mercurialgrabber | a5e43e7a219d301589d65f7dc18997c5b346e34e7d92063f1ed1f10263d34542

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Oracle\VirtualBox Guest Additions	test.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\VMWare, Inc.\VMWare Tools	test.exe

Checks BIOS information in registry 2 TTPs 1 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	test.exe

Executes dropped EXE 2 IoCs

pid	Process
2320	test.exe
2304	Lunar_Builder.exe

Loads dropped DLL 10 IoCs

pid	Process
2328	ddf3fd684f553b4686987ec5cf532c20.exe
2328	ddf3fd684f553b4686987ec5cf532c20.exe
2328	ddf3fd684f553b4686987ec5cf532c20.exe
2328	ddf3fd684f553b4686987ec5cf532c20.exe
2328	ddf3fd684f553b4686987ec5cf532c20.exe
2328	ddf3fd684f553b4686987ec5cf532c20.exe
2328	ddf3fd684f553b4686987ec5cf532c20.exe
2328	ddf3fd684f553b4686987ec5cf532c20.exe
2304	Lunar_Builder.exe
2304	Lunar_Builder.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
T1552.001

Legitimate hosting services abused for malware hosting/C2 1 TTPs 5 IoCs

Web Service

T1102

flow	ioc
11	discord.com
12	discord.com
8	discord.com
9	discord.com
10	discord.com

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
4	ip4.seeip.org
6	ip-api.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	test.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	test.exe

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

System Information Discovery
T1082

Checks SCSI registry key(s) 3 TTPs 1 IoCs

SCSI 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\Enum\SCSI\Disk&Ven_VMware_&Prod_VMware_Virtual_S	test.exe

Enumerates system info in registry 2 TTPs 4 IoCs

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosInformation	test.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemManufacturer	test.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemProductName	test.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Logical Unit Id 0	test.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2320	test.exe
Token: SeDebugPrivilege	2304	Lunar_Builder.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2304	Lunar_Builder.exe
2304	Lunar_Builder.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2328 wrote to memory of 2320	2328	ddf3fd684f553b4686987ec5cf532c20.exe	28
PID 2328 wrote to memory of 2320	2328	ddf3fd684f553b4686987ec5cf532c20.exe	28
PID 2328 wrote to memory of 2320	2328	ddf3fd684f553b4686987ec5cf532c20.exe	28
PID 2328 wrote to memory of 2320	2328	ddf3fd684f553b4686987ec5cf532c20.exe	28
PID 2328 wrote to memory of 2304	2328	ddf3fd684f553b4686987ec5cf532c20.exe	30
PID 2328 wrote to memory of 2304	2328	ddf3fd684f553b4686987ec5cf532c20.exe	30
PID 2328 wrote to memory of 2304	2328	ddf3fd684f553b4686987ec5cf532c20.exe	30
PID 2328 wrote to memory of 2304	2328	ddf3fd684f553b4686987ec5cf532c20.exe	30
PID 2320 wrote to memory of 1028	2320	test.exe	31
PID 2320 wrote to memory of 1028	2320	test.exe	31
PID 2320 wrote to memory of 1028	2320	test.exe	31

C:\Users\Admin\AppData\Local\Temp\ddf3fd684f553b4686987ec5cf532c20.exe
"C:\Users\Admin\AppData\Local\Temp\ddf3fd684f553b4686987ec5cf532c20.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2328
- C:\Users\Public\Music\test.exe
  "C:\Users\Public\Music\test.exe"
  2⤵
  - Looks for VirtualBox Guest Additions in registry
  - Looks for VMWare Tools registry key
  - Checks BIOS information in registry
  - Executes dropped EXE
  - Maps connected drives based on registry
  - Checks SCSI registry key(s)
  - Enumerates system info in registry
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2320
- - C:\Windows\system32\WerFault.exe
    C:\Windows\system32\WerFault.exe -u -p 2320 -s 1248
    3⤵
    PID:1028
- C:\Users\Public\Music\Lunar_Builder.exe
  "C:\Users\Public\Music\Lunar_Builder.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2304

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Peripheral Device Discovery

T1120

Query Registry

System Information Discovery

Virtualization/Sandbox Evasion