gcleaner | 78a63438d461feb4bc08815780426f4426776407c09aada3622033d1f6d3c293

General

Target

78a63438d461feb4bc08815780426f4426776407c09aada3622033d1f6d3c293.exe
Size

357KB
MD5

a07fb89e0682ebe5081b234c07c26bf2
SHA1

25bddc09e76a4df0a28df2caba22a5a87ca4f0ed
SHA256

78a63438d461feb4bc08815780426f4426776407c09aada3622033d1f6d3c293
SHA512

7e9964f5a6371dadc14d2aeca1d3ed2d19c2938eecf3f0f56fc009b95a70ed069ed12e3a9c546c758a12a36f360980b6d4b8b81c4eede0d05406bc121fd1557d
SSDEEP

3072:e90unpUrdGeRge6a858FrZdUhlMTtYFtHsOWcluJdOjCnXeyQvlN5O2+/xuU9:equpaGeRr6HCFNQqoHwcluzOmnu3Ot

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
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
2060	4272	WerFault.exe	78a63438d461feb4bc08815780426f4426776407c09aada3622033d1f6d3c293.exe
4904	4272	WerFault.exe	78a63438d461feb4bc08815780426f4426776407c09aada3622033d1f6d3c293.exe
2696	4272	WerFault.exe	78a63438d461feb4bc08815780426f4426776407c09aada3622033d1f6d3c293.exe
4460	4272	WerFault.exe	78a63438d461feb4bc08815780426f4426776407c09aada3622033d1f6d3c293.exe
2672	4272	WerFault.exe	78a63438d461feb4bc08815780426f4426776407c09aada3622033d1f6d3c293.exe
1280	4272	WerFault.exe	78a63438d461feb4bc08815780426f4426776407c09aada3622033d1f6d3c293.exe
4812	4272	WerFault.exe	78a63438d461feb4bc08815780426f4426776407c09aada3622033d1f6d3c293.exe
5068	4272	WerFault.exe	78a63438d461feb4bc08815780426f4426776407c09aada3622033d1f6d3c293.exe
768	4272	WerFault.exe	78a63438d461feb4bc08815780426f4426776407c09aada3622033d1f6d3c293.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

3220 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 3220 taskkill.exe

pid	process
3220	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	3220	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

78a63438d461feb4bc08815780426f4426776407c09aada3622033d1f6d3c293.execmd.exe

description	pid	process	target process
PID 4272 wrote to memory of 2432	4272	78a63438d461feb4bc08815780426f4426776407c09aada3622033d1f6d3c293.exe	cmd.exe
PID 4272 wrote to memory of 2432	4272	78a63438d461feb4bc08815780426f4426776407c09aada3622033d1f6d3c293.exe	cmd.exe
PID 4272 wrote to memory of 2432	4272	78a63438d461feb4bc08815780426f4426776407c09aada3622033d1f6d3c293.exe	cmd.exe
PID 2432 wrote to memory of 3220	2432	cmd.exe	taskkill.exe
PID 2432 wrote to memory of 3220	2432	cmd.exe	taskkill.exe
PID 2432 wrote to memory of 3220	2432	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\78a63438d461feb4bc08815780426f4426776407c09aada3622033d1f6d3c293.exe
"C:\Users\Admin\AppData\Local\Temp\78a63438d461feb4bc08815780426f4426776407c09aada3622033d1f6d3c293.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4272

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4272 -s 476
2⤵
- Program crash
PID:2060

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4272 -s 796
2⤵
- Program crash
PID:4904

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4272 -s 816
2⤵
- Program crash
PID:2696

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4272 -s 840
2⤵
- Program crash
PID:4460

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4272 -s 888
2⤵
- Program crash
PID:2672

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4272 -s 1000
2⤵
- Program crash
PID:1280

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4272 -s 1104
2⤵
- Program crash
PID:4812

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4272 -s 1452
2⤵
- Program crash
PID:5068

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "78a63438d461feb4bc08815780426f4426776407c09aada3622033d1f6d3c293.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\78a63438d461feb4bc08815780426f4426776407c09aada3622033d1f6d3c293.exe" & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:2432

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "78a63438d461feb4bc08815780426f4426776407c09aada3622033d1f6d3c293.exe" /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3220

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4272 -s 524
2⤵
- Program crash
PID:768

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4272 -ip 4272
1⤵
PID:5032

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4272 -ip 4272
1⤵
PID:1496

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 4272 -ip 4272
1⤵
PID:2724

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 4272 -ip 4272
1⤵
PID:5000

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 4272 -ip 4272
1⤵
PID:5112

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 4272 -ip 4272
1⤵
PID:1504

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 4272 -ip 4272
1⤵
PID:1016

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 4272 -ip 4272
1⤵
PID:2296

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 4272 -ip 4272
1⤵
PID:1916

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/4272-2-0x0000000003D10000-0x0000000003D4C000-memory.dmp

Filesize
240KB

Download
memory/4272-3-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/4272-1-0x0000000002270000-0x0000000002370000-memory.dmp

Filesize
1024KB

Download
memory/4272-7-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/4272-6-0x0000000000400000-0x0000000001FA5000-memory.dmp

Filesize
27.6MB

Download

Analysis

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