gcleaner | 1e76e4bedd40256e084d3ee8e35ab8104ea17a02119a36fccf749dcdb75e4fc4

General

Target

1e76e4bedd40256e084d3ee8e35ab8104ea17a02119a36fccf749dcdb75e4fc4.exe
Size

319KB
MD5

5967f722e3b6ef7c9285a3c3e08612c8
SHA1

36dfb0b5437eee03f231d536dc96478e69d3c3f3
SHA256

1e76e4bedd40256e084d3ee8e35ab8104ea17a02119a36fccf749dcdb75e4fc4
SHA512

f6a37f3aef850eedd36d207dc216b72893f1daa852926134a299e7f52bd1674bedeb0d69a285f0a0608c15cc86f57ef4a4068389c4bc49f865898bd21d451141
SSDEEP

6144:V3L7lp6tB4kt5+hSzkwf1tw3x8cRa65K206GXrbjwyGXQ9:V3Plwvt5+hS4q1w1N5KsKEX

Score

10^/10

gcleaner loader

Malware Config

Extracted

Family

gcleaner

C2

45.12.253.56

45.12.253.72

45.12.253.98

45.12.253.75

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:

1e76e4bedd40256e084d3ee8e35ab8104ea17a02119a36fccf749dcdb75e4fc4.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Control Panel\International\Geo\Nation	1e76e4bedd40256e084d3ee8e35ab8104ea17a02119a36fccf749dcdb75e4fc4.exe

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

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
4400	4680	WerFault.exe	1e76e4bedd40256e084d3ee8e35ab8104ea17a02119a36fccf749dcdb75e4fc4.exe
2108	4680	WerFault.exe	1e76e4bedd40256e084d3ee8e35ab8104ea17a02119a36fccf749dcdb75e4fc4.exe
4952	4680	WerFault.exe	1e76e4bedd40256e084d3ee8e35ab8104ea17a02119a36fccf749dcdb75e4fc4.exe
2856	4680	WerFault.exe	1e76e4bedd40256e084d3ee8e35ab8104ea17a02119a36fccf749dcdb75e4fc4.exe
4140	4680	WerFault.exe	1e76e4bedd40256e084d3ee8e35ab8104ea17a02119a36fccf749dcdb75e4fc4.exe
1344	4680	WerFault.exe	1e76e4bedd40256e084d3ee8e35ab8104ea17a02119a36fccf749dcdb75e4fc4.exe
1740	4680	WerFault.exe	1e76e4bedd40256e084d3ee8e35ab8104ea17a02119a36fccf749dcdb75e4fc4.exe
2632	4680	WerFault.exe	1e76e4bedd40256e084d3ee8e35ab8104ea17a02119a36fccf749dcdb75e4fc4.exe
1196	4680	WerFault.exe	1e76e4bedd40256e084d3ee8e35ab8104ea17a02119a36fccf749dcdb75e4fc4.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

4988 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 4988 taskkill.exe

pid	process
4988	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	4988	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

1e76e4bedd40256e084d3ee8e35ab8104ea17a02119a36fccf749dcdb75e4fc4.execmd.exe

description	pid	process	target process
PID 4680 wrote to memory of 3820	4680	1e76e4bedd40256e084d3ee8e35ab8104ea17a02119a36fccf749dcdb75e4fc4.exe	cmd.exe
PID 4680 wrote to memory of 3820	4680	1e76e4bedd40256e084d3ee8e35ab8104ea17a02119a36fccf749dcdb75e4fc4.exe	cmd.exe
PID 4680 wrote to memory of 3820	4680	1e76e4bedd40256e084d3ee8e35ab8104ea17a02119a36fccf749dcdb75e4fc4.exe	cmd.exe
PID 3820 wrote to memory of 4988	3820	cmd.exe	taskkill.exe
PID 3820 wrote to memory of 4988	3820	cmd.exe	taskkill.exe
PID 3820 wrote to memory of 4988	3820	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\1e76e4bedd40256e084d3ee8e35ab8104ea17a02119a36fccf749dcdb75e4fc4.exe
"C:\Users\Admin\AppData\Local\Temp\1e76e4bedd40256e084d3ee8e35ab8104ea17a02119a36fccf749dcdb75e4fc4.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4680

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4680 -s 456
2⤵
- Program crash
PID:4400

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4680 -s 768
2⤵
- Program crash
PID:2108

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4680 -s 808
2⤵
- Program crash
PID:4952

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4680 -s 784
2⤵
- Program crash
PID:2856

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4680 -s 820
2⤵
- Program crash
PID:4140

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4680 -s 928
2⤵
- Program crash
PID:1344

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4680 -s 1004
2⤵
- Program crash
PID:1740

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4680 -s 1376
2⤵
- Program crash
PID:2632

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "1e76e4bedd40256e084d3ee8e35ab8104ea17a02119a36fccf749dcdb75e4fc4.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\1e76e4bedd40256e084d3ee8e35ab8104ea17a02119a36fccf749dcdb75e4fc4.exe" & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:3820

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "1e76e4bedd40256e084d3ee8e35ab8104ea17a02119a36fccf749dcdb75e4fc4.exe" /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4988

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4680 -s 560
2⤵
- Program crash
PID:1196

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4680 -ip 4680
1⤵
PID:2084

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4680 -ip 4680
1⤵
PID:1276

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4680 -ip 4680
1⤵
PID:1272

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4680 -ip 4680
1⤵
PID:4344

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 396 -p 4680 -ip 4680
1⤵
PID:3452

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 4680 -ip 4680
1⤵
PID:5116

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4680 -ip 4680
1⤵
PID:3664

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 4680 -ip 4680
1⤵
PID:368

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 4680 -ip 4680
1⤵
PID:3996

Network

MITRE ATT&CK Matrix ATT&CK v6

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

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Downloads

memory/4680-134-0x0000000000400000-0x0000000000581000-memory.dmp

Filesize
1.5MB

Download
memory/4680-135-0x00000000007E0000-0x0000000000820000-memory.dmp

Filesize
256KB

Download
memory/4680-136-0x0000000000400000-0x0000000000581000-memory.dmp

Filesize
1.5MB

Download
memory/4680-137-0x00000000007E0000-0x0000000000820000-memory.dmp

Filesize
256KB

Download
memory/4680-138-0x0000000000400000-0x0000000000581000-memory.dmp

Filesize
1.5MB

Download
memory/4680-147-0x0000000000400000-0x0000000000581000-memory.dmp

Filesize
1.5MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads