gcleaner | ef0dda851eccd4bdd9311d9299a679639299683ec4e6741ff0ce2b0366108d64

General

Target

ef0dda851eccd4bdd9311d9299a679639299683ec4e6741ff0ce2b0366108d64.exe
Size

293KB
MD5

3fa7d706bc454825143f16e01ac3a1bb
SHA1

96ddd3ca9af68c938de16ac55fd286a7cf44e782
SHA256

ef0dda851eccd4bdd9311d9299a679639299683ec4e6741ff0ce2b0366108d64
SHA512

d4d349b3f40535e79997c3ec18caa202164e26ff167aa85b81d52ea805a8804a450209c5cae6495a4518fe761ef5a6278ecf53c88c83155c1c61cee101afea8d
SSDEEP

3072:mLjEvw617PwTBXWjFGT4YpBiF+6J4zTBJ3a2mGYiv05ZxKauhEh:T17aBGjFg4YpBiF+6yzDK1ioxKauQ

Score

10^/10

gcleaner loader

Malware Config

Extracted

Family

gcleaner

C2

185.172.128.90

5.42.65.64

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:

ef0dda851eccd4bdd9311d9299a679639299683ec4e6741ff0ce2b0366108d64.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	ef0dda851eccd4bdd9311d9299a679639299683ec4e6741ff0ce2b0366108d64.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
876	3484	WerFault.exe	ef0dda851eccd4bdd9311d9299a679639299683ec4e6741ff0ce2b0366108d64.exe
4124	3484	WerFault.exe	ef0dda851eccd4bdd9311d9299a679639299683ec4e6741ff0ce2b0366108d64.exe
4644	3484	WerFault.exe	ef0dda851eccd4bdd9311d9299a679639299683ec4e6741ff0ce2b0366108d64.exe
1376	3484	WerFault.exe	ef0dda851eccd4bdd9311d9299a679639299683ec4e6741ff0ce2b0366108d64.exe
4584	3484	WerFault.exe	ef0dda851eccd4bdd9311d9299a679639299683ec4e6741ff0ce2b0366108d64.exe
3648	3484	WerFault.exe	ef0dda851eccd4bdd9311d9299a679639299683ec4e6741ff0ce2b0366108d64.exe
1844	3484	WerFault.exe	ef0dda851eccd4bdd9311d9299a679639299683ec4e6741ff0ce2b0366108d64.exe
1420	3484	WerFault.exe	ef0dda851eccd4bdd9311d9299a679639299683ec4e6741ff0ce2b0366108d64.exe
3848	3484	WerFault.exe	ef0dda851eccd4bdd9311d9299a679639299683ec4e6741ff0ce2b0366108d64.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

3612 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 3612 taskkill.exe

pid	process
3612	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	3612	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

ef0dda851eccd4bdd9311d9299a679639299683ec4e6741ff0ce2b0366108d64.execmd.exe

description	pid	process	target process
PID 3484 wrote to memory of 1408	3484	ef0dda851eccd4bdd9311d9299a679639299683ec4e6741ff0ce2b0366108d64.exe	cmd.exe
PID 3484 wrote to memory of 1408	3484	ef0dda851eccd4bdd9311d9299a679639299683ec4e6741ff0ce2b0366108d64.exe	cmd.exe
PID 3484 wrote to memory of 1408	3484	ef0dda851eccd4bdd9311d9299a679639299683ec4e6741ff0ce2b0366108d64.exe	cmd.exe
PID 1408 wrote to memory of 3612	1408	cmd.exe	taskkill.exe
PID 1408 wrote to memory of 3612	1408	cmd.exe	taskkill.exe
PID 1408 wrote to memory of 3612	1408	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\ef0dda851eccd4bdd9311d9299a679639299683ec4e6741ff0ce2b0366108d64.exe
"C:\Users\Admin\AppData\Local\Temp\ef0dda851eccd4bdd9311d9299a679639299683ec4e6741ff0ce2b0366108d64.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3484

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3484 -s 748
2⤵
- Program crash
PID:876

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3484 -s 736
2⤵
- Program crash
PID:4124

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3484 -s 748
2⤵
- Program crash
PID:4644

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3484 -s 812
2⤵
- Program crash
PID:1376

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3484 -s 904
2⤵
- Program crash
PID:4584

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3484 -s 904
2⤵
- Program crash
PID:3648

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3484 -s 1080
2⤵
- Program crash
PID:1844

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3484 -s 1336
2⤵
- Program crash
PID:1420

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "ef0dda851eccd4bdd9311d9299a679639299683ec4e6741ff0ce2b0366108d64.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\ef0dda851eccd4bdd9311d9299a679639299683ec4e6741ff0ce2b0366108d64.exe" & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:1408

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "ef0dda851eccd4bdd9311d9299a679639299683ec4e6741ff0ce2b0366108d64.exe" /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3612

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3484 -s 1332
2⤵
- Program crash
PID:3848

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3484 -ip 3484
1⤵
PID:1620

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3484 -ip 3484
1⤵
PID:2304

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 3484 -ip 3484
1⤵
PID:1480

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 3484 -ip 3484
1⤵
PID:4768

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 3484 -ip 3484
1⤵
PID:3880

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 3484 -ip 3484
1⤵
PID:1680

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 580 -p 3484 -ip 3484
1⤵
PID:4612

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 588 -p 3484 -ip 3484
1⤵
PID:448

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 648 -p 3484 -ip 3484
1⤵
PID:4152

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 --mojo-platform-channel-handle=4232 --field-trial-handle=2656,i,16940681401824032220,151921362336696246,262144 --variations-seed-version /prefetch:8
1⤵
PID:2108

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

memory/3484-1-0x0000000000A30000-0x0000000000B30000-memory.dmp

Filesize
1024KB

Download
memory/3484-2-0x00000000009F0000-0x0000000000A1D000-memory.dmp

Filesize
180KB

Download
memory/3484-3-0x0000000000400000-0x000000000084A000-memory.dmp

Filesize
4.3MB

Download
memory/3484-6-0x0000000000400000-0x000000000084A000-memory.dmp

Filesize
4.3MB

Download
memory/3484-7-0x00000000009F0000-0x0000000000A1D000-memory.dmp

Filesize
180KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads