gcleaner | 68e68c7846ecb07a272ab44beb4033c13a00296c6de7e02c20a4bf7fb7e757d3

General

Target

SecuriteInfo.com.Win32.Evo-gen.4184.31311.exe
Size

4.1MB
MD5

e4631666a647d5a1ac567bb0076f3cac
SHA1

fce93029fa84bcd201f90c5c4c620b6cf9becf72
SHA256

68e68c7846ecb07a272ab44beb4033c13a00296c6de7e02c20a4bf7fb7e757d3
SHA512

5635e98cd36c3231c06aac12c4b5bd9961e3cc91c8a1d67083ec4bdb8a4eb0d3ca3a1d11473f444c25f6207261bfa2278415af16198924bc7400718ad7fb02ac
SSDEEP

98304:W4corGv9gX1zLFNCJav9VHy+E0z1SaIXgp6yMKW:13Gv9gXdLFjry+p1SaIXgpwK

Score

10^/10

gcleaner defense_evasion discovery loader

Malware Config

Extracted

Family

gcleaner

C2

185.156.73.73

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__	SecuriteInfo.com.Win32.Evo-gen.4184.31311.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	SecuriteInfo.com.Win32.Evo-gen.4184.31311.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	SecuriteInfo.com.Win32.Evo-gen.4184.31311.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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Wine	SecuriteInfo.com.Win32.Evo-gen.4184.31311.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2520	SecuriteInfo.com.Win32.Evo-gen.4184.31311.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2520 set thread context of 2760	2520	SecuriteInfo.com.Win32.Evo-gen.4184.31311.exe	30

System Location Discovery: System Language Discovery 1 TTPs 2 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	SecuriteInfo.com.Win32.Evo-gen.4184.31311.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	BitLockerToGo.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2520	SecuriteInfo.com.Win32.Evo-gen.4184.31311.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2520 wrote to memory of 2760	2520	SecuriteInfo.com.Win32.Evo-gen.4184.31311.exe	30
PID 2520 wrote to memory of 2760	2520	SecuriteInfo.com.Win32.Evo-gen.4184.31311.exe	30
PID 2520 wrote to memory of 2760	2520	SecuriteInfo.com.Win32.Evo-gen.4184.31311.exe	30
PID 2520 wrote to memory of 2760	2520	SecuriteInfo.com.Win32.Evo-gen.4184.31311.exe	30
PID 2520 wrote to memory of 2760	2520	SecuriteInfo.com.Win32.Evo-gen.4184.31311.exe	30
PID 2520 wrote to memory of 2760	2520	SecuriteInfo.com.Win32.Evo-gen.4184.31311.exe	30
PID 2520 wrote to memory of 2760	2520	SecuriteInfo.com.Win32.Evo-gen.4184.31311.exe	30
PID 2520 wrote to memory of 2760	2520	SecuriteInfo.com.Win32.Evo-gen.4184.31311.exe	30
PID 2520 wrote to memory of 2760	2520	SecuriteInfo.com.Win32.Evo-gen.4184.31311.exe	30
PID 2520 wrote to memory of 2760	2520	SecuriteInfo.com.Win32.Evo-gen.4184.31311.exe	30
PID 2520 wrote to memory of 2760	2520	SecuriteInfo.com.Win32.Evo-gen.4184.31311.exe	30

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.Evo-gen.4184.31311.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.Evo-gen.4184.31311.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
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2520
- C:\Windows\BitLockerDiscoveryVolumeContents\BitLockerToGo.exe
  "C:\Windows\BitLockerDiscoveryVolumeContents\BitLockerToGo.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2760

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

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

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\WCATT3E5\service[1].htm

Filesize
1B

MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

Download Submit
memory/2520-6-0x00000000008E0000-0x0000000001425000-memory.dmp

Filesize
11.3MB

Download
memory/2520-11-0x00000000008E0000-0x0000000001425000-memory.dmp

Filesize
11.3MB

Download
memory/2520-3-0x00000000008E0000-0x0000000001425000-memory.dmp

Filesize
11.3MB

Download
memory/2520-4-0x00000000008E0000-0x0000000001425000-memory.dmp

Filesize
11.3MB

Download
memory/2520-5-0x00000000008E0000-0x0000000001425000-memory.dmp

Filesize
11.3MB

Download
memory/2520-0-0x00000000008E0000-0x0000000001425000-memory.dmp

Filesize
11.3MB

Download
memory/2520-1-0x0000000077D20000-0x0000000077D22000-memory.dmp

Filesize
8KB

Download
memory/2520-2-0x00000000008E1000-0x0000000000B32000-memory.dmp

Filesize
2.3MB

Download
memory/2760-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2760-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2760-10-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2760-13-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2760-17-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/2760-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads