amadey | 334098ff30d1c292da0dff623c7cfc3cab7c829ad696fce611c364c452b86c29

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	file.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	rovwer.exe

Loads dropped DLL 1 IoCs

pid	Process
4108	rundll32.exe

Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	rundll32.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{33697266-B579-4EB4-BE1C-BEA83B993AE2}.catalogItem	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{260E0321-0EEB-40F2-8D3B-6E7904B10496}.catalogItem	svchost.exe

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

System Information Discovery
T1082

Program crash 4 IoCs

pid	pid_target	Process	procid_target
4760	2228	WerFault.exe	74
260	4560	WerFault.exe	87
4656	1492	WerFault.exe	95
432	4544	WerFault.exe	106

Checks processor information in registry 2 TTPs 3 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	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	svchost.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
3976	schtasks.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	svchost.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	svchost.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4108	rundll32.exe
4108	rundll32.exe
4108	rundll32.exe
4108	rundll32.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2228 wrote to memory of 2408	2228	file.exe	75
PID 2228 wrote to memory of 2408	2228	file.exe	75
PID 2228 wrote to memory of 2408	2228	file.exe	75
PID 2408 wrote to memory of 3976	2408	rovwer.exe	78
PID 2408 wrote to memory of 3976	2408	rovwer.exe	78
PID 2408 wrote to memory of 3976	2408	rovwer.exe	78
PID 2408 wrote to memory of 4108	2408	rovwer.exe	93
PID 2408 wrote to memory of 4108	2408	rovwer.exe	93
PID 2408 wrote to memory of 4108	2408	rovwer.exe	93

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	rundll32.exe

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2228
- C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
  "C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe"
  2⤵
  - Executes dropped EXE
  - Checks computer location settings
  - Suspicious use of WriteProcessMemory
  PID:2408
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN rovwer.exe /TR "C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe" /F
    3⤵
    - Creates scheduled task(s)
    PID:3976
- - C:\Windows\SysWOW64\rundll32.exe
    "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\bf045808586a24\cred64.dll, Main
    3⤵
    - Blocklisted process makes network request
    - Loads dropped DLL
    - Accesses Microsoft Outlook profiles
    - Suspicious behavior: EnumeratesProcesses
    - outlook_win_path
    PID:4108
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2228 -s 900
  2⤵
  - Program crash
  PID:4760

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2228 -ip 2228
1⤵
PID:3080

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p
1⤵
- Drops file in System32 directory
- Checks processor information in registry
- Enumerates system info in registry
PID:5024

C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
1⤵
- Executes dropped EXE
PID:4560
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4560 -s 428
  2⤵
  - Program crash
  PID:260

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 4560 -ip 4560
1⤵
PID:4548

C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
1⤵
- Executes dropped EXE
PID:1492
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1492 -s 420
  2⤵
  - Program crash
  PID:4656

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 1492 -ip 1492
1⤵
PID:2964

C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
1⤵
- Executes dropped EXE
PID:4544
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4544 -s 420
  2⤵
  - Program crash
  PID:432

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 596 -p 4544 -ip 4544
1⤵
PID:4468

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

Persistence

Scheduled Task

Privilege Escalation

Scheduled Task

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

System Information Discovery