gcleaner | 47376df478753605027ba47072a31529d0e273554c149a1618a595fe057cfdcb

General

Target

47376df478753605027ba47072a31529d0e273554c149a1618a595fe057cfdcb.exe
Size

1.9MB
MD5

8e15fccc9745d1989f5f53284fc39d09
SHA1

ebd351f39ac633ead4524e363cf5fc52dc7ed8a2
SHA256

47376df478753605027ba47072a31529d0e273554c149a1618a595fe057cfdcb
SHA512

8ae5f1a5ef5ce43690a18853f0f8f904046820217afec77bd5a34ed98ddd853c02e4aab4e3646deb4c09a7d7ac30d3f2ef833ec083d80341b73bee5390492222
SSDEEP

49152:pO57Ru66xaOMdk9yWk1xL7UgQoiypk9iwlUVZtp:pkg668XW2L4gQoiypCiVB

Score

10^/10

gcleaner defense_evasion discovery loader

Malware Config

Signatures

GCleaner
GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.
loader gcleaner
Gcleaner family
gcleaner

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs

defense_evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	47376df478753605027ba47072a31529d0e273554c149a1618a595fe057cfdcb.exe

Downloads MZ/PE file 1 IoCs

flow	pid	Process
14	1116	47376df478753605027ba47072a31529d0e273554c149a1618a595fe057cfdcb.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	47376df478753605027ba47072a31529d0e273554c149a1618a595fe057cfdcb.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	47376df478753605027ba47072a31529d0e273554c149a1618a595fe057cfdcb.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

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Wine	47376df478753605027ba47072a31529d0e273554c149a1618a595fe057cfdcb.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1116	47376df478753605027ba47072a31529d0e273554c149a1618a595fe057cfdcb.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3640	1116	WerFault.exe	81

System Location Discovery: System Language Discovery 1 TTPs 1 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	47376df478753605027ba47072a31529d0e273554c149a1618a595fe057cfdcb.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1116	47376df478753605027ba47072a31529d0e273554c149a1618a595fe057cfdcb.exe
1116	47376df478753605027ba47072a31529d0e273554c149a1618a595fe057cfdcb.exe

C:\Users\Admin\AppData\Local\Temp\47376df478753605027ba47072a31529d0e273554c149a1618a595fe057cfdcb.exe
"C:\Users\Admin\AppData\Local\Temp\47376df478753605027ba47072a31529d0e273554c149a1618a595fe057cfdcb.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Downloads MZ/PE file
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:1116
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1116 -s 1556
  2⤵
  - Program crash
  PID:3640

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1116 -ip 1116
1⤵
PID:368

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

2

T1497

Credential Access

Discovery

Query Registry

3

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Virtualization/Sandbox Evasion

2

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\PGH3GSHW\download[1].htm

Filesize
1B

MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

Download Submit
memory/1116-6-0x0000000000400000-0x0000000000C67000-memory.dmp

Filesize
8.4MB

Download
memory/1116-15-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/1116-4-0x0000000000400000-0x0000000000C67000-memory.dmp

Filesize
8.4MB

Download
memory/1116-13-0x0000000000400000-0x0000000000C67000-memory.dmp

Filesize
8.4MB

Download
memory/1116-0-0x0000000000400000-0x0000000000C67000-memory.dmp

Filesize
8.4MB

Download
memory/1116-7-0x0000000000400000-0x0000000000C67000-memory.dmp

Filesize
8.4MB

Download
memory/1116-8-0x0000000000400000-0x0000000000C67000-memory.dmp

Filesize
8.4MB

Download
memory/1116-10-0x0000000000400000-0x0000000000C67000-memory.dmp

Filesize
8.4MB

Download
memory/1116-2-0x0000000000401000-0x0000000000426000-memory.dmp

Filesize
148KB

Download
memory/1116-12-0x0000000000401000-0x0000000000426000-memory.dmp

Filesize
148KB

Download
memory/1116-3-0x0000000000400000-0x0000000000C67000-memory.dmp

Filesize
8.4MB

Download
memory/1116-19-0x0000000000400000-0x0000000000C67000-memory.dmp

Filesize
8.4MB

Download
memory/1116-20-0x0000000000400000-0x0000000000C67000-memory.dmp

Filesize
8.4MB

Download
memory/1116-22-0x0000000000400000-0x0000000000C67000-memory.dmp

Filesize
8.4MB

Download
memory/1116-1-0x0000000076F14000-0x0000000076F16000-memory.dmp

Filesize
8KB

Download
memory/1116-26-0x0000000000400000-0x0000000000C67000-memory.dmp

Filesize
8.4MB

Download
memory/1116-31-0x0000000000400000-0x0000000000C67000-memory.dmp

Filesize
8.4MB

Download
memory/1116-42-0x0000000000401000-0x0000000000426000-memory.dmp

Filesize
148KB

Download
memory/1116-41-0x0000000000400000-0x0000000000C67000-memory.dmp

Filesize
8.4MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads