qakbot | 6bc3735194028e1ed850050906d5ff02ceabdcf31825e754af9d0c6580686c86

Peripheral Device Discovery

T1120

System Information Discovery

Processes:

regsvr32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Sanu&Prod_Sanu_DVD-ROM\4&37ce57ba&0&010000\DeviceDesc	regsvr32.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Sanu&Prod_Sanu_DVD-ROM\4&37ce57ba&0&010000\Service	regsvr32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_&PROD_HEARTDISK\4&37CE57BA&0&000000	regsvr32.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_&Prod_HeartDisk\4&37ce57ba&0&000000\DeviceDesc	regsvr32.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_&Prod_HeartDisk\4&37ce57ba&0&000000\Service	regsvr32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CDROM&VEN_SANU&PROD_SANU_DVD-ROM\4&37CE57BA&0&010000	regsvr32.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:

WINWORD.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	WINWORD.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
T1053

Processes:

schtasks.exe

pid process

2632 schtasks.exe

pid	process
2632	schtasks.exe

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

System Information Discovery

Processes:

WINWORD.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	WINWORD.EXE

Modifies registry class 1 IoCs

Processes:

explorer.exe

description ioc process

Key created \REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000_Classes\Local Settings explorer.exe
Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

1144 WINWORD.EXE
1144 WINWORD.EXE
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

regsvr32.exe

pid process

3772 regsvr32.exe
3772 regsvr32.exe
3772 regsvr32.exe
3772 regsvr32.exe
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

regsvr32.exe

pid process

3772 regsvr32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000_Classes\Local Settings	explorer.exe

pid	process
3772	regsvr32.exe
3772	regsvr32.exe
3772	regsvr32.exe
3772	regsvr32.exe

pid	process
3772	regsvr32.exe

Suspicious use of SetWindowsHookEx 19 IoCs

Processes:

WINWORD.EXE

pid	process
1144	WINWORD.EXE
1144	WINWORD.EXE
1144	WINWORD.EXE
1144	WINWORD.EXE
1144	WINWORD.EXE
1144	WINWORD.EXE
1144	WINWORD.EXE
1144	WINWORD.EXE
1144	WINWORD.EXE
1144	WINWORD.EXE
1144	WINWORD.EXE
1144	WINWORD.EXE
1144	WINWORD.EXE
1144	WINWORD.EXE
1144	WINWORD.EXE
1144	WINWORD.EXE
1144	WINWORD.EXE
1144	WINWORD.EXE
1144	WINWORD.EXE

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

WINWORD.EXEexplorer.exemshta.exeregsvr32.exeexplorer.exe

description	pid	process	target process
PID 1144 wrote to memory of 3720	1144	WINWORD.EXE	explorer.exe
PID 1144 wrote to memory of 3720	1144	WINWORD.EXE	explorer.exe
PID 1956 wrote to memory of 3288	1956	explorer.exe	mshta.exe
PID 1956 wrote to memory of 3288	1956	explorer.exe	mshta.exe
PID 1956 wrote to memory of 3288	1956	explorer.exe	mshta.exe
PID 3288 wrote to memory of 3772	3288	mshta.exe	regsvr32.exe
PID 3288 wrote to memory of 3772	3288	mshta.exe	regsvr32.exe
PID 3288 wrote to memory of 3772	3288	mshta.exe	regsvr32.exe
PID 3772 wrote to memory of 812	3772	regsvr32.exe	explorer.exe
PID 3772 wrote to memory of 812	3772	regsvr32.exe	explorer.exe
PID 3772 wrote to memory of 812	3772	regsvr32.exe	explorer.exe
PID 3772 wrote to memory of 812	3772	regsvr32.exe	explorer.exe
PID 3772 wrote to memory of 812	3772	regsvr32.exe	explorer.exe
PID 812 wrote to memory of 2632	812	explorer.exe	schtasks.exe
PID 812 wrote to memory of 2632	812	explorer.exe	schtasks.exe
PID 812 wrote to memory of 2632	812	explorer.exe	schtasks.exe

C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\deed contract 02.21.doc" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1144

C:\Windows\explorer.exe
C:\Windows\explorer.exe c:\programdata\aVFULb.hta
2⤵
- Process spawned unexpected child process
PID:3720

C:\Windows\explorer.exe
C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1956

C:\Windows\SysWOW64\mshta.exe
"C:\Windows\SysWOW64\mshta.exe" "C:\ProgramData\aVFULb.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
2⤵
- Blocklisted process makes network request
- Suspicious use of WriteProcessMemory
PID:3288

C:\Windows\SysWOW64\regsvr32.exe
"C:\Windows\System32\regsvr32.exe" c:\programdata\aVFULb.tmp
3⤵
- Loads dropped DLL
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3772

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
4⤵
- Suspicious use of WriteProcessMemory
PID:812

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn wwunbrqa /tr "regsvr32.exe -s \"c:\programdata\aVFULb.tmp\"" /SC ONCE /Z /ST 22:25 /ET 22:37
5⤵
- Creates scheduled task(s)
PID:2632

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

Credential Access

Discovery

System Information Discovery

4

Query Registry

3

Peripheral Device Discovery