gcleaner | eb9eccbaa77e09300d88b6b48b50a7d07220db8d298903f1485d1d81b8000c75

General

Target

eb9eccbaa77e09300d88b6b48b50a7d07220db8d298903f1485d1d81b8000c75.exe
Size

320KB
MD5

e0f391b8560a0880645fcc6ce8f4f5e7
SHA1

b050b1818bfa4e209a12bc2725807afcce24ae3a
SHA256

eb9eccbaa77e09300d88b6b48b50a7d07220db8d298903f1485d1d81b8000c75
SHA512

ac5ebd7029d068fc3cde77c9898b6b39b61a03bf9ce410d1ac9509cae3313b64d9488f907445479719f772d9bb867a5a78f10600307c32ec86347b36348be01f
SSDEEP

6144:7RRzXLkZnV2cBIu/fJZjDo/4zVGnrBlS2V6S967LWT:7RJgZnV1BIu/fJZno/5nqHla

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
4336	1396	WerFault.exe	eb9eccbaa77e09300d88b6b48b50a7d07220db8d298903f1485d1d81b8000c75.exe
4756	1396	WerFault.exe	eb9eccbaa77e09300d88b6b48b50a7d07220db8d298903f1485d1d81b8000c75.exe
2444	1396	WerFault.exe	eb9eccbaa77e09300d88b6b48b50a7d07220db8d298903f1485d1d81b8000c75.exe
1572	1396	WerFault.exe	eb9eccbaa77e09300d88b6b48b50a7d07220db8d298903f1485d1d81b8000c75.exe
4184	1396	WerFault.exe	eb9eccbaa77e09300d88b6b48b50a7d07220db8d298903f1485d1d81b8000c75.exe
4872	1396	WerFault.exe	eb9eccbaa77e09300d88b6b48b50a7d07220db8d298903f1485d1d81b8000c75.exe
3632	1396	WerFault.exe	eb9eccbaa77e09300d88b6b48b50a7d07220db8d298903f1485d1d81b8000c75.exe
3384	1396	WerFault.exe	eb9eccbaa77e09300d88b6b48b50a7d07220db8d298903f1485d1d81b8000c75.exe
1896	1396	WerFault.exe	eb9eccbaa77e09300d88b6b48b50a7d07220db8d298903f1485d1d81b8000c75.exe
4240	1396	WerFault.exe	eb9eccbaa77e09300d88b6b48b50a7d07220db8d298903f1485d1d81b8000c75.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

3152 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 3152 taskkill.exe

pid	process
3152	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	3152	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

eb9eccbaa77e09300d88b6b48b50a7d07220db8d298903f1485d1d81b8000c75.execmd.exe

description	pid	process	target process
PID 1396 wrote to memory of 332	1396	eb9eccbaa77e09300d88b6b48b50a7d07220db8d298903f1485d1d81b8000c75.exe	cmd.exe
PID 1396 wrote to memory of 332	1396	eb9eccbaa77e09300d88b6b48b50a7d07220db8d298903f1485d1d81b8000c75.exe	cmd.exe
PID 1396 wrote to memory of 332	1396	eb9eccbaa77e09300d88b6b48b50a7d07220db8d298903f1485d1d81b8000c75.exe	cmd.exe
PID 332 wrote to memory of 3152	332	cmd.exe	taskkill.exe
PID 332 wrote to memory of 3152	332	cmd.exe	taskkill.exe
PID 332 wrote to memory of 3152	332	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\eb9eccbaa77e09300d88b6b48b50a7d07220db8d298903f1485d1d81b8000c75.exe
"C:\Users\Admin\AppData\Local\Temp\eb9eccbaa77e09300d88b6b48b50a7d07220db8d298903f1485d1d81b8000c75.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1396

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1396 -s 476
2⤵
- Program crash
PID:4336

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1396 -s 532
2⤵
- Program crash
PID:4756

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1396 -s 780
2⤵
- Program crash
PID:2444

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1396 -s 820
2⤵
- Program crash
PID:1572

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1396 -s 820
2⤵
- Program crash
PID:4184

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1396 -s 884
2⤵
- Program crash
PID:4872

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1396 -s 984
2⤵
- Program crash
PID:3632

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1396 -s 992
2⤵
- Program crash
PID:3384

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1396 -s 1240
2⤵
- Program crash
PID:1896

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1396 -s 1500
2⤵
- Program crash
PID:4240

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "eb9eccbaa77e09300d88b6b48b50a7d07220db8d298903f1485d1d81b8000c75.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\eb9eccbaa77e09300d88b6b48b50a7d07220db8d298903f1485d1d81b8000c75.exe" & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:332

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "eb9eccbaa77e09300d88b6b48b50a7d07220db8d298903f1485d1d81b8000c75.exe" /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3152

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1396 -ip 1396
1⤵
PID:5040

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1396 -ip 1396
1⤵
PID:1076

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1396 -ip 1396
1⤵
PID:3264

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 1396 -ip 1396
1⤵
PID:4500

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 1396 -ip 1396
1⤵
PID:1880

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 1396 -ip 1396
1⤵
PID:4380

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1396 -ip 1396
1⤵
PID:4216

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 1396 -ip 1396
1⤵
PID:3372

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 1396 -ip 1396
1⤵
PID:2924

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 1396 -ip 1396
1⤵
PID:3320

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

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Downloads

memory/1396-2-0x00000000049D0000-0x0000000004A0C000-memory.dmp

Filesize
240KB

Download
memory/1396-1-0x0000000002E20000-0x0000000002F20000-memory.dmp

Filesize
1024KB

Download
memory/1396-3-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1396-8-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1396-7-0x00000000049D0000-0x0000000004A0C000-memory.dmp

Filesize
240KB

Download
memory/1396-6-0x0000000000400000-0x0000000002CAE000-memory.dmp

Filesize
40.7MB

Download

Analysis

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