gcleaner | 04037b5f379cdd8cf9f4bf3983a714e81f0e118402587d6144a2d0ff5a34b50a

General

Target

04037b5f379cdd8cf9f4bf3983a714e81f0e118402587d6144a2d0ff5a34b50a.exe
Size

250KB
MD5

7b920e60e0a91157f785214e15a72c11
SHA1

1a7b0b78df6a533e546bf8b54ee418fdc9a03b2d
SHA256

04037b5f379cdd8cf9f4bf3983a714e81f0e118402587d6144a2d0ff5a34b50a
SHA512

ab7a8394203ae40e9542b596c3c6d500dcb2f0daa93a3d033ab09291f0e3c90f560dd9d48a61832c49485f92de85cb92060899542be038a9a4c2efedb978c3ed
SSDEEP

3072:Ini7ju0gKaTMkgl7SN+DZ/Tx8O2yx5BrExuDHhZYvEbdF8/ykC7tRO1wLiIoqtlx:I4CFv6eNhODx/+urLdF1RjiwUo68T3Y

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

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:

04037b5f379cdd8cf9f4bf3983a714e81f0e118402587d6144a2d0ff5a34b50a.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation	04037b5f379cdd8cf9f4bf3983a714e81f0e118402587d6144a2d0ff5a34b50a.exe

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
1692	3036	WerFault.exe	04037b5f379cdd8cf9f4bf3983a714e81f0e118402587d6144a2d0ff5a34b50a.exe
3228	3036	WerFault.exe	04037b5f379cdd8cf9f4bf3983a714e81f0e118402587d6144a2d0ff5a34b50a.exe
4496	3036	WerFault.exe	04037b5f379cdd8cf9f4bf3983a714e81f0e118402587d6144a2d0ff5a34b50a.exe
3220	3036	WerFault.exe	04037b5f379cdd8cf9f4bf3983a714e81f0e118402587d6144a2d0ff5a34b50a.exe
4164	3036	WerFault.exe	04037b5f379cdd8cf9f4bf3983a714e81f0e118402587d6144a2d0ff5a34b50a.exe
2944	3036	WerFault.exe	04037b5f379cdd8cf9f4bf3983a714e81f0e118402587d6144a2d0ff5a34b50a.exe
2900	3036	WerFault.exe	04037b5f379cdd8cf9f4bf3983a714e81f0e118402587d6144a2d0ff5a34b50a.exe
1452	3036	WerFault.exe	04037b5f379cdd8cf9f4bf3983a714e81f0e118402587d6144a2d0ff5a34b50a.exe
2460	3036	WerFault.exe	04037b5f379cdd8cf9f4bf3983a714e81f0e118402587d6144a2d0ff5a34b50a.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

2776 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 2776 taskkill.exe

pid	process
2776	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	2776	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

04037b5f379cdd8cf9f4bf3983a714e81f0e118402587d6144a2d0ff5a34b50a.execmd.exe

description	pid	process	target process
PID 3036 wrote to memory of 4404	3036	04037b5f379cdd8cf9f4bf3983a714e81f0e118402587d6144a2d0ff5a34b50a.exe	cmd.exe
PID 3036 wrote to memory of 4404	3036	04037b5f379cdd8cf9f4bf3983a714e81f0e118402587d6144a2d0ff5a34b50a.exe	cmd.exe
PID 3036 wrote to memory of 4404	3036	04037b5f379cdd8cf9f4bf3983a714e81f0e118402587d6144a2d0ff5a34b50a.exe	cmd.exe
PID 4404 wrote to memory of 2776	4404	cmd.exe	taskkill.exe
PID 4404 wrote to memory of 2776	4404	cmd.exe	taskkill.exe
PID 4404 wrote to memory of 2776	4404	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\04037b5f379cdd8cf9f4bf3983a714e81f0e118402587d6144a2d0ff5a34b50a.exe
"C:\Users\Admin\AppData\Local\Temp\04037b5f379cdd8cf9f4bf3983a714e81f0e118402587d6144a2d0ff5a34b50a.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3036

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3036 -s 748
2⤵
- Program crash
PID:1692

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3036 -s 756
2⤵
- Program crash
PID:3228

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3036 -s 756
2⤵
- Program crash
PID:4496

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3036 -s 792
2⤵
- Program crash
PID:3220

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3036 -s 856
2⤵
- Program crash
PID:4164

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3036 -s 1004
2⤵
- Program crash
PID:2944

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3036 -s 1048
2⤵
- Program crash
PID:2900

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3036 -s 1344
2⤵
- Program crash
PID:1452

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "04037b5f379cdd8cf9f4bf3983a714e81f0e118402587d6144a2d0ff5a34b50a.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\04037b5f379cdd8cf9f4bf3983a714e81f0e118402587d6144a2d0ff5a34b50a.exe" & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:4404

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "04037b5f379cdd8cf9f4bf3983a714e81f0e118402587d6144a2d0ff5a34b50a.exe" /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2776

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3036 -s 1284
2⤵
- Program crash
PID:2460

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3036 -ip 3036
1⤵
PID:1540

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 3036 -ip 3036
1⤵
PID:952

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 3036 -ip 3036
1⤵
PID:2408

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 3036 -ip 3036
1⤵
PID:3096

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 576 -p 3036 -ip 3036
1⤵
PID:4056

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 3036 -ip 3036
1⤵
PID:4596

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 3036 -ip 3036
1⤵
PID:1856

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 3036 -ip 3036
1⤵
PID:1756

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 3036 -ip 3036
1⤵
PID:1036

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

Replay Monitor

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Downloads

memory/3036-2-0x00000000005E0000-0x000000000060D000-memory.dmp

Filesize
180KB

Download
memory/3036-3-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3036-1-0x0000000000780000-0x0000000000880000-memory.dmp

Filesize
1024KB

Download
memory/3036-5-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download
memory/3036-6-0x0000000000400000-0x000000000042F000-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