isrstealer | f16bba5611c925cf12c428b437df35899ed1874f0c95f6180e99679f503a3e40

System Information Discovery

Processes:

FaceDominator.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation	FaceDominator.exe

Executes dropped EXE 3 IoCs

Processes:

Service.exeService.exeFaceDominator-1.exe

pid process

4288 Service.exe
1924 Service.exe
1892 FaceDominator-1.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
T1552.001

pid	process
4288	Service.exe
1924	Service.exe
1892	FaceDominator-1.exe

UPX packed file 6 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral2/memory/1924-14-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1924-23-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1924-20-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1924-19-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1924-18-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1924-17-0x0000000000400000-0x0000000000453000-memory.dmp	upx

Suspicious use of SetThreadContext 2 IoCs

Processes:

FaceDominator.exeService.exe

description	pid	process	target process
PID 1400 set thread context of 4288	1400	FaceDominator.exe	Service.exe
PID 4288 set thread context of 1924	4288	Service.exe	Service.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

FaceDominator.exeService.exeService.exeFaceDominator-1.exedw20.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	FaceDominator.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Service.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Service.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	FaceDominator-1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dw20.exe

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

Processes:

dw20.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	dw20.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	dw20.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

System Information Discovery

Processes:

dw20.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	dw20.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

dw20.exe

description	pid	process
Token: SeRestorePrivilege	3564	dw20.exe
Token: SeBackupPrivilege	3564	dw20.exe
Token: SeBackupPrivilege	3564	dw20.exe
Token: SeBackupPrivilege	3564	dw20.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Service.exe

pid process

4288 Service.exe

pid	process
4288	Service.exe

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

FaceDominator.exeService.exeFaceDominator-1.exe

description	pid	process	target process
PID 1400 wrote to memory of 4288	1400	FaceDominator.exe	Service.exe
PID 1400 wrote to memory of 4288	1400	FaceDominator.exe	Service.exe
PID 1400 wrote to memory of 4288	1400	FaceDominator.exe	Service.exe
PID 1400 wrote to memory of 4288	1400	FaceDominator.exe	Service.exe
PID 1400 wrote to memory of 4288	1400	FaceDominator.exe	Service.exe
PID 1400 wrote to memory of 4288	1400	FaceDominator.exe	Service.exe
PID 1400 wrote to memory of 4288	1400	FaceDominator.exe	Service.exe
PID 1400 wrote to memory of 4288	1400	FaceDominator.exe	Service.exe
PID 4288 wrote to memory of 1924	4288	Service.exe	Service.exe
PID 4288 wrote to memory of 1924	4288	Service.exe	Service.exe
PID 4288 wrote to memory of 1924	4288	Service.exe	Service.exe
PID 4288 wrote to memory of 1924	4288	Service.exe	Service.exe
PID 4288 wrote to memory of 1924	4288	Service.exe	Service.exe
PID 4288 wrote to memory of 1924	4288	Service.exe	Service.exe
PID 4288 wrote to memory of 1924	4288	Service.exe	Service.exe
PID 4288 wrote to memory of 1924	4288	Service.exe	Service.exe
PID 1400 wrote to memory of 1892	1400	FaceDominator.exe	FaceDominator-1.exe
PID 1400 wrote to memory of 1892	1400	FaceDominator.exe	FaceDominator-1.exe
PID 1400 wrote to memory of 1892	1400	FaceDominator.exe	FaceDominator-1.exe
PID 1892 wrote to memory of 3564	1892	FaceDominator-1.exe	dw20.exe
PID 1892 wrote to memory of 3564	1892	FaceDominator-1.exe	dw20.exe
PID 1892 wrote to memory of 3564	1892	FaceDominator-1.exe	dw20.exe

C:\Users\Admin\AppData\Local\Temp\FaceDominator.exe
"C:\Users\Admin\AppData\Local\Temp\FaceDominator.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1400
- C:\Users\Admin\AppData\Local\Temp\plugtemp\Service.exe
  C:\Users\Admin\AppData\Local\Temp\\plugtemp\Service.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4288
- - C:\Users\Admin\AppData\Local\Temp\plugtemp\Service.exe
    /scomma "C:\Users\Admin\AppData\Local\Temp\kAv2KT955d.ini"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:1924
- C:\Users\Admin\AppData\Local\Temp\FaceDominator-1.exe
  "C:\Users\Admin\AppData\Local\Temp\FaceDominator-1.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1892
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
    dw20.exe -x -s 832
    3⤵
    - System Location Discovery: System Language Discovery
    - Checks processor information in registry
    - Enumerates system info in registry
    - Suspicious use of AdjustPrivilegeToken
    PID:3564

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

3

System Information Discovery

4

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System