gcleaner | 94babb1b56370ac46a4fc1fb8557b38ab3f0a6d46aebf9f0fe6cc26edc5ea282

General

Target

94babb1b56370ac46a4fc1fb8557b38ab3f0a6d46aebf9f0fe6cc26edc5ea282.exe
Size

1.9MB
MD5

f37ffdccfbda7edcc9fa657e8fef9aad
SHA1

3443a18fe981c205042e2aeffed33041dce505c8
SHA256

94babb1b56370ac46a4fc1fb8557b38ab3f0a6d46aebf9f0fe6cc26edc5ea282
SHA512

418f2c11115b5e5d245a34219b80ce973c715d74e0c4b262fe68e4fc330a6dcef01e02e06bbdc5f935d2cced55117ab3a94c7d1424e7203c6e0d83b667ed3c1e
SSDEEP

49152:JsCl6pNqctt3eW227LTL2C9u3MyjXHlTvlJeBI:umYt3HXmr3MMVzlJC

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__	94babb1b56370ac46a4fc1fb8557b38ab3f0a6d46aebf9f0fe6cc26edc5ea282.exe

Downloads MZ/PE file 1 IoCs

flow	pid	Process
2	4200	94babb1b56370ac46a4fc1fb8557b38ab3f0a6d46aebf9f0fe6cc26edc5ea282.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\VideoBiosVersion	94babb1b56370ac46a4fc1fb8557b38ab3f0a6d46aebf9f0fe6cc26edc5ea282.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	94babb1b56370ac46a4fc1fb8557b38ab3f0a6d46aebf9f0fe6cc26edc5ea282.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	94babb1b56370ac46a4fc1fb8557b38ab3f0a6d46aebf9f0fe6cc26edc5ea282.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
4200	94babb1b56370ac46a4fc1fb8557b38ab3f0a6d46aebf9f0fe6cc26edc5ea282.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
1332	4200	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	94babb1b56370ac46a4fc1fb8557b38ab3f0a6d46aebf9f0fe6cc26edc5ea282.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4200	94babb1b56370ac46a4fc1fb8557b38ab3f0a6d46aebf9f0fe6cc26edc5ea282.exe
4200	94babb1b56370ac46a4fc1fb8557b38ab3f0a6d46aebf9f0fe6cc26edc5ea282.exe

C:\Users\Admin\AppData\Local\Temp\94babb1b56370ac46a4fc1fb8557b38ab3f0a6d46aebf9f0fe6cc26edc5ea282.exe
"C:\Users\Admin\AppData\Local\Temp\94babb1b56370ac46a4fc1fb8557b38ab3f0a6d46aebf9f0fe6cc26edc5ea282.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:4200
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4200 -s 1580
  2⤵
  - Program crash
  PID:1332

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4200 -ip 4200
1⤵
PID:1956

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

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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/4200-12-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/4200-19-0x0000000000400000-0x0000000000C6F000-memory.dmp

Filesize
8.4MB

Download
memory/4200-2-0x0000000000401000-0x0000000000426000-memory.dmp

Filesize
148KB

Download
memory/4200-4-0x0000000000400000-0x0000000000C6F000-memory.dmp

Filesize
8.4MB

Download
memory/4200-6-0x0000000000400000-0x0000000000C6F000-memory.dmp

Filesize
8.4MB

Download
memory/4200-7-0x0000000000400000-0x0000000000C6F000-memory.dmp

Filesize
8.4MB

Download
memory/4200-10-0x0000000000400000-0x0000000000C6F000-memory.dmp

Filesize
8.4MB

Download
memory/4200-0-0x0000000000400000-0x0000000000C6F000-memory.dmp

Filesize
8.4MB

Download
memory/4200-3-0x0000000000400000-0x0000000000C6F000-memory.dmp

Filesize
8.4MB

Download
memory/4200-16-0x0000000000401000-0x0000000000426000-memory.dmp

Filesize
148KB

Download
memory/4200-17-0x0000000000400000-0x0000000000C6F000-memory.dmp

Filesize
8.4MB

Download
memory/4200-20-0x0000000000400000-0x0000000000C6F000-memory.dmp

Filesize
8.4MB

Download
memory/4200-22-0x0000000000400000-0x0000000000C6F000-memory.dmp

Filesize
8.4MB

Download
memory/4200-1-0x0000000077374000-0x0000000077376000-memory.dmp

Filesize
8KB

Download
memory/4200-27-0x0000000000400000-0x0000000000C6F000-memory.dmp

Filesize
8.4MB

Download
memory/4200-32-0x0000000000400000-0x0000000000C6F000-memory.dmp

Filesize
8.4MB

Download
memory/4200-42-0x0000000000401000-0x0000000000426000-memory.dmp

Filesize
148KB

Download
memory/4200-41-0x0000000000400000-0x0000000000C6F000-memory.dmp

Filesize
8.4MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads