gcleaner | 3a2010afc7c66c95626684484a956d68e854b3e138498b66ceebe2c8bea74317

General

Target

3a2010afc7c66c95626684484a956d68e854b3e138498b66ceebe2c8bea74317.exe
Size

249KB
MD5

4fb25fd184f97b38e6a0516a03c312c5
SHA1

3d52c147cecc372f3f44798575b0a1bd4da99e2e
SHA256

3a2010afc7c66c95626684484a956d68e854b3e138498b66ceebe2c8bea74317
SHA512

9a6b5f22d3b8e52b78e548f11fed0188b2bd9e369d55da5119adbe3d4f61c6b643c47229d54c7e70da10e9d05dbedb66d205985e7064221d7404fd4618d02efb
SSDEEP

6144:hwwIV6F0/NV9iQw4Y8W8XBvo2mkSGHZ40:hwwIV6F0VuaY8WnhGHq0

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
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
4572	3732	WerFault.exe	3a2010afc7c66c95626684484a956d68e854b3e138498b66ceebe2c8bea74317.exe
700	3732	WerFault.exe	3a2010afc7c66c95626684484a956d68e854b3e138498b66ceebe2c8bea74317.exe
1480	3732	WerFault.exe	3a2010afc7c66c95626684484a956d68e854b3e138498b66ceebe2c8bea74317.exe
4552	3732	WerFault.exe	3a2010afc7c66c95626684484a956d68e854b3e138498b66ceebe2c8bea74317.exe
892	3732	WerFault.exe	3a2010afc7c66c95626684484a956d68e854b3e138498b66ceebe2c8bea74317.exe
3632	3732	WerFault.exe	3a2010afc7c66c95626684484a956d68e854b3e138498b66ceebe2c8bea74317.exe
1812	3732	WerFault.exe	3a2010afc7c66c95626684484a956d68e854b3e138498b66ceebe2c8bea74317.exe
4396	3732	WerFault.exe	3a2010afc7c66c95626684484a956d68e854b3e138498b66ceebe2c8bea74317.exe
4584	3732	WerFault.exe	3a2010afc7c66c95626684484a956d68e854b3e138498b66ceebe2c8bea74317.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

1508 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 1508 taskkill.exe

pid	process
1508	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	1508	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

3a2010afc7c66c95626684484a956d68e854b3e138498b66ceebe2c8bea74317.execmd.exe

description	pid	process	target process
PID 3732 wrote to memory of 456	3732	3a2010afc7c66c95626684484a956d68e854b3e138498b66ceebe2c8bea74317.exe	cmd.exe
PID 3732 wrote to memory of 456	3732	3a2010afc7c66c95626684484a956d68e854b3e138498b66ceebe2c8bea74317.exe	cmd.exe
PID 3732 wrote to memory of 456	3732	3a2010afc7c66c95626684484a956d68e854b3e138498b66ceebe2c8bea74317.exe	cmd.exe
PID 456 wrote to memory of 1508	456	cmd.exe	taskkill.exe
PID 456 wrote to memory of 1508	456	cmd.exe	taskkill.exe
PID 456 wrote to memory of 1508	456	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\3a2010afc7c66c95626684484a956d68e854b3e138498b66ceebe2c8bea74317.exe
"C:\Users\Admin\AppData\Local\Temp\3a2010afc7c66c95626684484a956d68e854b3e138498b66ceebe2c8bea74317.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3732

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3732 -s 772
2⤵
- Program crash
PID:4572

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3732 -s 812
2⤵
- Program crash
PID:700

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3732 -s 832
2⤵
- Program crash
PID:1480

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3732 -s 840
2⤵
- Program crash
PID:4552

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3732 -s 976
2⤵
- Program crash
PID:892

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3732 -s 1060
2⤵
- Program crash
PID:3632

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3732 -s 1084
2⤵
- Program crash
PID:1812

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3732 -s 1444
2⤵
- Program crash
PID:4396

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "3a2010afc7c66c95626684484a956d68e854b3e138498b66ceebe2c8bea74317.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\3a2010afc7c66c95626684484a956d68e854b3e138498b66ceebe2c8bea74317.exe" & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:456

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "3a2010afc7c66c95626684484a956d68e854b3e138498b66ceebe2c8bea74317.exe" /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1508

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3732 -s 1388
2⤵
- Program crash
PID:4584

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3732 -ip 3732
1⤵
PID:2412

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3732 -ip 3732
1⤵
PID:2304

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 3732 -ip 3732
1⤵
PID:5044

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3732 -ip 3732
1⤵
PID:2296

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 3732 -ip 3732
1⤵
PID:4744

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3732 -ip 3732
1⤵
PID:1352

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 3732 -ip 3732
1⤵
PID:552

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3732 -ip 3732
1⤵
PID:4980

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 3732 -ip 3732
1⤵
PID:1360

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/3732-3-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3732-2-0x0000000002190000-0x00000000021BD000-memory.dmp

Filesize
180KB

Download
memory/3732-1-0x00000000005E0000-0x00000000006E0000-memory.dmp

Filesize
1024KB

Download
memory/3732-6-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3732-5-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download

Analysis

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