hawkeye | a1f83e831ff6b6f44b06979932ae12b92f988574d7fe88c5c008a2b935389fee

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Oracle\VirtualBox Guest Additions	PO#894.exe

NirSoft MailPassView 4 IoCs

Password recovery tool for various email clients

resource	yara_rule
behavioral2/memory/3612-17-0x0000000000400000-0x0000000000488000-memory.dmp	MailPassView
behavioral2/memory/4008-27-0x0000000000400000-0x000000000041B000-memory.dmp	MailPassView
behavioral2/memory/4008-29-0x0000000000400000-0x000000000041B000-memory.dmp	MailPassView
behavioral2/memory/4008-32-0x0000000000400000-0x000000000041B000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 5 IoCs

Password recovery tool for various web browsers

resource	yara_rule
behavioral2/memory/3612-17-0x0000000000400000-0x0000000000488000-memory.dmp	WebBrowserPassView
behavioral2/memory/4440-34-0x0000000000400000-0x0000000000458000-memory.dmp	WebBrowserPassView
behavioral2/memory/4440-36-0x0000000000400000-0x0000000000458000-memory.dmp	WebBrowserPassView
behavioral2/memory/4440-38-0x0000000000400000-0x0000000000458000-memory.dmp	WebBrowserPassView
behavioral2/memory/4440-44-0x0000000000400000-0x0000000000458000-memory.dmp	WebBrowserPassView

Nirsoft 8 IoCs

resource	yara_rule
behavioral2/memory/3612-17-0x0000000000400000-0x0000000000488000-memory.dmp	Nirsoft
behavioral2/memory/4008-27-0x0000000000400000-0x000000000041B000-memory.dmp	Nirsoft
behavioral2/memory/4008-29-0x0000000000400000-0x000000000041B000-memory.dmp	Nirsoft
behavioral2/memory/4008-32-0x0000000000400000-0x000000000041B000-memory.dmp	Nirsoft
behavioral2/memory/4440-34-0x0000000000400000-0x0000000000458000-memory.dmp	Nirsoft
behavioral2/memory/4440-36-0x0000000000400000-0x0000000000458000-memory.dmp	Nirsoft
behavioral2/memory/4440-38-0x0000000000400000-0x0000000000458000-memory.dmp	Nirsoft
behavioral2/memory/4440-44-0x0000000000400000-0x0000000000458000-memory.dmp	Nirsoft

Looks for VMWare Tools registry key 2 TTPs 1 IoCs

evasion

Query Registry

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\VMware, Inc.\VMware Tools	PO#894.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	PO#894.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	PO#894.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\Control Panel\International\Geo\Nation	PO#894.exe

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	vbc.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Update = "C:\\Users\\Admin\\AppData\\Roaming\\WindowsUpdate.exe"	PO#894.exe

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
37	whatismyipaddress.com
39	whatismyipaddress.com

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	PO#894.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	PO#894.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2648 set thread context of 3612	2648	PO#894.exe	99
PID 3612 set thread context of 4008	3612	PO#894.exe	100
PID 3612 set thread context of 4440	3612	PO#894.exe	101

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

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/Job

pid	Process
3500	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2648	PO#894.exe
2648	PO#894.exe
2648	PO#894.exe
4440	vbc.exe
4440	vbc.exe
3612	PO#894.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2648	PO#894.exe
Token: SeDebugPrivilege	3612	PO#894.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3612	PO#894.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 2648 wrote to memory of 3500	2648	PO#894.exe	96
PID 2648 wrote to memory of 3500	2648	PO#894.exe	96
PID 2648 wrote to memory of 3500	2648	PO#894.exe	96
PID 2648 wrote to memory of 4696	2648	PO#894.exe	98
PID 2648 wrote to memory of 4696	2648	PO#894.exe	98
PID 2648 wrote to memory of 4696	2648	PO#894.exe	98
PID 2648 wrote to memory of 3612	2648	PO#894.exe	99
PID 2648 wrote to memory of 3612	2648	PO#894.exe	99
PID 2648 wrote to memory of 3612	2648	PO#894.exe	99
PID 2648 wrote to memory of 3612	2648	PO#894.exe	99
PID 2648 wrote to memory of 3612	2648	PO#894.exe	99
PID 2648 wrote to memory of 3612	2648	PO#894.exe	99
PID 2648 wrote to memory of 3612	2648	PO#894.exe	99
PID 2648 wrote to memory of 3612	2648	PO#894.exe	99
PID 3612 wrote to memory of 4008	3612	PO#894.exe	100
PID 3612 wrote to memory of 4008	3612	PO#894.exe	100
PID 3612 wrote to memory of 4008	3612	PO#894.exe	100
PID 3612 wrote to memory of 4008	3612	PO#894.exe	100
PID 3612 wrote to memory of 4008	3612	PO#894.exe	100
PID 3612 wrote to memory of 4008	3612	PO#894.exe	100
PID 3612 wrote to memory of 4008	3612	PO#894.exe	100
PID 3612 wrote to memory of 4008	3612	PO#894.exe	100
PID 3612 wrote to memory of 4008	3612	PO#894.exe	100
PID 3612 wrote to memory of 4440	3612	PO#894.exe	101
PID 3612 wrote to memory of 4440	3612	PO#894.exe	101
PID 3612 wrote to memory of 4440	3612	PO#894.exe	101
PID 3612 wrote to memory of 4440	3612	PO#894.exe	101
PID 3612 wrote to memory of 4440	3612	PO#894.exe	101
PID 3612 wrote to memory of 4440	3612	PO#894.exe	101
PID 3612 wrote to memory of 4440	3612	PO#894.exe	101
PID 3612 wrote to memory of 4440	3612	PO#894.exe	101
PID 3612 wrote to memory of 4440	3612	PO#894.exe	101

C:\Users\Admin\AppData\Local\Temp\PO#894.exe
"C:\Users\Admin\AppData\Local\Temp\PO#894.exe"
1⤵
- 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:2648
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vIAIAyAXewJvJh" /XML "C:\Users\Admin\AppData\Local\Temp\tmp53B.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:3500
- C:\Users\Admin\AppData\Local\Temp\PO#894.exe
  "{path}"
  2⤵
  PID:4696
- C:\Users\Admin\AppData\Local\Temp\PO#894.exe
  "{path}"
  2⤵
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3612
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
    C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holdermail.txt"
    3⤵
    - Accesses Microsoft Outlook accounts
    PID:4008
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
    C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holderwb.txt"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    PID:4440

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

Scripting

T1064

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

Defense Evasion

Modify Registry

T1112

Scripting

T1064

Virtualization/Sandbox Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

System Information Discovery

Virtualization/Sandbox Evasion