gcleaner | 6829cd3363711317c4908ab9d8cef51acb8644eee67399863b12d330af1d595c

General

Target

SecuriteInfo.com.Win32.Evo-gen.15210.14595.exe
Size

4.0MB
MD5

0f13a22fe1b712b948c24793f084bf03
SHA1

abbb2b79b88b521c304e1519844625f5b461282a
SHA256

6829cd3363711317c4908ab9d8cef51acb8644eee67399863b12d330af1d595c
SHA512

e401159544c133b29bb4db47b08267bc16b223895a71be20cf0ff52243c02d854372f27981e7fa9ddb2570d9c1d4d5324a874a3f9695f93179bd7ccfb73ee23a
SSDEEP

98304:nutKQ6ViSOh4OA0eN2qXtOOEbVCyCGSHApKhyFbk:nu3kONYNVtOOEgyC1HEGyFA

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.15210.14595.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.15210.14595.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	SecuriteInfo.com.Win32.Evo-gen.15210.14595.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-1-5-21-677481364-2238709445-1347953534-1000\Software\Wine	SecuriteInfo.com.Win32.Evo-gen.15210.14595.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2868	SecuriteInfo.com.Win32.Evo-gen.15210.14595.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2868 set thread context of 2052	2868	SecuriteInfo.com.Win32.Evo-gen.15210.14595.exe	28

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.15210.14595.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	BitLockerToGo.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2868	SecuriteInfo.com.Win32.Evo-gen.15210.14595.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2868 wrote to memory of 2052	2868	SecuriteInfo.com.Win32.Evo-gen.15210.14595.exe	28
PID 2868 wrote to memory of 2052	2868	SecuriteInfo.com.Win32.Evo-gen.15210.14595.exe	28
PID 2868 wrote to memory of 2052	2868	SecuriteInfo.com.Win32.Evo-gen.15210.14595.exe	28
PID 2868 wrote to memory of 2052	2868	SecuriteInfo.com.Win32.Evo-gen.15210.14595.exe	28
PID 2868 wrote to memory of 2052	2868	SecuriteInfo.com.Win32.Evo-gen.15210.14595.exe	28
PID 2868 wrote to memory of 2052	2868	SecuriteInfo.com.Win32.Evo-gen.15210.14595.exe	28
PID 2868 wrote to memory of 2052	2868	SecuriteInfo.com.Win32.Evo-gen.15210.14595.exe	28
PID 2868 wrote to memory of 2052	2868	SecuriteInfo.com.Win32.Evo-gen.15210.14595.exe	28
PID 2868 wrote to memory of 2052	2868	SecuriteInfo.com.Win32.Evo-gen.15210.14595.exe	28
PID 2868 wrote to memory of 2052	2868	SecuriteInfo.com.Win32.Evo-gen.15210.14595.exe	28
PID 2868 wrote to memory of 2052	2868	SecuriteInfo.com.Win32.Evo-gen.15210.14595.exe	28

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.Evo-gen.15210.14595.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.Evo-gen.15210.14595.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:2868
- C:\Windows\BitLockerDiscoveryVolumeContents\BitLockerToGo.exe
  "C:\Windows\BitLockerDiscoveryVolumeContents\BitLockerToGo.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2052

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\HIG00EVV\service[1].htm

Filesize
1B

MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

Download Submit
memory/2052-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2052-18-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/2052-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2052-10-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2052-13-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2052-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2868-8-0x00000000000F0000-0x0000000000BB3000-memory.dmp

Filesize
10.8MB

Download
memory/2868-0-0x00000000000F0000-0x0000000000BB3000-memory.dmp

Filesize
10.8MB

Download
memory/2868-7-0x00000000000F0000-0x0000000000BB3000-memory.dmp

Filesize
10.8MB

Download
memory/2868-6-0x00000000000F0000-0x0000000000BB3000-memory.dmp

Filesize
10.8MB

Download
memory/2868-2-0x00000000000F1000-0x000000000032E000-memory.dmp

Filesize
2.2MB

Download
memory/2868-11-0x00000000000F0000-0x0000000000BB3000-memory.dmp

Filesize
10.8MB

Download
memory/2868-3-0x00000000000F0000-0x0000000000BB3000-memory.dmp

Filesize
10.8MB

Download
memory/2868-4-0x00000000000F0000-0x0000000000BB3000-memory.dmp

Filesize
10.8MB

Download
memory/2868-5-0x00000000000F0000-0x0000000000BB3000-memory.dmp

Filesize
10.8MB

Download
memory/2868-1-0x0000000077A10000-0x0000000077A12000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads