gcleaner | fba5f261b2d096ac50c3241a8a5fa08af6fc784abf3e155baa69f8db15f4849c

General

Target

fba5f261b2d096ac50c3241a8a5fa08af6fc784abf3e155baa69f8db15f4849c.exe
Size

377KB
MD5

6e4cde98b93c0226f48b4af5c28c69b3
SHA1

84539053e18bbba9fa744bdec66a608df77bb545
SHA256

fba5f261b2d096ac50c3241a8a5fa08af6fc784abf3e155baa69f8db15f4849c
SHA512

8cbe25324082ccea3b36140d940b92ce6f0291726fdc8762020b48b4e77d7a53ccc71e1c63fdcf534e0e3cd2e4b444b77da0812bbaab9d9880dc540d4eb27bff
SSDEEP

6144:nFR3hae6Ax+No4g4mV/W9zBUysUg4Me/CKTcbmqrxuDIOubT2:FKe6AH4zMkzBUyseCFmqr8D/8

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
Downloads MZ/PE file

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:

fba5f261b2d096ac50c3241a8a5fa08af6fc784abf3e155baa69f8db15f4849c.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4204450073-1267028356-951339405-1000\Control Panel\International\Geo\Nation	fba5f261b2d096ac50c3241a8a5fa08af6fc784abf3e155baa69f8db15f4849c.exe

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
1448	1256	WerFault.exe	fba5f261b2d096ac50c3241a8a5fa08af6fc784abf3e155baa69f8db15f4849c.exe
3256	1256	WerFault.exe	fba5f261b2d096ac50c3241a8a5fa08af6fc784abf3e155baa69f8db15f4849c.exe
5084	1256	WerFault.exe	fba5f261b2d096ac50c3241a8a5fa08af6fc784abf3e155baa69f8db15f4849c.exe
2432	1256	WerFault.exe	fba5f261b2d096ac50c3241a8a5fa08af6fc784abf3e155baa69f8db15f4849c.exe
2872	1256	WerFault.exe	fba5f261b2d096ac50c3241a8a5fa08af6fc784abf3e155baa69f8db15f4849c.exe
2692	1256	WerFault.exe	fba5f261b2d096ac50c3241a8a5fa08af6fc784abf3e155baa69f8db15f4849c.exe
2460	1256	WerFault.exe	fba5f261b2d096ac50c3241a8a5fa08af6fc784abf3e155baa69f8db15f4849c.exe
2376	1256	WerFault.exe	fba5f261b2d096ac50c3241a8a5fa08af6fc784abf3e155baa69f8db15f4849c.exe
1892	1256	WerFault.exe	fba5f261b2d096ac50c3241a8a5fa08af6fc784abf3e155baa69f8db15f4849c.exe
2028	1256	WerFault.exe	fba5f261b2d096ac50c3241a8a5fa08af6fc784abf3e155baa69f8db15f4849c.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

2552 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 2552 taskkill.exe

pid	process
2552	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	2552	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

fba5f261b2d096ac50c3241a8a5fa08af6fc784abf3e155baa69f8db15f4849c.execmd.exe

description	pid	process	target process
PID 1256 wrote to memory of 1896	1256	fba5f261b2d096ac50c3241a8a5fa08af6fc784abf3e155baa69f8db15f4849c.exe	cmd.exe
PID 1256 wrote to memory of 1896	1256	fba5f261b2d096ac50c3241a8a5fa08af6fc784abf3e155baa69f8db15f4849c.exe	cmd.exe
PID 1256 wrote to memory of 1896	1256	fba5f261b2d096ac50c3241a8a5fa08af6fc784abf3e155baa69f8db15f4849c.exe	cmd.exe
PID 1896 wrote to memory of 2552	1896	cmd.exe	taskkill.exe
PID 1896 wrote to memory of 2552	1896	cmd.exe	taskkill.exe
PID 1896 wrote to memory of 2552	1896	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\fba5f261b2d096ac50c3241a8a5fa08af6fc784abf3e155baa69f8db15f4849c.exe
"C:\Users\Admin\AppData\Local\Temp\fba5f261b2d096ac50c3241a8a5fa08af6fc784abf3e155baa69f8db15f4849c.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1256

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1256 -s 452
2⤵
- Program crash
PID:1448

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1256 -s 764
2⤵
- Program crash
PID:3256

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1256 -s 804
2⤵
- Program crash
PID:5084

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1256 -s 804
2⤵
- Program crash
PID:2432

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1256 -s 864
2⤵
- Program crash
PID:2872

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1256 -s 928
2⤵
- Program crash
PID:2692

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1256 -s 932
2⤵
- Program crash
PID:2460

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1256 -s 1104
2⤵
- Program crash
PID:2376

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1256 -s 1676
2⤵
- Program crash
PID:1892

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "fba5f261b2d096ac50c3241a8a5fa08af6fc784abf3e155baa69f8db15f4849c.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\fba5f261b2d096ac50c3241a8a5fa08af6fc784abf3e155baa69f8db15f4849c.exe" & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:1896

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "fba5f261b2d096ac50c3241a8a5fa08af6fc784abf3e155baa69f8db15f4849c.exe" /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2552

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1256 -s 492
2⤵
- Program crash
PID:2028

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 1256 -ip 1256
1⤵
PID:2520

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 1256 -ip 1256
1⤵
PID:5068

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 1256 -ip 1256
1⤵
PID:3296

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1256 -ip 1256
1⤵
PID:4552

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 1256 -ip 1256
1⤵
PID:2860

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1256 -ip 1256
1⤵
PID:2892

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 1256 -ip 1256
1⤵
PID:3576

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 1256 -ip 1256
1⤵
PID:1420

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 1256 -ip 1256
1⤵
PID:892

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 1256 -ip 1256
1⤵
PID:4560

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

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\3NQFXGDW\advdlc[1].htm
Filesize
1B

MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

Download Submit
memory/1256-1-0x00000000007B0000-0x00000000008B0000-memory.dmp

Filesize
1024KB

Download
memory/1256-2-0x0000000000700000-0x000000000073C000-memory.dmp

Filesize
240KB

Download
memory/1256-3-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1256-8-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/1256-14-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/1256-21-0x00000000007B0000-0x00000000008B0000-memory.dmp

Filesize
1024KB

Download
memory/1256-22-0x0000000000700000-0x000000000073C000-memory.dmp

Filesize
240KB

Download
memory/1256-24-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1256-36-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1256-35-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads