qakbot | 9c479ee38fbdfd32c0c18ba73e3ca2e55cb7adcda26c9bc17bc805742fc45047

Peripheral Device Discovery

T1120

System Information Discovery

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.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
580	schtasks.exe

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

System Information Discovery

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
4644	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
4028	ixqrisgh.exe
4028	ixqrisgh.exe
4436	ixqrisgh.exe
4436	ixqrisgh.exe
4436	ixqrisgh.exe
4436	ixqrisgh.exe
4428	nzkkl.exe
4428	nzkkl.exe
896	nzkkl.exe
896	nzkkl.exe
896	nzkkl.exe
896	nzkkl.exe
680	explorer.exe
680	explorer.exe
680	explorer.exe
680	explorer.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
4428	nzkkl.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4644	EXCEL.EXE
4644	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
4644	EXCEL.EXE
4644	EXCEL.EXE
4644	EXCEL.EXE
4644	EXCEL.EXE
4644	EXCEL.EXE
4644	EXCEL.EXE
4644	EXCEL.EXE
4644	EXCEL.EXE
4644	EXCEL.EXE
4644	EXCEL.EXE
4644	EXCEL.EXE
4644	EXCEL.EXE

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 4644 wrote to memory of 4028	4644	EXCEL.EXE	76
PID 4644 wrote to memory of 4028	4644	EXCEL.EXE	76
PID 4644 wrote to memory of 4028	4644	EXCEL.EXE	76
PID 4028 wrote to memory of 4436	4028	ixqrisgh.exe	81
PID 4028 wrote to memory of 4436	4028	ixqrisgh.exe	81
PID 4028 wrote to memory of 4436	4028	ixqrisgh.exe	81
PID 4028 wrote to memory of 4428	4028	ixqrisgh.exe	82
PID 4028 wrote to memory of 4428	4028	ixqrisgh.exe	82
PID 4028 wrote to memory of 4428	4028	ixqrisgh.exe	82
PID 4028 wrote to memory of 580	4028	ixqrisgh.exe	83
PID 4028 wrote to memory of 580	4028	ixqrisgh.exe	83
PID 4028 wrote to memory of 580	4028	ixqrisgh.exe	83
PID 4428 wrote to memory of 896	4428	nzkkl.exe	85
PID 4428 wrote to memory of 896	4428	nzkkl.exe	85
PID 4428 wrote to memory of 896	4428	nzkkl.exe	85
PID 4428 wrote to memory of 680	4428	nzkkl.exe	86
PID 4428 wrote to memory of 680	4428	nzkkl.exe	86
PID 4428 wrote to memory of 680	4428	nzkkl.exe	86
PID 4428 wrote to memory of 680	4428	nzkkl.exe	86

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\document-138477734.xlsb"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4644
- C:\hjpivi\mnpspy\ixqrisgh.exe
  "C:\hjpivi\mnpspy\ixqrisgh.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:4028
- - C:\hjpivi\mnpspy\ixqrisgh.exe
    C:\hjpivi\mnpspy\ixqrisgh.exe /C
    3⤵
    - Executes dropped EXE
    - Checks SCSI registry key(s)
    - Suspicious behavior: EnumeratesProcesses
    PID:4436
- - C:\Users\Admin\AppData\Roaming\Microsoft\Ezvffmqf\nzkkl.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Ezvffmqf\nzkkl.exe
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of WriteProcessMemory
    PID:4428
  - - C:\Users\Admin\AppData\Roaming\Microsoft\Ezvffmqf\nzkkl.exe
      C:\Users\Admin\AppData\Roaming\Microsoft\Ezvffmqf\nzkkl.exe /C
      4⤵
      Executes dropped EXE
      Checks SCSI registry key(s)
      Suspicious behavior: EnumeratesProcesses
      PID:896
  - - C:\Windows\SysWOW64\explorer.exe
      C:\Windows\SysWOW64\explorer.exe
      4⤵
      Suspicious behavior: EnumeratesProcesses
      PID:680
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn kuhufrsw /tr "\"C:\hjpivi\mnpspy\ixqrisgh.exe\" /I kuhufrsw" /SC ONCE /Z /ST 16:19 /ET 16:31
    3⤵
    - Creates scheduled task(s)
    PID:580

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

Persistence

Scheduled Task

Privilege Escalation

Scheduled Task

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

System Information Discovery