gcleaner | b2e7222f8455e06b6d44d193106363480124505df582b5d544df23e579aa325b

General

Target

b2e7222f8455e06b6d44d193106363480124505df582b5d544df23e579aa325b.exe
Size

262KB
MD5

dba3846a51c92775dac4fe38fe1565fc
SHA1

fde82884cf24699f55378ced90a106d0d370b033
SHA256

b2e7222f8455e06b6d44d193106363480124505df582b5d544df23e579aa325b
SHA512

b8b2f71d91e4a1c44b5f5c634e67bbca7e0424e78ede4607920fd87b0c81d71a41d21ca1a55e3ad6f000ee067f5dcd750ee341f8ec1238042fe1db30cac38bc0
SSDEEP

6144:/6xMSaDuUKG2sGGQmDJzx82WaD7sRuiae/Y:/6xraCvHGQoShakRha

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:

b2e7222f8455e06b6d44d193106363480124505df582b5d544df23e579aa325b.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Control Panel\International\Geo\Nation	b2e7222f8455e06b6d44d193106363480124505df582b5d544df23e579aa325b.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
2240	2684	WerFault.exe	b2e7222f8455e06b6d44d193106363480124505df582b5d544df23e579aa325b.exe
2140	2684	WerFault.exe	b2e7222f8455e06b6d44d193106363480124505df582b5d544df23e579aa325b.exe
4188	2684	WerFault.exe	b2e7222f8455e06b6d44d193106363480124505df582b5d544df23e579aa325b.exe
2592	2684	WerFault.exe	b2e7222f8455e06b6d44d193106363480124505df582b5d544df23e579aa325b.exe
1144	2684	WerFault.exe	b2e7222f8455e06b6d44d193106363480124505df582b5d544df23e579aa325b.exe
640	2684	WerFault.exe	b2e7222f8455e06b6d44d193106363480124505df582b5d544df23e579aa325b.exe
3516	2684	WerFault.exe	b2e7222f8455e06b6d44d193106363480124505df582b5d544df23e579aa325b.exe
1572	2684	WerFault.exe	b2e7222f8455e06b6d44d193106363480124505df582b5d544df23e579aa325b.exe
908	2684	WerFault.exe	b2e7222f8455e06b6d44d193106363480124505df582b5d544df23e579aa325b.exe
4868	2684	WerFault.exe	b2e7222f8455e06b6d44d193106363480124505df582b5d544df23e579aa325b.exe
3256	2684	WerFault.exe	b2e7222f8455e06b6d44d193106363480124505df582b5d544df23e579aa325b.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

2688 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 2688 taskkill.exe

pid	process
2688	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	2688	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

b2e7222f8455e06b6d44d193106363480124505df582b5d544df23e579aa325b.execmd.exe

description	pid	process	target process
PID 2684 wrote to memory of 1732	2684	b2e7222f8455e06b6d44d193106363480124505df582b5d544df23e579aa325b.exe	cmd.exe
PID 2684 wrote to memory of 1732	2684	b2e7222f8455e06b6d44d193106363480124505df582b5d544df23e579aa325b.exe	cmd.exe
PID 2684 wrote to memory of 1732	2684	b2e7222f8455e06b6d44d193106363480124505df582b5d544df23e579aa325b.exe	cmd.exe
PID 1732 wrote to memory of 2688	1732	cmd.exe	taskkill.exe
PID 1732 wrote to memory of 2688	1732	cmd.exe	taskkill.exe
PID 1732 wrote to memory of 2688	1732	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\b2e7222f8455e06b6d44d193106363480124505df582b5d544df23e579aa325b.exe
"C:\Users\Admin\AppData\Local\Temp\b2e7222f8455e06b6d44d193106363480124505df582b5d544df23e579aa325b.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2684

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2684 -s 452
2⤵
- Program crash
PID:2240

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2684 -s 500
2⤵
- Program crash
PID:2140

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2684 -s 748
2⤵
- Program crash
PID:4188

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2684 -s 768
2⤵
- Program crash
PID:2592

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2684 -s 760
2⤵
- Program crash
PID:1144

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2684 -s 792
2⤵
- Program crash
PID:640

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2684 -s 912
2⤵
- Program crash
PID:3516

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2684 -s 988
2⤵
- Program crash
PID:1572

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2684 -s 1032
2⤵
- Program crash
PID:908

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2684 -s 1356
2⤵
- Program crash
PID:4868

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "b2e7222f8455e06b6d44d193106363480124505df582b5d544df23e579aa325b.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\b2e7222f8455e06b6d44d193106363480124505df582b5d544df23e579aa325b.exe" & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:1732

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "b2e7222f8455e06b6d44d193106363480124505df582b5d544df23e579aa325b.exe" /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2688

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2684 -s 1372
2⤵
- Program crash
PID:3256

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2684 -ip 2684
1⤵
PID:3392

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 2684 -ip 2684
1⤵
PID:1768

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2684 -ip 2684
1⤵
PID:2272

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 2684 -ip 2684
1⤵
PID:3920

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 2684 -ip 2684
1⤵
PID:4176

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 2684 -ip 2684
1⤵
PID:4740

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 2684 -ip 2684
1⤵
PID:4628

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 2684 -ip 2684
1⤵
PID:432

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 2684 -ip 2684
1⤵
PID:1920

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 2684 -ip 2684
1⤵
PID:5008

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 2684 -ip 2684
1⤵
PID:1100

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/2684-1-0x0000000002DC0000-0x0000000002EC0000-memory.dmp

Filesize
1024KB

Download
memory/2684-2-0x00000000048B0000-0x00000000048EC000-memory.dmp

Filesize
240KB

Download
memory/2684-3-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2684-7-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2684-6-0x0000000000400000-0x0000000002C99000-memory.dmp

Filesize
40.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads