gcleaner | 5701941465bdd6ecc328c28b2bb8d0bbfda31b20b4836df77c02cc1303ff0b4a

General

Target

5701941465bdd6ecc328c28b2bb8d0bbfda31b20b4836df77c02cc1303ff0b4a.exe
Size

367KB
MD5

33706b7021d79a1626101e49384a25f4
SHA1

844b712b49bd3a8596f52ba155ae0f564027d168
SHA256

5701941465bdd6ecc328c28b2bb8d0bbfda31b20b4836df77c02cc1303ff0b4a
SHA512

b0cb8a875759c505e9411e848614bcdd59ce4cac2f75e1f7d663d8f73c4b5e7502b0bf7af426247f15c38bac7e5cae02f1f38bbe2e8106566127d68159886792
SSDEEP

6144:AgV3I6mIJie24o5GSB/ydJxftgoyQGWIOu4Ti:XV3cIJ+4o5vUjxl/YW//

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:

5701941465bdd6ecc328c28b2bb8d0bbfda31b20b4836df77c02cc1303ff0b4a.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000\Control Panel\International\Geo\Nation	5701941465bdd6ecc328c28b2bb8d0bbfda31b20b4836df77c02cc1303ff0b4a.exe

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

System Information Discovery
T1082

Program crash 10 IoCs

Processes:

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

pid	pid_target	process	target process
2420	544	WerFault.exe	5701941465bdd6ecc328c28b2bb8d0bbfda31b20b4836df77c02cc1303ff0b4a.exe
3572	544	WerFault.exe	5701941465bdd6ecc328c28b2bb8d0bbfda31b20b4836df77c02cc1303ff0b4a.exe
2176	544	WerFault.exe	5701941465bdd6ecc328c28b2bb8d0bbfda31b20b4836df77c02cc1303ff0b4a.exe
1548	544	WerFault.exe	5701941465bdd6ecc328c28b2bb8d0bbfda31b20b4836df77c02cc1303ff0b4a.exe
3640	544	WerFault.exe	5701941465bdd6ecc328c28b2bb8d0bbfda31b20b4836df77c02cc1303ff0b4a.exe
1052	544	WerFault.exe	5701941465bdd6ecc328c28b2bb8d0bbfda31b20b4836df77c02cc1303ff0b4a.exe
3356	544	WerFault.exe	5701941465bdd6ecc328c28b2bb8d0bbfda31b20b4836df77c02cc1303ff0b4a.exe
3004	544	WerFault.exe	5701941465bdd6ecc328c28b2bb8d0bbfda31b20b4836df77c02cc1303ff0b4a.exe
1828	544	WerFault.exe	5701941465bdd6ecc328c28b2bb8d0bbfda31b20b4836df77c02cc1303ff0b4a.exe
4968	544	WerFault.exe	5701941465bdd6ecc328c28b2bb8d0bbfda31b20b4836df77c02cc1303ff0b4a.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

3720 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 3720 taskkill.exe

pid	process
3720	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	3720	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

5701941465bdd6ecc328c28b2bb8d0bbfda31b20b4836df77c02cc1303ff0b4a.execmd.exe

description	pid	process	target process
PID 544 wrote to memory of 2848	544	5701941465bdd6ecc328c28b2bb8d0bbfda31b20b4836df77c02cc1303ff0b4a.exe	cmd.exe
PID 544 wrote to memory of 2848	544	5701941465bdd6ecc328c28b2bb8d0bbfda31b20b4836df77c02cc1303ff0b4a.exe	cmd.exe
PID 544 wrote to memory of 2848	544	5701941465bdd6ecc328c28b2bb8d0bbfda31b20b4836df77c02cc1303ff0b4a.exe	cmd.exe
PID 2848 wrote to memory of 3720	2848	cmd.exe	taskkill.exe
PID 2848 wrote to memory of 3720	2848	cmd.exe	taskkill.exe
PID 2848 wrote to memory of 3720	2848	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\5701941465bdd6ecc328c28b2bb8d0bbfda31b20b4836df77c02cc1303ff0b4a.exe
"C:\Users\Admin\AppData\Local\Temp\5701941465bdd6ecc328c28b2bb8d0bbfda31b20b4836df77c02cc1303ff0b4a.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:544

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 544 -s 452
2⤵
- Program crash
PID:2420

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 544 -s 488
2⤵
- Program crash
PID:3572

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 544 -s 748
2⤵
- Program crash
PID:2176

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 544 -s 768
2⤵
- Program crash
PID:1548

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 544 -s 808
2⤵
- Program crash
PID:3640

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 544 -s 844
2⤵
- Program crash
PID:1052

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 544 -s 912
2⤵
- Program crash
PID:3356

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 544 -s 1008
2⤵
- Program crash
PID:3004

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 544 -s 1560
2⤵
- Program crash
PID:1828

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "5701941465bdd6ecc328c28b2bb8d0bbfda31b20b4836df77c02cc1303ff0b4a.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\5701941465bdd6ecc328c28b2bb8d0bbfda31b20b4836df77c02cc1303ff0b4a.exe" & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:2848

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "5701941465bdd6ecc328c28b2bb8d0bbfda31b20b4836df77c02cc1303ff0b4a.exe" /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3720

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 544 -s 1584
2⤵
- Program crash
PID:4968

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 544 -ip 544
1⤵
PID:2992

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 544 -ip 544
1⤵
PID:2012

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 544 -ip 544
1⤵
PID:5064

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 544 -ip 544
1⤵
PID:1636

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 544 -ip 544
1⤵
PID:1672

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 544 -ip 544
1⤵
PID:548

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 544 -ip 544
1⤵
PID:3188

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 544 -ip 544
1⤵
PID:2240

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 544 -ip 544
1⤵
PID:4080

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 544 -ip 544
1⤵
PID:1736

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\E9YVC3IR\advdlc[1].htm
Filesize
1B

MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

Download Submit
memory/544-1-0x0000000000470000-0x0000000000570000-memory.dmp

Filesize
1024KB

Download
memory/544-2-0x00000000006D0000-0x000000000070C000-memory.dmp

Filesize
240KB

Download
memory/544-3-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/544-8-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/544-13-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/544-21-0x0000000000470000-0x0000000000570000-memory.dmp

Filesize
1024KB

Download
memory/544-22-0x00000000006D0000-0x000000000070C000-memory.dmp

Filesize
240KB

Download
memory/544-25-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/544-35-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/544-36-0x0000000000400000-0x0000000000440000-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