gcleaner | 7bf97b415231bf3441979108ec191b6e8db4d7d53141655b5bcda727d4b80299

General

Target

7bf97b415231bf3441979108ec191b6e8db4d7d53141655b5bcda727d4b80299.exe
Size

324KB
MD5

eb77dd316d560da9b16fe875746246c8
SHA1

0ad86ae5f9a8526291af26460dbacb56b2a3b254
SHA256

7bf97b415231bf3441979108ec191b6e8db4d7d53141655b5bcda727d4b80299
SHA512

28a5fcc764543f4949a0a5f0e6b701a54125ffbc6ace6335cf2fd3fa585f1eb98479b7cb375966d9292723ff40c853240c4b3812124cd211d6086dfb4f974fa0
SSDEEP

3072:tHwZqJDMpo91W+PTVu6xEXadWyVJrQUZ5evXwV/Ba88F+pCOJXmSIN8niFW1r:E1K3WTkW2JrQUIO/OFZRh8nrr

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

System Information Discovery
T1082

Program crash 11 IoCs

pid	pid_target	Process	procid_target
2224	3688	WerFault.exe	78
3092	3688	WerFault.exe	78
4956	3688	WerFault.exe	78
1628	3688	WerFault.exe	78
2484	3688	WerFault.exe	78
2664	3688	WerFault.exe	78
4252	3688	WerFault.exe	78
4272	3688	WerFault.exe	78
1580	3688	WerFault.exe	78
4060	3688	WerFault.exe	78
4740	3688	WerFault.exe	78

Kills process with taskkill 1 IoCs

evasion

pid	Process
620	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	620	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3688 wrote to memory of 1848	3688	7bf97b415231bf3441979108ec191b6e8db4d7d53141655b5bcda727d4b80299.exe	97
PID 3688 wrote to memory of 1848	3688	7bf97b415231bf3441979108ec191b6e8db4d7d53141655b5bcda727d4b80299.exe	97
PID 3688 wrote to memory of 1848	3688	7bf97b415231bf3441979108ec191b6e8db4d7d53141655b5bcda727d4b80299.exe	97
PID 1848 wrote to memory of 620	1848	cmd.exe	100
PID 1848 wrote to memory of 620	1848	cmd.exe	100
PID 1848 wrote to memory of 620	1848	cmd.exe	100

C:\Users\Admin\AppData\Local\Temp\7bf97b415231bf3441979108ec191b6e8db4d7d53141655b5bcda727d4b80299.exe
"C:\Users\Admin\AppData\Local\Temp\7bf97b415231bf3441979108ec191b6e8db4d7d53141655b5bcda727d4b80299.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3688
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3688 -s 772
  2⤵
  - Program crash
  PID:2224
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3688 -s 792
  2⤵
  - Program crash
  PID:3092
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3688 -s 772
  2⤵
  - Program crash
  PID:4956
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3688 -s 864
  2⤵
  - Program crash
  PID:1628
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3688 -s 952
  2⤵
  - Program crash
  PID:2484
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3688 -s 952
  2⤵
  - Program crash
  PID:2664
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3688 -s 1232
  2⤵
  - Program crash
  PID:4252
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3688 -s 1436
  2⤵
  - Program crash
  PID:4272
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "7bf97b415231bf3441979108ec191b6e8db4d7d53141655b5bcda727d4b80299.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\7bf97b415231bf3441979108ec191b6e8db4d7d53141655b5bcda727d4b80299.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1848
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "7bf97b415231bf3441979108ec191b6e8db4d7d53141655b5bcda727d4b80299.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:620
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3688 -s 1400
  2⤵
  - Program crash
  PID:1580
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3688 -s 1412
  2⤵
  - Program crash
  PID:4060
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3688 -s 1540
  2⤵
  - Program crash
  PID:4740

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3688 -ip 3688
1⤵
PID:2380

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 3688 -ip 3688
1⤵
PID:1840

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 3688 -ip 3688
1⤵
PID:5096

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 3688 -ip 3688
1⤵
PID:2040

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 3688 -ip 3688
1⤵
PID:3220

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 3688 -ip 3688
1⤵
PID:2956

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 3688 -ip 3688
1⤵
PID:4280

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 3688 -ip 3688
1⤵
PID:5092

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 3688 -ip 3688
1⤵
PID:3536

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 3688 -ip 3688
1⤵
PID:2244

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 3688 -ip 3688
1⤵
PID:396

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/3688-1-0x0000000004200000-0x0000000004300000-memory.dmp

Filesize
1024KB

Download
memory/3688-2-0x0000000005D50000-0x0000000005D7D000-memory.dmp

Filesize
180KB

Download
memory/3688-4-0x0000000000400000-0x0000000004042000-memory.dmp

Filesize
60.3MB

Download
memory/3688-5-0x0000000005D50000-0x0000000005D7D000-memory.dmp

Filesize
180KB

Download

Analysis

Sharing