gcleaner | 3b4bc633af4d5be9c0c004b72c8d50516e6020193dedaaeb6afb1174b7037c9c

Analysis

max time kernel
150s
max time network
148s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
12/09/2026, 09:05

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General

Target
jaffacakes118_3b4bc633af4d5be9c0c004b72c8d50516e6020193dedaaeb6afb1174b7037c9c.exe
Size 3.3MB
Sample260912-k2aegavycv
SHA256 3b4bc633af4d5be9c0c004b72c8d50516e6020193dedaaeb6afb1174b7037c9c
MD5 4b7127a2f71f46ae4d3cb21c519fc6e2
SHA1 b3004d13470568d904b9216a0fa23cfd323debc9
SHA512 c526dc8068b78c5c1d6dcf1e04f00ca93b1cd35bdd5ba9763b58e6fca47027096316bda48ea2ecedb9cb4254b2e2a12de8bc463ce6d4b8600fc2031e591cfee5
SSDEEP 98304:XI8gggr4zpLoNRZd+JTlw8hdwDaeKe2VgLP:XnFpk/KBlw8hdwDHKe2uz
TLSH
T1BDF5F112E2661BBBDCA62B7F29267BF7E7C7B5633940704AF794380D3A725011C12663
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery gcleaner loader

Malware Config

Extracted

Family

gcleaner

45.91.200.135

Signatures

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

Downloads MZ/PE file 1 IoCs

flow	pid	Process
6	4992	svchost015.exe

Executes dropped EXE 1 IoCs

pid	Process
4992	svchost015.exe

Loads dropped DLL 1 IoCs

pid	Process
4992	svchost015.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1136 set thread context of 4992	1136	jaffacakes118_3b4bc633af4d5be9c0c004b72c8d50516e6020193dedaaeb6afb1174b7037c9c.exe	87

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	svchost015.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jaffacakes118_3b4bc633af4d5be9c0c004b72c8d50516e6020193dedaaeb6afb1174b7037c9c.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 1136 wrote to memory of 4992	1136	jaffacakes118_3b4bc633af4d5be9c0c004b72c8d50516e6020193dedaaeb6afb1174b7037c9c.exe	87

C:\Users\Admin\AppData\Local\Temp\jaffacakes118_3b4bc633af4d5be9c0c004b72c8d50516e6020193dedaaeb6afb1174b7037c9c.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_3b4bc633af4d5be9c0c004b72c8d50516e6020193dedaaeb6afb1174b7037c9c.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1136
- C:\Users\Admin\AppData\Local\Temp\svchost015.exe
  C:\Users\Admin\AppData\Local\Temp\svchost015.exe
  2⤵
  - Downloads MZ/PE file
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:4992

Network

MITRE ATT&CK Enterprise v16

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

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Downloads

service[1].htm

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\0ZRRKB0Q\service[1].htm
Size 1B
SHA256 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
MD5 cfcd208495d565ef66e7dff9f98764da
SHA1 b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA512 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99
MD5 SHA1 SHA512

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svchost015.exe

Path C:\Users\Admin\AppData\Local\Temp\svchost015.exe
Size 2.6MB
SHA256 4e04e2fb20a9c6846b5d693ea67098214f77737f4f1f3df5f0c78594650e7f71
MD5 ceeae1523c3864b719e820b75bf728aa
SHA1 cf607927b6ef864a11bf7ebbcdbb59891d23d320
SHA512 a06da3b96084040d49964b2227402ff1a2548ee5f1459df6b64bc6cbb271f19a00a798333e0f608d03c5a6de7355ae916309250204900117e3ef101f764d0f5f
SSDEEP 49152:OmI7Yi7hoaYCDuYX5417hQSCJV93mWADzh:/iVomD/pQhQYWuzh
TLSH
T172C59E60BBCAC1B2DA8B517A016EA71F5769EF84271055C3E3443E0ECD747D26E3A1CA
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/1136-1-0x000000000047D000-0x000000000047E000-memory.dmp

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memory/1136-2-0x00000000024F0000-0x00000000024F1000-memory.dmp

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memory/1136-3-0x0000000000400000-0x000000000075B000-memory.dmp

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memory/1136-5-0x0000000000400000-0x000000000075B000-memory.dmp

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memory/1136-0-0x00000000024F0000-0x00000000024F1000-memory.dmp

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memory/4992-11-0x0000000001320000-0x000000000134F000-memory.dmp

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memory/4992-19-0x0000000010000000-0x000000001001C000-memory.dmp

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memory/4992-16-0x0000000001320000-0x000000000134F000-memory.dmp

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memory/4992-26-0x0000000001320000-0x000000000134F000-memory.dmp

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memory/4992-43-0x0000000001320000-0x000000000134F000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads