formbook | f1970e45484f0a246ae212ee63da91c7f8ee00b2c01a97922cad5519789797ec

Virtualization/Sandbox Evasion

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

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	eAdvice.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\VideoBiosVersion	eAdvice.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	eAdvice.exe

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

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	eAdvice.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	eAdvice.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3816 set thread context of 4764	3816	eAdvice.exe	91
PID 4764 set thread context of 3588	4764	eAdvice.exe	56
PID 3688 set thread context of 3588	3688	chkdsk.exe	56

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eAdvice.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chkdsk.exe

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	chkdsk.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\Registry\User\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	chkdsk.exe

Suspicious behavior: EnumeratesProcesses 43 IoCs

pid	Process
3816	eAdvice.exe
3816	eAdvice.exe
3816	eAdvice.exe
4764	eAdvice.exe
4764	eAdvice.exe
4764	eAdvice.exe
4764	eAdvice.exe
3688	chkdsk.exe
3688	chkdsk.exe
3688	chkdsk.exe
3688	chkdsk.exe
3688	chkdsk.exe
3688	chkdsk.exe
3688	chkdsk.exe
3688	chkdsk.exe
3688	chkdsk.exe
3688	chkdsk.exe
3688	chkdsk.exe
3688	chkdsk.exe
3688	chkdsk.exe
3688	chkdsk.exe
3688	chkdsk.exe
3688	chkdsk.exe
3688	chkdsk.exe
3688	chkdsk.exe
3688	chkdsk.exe
3688	chkdsk.exe
3688	chkdsk.exe
3688	chkdsk.exe
3688	chkdsk.exe
3688	chkdsk.exe
3688	chkdsk.exe
3688	chkdsk.exe
3688	chkdsk.exe
3688	chkdsk.exe
3688	chkdsk.exe
3688	chkdsk.exe
3688	chkdsk.exe
3688	chkdsk.exe
3688	chkdsk.exe
3688	chkdsk.exe
3688	chkdsk.exe
3688	chkdsk.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
4764	eAdvice.exe
4764	eAdvice.exe
4764	eAdvice.exe
3688	chkdsk.exe
3688	chkdsk.exe
3688	chkdsk.exe
3688	chkdsk.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeDebugPrivilege	3816	eAdvice.exe
Token: SeDebugPrivilege	4764	eAdvice.exe
Token: SeDebugPrivilege	3688	chkdsk.exe
Token: SeShutdownPrivilege	3588	Explorer.EXE
Token: SeCreatePagefilePrivilege	3588	Explorer.EXE
Token: SeShutdownPrivilege	3588	Explorer.EXE
Token: SeCreatePagefilePrivilege	3588	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3816 wrote to memory of 4764	3816	eAdvice.exe	91
PID 3816 wrote to memory of 4764	3816	eAdvice.exe	91
PID 3816 wrote to memory of 4764	3816	eAdvice.exe	91
PID 3816 wrote to memory of 4764	3816	eAdvice.exe	91
PID 3816 wrote to memory of 4764	3816	eAdvice.exe	91
PID 3816 wrote to memory of 4764	3816	eAdvice.exe	91
PID 3588 wrote to memory of 3688	3588	Explorer.EXE	92
PID 3588 wrote to memory of 3688	3588	Explorer.EXE	92
PID 3588 wrote to memory of 3688	3588	Explorer.EXE	92
PID 3688 wrote to memory of 2364	3688	chkdsk.exe	93
PID 3688 wrote to memory of 2364	3688	chkdsk.exe	93
PID 3688 wrote to memory of 2364	3688	chkdsk.exe	93
PID 3688 wrote to memory of 3856	3688	chkdsk.exe	95
PID 3688 wrote to memory of 3856	3688	chkdsk.exe	95
PID 3688 wrote to memory of 3856	3688	chkdsk.exe	95

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3588
- C:\Users\Admin\AppData\Local\Temp\eAdvice.exe
  "C:\Users\Admin\AppData\Local\Temp\eAdvice.exe"
  2⤵
  - Looks for VirtualBox Guest Additions in registry
  - Looks for VMWare Tools registry key
  - Checks BIOS information in registry
  - Maps connected drives based on registry
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3816
- - C:\Users\Admin\AppData\Local\Temp\eAdvice.exe
    "{path}"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:4764
- C:\Windows\SysWOW64\chkdsk.exe
  "C:\Windows\SysWOW64\chkdsk.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Enumerates system info in registry
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3688
- - 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⤵
    - System Location Discovery: System Language Discovery
    PID:2364
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:3856

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Virtualization/Sandbox Evasion

2

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

3

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

2

Lateral Movement

Collection

Data from Local System