gcleaner | 6eecccb0f0a0b65fc520c137e2b4dd9d969e1fb41df341095750b0e3ebebaad8

General

Target

6eecccb0f0a0b65fc520c137e2b4dd9d969e1fb41df341095750b0e3ebebaad8.exe
Size

380KB
MD5

c98b465dcff9411ba3ca035ebc55bfd4
SHA1

f824b8eae510d7740a497f7e776a79e45c04b20b
SHA256

6eecccb0f0a0b65fc520c137e2b4dd9d969e1fb41df341095750b0e3ebebaad8
SHA512

a7c6b9d5413fa3f61db9ccfa642de2655f0c01b5248525816847057fe7bd6ad8f285cd09a79f6e983472cb0f6fd09d3fbacf527f58b4533bc618d818e75fe156
SSDEEP

6144:OOCKlZmp+Uk4OWGdljNHigSpTegb1+fHB:VCKjjUXOFijfg

Score

10^/10

gcleaner loader

Malware Config

Extracted

Family

gcleaner

C2

185.172.128.90

5.42.64.56

185.172.128.69

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:

6eecccb0f0a0b65fc520c137e2b4dd9d969e1fb41df341095750b0e3ebebaad8.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\International\Geo\Nation	6eecccb0f0a0b65fc520c137e2b4dd9d969e1fb41df341095750b0e3ebebaad8.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
1772	4084	WerFault.exe	6eecccb0f0a0b65fc520c137e2b4dd9d969e1fb41df341095750b0e3ebebaad8.exe
2172	4084	WerFault.exe	6eecccb0f0a0b65fc520c137e2b4dd9d969e1fb41df341095750b0e3ebebaad8.exe
5096	4084	WerFault.exe	6eecccb0f0a0b65fc520c137e2b4dd9d969e1fb41df341095750b0e3ebebaad8.exe
4940	4084	WerFault.exe	6eecccb0f0a0b65fc520c137e2b4dd9d969e1fb41df341095750b0e3ebebaad8.exe
2692	4084	WerFault.exe	6eecccb0f0a0b65fc520c137e2b4dd9d969e1fb41df341095750b0e3ebebaad8.exe
4196	4084	WerFault.exe	6eecccb0f0a0b65fc520c137e2b4dd9d969e1fb41df341095750b0e3ebebaad8.exe
3624	4084	WerFault.exe	6eecccb0f0a0b65fc520c137e2b4dd9d969e1fb41df341095750b0e3ebebaad8.exe
4316	4084	WerFault.exe	6eecccb0f0a0b65fc520c137e2b4dd9d969e1fb41df341095750b0e3ebebaad8.exe
864	4084	WerFault.exe	6eecccb0f0a0b65fc520c137e2b4dd9d969e1fb41df341095750b0e3ebebaad8.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

4036 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 4036 taskkill.exe

pid	process
4036	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	4036	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

6eecccb0f0a0b65fc520c137e2b4dd9d969e1fb41df341095750b0e3ebebaad8.execmd.exe

description	pid	process	target process
PID 4084 wrote to memory of 3304	4084	6eecccb0f0a0b65fc520c137e2b4dd9d969e1fb41df341095750b0e3ebebaad8.exe	cmd.exe
PID 4084 wrote to memory of 3304	4084	6eecccb0f0a0b65fc520c137e2b4dd9d969e1fb41df341095750b0e3ebebaad8.exe	cmd.exe
PID 4084 wrote to memory of 3304	4084	6eecccb0f0a0b65fc520c137e2b4dd9d969e1fb41df341095750b0e3ebebaad8.exe	cmd.exe
PID 3304 wrote to memory of 4036	3304	cmd.exe	taskkill.exe
PID 3304 wrote to memory of 4036	3304	cmd.exe	taskkill.exe
PID 3304 wrote to memory of 4036	3304	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\6eecccb0f0a0b65fc520c137e2b4dd9d969e1fb41df341095750b0e3ebebaad8.exe
"C:\Users\Admin\AppData\Local\Temp\6eecccb0f0a0b65fc520c137e2b4dd9d969e1fb41df341095750b0e3ebebaad8.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4084

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4084 -s 448
2⤵
- Program crash
PID:1772

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4084 -s 764
2⤵
- Program crash
PID:2172

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4084 -s 772
2⤵
- Program crash
PID:5096

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4084 -s 772
2⤵
- Program crash
PID:4940

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4084 -s 796
2⤵
- Program crash
PID:2692

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4084 -s 872
2⤵
- Program crash
PID:4196

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4084 -s 936
2⤵
- Program crash
PID:3624

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4084 -s 1364
2⤵
- Program crash
PID:4316

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "6eecccb0f0a0b65fc520c137e2b4dd9d969e1fb41df341095750b0e3ebebaad8.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\6eecccb0f0a0b65fc520c137e2b4dd9d969e1fb41df341095750b0e3ebebaad8.exe" & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:3304

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "6eecccb0f0a0b65fc520c137e2b4dd9d969e1fb41df341095750b0e3ebebaad8.exe" /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4036

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4084 -s 492
2⤵
- Program crash
PID:864

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 4084 -ip 4084
1⤵
PID:3452

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 4084 -ip 4084
1⤵
PID:3996

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4084 -ip 4084
1⤵
PID:880

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 4084 -ip 4084
1⤵
PID:1624

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4084 -ip 4084
1⤵
PID:4424

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4084 -ip 4084
1⤵
PID:2484

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4084 -ip 4084
1⤵
PID:4264

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 4084 -ip 4084
1⤵
PID:3228

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=4604,i,16710585221322798697,8586257254049248207,262144 --variations-seed-version --mojo-platform-channel-handle=4404 /prefetch:8
1⤵
PID:1172

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 4084 -ip 4084
1⤵
PID:892

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/4084-2-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/4084-1-0x00000000024E0000-0x00000000025E0000-memory.dmp

Filesize
1024KB

Download
memory/4084-3-0x0000000000400000-0x000000000237B000-memory.dmp

Filesize
31.5MB

Download
memory/4084-6-0x0000000000400000-0x000000000237B000-memory.dmp

Filesize
31.5MB

Download
memory/4084-7-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads