formbook | 0c5f0ad9fb94fbfc2dde1c830cdcdb2c96f27530d500734d0478fd9bc068a8bb

System Information Discovery

Processes:

shipping documents.exe

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

shipping documents.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation	shipping documents.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

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:

shipping documents.exe

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

Suspicious use of SetThreadContext 3 IoCs

Processes:

shipping documents.exeRegSvcs.exemstsc.exe

description	pid	process	target process
PID 5084 set thread context of 2692	5084	shipping documents.exe	RegSvcs.exe
PID 2692 set thread context of 2156	2692	RegSvcs.exe	Explorer.EXE
PID 1204 set thread context of 2156	1204	mstsc.exe	Explorer.EXE

Drops file in Program Files directory 1 IoCs

Processes:

mstsc.exe

description ioc process

File opened for modification C:\Program Files (x86)\Ztnv\autochkvx40a.exe mstsc.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

4080 schtasks.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Ztnv\autochkvx40a.exe	mstsc.exe

pid	process
4080	schtasks.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

mstsc.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	mstsc.exe

Suspicious behavior: EnumeratesProcesses 41 IoCs

Processes:

shipping documents.exepowershell.exeRegSvcs.exemstsc.exe

pid	process
5084	shipping documents.exe
5084	shipping documents.exe
5084	shipping documents.exe
4908	powershell.exe
2692	RegSvcs.exe
2692	RegSvcs.exe
2692	RegSvcs.exe
2692	RegSvcs.exe
4908	powershell.exe
1204	mstsc.exe
1204	mstsc.exe
1204	mstsc.exe
1204	mstsc.exe
1204	mstsc.exe
1204	mstsc.exe
1204	mstsc.exe
1204	mstsc.exe
1204	mstsc.exe
1204	mstsc.exe
1204	mstsc.exe
1204	mstsc.exe
1204	mstsc.exe
1204	mstsc.exe
1204	mstsc.exe
1204	mstsc.exe
1204	mstsc.exe
1204	mstsc.exe
1204	mstsc.exe
1204	mstsc.exe
1204	mstsc.exe
1204	mstsc.exe
1204	mstsc.exe
1204	mstsc.exe
1204	mstsc.exe
1204	mstsc.exe
1204	mstsc.exe
1204	mstsc.exe
1204	mstsc.exe
1204	mstsc.exe
1204	mstsc.exe
1204	mstsc.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

2156 Explorer.EXE
Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

RegSvcs.exemstsc.exe

pid process

2692 RegSvcs.exe
2692 RegSvcs.exe
2692 RegSvcs.exe
1204 mstsc.exe
1204 mstsc.exe
1204 mstsc.exe
1204 mstsc.exe

pid	process
2156	Explorer.EXE

pid	process
2692	RegSvcs.exe
2692	RegSvcs.exe
2692	RegSvcs.exe
1204	mstsc.exe
1204	mstsc.exe
1204	mstsc.exe
1204	mstsc.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

shipping documents.exepowershell.exeRegSvcs.exemstsc.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	5084	shipping documents.exe
Token: SeDebugPrivilege	4908	powershell.exe
Token: SeDebugPrivilege	2692	RegSvcs.exe
Token: SeDebugPrivilege	1204	mstsc.exe
Token: SeShutdownPrivilege	2156	Explorer.EXE
Token: SeCreatePagefilePrivilege	2156	Explorer.EXE

Suspicious use of WriteProcessMemory 27 IoCs

Processes:

shipping documents.exeExplorer.EXEmstsc.exe

description	pid	process	target process
PID 5084 wrote to memory of 4908	5084	shipping documents.exe	powershell.exe
PID 5084 wrote to memory of 4908	5084	shipping documents.exe	powershell.exe
PID 5084 wrote to memory of 4908	5084	shipping documents.exe	powershell.exe
PID 5084 wrote to memory of 4080	5084	shipping documents.exe	schtasks.exe
PID 5084 wrote to memory of 4080	5084	shipping documents.exe	schtasks.exe
PID 5084 wrote to memory of 4080	5084	shipping documents.exe	schtasks.exe
PID 5084 wrote to memory of 2692	5084	shipping documents.exe	RegSvcs.exe
PID 5084 wrote to memory of 2692	5084	shipping documents.exe	RegSvcs.exe
PID 5084 wrote to memory of 2692	5084	shipping documents.exe	RegSvcs.exe
PID 5084 wrote to memory of 2692	5084	shipping documents.exe	RegSvcs.exe
PID 5084 wrote to memory of 2692	5084	shipping documents.exe	RegSvcs.exe
PID 5084 wrote to memory of 2692	5084	shipping documents.exe	RegSvcs.exe
PID 2156 wrote to memory of 1204	2156	Explorer.EXE	mstsc.exe
PID 2156 wrote to memory of 1204	2156	Explorer.EXE	mstsc.exe
PID 2156 wrote to memory of 1204	2156	Explorer.EXE	mstsc.exe
PID 1204 wrote to memory of 492	1204	mstsc.exe	cmd.exe
PID 1204 wrote to memory of 492	1204	mstsc.exe	cmd.exe
PID 1204 wrote to memory of 492	1204	mstsc.exe	cmd.exe
PID 1204 wrote to memory of 2292	1204	mstsc.exe	cmd.exe
PID 1204 wrote to memory of 2292	1204	mstsc.exe	cmd.exe
PID 1204 wrote to memory of 2292	1204	mstsc.exe	cmd.exe
PID 1204 wrote to memory of 3248	1204	mstsc.exe	cmd.exe
PID 1204 wrote to memory of 3248	1204	mstsc.exe	cmd.exe
PID 1204 wrote to memory of 3248	1204	mstsc.exe	cmd.exe
PID 1204 wrote to memory of 4528	1204	mstsc.exe	Firefox.exe
PID 1204 wrote to memory of 4528	1204	mstsc.exe	Firefox.exe
PID 1204 wrote to memory of 4528	1204	mstsc.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2156

C:\Users\Admin\AppData\Local\Temp\shipping documents.exe
"C:\Users\Admin\AppData\Local\Temp\shipping documents.exe"
2⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- 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:5084

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\hpmoZai.exe"
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4908

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\hpmoZai" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7927.tmp"
3⤵
- Creates scheduled task(s)
PID:4080

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:2692

C:\Windows\SysWOW64\mstsc.exe
"C:\Windows\SysWOW64\mstsc.exe"
2⤵
- Adds policy 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:1204

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
3⤵
PID:492

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:2292

C:\Windows\SysWOW64\cmd.exe
/c copy "C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Login Data" "C:\Users\Admin\AppData\Local\Temp\DB1" /V
3⤵
PID:3248

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:4528

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