gcleaner | d2978cf015e612a06069d724fa93a8d398eb79c1d276fafd74aa7d0b4d88835d

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	random.exe

Downloads MZ/PE file 1 IoCs

flow	pid	Process
41	3520	Process not Found

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

T1082

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

Executes dropped EXE 2 IoCs

pid	Process
1824	setup.exe
1512	setup.exe

Identifies Wine through registry keys 2 TTPs 1 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

defense_evasion

Query Registry

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2656314083-4170277356-267438488-1000\Software\Wine	random.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
440	random.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 440 set thread context of 5116	440	random.exe	91

Drops file in Program Files directory 9 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\MsEdgeCrashpad\settings.dat	setup.exe
File created	C:\Program Files (x86)\Microsoft\Edge\Temp\source1824_857128905\MSEDGE.7z	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{1E3CFEF1-CB2B-4B0A-BF47-0329FE8CB6E5}\EDGEMITMP_674D8.tmp\SETUP.EX_	MicrosoftEdge_X64_133.0.3065.59.exe
File opened for modification	C:\Program Files\MsEdgeCrashpad\metadata	setup.exe
File opened for modification	C:\Program Files\MsEdgeCrashpad\throttle_store.dat	setup.exe
File opened for modification	C:\Program Files\MsEdgeCrashpad\settings.dat	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{1E3CFEF1-CB2B-4B0A-BF47-0329FE8CB6E5}\EDGEMITMP_674D8.tmp\setup.exe	MicrosoftEdge_X64_133.0.3065.59.exe
File opened for modification	C:\Program Files\msedge_installer.log	setup.exe
File opened for modification	C:\Program Files\MsEdgeCrashpad\throttle_store.dat	setup.exe

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	random.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	BitLockerToGo.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MicrosoftEdgeUpdate.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
3764	MicrosoftEdgeUpdate.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
440	random.exe
440	random.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	1824	setup.exe
Token: SeIncBasePriorityPrivilege	1824	setup.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 440 wrote to memory of 5116	440	random.exe	91
PID 440 wrote to memory of 5116	440	random.exe	91
PID 440 wrote to memory of 5116	440	random.exe	91
PID 440 wrote to memory of 5116	440	random.exe	91
PID 440 wrote to memory of 5116	440	random.exe	91
PID 440 wrote to memory of 5116	440	random.exe	91
PID 440 wrote to memory of 5116	440	random.exe	91
PID 440 wrote to memory of 5116	440	random.exe	91
PID 440 wrote to memory of 5116	440	random.exe	91
PID 440 wrote to memory of 5116	440	random.exe	91
PID 4884 wrote to memory of 1824	4884	MicrosoftEdge_X64_133.0.3065.59.exe	103
PID 4884 wrote to memory of 1824	4884	MicrosoftEdge_X64_133.0.3065.59.exe	103
PID 1824 wrote to memory of 1512	1824	setup.exe	104
PID 1824 wrote to memory of 1512	1824	setup.exe	104

C:\Users\Admin\AppData\Local\Temp\random.exe
"C:\Users\Admin\AppData\Local\Temp\random.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:440
- C:\Windows\BitLockerDiscoveryVolumeContents\BitLockerToGo.exe
  "C:\Windows\BitLockerDiscoveryVolumeContents\BitLockerToGo.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5116

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIxIiBpbnN0YWxsZGF0ZXRpbWU9IjE3MzkyODM0MTAiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4Mzc1NTUzNjg2NzAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1NDAxNTU2MTk1Ii8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:3764

C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{1E3CFEF1-CB2B-4B0A-BF47-0329FE8CB6E5}\MicrosoftEdge_X64_133.0.3065.59.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{1E3CFEF1-CB2B-4B0A-BF47-0329FE8CB6E5}\MicrosoftEdge_X64_133.0.3065.59.exe" --msedge --verbose-logging --do-not-launch-msedge --system-level --channel=stable
1⤵
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:4884
- C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{1E3CFEF1-CB2B-4B0A-BF47-0329FE8CB6E5}\EDGEMITMP_674D8.tmp\setup.exe
  "C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{1E3CFEF1-CB2B-4B0A-BF47-0329FE8CB6E5}\EDGEMITMP_674D8.tmp\setup.exe" --install-archive="C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{1E3CFEF1-CB2B-4B0A-BF47-0329FE8CB6E5}\MicrosoftEdge_X64_133.0.3065.59.exe" --msedge --verbose-logging --do-not-launch-msedge --system-level --channel=stable
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1824
- - C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{1E3CFEF1-CB2B-4B0A-BF47-0329FE8CB6E5}\EDGEMITMP_674D8.tmp\setup.exe
    "C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{1E3CFEF1-CB2B-4B0A-BF47-0329FE8CB6E5}\EDGEMITMP_674D8.tmp\setup.exe" --type=crashpad-handler /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Program Files\MsEdgeCrashpad" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=133.0.6943.60 "--annotation=exe=C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{1E3CFEF1-CB2B-4B0A-BF47-0329FE8CB6E5}\EDGEMITMP_674D8.tmp\setup.exe" --annotation=plat=Win64 --annotation=prod=Edge --annotation=ver=133.0.3065.59 --initial-client-data=0x224,0x228,0x22c,0x200,0x230,0x7ff66f2d6a68,0x7ff66f2d6a74,0x7ff66f2d6a80
    3⤵
    - Executes dropped EXE
    - Drops file in Program Files directory
    PID:1512

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

2

Credential Access

Discovery

Query Registry

4

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Virtualization/Sandbox Evasion

2