gcleaner | 35eeedbb456d262392d2fba7c3a28715dbbec42c1491f76fd0459bfdd50d70a8

General

Target

35eeedbb456d262392d2fba7c3a28715dbbec42c1491f76fd0459bfdd50d70a8.exe
Size

1.8MB
MD5

66d9f653b8d814277e15556d2eaac183
SHA1

58053e45f827dbab2d77122075a963da677d497a
SHA256

35eeedbb456d262392d2fba7c3a28715dbbec42c1491f76fd0459bfdd50d70a8
SHA512

bfc125e436ade80c29c5fb79a5176c036fb9b8f3e0d63ab12eb8a77516b62806b02a4e7ee4c4a39b412c4aae08a73413cf130f06c6d14fd2e5f14fe2beda988a
SSDEEP

49152:sAY7O9CuqivE5v8Cge6mkPoW3TV/r5pta/0sEagHnJD:xY7OM1v8RrTV/VPaCaUp

Score

10^/10

gcleaner discovery evasion 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

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	35eeedbb456d262392d2fba7c3a28715dbbec42c1491f76fd0459bfdd50d70a8.exe

Downloads MZ/PE file

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	35eeedbb456d262392d2fba7c3a28715dbbec42c1491f76fd0459bfdd50d70a8.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	35eeedbb456d262392d2fba7c3a28715dbbec42c1491f76fd0459bfdd50d70a8.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-1-5-21-3350944739-639801879-157714471-1000\Software\Wine	35eeedbb456d262392d2fba7c3a28715dbbec42c1491f76fd0459bfdd50d70a8.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
3872	35eeedbb456d262392d2fba7c3a28715dbbec42c1491f76fd0459bfdd50d70a8.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
4820	3872	WerFault.exe	82

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	35eeedbb456d262392d2fba7c3a28715dbbec42c1491f76fd0459bfdd50d70a8.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3872	35eeedbb456d262392d2fba7c3a28715dbbec42c1491f76fd0459bfdd50d70a8.exe
3872	35eeedbb456d262392d2fba7c3a28715dbbec42c1491f76fd0459bfdd50d70a8.exe

C:\Users\Admin\AppData\Local\Temp\35eeedbb456d262392d2fba7c3a28715dbbec42c1491f76fd0459bfdd50d70a8.exe
"C:\Users\Admin\AppData\Local\Temp\35eeedbb456d262392d2fba7c3a28715dbbec42c1491f76fd0459bfdd50d70a8.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:3872
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3872 -s 1644
  2⤵
  - Program crash
  PID:4820

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3872 -ip 3872
1⤵
PID:2116

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\VKYZDMA5\download[1].htm

Filesize
1B

MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

Download Submit
memory/3872-12-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/3872-3-0x0000000000400000-0x0000000000C42000-memory.dmp

Filesize
8.3MB

Download
memory/3872-18-0x0000000000401000-0x0000000000426000-memory.dmp

Filesize
148KB

Download
memory/3872-19-0x0000000000400000-0x0000000000C42000-memory.dmp

Filesize
8.3MB

Download
memory/3872-6-0x0000000000400000-0x0000000000C42000-memory.dmp

Filesize
8.3MB

Download
memory/3872-7-0x0000000000400000-0x0000000000C42000-memory.dmp

Filesize
8.3MB

Download
memory/3872-8-0x0000000000400000-0x0000000000C42000-memory.dmp

Filesize
8.3MB

Download
memory/3872-0-0x0000000000400000-0x0000000000C42000-memory.dmp

Filesize
8.3MB

Download
memory/3872-41-0x0000000000401000-0x0000000000426000-memory.dmp

Filesize
148KB

Download
memory/3872-2-0x0000000000401000-0x0000000000426000-memory.dmp

Filesize
148KB

Download
memory/3872-4-0x0000000000400000-0x0000000000C42000-memory.dmp

Filesize
8.3MB

Download
memory/3872-21-0x0000000000400000-0x0000000000C42000-memory.dmp

Filesize
8.3MB

Download
memory/3872-1-0x00000000779D4000-0x00000000779D6000-memory.dmp

Filesize
8KB

Download
memory/3872-23-0x0000000000400000-0x0000000000C42000-memory.dmp

Filesize
8.3MB

Download
memory/3872-28-0x0000000000400000-0x0000000000C42000-memory.dmp

Filesize
8.3MB

Download
memory/3872-34-0x0000000000400000-0x0000000000C42000-memory.dmp

Filesize
8.3MB

Download
memory/3872-40-0x0000000000400000-0x0000000000C42000-memory.dmp

Filesize
8.3MB

Download
memory/3872-16-0x0000000000400000-0x0000000000C42000-memory.dmp

Filesize
8.3MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads