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

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:

f061dce9b1a5f681bad8220c9e4e67d068193f19929cab86d7925c2d9d06110d.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\Control Panel\International\Geo\Nation	f061dce9b1a5f681bad8220c9e4e67d068193f19929cab86d7925c2d9d06110d.exe

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

System Information Discovery
T1082

Program crash 11 IoCs

Processes:

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

pid	pid_target	process	target process
3560	3224	WerFault.exe	f061dce9b1a5f681bad8220c9e4e67d068193f19929cab86d7925c2d9d06110d.exe
1748	3224	WerFault.exe	f061dce9b1a5f681bad8220c9e4e67d068193f19929cab86d7925c2d9d06110d.exe
4528	3224	WerFault.exe	f061dce9b1a5f681bad8220c9e4e67d068193f19929cab86d7925c2d9d06110d.exe
5048	3224	WerFault.exe	f061dce9b1a5f681bad8220c9e4e67d068193f19929cab86d7925c2d9d06110d.exe
3004	3224	WerFault.exe	f061dce9b1a5f681bad8220c9e4e67d068193f19929cab86d7925c2d9d06110d.exe
748	3224	WerFault.exe	f061dce9b1a5f681bad8220c9e4e67d068193f19929cab86d7925c2d9d06110d.exe
364	3224	WerFault.exe	f061dce9b1a5f681bad8220c9e4e67d068193f19929cab86d7925c2d9d06110d.exe
1376	3224	WerFault.exe	f061dce9b1a5f681bad8220c9e4e67d068193f19929cab86d7925c2d9d06110d.exe
4100	3224	WerFault.exe	f061dce9b1a5f681bad8220c9e4e67d068193f19929cab86d7925c2d9d06110d.exe
3848	3224	WerFault.exe	f061dce9b1a5f681bad8220c9e4e67d068193f19929cab86d7925c2d9d06110d.exe
2744	3224	WerFault.exe	f061dce9b1a5f681bad8220c9e4e67d068193f19929cab86d7925c2d9d06110d.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

3824 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 3824 taskkill.exe

pid	process
3824	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	3824	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

f061dce9b1a5f681bad8220c9e4e67d068193f19929cab86d7925c2d9d06110d.execmd.exe

description	pid	process	target process
PID 3224 wrote to memory of 4988	3224	f061dce9b1a5f681bad8220c9e4e67d068193f19929cab86d7925c2d9d06110d.exe	cmd.exe
PID 3224 wrote to memory of 4988	3224	f061dce9b1a5f681bad8220c9e4e67d068193f19929cab86d7925c2d9d06110d.exe	cmd.exe
PID 3224 wrote to memory of 4988	3224	f061dce9b1a5f681bad8220c9e4e67d068193f19929cab86d7925c2d9d06110d.exe	cmd.exe
PID 4988 wrote to memory of 3824	4988	cmd.exe	taskkill.exe
PID 4988 wrote to memory of 3824	4988	cmd.exe	taskkill.exe
PID 4988 wrote to memory of 3824	4988	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\f061dce9b1a5f681bad8220c9e4e67d068193f19929cab86d7925c2d9d06110d.exe
"C:\Users\Admin\AppData\Local\Temp\f061dce9b1a5f681bad8220c9e4e67d068193f19929cab86d7925c2d9d06110d.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3224

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3224 -s 452
2⤵
- Program crash
PID:3560

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3224 -s 452
2⤵
- Program crash
PID:1748

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3224 -s 748
2⤵
- Program crash
PID:4528

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3224 -s 784
2⤵
- Program crash
PID:5048

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3224 -s 800
2⤵
- Program crash
PID:3004

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3224 -s 820
2⤵
- Program crash
PID:748

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3224 -s 912
2⤵
- Program crash
PID:364

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3224 -s 916
2⤵
- Program crash
PID:1376

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3224 -s 1032
2⤵
- Program crash
PID:4100

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3224 -s 1340
2⤵
- Program crash
PID:3848

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:4988

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "f061dce9b1a5f681bad8220c9e4e67d068193f19929cab86d7925c2d9d06110d.exe" /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3824

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3224 -s 1436
2⤵
- Program crash
PID:2744

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3224 -ip 3224
1⤵
PID:4396

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 3224 -ip 3224
1⤵
PID:4724

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 3224 -ip 3224
1⤵
PID:1040

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 3224 -ip 3224
1⤵
PID:3584

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 3224 -ip 3224
1⤵
PID:860

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 580 -p 3224 -ip 3224
1⤵
PID:1248

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 3224 -ip 3224
1⤵
PID:4348

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 3224 -ip 3224
1⤵
PID:3608

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 3224 -ip 3224
1⤵
PID:1372

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 584 -p 3224 -ip 3224
1⤵
PID:756

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 3224 -ip 3224
1⤵
PID:4896

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

memory/3224-1-0x0000000002F90000-0x0000000003090000-memory.dmp

Filesize
1024KB

Download
memory/3224-2-0x0000000002F10000-0x0000000002F4C000-memory.dmp

Filesize
240KB

Download
memory/3224-3-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/3224-7-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/3224-6-0x0000000000400000-0x0000000002CA7000-memory.dmp

Filesize
40.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads