gcleaner | f45bbbaa2fae3d163f04125fa324b403bb11a4d7b588a8c72fccbeb988655779

General

Target

f45bbbaa2fae3d163f04125fa324b403bb11a4d7b588a8c72fccbeb988655779.exe
Size

290KB
MD5

2b14fbbc19303ce96a67bd452ad2fbc8
SHA1

74a4978ddd2cac8e06ef471ca67ae5e61defbb8c
SHA256

f45bbbaa2fae3d163f04125fa324b403bb11a4d7b588a8c72fccbeb988655779
SHA512

e6534dc14e1f3d3990409d25567899da2bcd543669e39182ccb250c038e615e04d24231ecb64df6b82477af1b8b6d90f4dccba828ece84e4758c2c68ead4fdeb
SSDEEP

3072:2MKmbp7fIEhvrIy54O7+0kcYsNQnTfQxusMq3IXw9uqR4l5wP9HCL65WBxGX+hpR:sm97QQMy2UeTYAlP3yihBxv9EN2T

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:

f45bbbaa2fae3d163f04125fa324b403bb11a4d7b588a8c72fccbeb988655779.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\Control Panel\International\Geo\Nation	f45bbbaa2fae3d163f04125fa324b403bb11a4d7b588a8c72fccbeb988655779.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
840	1096	WerFault.exe	f45bbbaa2fae3d163f04125fa324b403bb11a4d7b588a8c72fccbeb988655779.exe
4760	1096	WerFault.exe	f45bbbaa2fae3d163f04125fa324b403bb11a4d7b588a8c72fccbeb988655779.exe
5044	1096	WerFault.exe	f45bbbaa2fae3d163f04125fa324b403bb11a4d7b588a8c72fccbeb988655779.exe
1932	1096	WerFault.exe	f45bbbaa2fae3d163f04125fa324b403bb11a4d7b588a8c72fccbeb988655779.exe
4492	1096	WerFault.exe	f45bbbaa2fae3d163f04125fa324b403bb11a4d7b588a8c72fccbeb988655779.exe
4412	1096	WerFault.exe	f45bbbaa2fae3d163f04125fa324b403bb11a4d7b588a8c72fccbeb988655779.exe
2768	1096	WerFault.exe	f45bbbaa2fae3d163f04125fa324b403bb11a4d7b588a8c72fccbeb988655779.exe
2340	1096	WerFault.exe	f45bbbaa2fae3d163f04125fa324b403bb11a4d7b588a8c72fccbeb988655779.exe
912	1096	WerFault.exe	f45bbbaa2fae3d163f04125fa324b403bb11a4d7b588a8c72fccbeb988655779.exe
1416	1096	WerFault.exe	f45bbbaa2fae3d163f04125fa324b403bb11a4d7b588a8c72fccbeb988655779.exe
3164	1096	WerFault.exe	f45bbbaa2fae3d163f04125fa324b403bb11a4d7b588a8c72fccbeb988655779.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

4028 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 4028 taskkill.exe

pid	process
4028	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	4028	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

f45bbbaa2fae3d163f04125fa324b403bb11a4d7b588a8c72fccbeb988655779.execmd.exe

description	pid	process	target process
PID 1096 wrote to memory of 808	1096	f45bbbaa2fae3d163f04125fa324b403bb11a4d7b588a8c72fccbeb988655779.exe	cmd.exe
PID 1096 wrote to memory of 808	1096	f45bbbaa2fae3d163f04125fa324b403bb11a4d7b588a8c72fccbeb988655779.exe	cmd.exe
PID 1096 wrote to memory of 808	1096	f45bbbaa2fae3d163f04125fa324b403bb11a4d7b588a8c72fccbeb988655779.exe	cmd.exe
PID 808 wrote to memory of 4028	808	cmd.exe	taskkill.exe
PID 808 wrote to memory of 4028	808	cmd.exe	taskkill.exe
PID 808 wrote to memory of 4028	808	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\f45bbbaa2fae3d163f04125fa324b403bb11a4d7b588a8c72fccbeb988655779.exe
"C:\Users\Admin\AppData\Local\Temp\f45bbbaa2fae3d163f04125fa324b403bb11a4d7b588a8c72fccbeb988655779.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1096

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1096 -s 448
2⤵
- Program crash
PID:840

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1096 -s 480
2⤵
- Program crash
PID:4760

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1096 -s 748
2⤵
- Program crash
PID:5044

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1096 -s 756
2⤵
- Program crash
PID:1932

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1096 -s 756
2⤵
- Program crash
PID:4492

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1096 -s 776
2⤵
- Program crash
PID:4412

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1096 -s 912
2⤵
- Program crash
PID:2768

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1096 -s 1004
2⤵
- Program crash
PID:2340

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1096 -s 1012
2⤵
- Program crash
PID:912

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1096 -s 1348
2⤵
- Program crash
PID:1416

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "f45bbbaa2fae3d163f04125fa324b403bb11a4d7b588a8c72fccbeb988655779.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\f45bbbaa2fae3d163f04125fa324b403bb11a4d7b588a8c72fccbeb988655779.exe" & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:808

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "f45bbbaa2fae3d163f04125fa324b403bb11a4d7b588a8c72fccbeb988655779.exe" /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4028

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1096 -s 1440
2⤵
- Program crash
PID:3164

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1096 -ip 1096
1⤵
PID:4948

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1096 -ip 1096
1⤵
PID:2192

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1096 -ip 1096
1⤵
PID:2568

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 1096 -ip 1096
1⤵
PID:4828

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1096 -ip 1096
1⤵
PID:2036

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 1096 -ip 1096
1⤵
PID:1748

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 1096 -ip 1096
1⤵
PID:4536

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1096 -ip 1096
1⤵
PID:2096

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 1096 -ip 1096
1⤵
PID:740

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 1096 -ip 1096
1⤵
PID:2996

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 1096 -ip 1096
1⤵
PID:4692

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/1096-1-0x0000000002FC0000-0x00000000030C0000-memory.dmp

Filesize
1024KB

Download
memory/1096-2-0x0000000002F10000-0x0000000002F4C000-memory.dmp

Filesize
240KB

Download
memory/1096-3-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1096-8-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1096-7-0x0000000002F10000-0x0000000002F4C000-memory.dmp

Filesize
240KB

Download
memory/1096-6-0x0000000000400000-0x0000000002CA7000-memory.dmp

Filesize
40.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads