gcleaner | c8e15a3d32859ac0ea0a6d71da8c79f40995a603390996bea2e37ab48d0e7185

General

Target

c8e15a3d32859ac0ea0a6d71da8c79f40995a603390996bea2e37ab48d0e7185.exe
Size

364KB
MD5

0e47d33731488688c76ab57e1f0ed0b3
SHA1

9819bcf9d33e937fb69ec3aa1bf5523718079e27
SHA256

c8e15a3d32859ac0ea0a6d71da8c79f40995a603390996bea2e37ab48d0e7185
SHA512

e400f8f5de8955ea20d35560ffecb99edd3156b7e162bddca87d4dbbe8632f2914beae69c29d0b74e904ccab3099f202af27a8e00175f76e4e85c5ec43ac290e
SSDEEP

6144:alCVH7TRNfSLhNhHDN14sRE+4Fo8n0IGnUCSdTp:BHchNH14ME+n80N8p

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
Downloads MZ/PE file

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:

c8e15a3d32859ac0ea0a6d71da8c79f40995a603390996bea2e37ab48d0e7185.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-200405930-3877336739-3533750831-1000\Control Panel\International\Geo\Nation	c8e15a3d32859ac0ea0a6d71da8c79f40995a603390996bea2e37ab48d0e7185.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
3116	2388	WerFault.exe	c8e15a3d32859ac0ea0a6d71da8c79f40995a603390996bea2e37ab48d0e7185.exe
4104	2388	WerFault.exe	c8e15a3d32859ac0ea0a6d71da8c79f40995a603390996bea2e37ab48d0e7185.exe
4700	2388	WerFault.exe	c8e15a3d32859ac0ea0a6d71da8c79f40995a603390996bea2e37ab48d0e7185.exe
5008	2388	WerFault.exe	c8e15a3d32859ac0ea0a6d71da8c79f40995a603390996bea2e37ab48d0e7185.exe
2096	2388	WerFault.exe	c8e15a3d32859ac0ea0a6d71da8c79f40995a603390996bea2e37ab48d0e7185.exe
952	2388	WerFault.exe	c8e15a3d32859ac0ea0a6d71da8c79f40995a603390996bea2e37ab48d0e7185.exe
1272	2388	WerFault.exe	c8e15a3d32859ac0ea0a6d71da8c79f40995a603390996bea2e37ab48d0e7185.exe
3908	2388	WerFault.exe	c8e15a3d32859ac0ea0a6d71da8c79f40995a603390996bea2e37ab48d0e7185.exe
4324	2388	WerFault.exe	c8e15a3d32859ac0ea0a6d71da8c79f40995a603390996bea2e37ab48d0e7185.exe
3528	2388	WerFault.exe	c8e15a3d32859ac0ea0a6d71da8c79f40995a603390996bea2e37ab48d0e7185.exe
740	2388	WerFault.exe	c8e15a3d32859ac0ea0a6d71da8c79f40995a603390996bea2e37ab48d0e7185.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

4040 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 4040 taskkill.exe

pid	process
4040	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	4040	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

c8e15a3d32859ac0ea0a6d71da8c79f40995a603390996bea2e37ab48d0e7185.execmd.exe

description	pid	process	target process
PID 2388 wrote to memory of 1864	2388	c8e15a3d32859ac0ea0a6d71da8c79f40995a603390996bea2e37ab48d0e7185.exe	cmd.exe
PID 2388 wrote to memory of 1864	2388	c8e15a3d32859ac0ea0a6d71da8c79f40995a603390996bea2e37ab48d0e7185.exe	cmd.exe
PID 2388 wrote to memory of 1864	2388	c8e15a3d32859ac0ea0a6d71da8c79f40995a603390996bea2e37ab48d0e7185.exe	cmd.exe
PID 1864 wrote to memory of 4040	1864	cmd.exe	taskkill.exe
PID 1864 wrote to memory of 4040	1864	cmd.exe	taskkill.exe
PID 1864 wrote to memory of 4040	1864	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\c8e15a3d32859ac0ea0a6d71da8c79f40995a603390996bea2e37ab48d0e7185.exe
"C:\Users\Admin\AppData\Local\Temp\c8e15a3d32859ac0ea0a6d71da8c79f40995a603390996bea2e37ab48d0e7185.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2388

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2388 -s 448
2⤵
- Program crash
PID:3116

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2388 -s 480
2⤵
- Program crash
PID:4104

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2388 -s 748
2⤵
- Program crash
PID:4700

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2388 -s 768
2⤵
- Program crash
PID:5008

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2388 -s 792
2⤵
- Program crash
PID:2096

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2388 -s 840
2⤵
- Program crash
PID:952

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2388 -s 912
2⤵
- Program crash
PID:1272

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2388 -s 916
2⤵
- Program crash
PID:3908

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2388 -s 1072
2⤵
- Program crash
PID:4324

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2388 -s 1568
2⤵
- Program crash
PID:3528

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "c8e15a3d32859ac0ea0a6d71da8c79f40995a603390996bea2e37ab48d0e7185.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\c8e15a3d32859ac0ea0a6d71da8c79f40995a603390996bea2e37ab48d0e7185.exe" & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:1864

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "c8e15a3d32859ac0ea0a6d71da8c79f40995a603390996bea2e37ab48d0e7185.exe" /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4040

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2388 -s 1680
2⤵
- Program crash
PID:740

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2388 -ip 2388
1⤵
PID:3360

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 2388 -ip 2388
1⤵
PID:4832

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 2388 -ip 2388
1⤵
PID:3064

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2388 -ip 2388
1⤵
PID:2024

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 2388 -ip 2388
1⤵
PID:468

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 2388 -ip 2388
1⤵
PID:400

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 2388 -ip 2388
1⤵
PID:1116

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2388 -ip 2388
1⤵
PID:2624

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 2388 -ip 2388
1⤵
PID:456

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 2388 -ip 2388
1⤵
PID:1476

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 2388 -ip 2388
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

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\8Z1Z4637\advdlc[1].htm
Filesize
1B

MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

Download Submit
memory/2388-2-0x0000000001FB0000-0x0000000001FEC000-memory.dmp

Filesize
240KB

Download
memory/2388-3-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2388-1-0x0000000000480000-0x0000000000580000-memory.dmp

Filesize
1024KB

Download
memory/2388-8-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/2388-15-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/2388-19-0x0000000000480000-0x0000000000580000-memory.dmp

Filesize
1024KB

Download
memory/2388-23-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2388-33-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/2388-34-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads