gcleaner | c96c9cb9c2fcfc7c809ef9cdd4cbccc3025347639c8b5ae0a56488e21f2f69fa

General

Target

c96c9cb9c2fcfc7c809ef9cdd4cbccc3025347639c8b5ae0a56488e21f2f69fa.exe
Size

332KB
MD5

fe636f5d7ee23acc6950676d8ec2cff9
SHA1

ba75a0780dbc6d4c7275c3a505c9b3044e912726
SHA256

c96c9cb9c2fcfc7c809ef9cdd4cbccc3025347639c8b5ae0a56488e21f2f69fa
SHA512

4870af7090c1671615ac1c3dd58b86e2be15bfaeba67a351c01f0272ea3dd3305b340014268dc2f9533009fb88a0e6500f43cca675a1146ad3e2e32ab7c9e79c
SSDEEP

3072:tCSXMVvxNj5LNr1UEnPkLUg0dSY1sov+jcWNexRlfNr+1TbSoymwTT1B:ES8Vvrr1dnVjuovzrlGnSdTp

Score

10^/10

gcleaner loader

Malware Config

Extracted

Family

gcleaner

C2

185.172.128.90

185.172.128.69

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:

c96c9cb9c2fcfc7c809ef9cdd4cbccc3025347639c8b5ae0a56488e21f2f69fa.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000\Control Panel\International\Geo\Nation	c96c9cb9c2fcfc7c809ef9cdd4cbccc3025347639c8b5ae0a56488e21f2f69fa.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 8 IoCs

Processes:

WerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exe

pid	pid_target	process	target process
3436	4892	WerFault.exe	c96c9cb9c2fcfc7c809ef9cdd4cbccc3025347639c8b5ae0a56488e21f2f69fa.exe
1544	4892	WerFault.exe	c96c9cb9c2fcfc7c809ef9cdd4cbccc3025347639c8b5ae0a56488e21f2f69fa.exe
5012	4892	WerFault.exe	c96c9cb9c2fcfc7c809ef9cdd4cbccc3025347639c8b5ae0a56488e21f2f69fa.exe
4504	4892	WerFault.exe	c96c9cb9c2fcfc7c809ef9cdd4cbccc3025347639c8b5ae0a56488e21f2f69fa.exe
1628	4892	WerFault.exe	c96c9cb9c2fcfc7c809ef9cdd4cbccc3025347639c8b5ae0a56488e21f2f69fa.exe
3100	4892	WerFault.exe	c96c9cb9c2fcfc7c809ef9cdd4cbccc3025347639c8b5ae0a56488e21f2f69fa.exe
4740	4892	WerFault.exe	c96c9cb9c2fcfc7c809ef9cdd4cbccc3025347639c8b5ae0a56488e21f2f69fa.exe
3760	4892	WerFault.exe	c96c9cb9c2fcfc7c809ef9cdd4cbccc3025347639c8b5ae0a56488e21f2f69fa.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

1080 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 1080 taskkill.exe

pid	process
1080	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	1080	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

c96c9cb9c2fcfc7c809ef9cdd4cbccc3025347639c8b5ae0a56488e21f2f69fa.execmd.exe

description	pid	process	target process
PID 4892 wrote to memory of 3448	4892	c96c9cb9c2fcfc7c809ef9cdd4cbccc3025347639c8b5ae0a56488e21f2f69fa.exe	cmd.exe
PID 4892 wrote to memory of 3448	4892	c96c9cb9c2fcfc7c809ef9cdd4cbccc3025347639c8b5ae0a56488e21f2f69fa.exe	cmd.exe
PID 4892 wrote to memory of 3448	4892	c96c9cb9c2fcfc7c809ef9cdd4cbccc3025347639c8b5ae0a56488e21f2f69fa.exe	cmd.exe
PID 3448 wrote to memory of 1080	3448	cmd.exe	taskkill.exe
PID 3448 wrote to memory of 1080	3448	cmd.exe	taskkill.exe
PID 3448 wrote to memory of 1080	3448	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\c96c9cb9c2fcfc7c809ef9cdd4cbccc3025347639c8b5ae0a56488e21f2f69fa.exe
"C:\Users\Admin\AppData\Local\Temp\c96c9cb9c2fcfc7c809ef9cdd4cbccc3025347639c8b5ae0a56488e21f2f69fa.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4892

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4892 -s 740
2⤵
- Program crash
PID:3436

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4892 -s 776
2⤵
- Program crash
PID:1544

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4892 -s 792
2⤵
- Program crash
PID:5012

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4892 -s 772
2⤵
- Program crash
PID:4504

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4892 -s 904
2⤵
- Program crash
PID:1628

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4892 -s 904
2⤵
- Program crash
PID:3100

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4892 -s 1336
2⤵
- Program crash
PID:4740

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "c96c9cb9c2fcfc7c809ef9cdd4cbccc3025347639c8b5ae0a56488e21f2f69fa.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\c96c9cb9c2fcfc7c809ef9cdd4cbccc3025347639c8b5ae0a56488e21f2f69fa.exe" & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:3448

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "c96c9cb9c2fcfc7c809ef9cdd4cbccc3025347639c8b5ae0a56488e21f2f69fa.exe" /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1080

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4892 -s 1460
2⤵
- Program crash
PID:3760

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4892 -ip 4892
1⤵
PID:756

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4892 -ip 4892
1⤵
PID:2740

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 4892 -ip 4892
1⤵
PID:1912

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 4892 -ip 4892
1⤵
PID:4252

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 4892 -ip 4892
1⤵
PID:3516

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 4892 -ip 4892
1⤵
PID:3124

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 4892 -ip 4892
1⤵
PID:3560

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 4892 -ip 4892
1⤵
PID:4680

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\G7AAJOBN\advdlc[1].htm
Filesize
1B

MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

Download Submit
memory/4892-1-0x00000000005E0000-0x00000000006E0000-memory.dmp

Filesize
1024KB

Download
memory/4892-2-0x00000000006E0000-0x000000000070D000-memory.dmp

Filesize
180KB

Download
memory/4892-3-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4892-8-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/4892-12-0x00000000005E0000-0x00000000006E0000-memory.dmp

Filesize
1024KB

Download
memory/4892-15-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4892-21-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/4892-22-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads