gcleaner | 6185dca82afc231e003000da31355b2a826a394eb6876f5fad184f6eb9c6bf77

General

Target

14b027cc047db731cf85c0c9566efee0.exe
Size

293KB
MD5

14b027cc047db731cf85c0c9566efee0
SHA1

c48f20a1e2a1373e48a50cdc20afee9f605a9c9c
SHA256

6185dca82afc231e003000da31355b2a826a394eb6876f5fad184f6eb9c6bf77
SHA512

dc94e3c7b02f35c8d9edaa2ababfa4f087f61f4d3fd93f239c3924610295ff55cb28913c46d90c50d5e51ed8d6ff410fb2061257dd2ab98117961a08f0981131
SSDEEP

6144:EWNrAwUuw0YiutuPn4GoaBiNcj2DAhQ7hrIyD0/xQT:ZNrA7t0YiutVNaB7+AhgpL

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:

14b027cc047db731cf85c0c9566efee0.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\International\Geo\Nation	14b027cc047db731cf85c0c9566efee0.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
4604	3996	WerFault.exe	14b027cc047db731cf85c0c9566efee0.exe
4332	3996	WerFault.exe	14b027cc047db731cf85c0c9566efee0.exe
3692	3996	WerFault.exe	14b027cc047db731cf85c0c9566efee0.exe
2360	3996	WerFault.exe	14b027cc047db731cf85c0c9566efee0.exe
2076	3996	WerFault.exe	14b027cc047db731cf85c0c9566efee0.exe
4252	3996	WerFault.exe	14b027cc047db731cf85c0c9566efee0.exe
364	3996	WerFault.exe	14b027cc047db731cf85c0c9566efee0.exe
4004	3996	WerFault.exe	14b027cc047db731cf85c0c9566efee0.exe
1740	3996	WerFault.exe	14b027cc047db731cf85c0c9566efee0.exe
1212	3996	WerFault.exe	14b027cc047db731cf85c0c9566efee0.exe
1248	3996	WerFault.exe	14b027cc047db731cf85c0c9566efee0.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

2984 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 2984 taskkill.exe

pid	process
2984	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	2984	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

14b027cc047db731cf85c0c9566efee0.execmd.exe

description	pid	process	target process
PID 3996 wrote to memory of 1900	3996	14b027cc047db731cf85c0c9566efee0.exe	cmd.exe
PID 3996 wrote to memory of 1900	3996	14b027cc047db731cf85c0c9566efee0.exe	cmd.exe
PID 3996 wrote to memory of 1900	3996	14b027cc047db731cf85c0c9566efee0.exe	cmd.exe
PID 1900 wrote to memory of 2984	1900	cmd.exe	taskkill.exe
PID 1900 wrote to memory of 2984	1900	cmd.exe	taskkill.exe
PID 1900 wrote to memory of 2984	1900	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\14b027cc047db731cf85c0c9566efee0.exe
"C:\Users\Admin\AppData\Local\Temp\14b027cc047db731cf85c0c9566efee0.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3996

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3996 -s 452
2⤵
- Program crash
PID:4604

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3996 -s 480
2⤵
- Program crash
PID:4332

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3996 -s 748
2⤵
- Program crash
PID:3692

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3996 -s 768
2⤵
- Program crash
PID:2360

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3996 -s 768
2⤵
- Program crash
PID:2076

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3996 -s 856
2⤵
- Program crash
PID:4252

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3996 -s 912
2⤵
- Program crash
PID:364

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3996 -s 988
2⤵
- Program crash
PID:4004

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3996 -s 1056
2⤵
- Program crash
PID:1740

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3996 -s 1376
2⤵
- Program crash
PID:1212

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "14b027cc047db731cf85c0c9566efee0.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\14b027cc047db731cf85c0c9566efee0.exe" & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:1900

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "14b027cc047db731cf85c0c9566efee0.exe" /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2984

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3996 -s 1316
2⤵
- Program crash
PID:1248

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3996 -ip 3996
1⤵
PID:4048

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 3996 -ip 3996
1⤵
PID:1648

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 3996 -ip 3996
1⤵
PID:3708

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 3996 -ip 3996
1⤵
PID:3528

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 3996 -ip 3996
1⤵
PID:1528

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 3996 -ip 3996
1⤵
PID:1980

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 3996 -ip 3996
1⤵
PID:2544

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 3996 -ip 3996
1⤵
PID:4044

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 3996 -ip 3996
1⤵
PID:2408

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3996 -ip 3996
1⤵
PID:1300

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 3996 -ip 3996
1⤵
PID:1484

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

Replay Monitor

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Downloads

memory/3996-3-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/3996-1-0x0000000002E00000-0x0000000002F00000-memory.dmp

Filesize
1024KB

Download
memory/3996-2-0x0000000002D70000-0x0000000002DAC000-memory.dmp

Filesize
240KB

Download
memory/3996-7-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/3996-6-0x0000000000400000-0x0000000002CA8000-memory.dmp

Filesize
40.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads