gcleaner | 1c9771c3735634b732c6eeecd82ad610825f574a97f7823bbf9fe43a918fa79b

General

Target

1c9771c3735634b732c6eeecd82ad610825f574a97f7823bbf9fe43a918fa79b.exe
Size

229KB
MD5

4a13730c7eb6bdc60ca85dc1ea8ef7e3
SHA1

668cbafab52b9e64eca74daa58df0466ecdbde2b
SHA256

1c9771c3735634b732c6eeecd82ad610825f574a97f7823bbf9fe43a918fa79b
SHA512

263d9dca71f0fed48ca26f76fd2000f3392ed49583ea3f29a4c14cf8c76f4565df0f4d3a585611c3cd54e72cccfae0f6b5e87654bf9cf321b7907031b2319f6a
SSDEEP

3072:LjBcWuMsx5zq+Is6Uzrni/5YJaTNH49WoZyfiLj33OrZ7xM2dZ+0c22CSWLYS:Lq1LQ4e/5YQO9EiWrHM2dZ+l22F0Y

Score

10^/10

gcleaner loader

Malware Config

Extracted

Family

gcleaner

C2

185.172.128.90

5.42.65.64

Attributes

url_path
/advdlc.php

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:

1c9771c3735634b732c6eeecd82ad610825f574a97f7823bbf9fe43a918fa79b.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\Control Panel\International\Geo\Nation	1c9771c3735634b732c6eeecd82ad610825f574a97f7823bbf9fe43a918fa79b.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
4672	3640	WerFault.exe	1c9771c3735634b732c6eeecd82ad610825f574a97f7823bbf9fe43a918fa79b.exe
4676	3640	WerFault.exe	1c9771c3735634b732c6eeecd82ad610825f574a97f7823bbf9fe43a918fa79b.exe
532	3640	WerFault.exe	1c9771c3735634b732c6eeecd82ad610825f574a97f7823bbf9fe43a918fa79b.exe
1556	3640	WerFault.exe	1c9771c3735634b732c6eeecd82ad610825f574a97f7823bbf9fe43a918fa79b.exe
2332	3640	WerFault.exe	1c9771c3735634b732c6eeecd82ad610825f574a97f7823bbf9fe43a918fa79b.exe
3608	3640	WerFault.exe	1c9771c3735634b732c6eeecd82ad610825f574a97f7823bbf9fe43a918fa79b.exe
2944	3640	WerFault.exe	1c9771c3735634b732c6eeecd82ad610825f574a97f7823bbf9fe43a918fa79b.exe
3596	3640	WerFault.exe	1c9771c3735634b732c6eeecd82ad610825f574a97f7823bbf9fe43a918fa79b.exe
1728	3640	WerFault.exe	1c9771c3735634b732c6eeecd82ad610825f574a97f7823bbf9fe43a918fa79b.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

3336 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 3336 taskkill.exe

pid	process
3336	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	3336	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

1c9771c3735634b732c6eeecd82ad610825f574a97f7823bbf9fe43a918fa79b.execmd.exe

description	pid	process	target process
PID 3640 wrote to memory of 556	3640	1c9771c3735634b732c6eeecd82ad610825f574a97f7823bbf9fe43a918fa79b.exe	cmd.exe
PID 3640 wrote to memory of 556	3640	1c9771c3735634b732c6eeecd82ad610825f574a97f7823bbf9fe43a918fa79b.exe	cmd.exe
PID 3640 wrote to memory of 556	3640	1c9771c3735634b732c6eeecd82ad610825f574a97f7823bbf9fe43a918fa79b.exe	cmd.exe
PID 556 wrote to memory of 3336	556	cmd.exe	taskkill.exe
PID 556 wrote to memory of 3336	556	cmd.exe	taskkill.exe
PID 556 wrote to memory of 3336	556	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\1c9771c3735634b732c6eeecd82ad610825f574a97f7823bbf9fe43a918fa79b.exe
"C:\Users\Admin\AppData\Local\Temp\1c9771c3735634b732c6eeecd82ad610825f574a97f7823bbf9fe43a918fa79b.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3640

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3640 -s 740
2⤵
- Program crash
PID:4672

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3640 -s 780
2⤵
- Program crash
PID:4676

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3640 -s 780
2⤵
- Program crash
PID:532

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3640 -s 816
2⤵
- Program crash
PID:1556

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3640 -s 904
2⤵
- Program crash
PID:2332

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3640 -s 1004
2⤵
- Program crash
PID:3608

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3640 -s 988
2⤵
- Program crash
PID:2944

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3640 -s 1276
2⤵
- Program crash
PID:3596

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "1c9771c3735634b732c6eeecd82ad610825f574a97f7823bbf9fe43a918fa79b.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\1c9771c3735634b732c6eeecd82ad610825f574a97f7823bbf9fe43a918fa79b.exe" & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:556

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "1c9771c3735634b732c6eeecd82ad610825f574a97f7823bbf9fe43a918fa79b.exe" /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3336

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3640 -s 1304
2⤵
- Program crash
PID:1728

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3640 -ip 3640
1⤵
PID:2032

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 3640 -ip 3640
1⤵
PID:4972

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3640 -ip 3640
1⤵
PID:3664

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3640 -ip 3640
1⤵
PID:2472

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3640 -ip 3640
1⤵
PID:2280

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3640 -ip 3640
1⤵
PID:336

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3640 -ip 3640
1⤵
PID:3264

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 3640 -ip 3640
1⤵
PID:2344

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 3640 -ip 3640
1⤵
PID:888

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/3640-1-0x0000000000730000-0x0000000000830000-memory.dmp

Filesize
1024KB

Download
memory/3640-3-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3640-2-0x00000000006F0000-0x000000000071D000-memory.dmp

Filesize
180KB

Download
memory/3640-5-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/3640-6-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads