gcleaner | fbd9a1d2f67e5cd2a0d29e36b1a6cdbf8f805334086fe436237a8e748067df9f

General

Target

fbd9a1d2f67e5cd2a0d29e36b1a6cdbf8f805334086fe436237a8e748067df9f.exe
Size

288KB
MD5

a8b84d2fafd699d768923a36aafd60e3
SHA1

7dc17a01751deebeb7479afc9e0fdf7dcb99140a
SHA256

fbd9a1d2f67e5cd2a0d29e36b1a6cdbf8f805334086fe436237a8e748067df9f
SHA512

91ad7677012309343650dfcbb08ac2bea7e0dace732d4cccd645cc7010204fb54e7a291e64272e247537def746722a641461698a7bc29c8bc8c3665c1a43c885
SSDEEP

6144:aXkp+Aj7tZEI2FWQ+JW34wdTn1EkYQHAr/Z40:mkp+AntZEI29wW1EkIq0

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:

fbd9a1d2f67e5cd2a0d29e36b1a6cdbf8f805334086fe436237a8e748067df9f.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\International\Geo\Nation	fbd9a1d2f67e5cd2a0d29e36b1a6cdbf8f805334086fe436237a8e748067df9f.exe

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

System Information Discovery
T1082

Program crash 11 IoCs

Processes:

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

pid	pid_target	process	target process
3492	3056	WerFault.exe	fbd9a1d2f67e5cd2a0d29e36b1a6cdbf8f805334086fe436237a8e748067df9f.exe
536	3056	WerFault.exe	fbd9a1d2f67e5cd2a0d29e36b1a6cdbf8f805334086fe436237a8e748067df9f.exe
628	3056	WerFault.exe	fbd9a1d2f67e5cd2a0d29e36b1a6cdbf8f805334086fe436237a8e748067df9f.exe
412	3056	WerFault.exe	fbd9a1d2f67e5cd2a0d29e36b1a6cdbf8f805334086fe436237a8e748067df9f.exe
4584	3056	WerFault.exe	fbd9a1d2f67e5cd2a0d29e36b1a6cdbf8f805334086fe436237a8e748067df9f.exe
4620	3056	WerFault.exe	fbd9a1d2f67e5cd2a0d29e36b1a6cdbf8f805334086fe436237a8e748067df9f.exe
4220	3056	WerFault.exe	fbd9a1d2f67e5cd2a0d29e36b1a6cdbf8f805334086fe436237a8e748067df9f.exe
1668	3056	WerFault.exe	fbd9a1d2f67e5cd2a0d29e36b1a6cdbf8f805334086fe436237a8e748067df9f.exe
1432	3056	WerFault.exe	fbd9a1d2f67e5cd2a0d29e36b1a6cdbf8f805334086fe436237a8e748067df9f.exe
1452	3056	WerFault.exe	fbd9a1d2f67e5cd2a0d29e36b1a6cdbf8f805334086fe436237a8e748067df9f.exe
5012	3056	WerFault.exe	fbd9a1d2f67e5cd2a0d29e36b1a6cdbf8f805334086fe436237a8e748067df9f.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

4644 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 4644 taskkill.exe

pid	process
4644	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	4644	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

fbd9a1d2f67e5cd2a0d29e36b1a6cdbf8f805334086fe436237a8e748067df9f.execmd.exe

description	pid	process	target process
PID 3056 wrote to memory of 4304	3056	fbd9a1d2f67e5cd2a0d29e36b1a6cdbf8f805334086fe436237a8e748067df9f.exe	cmd.exe
PID 3056 wrote to memory of 4304	3056	fbd9a1d2f67e5cd2a0d29e36b1a6cdbf8f805334086fe436237a8e748067df9f.exe	cmd.exe
PID 3056 wrote to memory of 4304	3056	fbd9a1d2f67e5cd2a0d29e36b1a6cdbf8f805334086fe436237a8e748067df9f.exe	cmd.exe
PID 4304 wrote to memory of 4644	4304	cmd.exe	taskkill.exe
PID 4304 wrote to memory of 4644	4304	cmd.exe	taskkill.exe
PID 4304 wrote to memory of 4644	4304	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\fbd9a1d2f67e5cd2a0d29e36b1a6cdbf8f805334086fe436237a8e748067df9f.exe
"C:\Users\Admin\AppData\Local\Temp\fbd9a1d2f67e5cd2a0d29e36b1a6cdbf8f805334086fe436237a8e748067df9f.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3056

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3056 -s 456
2⤵
- Program crash
PID:3492

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3056 -s 480
2⤵
- Program crash
PID:536

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3056 -s 748
2⤵
- Program crash
PID:628

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3056 -s 788
2⤵
- Program crash
PID:412

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3056 -s 808
2⤵
- Program crash
PID:4584

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3056 -s 848
2⤵
- Program crash
PID:4620

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3056 -s 912
2⤵
- Program crash
PID:4220

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3056 -s 988
2⤵
- Program crash
PID:1668

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3056 -s 1164
2⤵
- Program crash
PID:1432

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3056 -s 1352
2⤵
- Program crash
PID:1452

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "fbd9a1d2f67e5cd2a0d29e36b1a6cdbf8f805334086fe436237a8e748067df9f.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\fbd9a1d2f67e5cd2a0d29e36b1a6cdbf8f805334086fe436237a8e748067df9f.exe" & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:4304

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "fbd9a1d2f67e5cd2a0d29e36b1a6cdbf8f805334086fe436237a8e748067df9f.exe" /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4644

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3056 -s 1444
2⤵
- Program crash
PID:5012

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3056 -ip 3056
1⤵
PID:4644

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 3056 -ip 3056
1⤵
PID:3416

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 3056 -ip 3056
1⤵
PID:2168

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 3056 -ip 3056
1⤵
PID:2416

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 3056 -ip 3056
1⤵
PID:3484

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 3056 -ip 3056
1⤵
PID:1916

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 3056 -ip 3056
1⤵
PID:2684

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 3056 -ip 3056
1⤵
PID:4116

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 3056 -ip 3056
1⤵
PID:4912

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=4356,i,15142778360084620907,1763097090506261076,262144 --variations-seed-version --mojo-platform-channel-handle=4380 /prefetch:8
1⤵
PID:1288

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 3056 -ip 3056
1⤵
PID:452

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 3056 -ip 3056
1⤵
PID:1992

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/3056-1-0x00000000006F0000-0x00000000007F0000-memory.dmp

Filesize
1024KB

Download
memory/3056-2-0x00000000020A0000-0x00000000020DC000-memory.dmp

Filesize
240KB

Download
memory/3056-3-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/3056-6-0x0000000000400000-0x0000000000492000-memory.dmp

Filesize
584KB

Download
memory/3056-7-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads