formbook | 3794a970aaf5b516a68ee78ca115981e289fb0af575d53c02efd860ef9a40d2a

System Information Discovery

Processes:

comand_ nou_.exe

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

comand_ nou_.exe

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

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

cmstp.exe

description	ioc	process
Key created	\Registry\Machine\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	cmstp.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\T8TPGJT06Z = "C:\\Program Files (x86)\\Izbylj6ix\\8potixchlv1dx.exe"	cmstp.exe

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:

comand_ nou_.exe

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

Suspicious use of SetThreadContext 4 IoCs

Processes:

comand_ nou_.exeRegSvcs.execmstp.exe

description	pid	process	target process
PID 3104 set thread context of 4216	3104	comand_ nou_.exe	RegSvcs.exe
PID 4216 set thread context of 3152	4216	RegSvcs.exe	Explorer.EXE
PID 4216 set thread context of 3152	4216	RegSvcs.exe	Explorer.EXE
PID 3340 set thread context of 3152	3340	cmstp.exe	Explorer.EXE

Drops file in Program Files directory 1 IoCs

Processes:

cmstp.exe

description ioc process

File opened for modification C:\Program Files (x86)\Izbylj6ix\8potixchlv1dx.exe cmstp.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

4540 schtasks.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Izbylj6ix\8potixchlv1dx.exe	cmstp.exe

pid	process
4540	schtasks.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

cmstp.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	cmstp.exe

Suspicious behavior: EnumeratesProcesses 45 IoCs

Processes:

comand_ nou_.exeRegSvcs.execmstp.exe

pid	process
3104	comand_ nou_.exe
3104	comand_ nou_.exe
3104	comand_ nou_.exe
3104	comand_ nou_.exe
3104	comand_ nou_.exe
3104	comand_ nou_.exe
3104	comand_ nou_.exe
3104	comand_ nou_.exe
3104	comand_ nou_.exe
4216	RegSvcs.exe
4216	RegSvcs.exe
4216	RegSvcs.exe
4216	RegSvcs.exe
4216	RegSvcs.exe
4216	RegSvcs.exe
3340	cmstp.exe
3340	cmstp.exe
3340	cmstp.exe
3340	cmstp.exe
3340	cmstp.exe
3340	cmstp.exe
3340	cmstp.exe
3340	cmstp.exe
3340	cmstp.exe
3340	cmstp.exe
3340	cmstp.exe
3340	cmstp.exe
3340	cmstp.exe
3340	cmstp.exe
3340	cmstp.exe
3340	cmstp.exe
3340	cmstp.exe
3340	cmstp.exe
3340	cmstp.exe
3340	cmstp.exe
3340	cmstp.exe
3340	cmstp.exe
3340	cmstp.exe
3340	cmstp.exe
3340	cmstp.exe
3340	cmstp.exe
3340	cmstp.exe
3340	cmstp.exe
3340	cmstp.exe
3340	cmstp.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3152 Explorer.EXE
Suspicious behavior: MapViewOfSection 8 IoCs

Processes:

RegSvcs.execmstp.exe

pid process

4216 RegSvcs.exe
4216 RegSvcs.exe
4216 RegSvcs.exe
4216 RegSvcs.exe
3340 cmstp.exe
3340 cmstp.exe
3340 cmstp.exe
3340 cmstp.exe

pid	process
3152	Explorer.EXE

pid	process
4216	RegSvcs.exe
4216	RegSvcs.exe
4216	RegSvcs.exe
4216	RegSvcs.exe
3340	cmstp.exe
3340	cmstp.exe
3340	cmstp.exe
3340	cmstp.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

Processes:

comand_ nou_.exeRegSvcs.execmstp.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	3104	comand_ nou_.exe
Token: SeDebugPrivilege	4216	RegSvcs.exe
Token: SeDebugPrivilege	3340	cmstp.exe
Token: SeShutdownPrivilege	3152	Explorer.EXE
Token: SeCreatePagefilePrivilege	3152	Explorer.EXE
Token: SeShutdownPrivilege	3152	Explorer.EXE
Token: SeCreatePagefilePrivilege	3152	Explorer.EXE

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

comand_ nou_.exeExplorer.EXEcmstp.exe

description	pid	process	target process
PID 3104 wrote to memory of 4540	3104	comand_ nou_.exe	schtasks.exe
PID 3104 wrote to memory of 4540	3104	comand_ nou_.exe	schtasks.exe
PID 3104 wrote to memory of 4540	3104	comand_ nou_.exe	schtasks.exe
PID 3104 wrote to memory of 4400	3104	comand_ nou_.exe	RegSvcs.exe
PID 3104 wrote to memory of 4400	3104	comand_ nou_.exe	RegSvcs.exe
PID 3104 wrote to memory of 4400	3104	comand_ nou_.exe	RegSvcs.exe
PID 3104 wrote to memory of 4216	3104	comand_ nou_.exe	RegSvcs.exe
PID 3104 wrote to memory of 4216	3104	comand_ nou_.exe	RegSvcs.exe
PID 3104 wrote to memory of 4216	3104	comand_ nou_.exe	RegSvcs.exe
PID 3104 wrote to memory of 4216	3104	comand_ nou_.exe	RegSvcs.exe
PID 3104 wrote to memory of 4216	3104	comand_ nou_.exe	RegSvcs.exe
PID 3104 wrote to memory of 4216	3104	comand_ nou_.exe	RegSvcs.exe
PID 3152 wrote to memory of 3340	3152	Explorer.EXE	cmstp.exe
PID 3152 wrote to memory of 3340	3152	Explorer.EXE	cmstp.exe
PID 3152 wrote to memory of 3340	3152	Explorer.EXE	cmstp.exe
PID 3340 wrote to memory of 1472	3340	cmstp.exe	cmd.exe
PID 3340 wrote to memory of 1472	3340	cmstp.exe	cmd.exe
PID 3340 wrote to memory of 1472	3340	cmstp.exe	cmd.exe
PID 3340 wrote to memory of 1948	3340	cmstp.exe	cmd.exe
PID 3340 wrote to memory of 1948	3340	cmstp.exe	cmd.exe
PID 3340 wrote to memory of 1948	3340	cmstp.exe	cmd.exe
PID 3340 wrote to memory of 2308	3340	cmstp.exe	Firefox.exe
PID 3340 wrote to memory of 2308	3340	cmstp.exe	Firefox.exe
PID 3340 wrote to memory of 2308	3340	cmstp.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3152

C:\Users\Admin\AppData\Local\Temp\comand_ nou_.exe
"C:\Users\Admin\AppData\Local\Temp\comand_ nou_.exe"
2⤵
- Checks BIOS information in registry
- Checks computer location settings
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3104

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\AQEsxrUdj" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAB72.tmp"
3⤵
- Creates scheduled task(s)
PID:4540

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
3⤵
PID:4400

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:4216

C:\Windows\SysWOW64\cmstp.exe
"C:\Windows\SysWOW64\cmstp.exe"
2⤵
- Blocklisted process makes network request
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3340

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
3⤵
PID:1472

C:\Windows\SysWOW64\cmd.exe
/c copy "C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Login Data" "C:\Users\Admin\AppData\Local\Temp\DB1" /V
3⤵
PID:1948

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:2308

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Registry Run Keys / Startup Folder

T1060

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Virtualization/Sandbox Evasion

2

T1497

Modify Registry

2

T1112

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

5

Virtualization/Sandbox Evasion

2

T1497

System Information Discovery

4

Peripheral Device Discovery

T1120

Lateral Movement

Collection

Data from Local System