook	mpUN2haQz3Hh396.exe
Key queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	mpUN2haQz3Hh396.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	mpUN2haQz3Hh396.exe
Key queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	mpUN2haQz3Hh396.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.

Processes:

flow ioc

58 api.ipify.org

flow	ioc
58	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

Processes:

mpUN2haQz3Hh396.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	mpUN2haQz3Hh396.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	mpUN2haQz3Hh396.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

mpUN2haQz3Hh396.exe

description pid process target process

PID 1156 set thread context of 4356 1156 mpUN2haQz3Hh396.exe mpUN2haQz3Hh396.exe
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
T1053

Processes:

schtasks.exe

pid process

3636 schtasks.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

mpUN2haQz3Hh396.exe

pid process

4356 mpUN2haQz3Hh396.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

mpUN2haQz3Hh396.exe

pid process

4356 mpUN2haQz3Hh396.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

mpUN2haQz3Hh396.exe

description pid process

Token: SeDebugPrivilege 4356 mpUN2haQz3Hh396.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

mpUN2haQz3Hh396.exe

pid process

4356 mpUN2haQz3Hh396.exe

description	pid	process	target process
PID 1156 set thread context of 4356	1156	mpUN2haQz3Hh396.exe	mpUN2haQz3Hh396.exe

pid	process
3636	schtasks.exe

pid	process
4356	mpUN2haQz3Hh396.exe

pid	process
4356	mpUN2haQz3Hh396.exe

description	pid	process
Token: SeDebugPrivilege	4356	mpUN2haQz3Hh396.exe

pid	process
4356	mpUN2haQz3Hh396.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

mpUN2haQz3Hh396.exe

description	pid	process	target process
PID 1156 wrote to memory of 3636	1156	mpUN2haQz3Hh396.exe	schtasks.exe
PID 1156 wrote to memory of 3636	1156	mpUN2haQz3Hh396.exe	schtasks.exe
PID 1156 wrote to memory of 3636	1156	mpUN2haQz3Hh396.exe	schtasks.exe
PID 1156 wrote to memory of 4356	1156	mpUN2haQz3Hh396.exe	mpUN2haQz3Hh396.exe
PID 1156 wrote to memory of 4356	1156	mpUN2haQz3Hh396.exe	mpUN2haQz3Hh396.exe
PID 1156 wrote to memory of 4356	1156	mpUN2haQz3Hh396.exe	mpUN2haQz3Hh396.exe
PID 1156 wrote to memory of 4356	1156	mpUN2haQz3Hh396.exe	mpUN2haQz3Hh396.exe
PID 1156 wrote to memory of 4356	1156	mpUN2haQz3Hh396.exe	mpUN2haQz3Hh396.exe
PID 1156 wrote to memory of 4356	1156	mpUN2haQz3Hh396.exe	mpUN2haQz3Hh396.exe
PID 1156 wrote to memory of 4356	1156	mpUN2haQz3Hh396.exe	mpUN2haQz3Hh396.exe
PID 1156 wrote to memory of 4356	1156	mpUN2haQz3Hh396.exe	mpUN2haQz3Hh396.exe

outlook_office_path 1 IoCs

Processes:

mpUN2haQz3Hh396.exe

description	ioc	process
Key queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	mpUN2haQz3Hh396.exe

outlook_win_path 1 IoCs

Processes:

mpUN2haQz3Hh396.exe

description	ioc	process
Key queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	mpUN2haQz3Hh396.exe

C:\Users\Admin\AppData\Local\Temp\mpUN2haQz3Hh396.exe
"C:\Users\Admin\AppData\Local\Temp\mpUN2haQz3Hh396.exe"
1⤵
- Checks BIOS information in registry
- Checks computer location settings
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1156

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\PdNcIoxjxwGkp" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5A07.tmp"
2⤵
- Creates scheduled task(s)
PID:3636

C:\Users\Admin\AppData\Local\Temp\mpUN2haQz3Hh396.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:4356

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Virtualization/Sandbox Evasion

2

T1497

Credential Access

Discovery

Query Registry

5

Virtualization/Sandbox Evasion

2

T1497

System Information Discovery

4

Peripheral Device Discovery

T1120

Lateral Movement

Collection

Email Collection