gcleaner | fcbc5368450fced9d7e11786ab4fd92010cc9e57ef9e16b714deec5a0bf36847

Analysis

max time kernel
125s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
30-06-2024 07:12

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General

Target

fcbc5368450fced9d7e11786ab4fd92010cc9e57ef9e16b714deec5a0bf36847.exe
Size

240KB
MD5

6f0cfbd656c35c037a6cde9c2dfa6112
SHA1

0549b408ee38fa08cc36e0a74d3ce3efe138bb80
SHA256

fcbc5368450fced9d7e11786ab4fd92010cc9e57ef9e16b714deec5a0bf36847
SHA512

82303860a27cafa1468477fc689d7a8212ef472bc83e99cd9951e01971035c21b77d22a0a03c2727fde8cf3e83211ea7d7834d763150c1f2d2578ebd05b187db
SSDEEP

6144:5167iAzXCJ/aXG4lqsq/4B5p9E0vHTSW:5c7iAzXCJPuq/w9E0fV

Score

10^/10

gcleaner loader

Malware Config

Extracted

Family

gcleaner

185.172.128.90

185.172.128.69

Attributes

url_path
/advdlc.php

Signatures

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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

fcbc5368450fced9d7e11786ab4fd92010cc9e57ef9e16b714deec5a0bf36847.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\International\Geo\Nation	fcbc5368450fced9d7e11786ab4fd92010cc9e57ef9e16b714deec5a0bf36847.exe

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

System Information Discovery
T1082

Program crash 9 IoCs

Processes:

WerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exe

pid	pid_target	process	target process
4360	3084	WerFault.exe	fcbc5368450fced9d7e11786ab4fd92010cc9e57ef9e16b714deec5a0bf36847.exe
3448	3084	WerFault.exe	fcbc5368450fced9d7e11786ab4fd92010cc9e57ef9e16b714deec5a0bf36847.exe
1204	3084	WerFault.exe	fcbc5368450fced9d7e11786ab4fd92010cc9e57ef9e16b714deec5a0bf36847.exe
5084	3084	WerFault.exe	fcbc5368450fced9d7e11786ab4fd92010cc9e57ef9e16b714deec5a0bf36847.exe
2964	3084	WerFault.exe	fcbc5368450fced9d7e11786ab4fd92010cc9e57ef9e16b714deec5a0bf36847.exe
4144	3084	WerFault.exe	fcbc5368450fced9d7e11786ab4fd92010cc9e57ef9e16b714deec5a0bf36847.exe
2392	3084	WerFault.exe	fcbc5368450fced9d7e11786ab4fd92010cc9e57ef9e16b714deec5a0bf36847.exe
4980	3084	WerFault.exe	fcbc5368450fced9d7e11786ab4fd92010cc9e57ef9e16b714deec5a0bf36847.exe
3228	3084	WerFault.exe	fcbc5368450fced9d7e11786ab4fd92010cc9e57ef9e16b714deec5a0bf36847.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

4044 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 4044 taskkill.exe

pid	process
4044	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	4044	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

fcbc5368450fced9d7e11786ab4fd92010cc9e57ef9e16b714deec5a0bf36847.execmd.exe

description	pid	process	target process
PID 3084 wrote to memory of 2552	3084	fcbc5368450fced9d7e11786ab4fd92010cc9e57ef9e16b714deec5a0bf36847.exe	cmd.exe
PID 3084 wrote to memory of 2552	3084	fcbc5368450fced9d7e11786ab4fd92010cc9e57ef9e16b714deec5a0bf36847.exe	cmd.exe
PID 3084 wrote to memory of 2552	3084	fcbc5368450fced9d7e11786ab4fd92010cc9e57ef9e16b714deec5a0bf36847.exe	cmd.exe
PID 2552 wrote to memory of 4044	2552	cmd.exe	taskkill.exe
PID 2552 wrote to memory of 4044	2552	cmd.exe	taskkill.exe
PID 2552 wrote to memory of 4044	2552	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\fcbc5368450fced9d7e11786ab4fd92010cc9e57ef9e16b714deec5a0bf36847.exe
"C:\Users\Admin\AppData\Local\Temp\fcbc5368450fced9d7e11786ab4fd92010cc9e57ef9e16b714deec5a0bf36847.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3084

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3084 -s 740
2⤵
- Program crash
PID:4360

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3084 -s 760
2⤵
- Program crash
PID:3448

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3084 -s 740
2⤵
- Program crash
PID:1204

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3084 -s 812
2⤵
- Program crash
PID:5084

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3084 -s 904
2⤵
- Program crash
PID:2964

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3084 -s 1000
2⤵
- Program crash
PID:4144

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3084 -s 980
2⤵
- Program crash
PID:2392

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3084 -s 1356
2⤵
- Program crash
PID:4980

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "fcbc5368450fced9d7e11786ab4fd92010cc9e57ef9e16b714deec5a0bf36847.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\fcbc5368450fced9d7e11786ab4fd92010cc9e57ef9e16b714deec5a0bf36847.exe" & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:2552

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "fcbc5368450fced9d7e11786ab4fd92010cc9e57ef9e16b714deec5a0bf36847.exe" /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4044

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3084 -s 1332
2⤵
- Program crash
PID:3228

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 3084 -ip 3084
1⤵
PID:4004

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 3084 -ip 3084
1⤵
PID:4980

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 3084 -ip 3084
1⤵
PID:4016

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 3084 -ip 3084
1⤵
PID:4708

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 3084 -ip 3084
1⤵
PID:4672

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 3084 -ip 3084
1⤵
PID:3060

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3084 -ip 3084
1⤵
PID:2768

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4672,i,15142778360084620907,1763097090506261076,262144 --variations-seed-version --mojo-platform-channel-handle=4376 /prefetch:8
1⤵
PID:3812

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3084 -ip 3084
1⤵
PID:4484

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 3084 -ip 3084
1⤵
PID:1408

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\YOJF4VYG\advdlc[1].htm
Filesize
1B

MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

Download Submit
memory/3084-3-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3084-2-0x0000000002D50000-0x0000000002D7D000-memory.dmp

Filesize
180KB

Download
memory/3084-1-0x0000000002EB0000-0x0000000002FB0000-memory.dmp

Filesize
1024KB

Download
memory/3084-4-0x0000000000400000-0x0000000002BF5000-memory.dmp

Filesize
40.0MB

Download
memory/3084-6-0x0000000002EB0000-0x0000000002FB0000-memory.dmp

Filesize
1024KB

Download
memory/3084-12-0x0000000000400000-0x0000000002BF5000-memory.dmp

Filesize
40.0MB

Download
memory/3084-25-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3084-24-0x0000000000400000-0x0000000002BF5000-memory.dmp

Filesize
40.0MB

Download