gcleaner | 18488d4d0c555096f88972d08c2765b8021b39bd698db9f78370b9dc7bfdecd3

General

Target

5e0687c0c3822213bb9710c1499e6b57d87bbe12285dbf059fbb4750294c070f.exe
Size

389KB
MD5

4f91267891bbcb4d8800ece961d93f42
SHA1

facb2ec17ee80ec70a9c2072ff895e9070d5bdc2
SHA256

5e0687c0c3822213bb9710c1499e6b57d87bbe12285dbf059fbb4750294c070f
SHA512

aa08542e4d71e3810b0e742276033d096ef4756e899874ed48585c2be52d1f4d579dbe932bbcf3b144a62c10ea59a155e3ca502edb43adfac72312d28f3eabde
SSDEEP

6144:mkArCLEiyQEw4fhXgdRbAFBr9eTRN4PzEk+S662w0:myIiyQFIh5K47pJvR

Score

10^/10

gcleaner loader

Malware Config

Extracted

Family

gcleaner

C2

45.12.253.56

45.12.253.72

45.12.253.98

45.12.253.75

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:

5e0687c0c3822213bb9710c1499e6b57d87bbe12285dbf059fbb4750294c070f.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Control Panel\International\Geo\Nation	5e0687c0c3822213bb9710c1499e6b57d87bbe12285dbf059fbb4750294c070f.exe

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

System Information Discovery
T1082

Program crash 7 IoCs

Processes:

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

pid	pid_target	process	target process
2972	1528	WerFault.exe	5e0687c0c3822213bb9710c1499e6b57d87bbe12285dbf059fbb4750294c070f.exe
3544	1528	WerFault.exe	5e0687c0c3822213bb9710c1499e6b57d87bbe12285dbf059fbb4750294c070f.exe
2532	1528	WerFault.exe	5e0687c0c3822213bb9710c1499e6b57d87bbe12285dbf059fbb4750294c070f.exe
764	1528	WerFault.exe	5e0687c0c3822213bb9710c1499e6b57d87bbe12285dbf059fbb4750294c070f.exe
4240	1528	WerFault.exe	5e0687c0c3822213bb9710c1499e6b57d87bbe12285dbf059fbb4750294c070f.exe
2684	1528	WerFault.exe	5e0687c0c3822213bb9710c1499e6b57d87bbe12285dbf059fbb4750294c070f.exe
4772	1528	WerFault.exe	5e0687c0c3822213bb9710c1499e6b57d87bbe12285dbf059fbb4750294c070f.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

4888 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 4888 taskkill.exe

pid	process
4888	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	4888	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

5e0687c0c3822213bb9710c1499e6b57d87bbe12285dbf059fbb4750294c070f.execmd.exe

description	pid	process	target process
PID 1528 wrote to memory of 2112	1528	5e0687c0c3822213bb9710c1499e6b57d87bbe12285dbf059fbb4750294c070f.exe	cmd.exe
PID 1528 wrote to memory of 2112	1528	5e0687c0c3822213bb9710c1499e6b57d87bbe12285dbf059fbb4750294c070f.exe	cmd.exe
PID 1528 wrote to memory of 2112	1528	5e0687c0c3822213bb9710c1499e6b57d87bbe12285dbf059fbb4750294c070f.exe	cmd.exe
PID 2112 wrote to memory of 4888	2112	cmd.exe	taskkill.exe
PID 2112 wrote to memory of 4888	2112	cmd.exe	taskkill.exe
PID 2112 wrote to memory of 4888	2112	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\5e0687c0c3822213bb9710c1499e6b57d87bbe12285dbf059fbb4750294c070f.exe
"C:\Users\Admin\AppData\Local\Temp\5e0687c0c3822213bb9710c1499e6b57d87bbe12285dbf059fbb4750294c070f.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1528
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1528 -s 732
  2⤵
  - Program crash
  PID:2972
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1528 -s 780
  2⤵
  - Program crash
  PID:3544
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1528 -s 772
  2⤵
  - Program crash
  PID:2532
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1528 -s 932
  2⤵
  - Program crash
  PID:764
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1528 -s 932
  2⤵
  - Program crash
  PID:4240
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1528 -s 772
  2⤵
  - Program crash
  PID:2684
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "5e0687c0c3822213bb9710c1499e6b57d87bbe12285dbf059fbb4750294c070f.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\5e0687c0c3822213bb9710c1499e6b57d87bbe12285dbf059fbb4750294c070f.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2112
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "5e0687c0c3822213bb9710c1499e6b57d87bbe12285dbf059fbb4750294c070f.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:4888
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1528 -s 992
  2⤵
  - Program crash
  PID:4772

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1528 -ip 1528
1⤵
PID:2236

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1528 -ip 1528
1⤵
PID:220

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 1528 -ip 1528
1⤵
PID:1228

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 1528 -ip 1528
1⤵
PID:3652

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 1528 -ip 1528
1⤵
PID:1124

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 1528 -ip 1528
1⤵
PID:1840

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 1528 -ip 1528
1⤵
PID:1452

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1528-134-0x0000000002D10000-0x0000000002D50000-memory.dmp

Filesize
256KB

Download
memory/1528-135-0x0000000000400000-0x0000000002BCF000-memory.dmp

Filesize
39.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads