gcleaner | f061dce9b1a5f681bad8220c9e4e67d068193f19929cab86d7925c2d9d06110d

General

Target

f061dce9b1a5f681bad8220c9e4e67d068193f19929cab86d7925c2d9d06110d.exe
Size

290KB
MD5

127b9dedf0a978839deff3307314c996
SHA1

68ea574617a497c1a13145c05db055be694a915b
SHA256

f061dce9b1a5f681bad8220c9e4e67d068193f19929cab86d7925c2d9d06110d
SHA512

7c3a83708309bcde01e53a5faeed39e310854a6ddaa5859a5e531b5c6baed801f37b34a960ec73906d3c619c3e46f2b1ef6664092b263f02add30430868dd5e4
SSDEEP

6144:RpgLdxBq9JnFp41VH3Lmb2ixf3UFSfBBUy6JFvT:yroJF21N3qb2il3UFa6yK

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
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
4080	1884	WerFault.exe	f061dce9b1a5f681bad8220c9e4e67d068193f19929cab86d7925c2d9d06110d.exe
412	1884	WerFault.exe	f061dce9b1a5f681bad8220c9e4e67d068193f19929cab86d7925c2d9d06110d.exe
3040	1884	WerFault.exe	f061dce9b1a5f681bad8220c9e4e67d068193f19929cab86d7925c2d9d06110d.exe
912	1884	WerFault.exe	f061dce9b1a5f681bad8220c9e4e67d068193f19929cab86d7925c2d9d06110d.exe
4948	1884	WerFault.exe	f061dce9b1a5f681bad8220c9e4e67d068193f19929cab86d7925c2d9d06110d.exe
4844	1884	WerFault.exe	f061dce9b1a5f681bad8220c9e4e67d068193f19929cab86d7925c2d9d06110d.exe
1544	1884	WerFault.exe	f061dce9b1a5f681bad8220c9e4e67d068193f19929cab86d7925c2d9d06110d.exe
2064	1884	WerFault.exe	f061dce9b1a5f681bad8220c9e4e67d068193f19929cab86d7925c2d9d06110d.exe
576	1884	WerFault.exe	f061dce9b1a5f681bad8220c9e4e67d068193f19929cab86d7925c2d9d06110d.exe
2012	1884	WerFault.exe	f061dce9b1a5f681bad8220c9e4e67d068193f19929cab86d7925c2d9d06110d.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

4264 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 4264 taskkill.exe

pid	process
4264	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	4264	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

f061dce9b1a5f681bad8220c9e4e67d068193f19929cab86d7925c2d9d06110d.execmd.exe

description	pid	process	target process
PID 1884 wrote to memory of 1980	1884	f061dce9b1a5f681bad8220c9e4e67d068193f19929cab86d7925c2d9d06110d.exe	cmd.exe
PID 1884 wrote to memory of 1980	1884	f061dce9b1a5f681bad8220c9e4e67d068193f19929cab86d7925c2d9d06110d.exe	cmd.exe
PID 1884 wrote to memory of 1980	1884	f061dce9b1a5f681bad8220c9e4e67d068193f19929cab86d7925c2d9d06110d.exe	cmd.exe
PID 1980 wrote to memory of 4264	1980	cmd.exe	taskkill.exe
PID 1980 wrote to memory of 4264	1980	cmd.exe	taskkill.exe
PID 1980 wrote to memory of 4264	1980	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\f061dce9b1a5f681bad8220c9e4e67d068193f19929cab86d7925c2d9d06110d.exe
"C:\Users\Admin\AppData\Local\Temp\f061dce9b1a5f681bad8220c9e4e67d068193f19929cab86d7925c2d9d06110d.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1884

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1884 -s 480
2⤵
- Program crash
PID:4080

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1884 -s 500
2⤵
- Program crash
PID:412

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1884 -s 780
2⤵
- Program crash
PID:3040

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1884 -s 780
2⤵
- Program crash
PID:912

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1884 -s 812
2⤵
- Program crash
PID:4948

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1884 -s 876
2⤵
- Program crash
PID:4844

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1884 -s 984
2⤵
- Program crash
PID:1544

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1884 -s 1076
2⤵
- Program crash
PID:2064

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1884 -s 1408
2⤵
- Program crash
PID:576

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "f061dce9b1a5f681bad8220c9e4e67d068193f19929cab86d7925c2d9d06110d.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\f061dce9b1a5f681bad8220c9e4e67d068193f19929cab86d7925c2d9d06110d.exe" & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:1980

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "f061dce9b1a5f681bad8220c9e4e67d068193f19929cab86d7925c2d9d06110d.exe" /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4264

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1884 -s 1544
2⤵
- Program crash
PID:2012

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1884 -ip 1884
1⤵
PID:4392

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 1884 -ip 1884
1⤵
PID:4468

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 1884 -ip 1884
1⤵
PID:4128

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 1884 -ip 1884
1⤵
PID:2256

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 1884 -ip 1884
1⤵
PID:2296

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 1884 -ip 1884
1⤵
PID:4136

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 1884 -ip 1884
1⤵
PID:4744

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 1884 -ip 1884
1⤵
PID:2128

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 1884 -ip 1884
1⤵
PID:2248

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 1884 -ip 1884
1⤵
PID:2768

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

Loading Replay Monitor...

Downloads

memory/1884-1-0x0000000002D50000-0x0000000002E50000-memory.dmp

Filesize
1024KB

Download
memory/1884-3-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1884-2-0x00000000049B0000-0x00000000049EC000-memory.dmp

Filesize
240KB

Download
memory/1884-8-0x00000000049B0000-0x00000000049EC000-memory.dmp

Filesize
240KB

Download
memory/1884-7-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1884-6-0x0000000000400000-0x0000000002CA7000-memory.dmp

Filesize
40.7MB

Download

Analysis

Sharing