gcleaner | 574c5ba90e69460799a53ea6fc88d8c6ba4b2b749f739f61779e1975e53e15d9

Analysis

max time kernel
102s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
04/04/2025, 08:40

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General

Target

random.exe
Size

5.9MB
MD5

e05432c13d42b8526ce4bc0dc240d297
SHA1

db6e9382425055030662ecdc95d6405d30dcf82a
SHA256

574c5ba90e69460799a53ea6fc88d8c6ba4b2b749f739f61779e1975e53e15d9
SHA512

56ad65cc3608f67b680599f8769a0bb0a8b16bdaaf62569c517fa54e72c12671d57472c1e88baaa13cf69a95b84887c527cba666abbca61a923d380dd71481ee
SSDEEP

98304:DX54fPfKCBNONlMkAH1sQRmiI5Q0TXoQDj:DXqXfKCyNStm+0r/P

Score

10^/10

gcleaner discovery loader

Malware Config

Extracted

Family

gcleaner

185.156.73.98

45.91.200.135

Signatures

GCleaner
GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.
loader gcleaner
Gcleaner family
gcleaner

Downloads MZ/PE file 1 IoCs

flow	pid	Process
58	3548	svchost015.exe

Executes dropped EXE 1 IoCs

pid	Process
3548	svchost015.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5532 set thread context of 3548	5532	random.exe	92

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	random.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost015.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 5532 wrote to memory of 3548	5532	random.exe	92
PID 5532 wrote to memory of 3548	5532	random.exe	92
PID 5532 wrote to memory of 3548	5532	random.exe	92
PID 5532 wrote to memory of 3548	5532	random.exe	92
PID 5532 wrote to memory of 3548	5532	random.exe	92
PID 5532 wrote to memory of 3548	5532	random.exe	92
PID 5532 wrote to memory of 3548	5532	random.exe	92
PID 5532 wrote to memory of 3548	5532	random.exe	92
PID 5532 wrote to memory of 3548	5532	random.exe	92

C:\Users\Admin\AppData\Local\Temp\random.exe
"C:\Users\Admin\AppData\Local\Temp\random.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5532
- C:\Users\Admin\AppData\Local\Temp\svchost015.exe
  "C:\Users\Admin\AppData\Local\Temp\random.exe"
  2⤵
  - Downloads MZ/PE file
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3548

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\0CMYC78C\service[1].htm

Filesize
1B

MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

Download Submit
C:\Users\Admin\AppData\Local\Temp\svchost015.exe

Filesize
2.9MB

MD5
b826dd92d78ea2526e465a34324ebeea

SHA1
bf8a0093acfd2eb93c102e1a5745fb080575372e

SHA256
7824b50acdd144764dac7445a4067b35cf0fef619e451045ab6c1f54f5653a5b

SHA512
1ac4b731b9b31cabf3b1c43aee37206aee5326c8e786abe2ab38e031633b778f97f2d6545cf745c3066f3bd47b7aaf2ded2f9955475428100eaf271dd9aeef17

Download Submit
memory/3548-9-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3548-8-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3548-4-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3548-10-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3548-12-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3548-15-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/3548-21-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3548-36-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3548-42-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/5532-7-0x0000000000400000-0x00000000009F2000-memory.dmp

Filesize
5.9MB

Download
memory/5532-0-0x0000000000BE0000-0x0000000000BE1000-memory.dmp

Filesize
4KB

Download
memory/5532-1-0x0000000003290000-0x0000000003775000-memory.dmp

Filesize
4.9MB

Download