gcleaner | e2a456d4af191c5bfa455a319ba7f368782c113b197d63388a518deabc93babb

General

Target

e2a456d4af191c5bfa455a319ba7f368782c113b197d63388a518deabc93babb.exe
Size

1.9MB
MD5

e81a4befae494de37b6187e6f627638d
SHA1

a22d11eb68a131363f5968939dc400c1be0e84c2
SHA256

e2a456d4af191c5bfa455a319ba7f368782c113b197d63388a518deabc93babb
SHA512

334899cfb79e6e29ad3c3e1ac1347ac0ff23f508d37a349c238d1b3afe3501a94b1a25627e5e47081ed6cc2f584bd70ea1eb3dd6721332066564fee42933398e
SSDEEP

49152:0iqHNPhmADw7j5OC19luGej2a3HlhB9NtnS:0NHaAwZiGM93lhP/S

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__	e2a456d4af191c5bfa455a319ba7f368782c113b197d63388a518deabc93babb.exe

Downloads MZ/PE file 1 IoCs

flow	pid	Process
15	4860	e2a456d4af191c5bfa455a319ba7f368782c113b197d63388a518deabc93babb.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	e2a456d4af191c5bfa455a319ba7f368782c113b197d63388a518deabc93babb.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	e2a456d4af191c5bfa455a319ba7f368782c113b197d63388a518deabc93babb.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-1-5-21-493223053-2004649691-1575712786-1000\Software\Wine	e2a456d4af191c5bfa455a319ba7f368782c113b197d63388a518deabc93babb.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
4860	e2a456d4af191c5bfa455a319ba7f368782c113b197d63388a518deabc93babb.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
3620	4860	WerFault.exe	84

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	e2a456d4af191c5bfa455a319ba7f368782c113b197d63388a518deabc93babb.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4860	e2a456d4af191c5bfa455a319ba7f368782c113b197d63388a518deabc93babb.exe
4860	e2a456d4af191c5bfa455a319ba7f368782c113b197d63388a518deabc93babb.exe

C:\Users\Admin\AppData\Local\Temp\e2a456d4af191c5bfa455a319ba7f368782c113b197d63388a518deabc93babb.exe
"C:\Users\Admin\AppData\Local\Temp\e2a456d4af191c5bfa455a319ba7f368782c113b197d63388a518deabc93babb.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:4860
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4860 -s 636
  2⤵
  - Program crash
  PID:3620

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4860 -ip 4860
1⤵
PID:2108

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\DQ67RYHS\download[1].htm

Filesize
1B

MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

Download Submit
memory/4860-12-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/4860-19-0x0000000000400000-0x0000000000C79000-memory.dmp

Filesize
8.5MB

Download
memory/4860-3-0x0000000000400000-0x0000000000C79000-memory.dmp

Filesize
8.5MB

Download
memory/4860-4-0x0000000000400000-0x0000000000C79000-memory.dmp

Filesize
8.5MB

Download
memory/4860-6-0x0000000000400000-0x0000000000C79000-memory.dmp

Filesize
8.5MB

Download
memory/4860-7-0x0000000000400000-0x0000000000C79000-memory.dmp

Filesize
8.5MB

Download
memory/4860-8-0x0000000000400000-0x0000000000C79000-memory.dmp

Filesize
8.5MB

Download
memory/4860-0-0x0000000000400000-0x0000000000C79000-memory.dmp

Filesize
8.5MB

Download
memory/4860-2-0x0000000000401000-0x0000000000426000-memory.dmp

Filesize
148KB

Download
memory/4860-16-0x0000000000400000-0x0000000000C79000-memory.dmp

Filesize
8.5MB

Download
memory/4860-18-0x0000000000401000-0x0000000000426000-memory.dmp

Filesize
148KB

Download
memory/4860-21-0x0000000000400000-0x0000000000C79000-memory.dmp

Filesize
8.5MB

Download
memory/4860-1-0x00000000778C4000-0x00000000778C6000-memory.dmp

Filesize
8KB

Download
memory/4860-23-0x0000000000400000-0x0000000000C79000-memory.dmp

Filesize
8.5MB

Download
memory/4860-27-0x0000000000400000-0x0000000000C79000-memory.dmp

Filesize
8.5MB

Download
memory/4860-32-0x0000000000400000-0x0000000000C79000-memory.dmp

Filesize
8.5MB

Download
memory/4860-40-0x0000000000400000-0x0000000000C79000-memory.dmp

Filesize
8.5MB

Download
memory/4860-41-0x0000000000401000-0x0000000000426000-memory.dmp

Filesize
148KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads