gcleaner | 6eecccb0f0a0b65fc520c137e2b4dd9d969e1fb41df341095750b0e3ebebaad8

General

Target

6eecccb0f0a0b65fc520c137e2b4dd9d969e1fb41df341095750b0e3ebebaad8.exe
Size

380KB
MD5

c98b465dcff9411ba3ca035ebc55bfd4
SHA1

f824b8eae510d7740a497f7e776a79e45c04b20b
SHA256

6eecccb0f0a0b65fc520c137e2b4dd9d969e1fb41df341095750b0e3ebebaad8
SHA512

a7c6b9d5413fa3f61db9ccfa642de2655f0c01b5248525816847057fe7bd6ad8f285cd09a79f6e983472cb0f6fd09d3fbacf527f58b4533bc618d818e75fe156
SSDEEP

6144:OOCKlZmp+Uk4OWGdljNHigSpTegb1+fHB:VCKjjUXOFijfg

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 9 IoCs

Processes:

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

pid	pid_target	process	target process
4896	240	WerFault.exe	6eecccb0f0a0b65fc520c137e2b4dd9d969e1fb41df341095750b0e3ebebaad8.exe
688	240	WerFault.exe	6eecccb0f0a0b65fc520c137e2b4dd9d969e1fb41df341095750b0e3ebebaad8.exe
1276	240	WerFault.exe	6eecccb0f0a0b65fc520c137e2b4dd9d969e1fb41df341095750b0e3ebebaad8.exe
3536	240	WerFault.exe	6eecccb0f0a0b65fc520c137e2b4dd9d969e1fb41df341095750b0e3ebebaad8.exe
2956	240	WerFault.exe	6eecccb0f0a0b65fc520c137e2b4dd9d969e1fb41df341095750b0e3ebebaad8.exe
4844	240	WerFault.exe	6eecccb0f0a0b65fc520c137e2b4dd9d969e1fb41df341095750b0e3ebebaad8.exe
984	240	WerFault.exe	6eecccb0f0a0b65fc520c137e2b4dd9d969e1fb41df341095750b0e3ebebaad8.exe
760	240	WerFault.exe	6eecccb0f0a0b65fc520c137e2b4dd9d969e1fb41df341095750b0e3ebebaad8.exe
4692	240	WerFault.exe	6eecccb0f0a0b65fc520c137e2b4dd9d969e1fb41df341095750b0e3ebebaad8.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

5096 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 5096 taskkill.exe

pid	process
5096	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	5096	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

6eecccb0f0a0b65fc520c137e2b4dd9d969e1fb41df341095750b0e3ebebaad8.execmd.exe

description	pid	process	target process
PID 240 wrote to memory of 4020	240	6eecccb0f0a0b65fc520c137e2b4dd9d969e1fb41df341095750b0e3ebebaad8.exe	cmd.exe
PID 240 wrote to memory of 4020	240	6eecccb0f0a0b65fc520c137e2b4dd9d969e1fb41df341095750b0e3ebebaad8.exe	cmd.exe
PID 240 wrote to memory of 4020	240	6eecccb0f0a0b65fc520c137e2b4dd9d969e1fb41df341095750b0e3ebebaad8.exe	cmd.exe
PID 4020 wrote to memory of 5096	4020	cmd.exe	taskkill.exe
PID 4020 wrote to memory of 5096	4020	cmd.exe	taskkill.exe
PID 4020 wrote to memory of 5096	4020	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\6eecccb0f0a0b65fc520c137e2b4dd9d969e1fb41df341095750b0e3ebebaad8.exe
"C:\Users\Admin\AppData\Local\Temp\6eecccb0f0a0b65fc520c137e2b4dd9d969e1fb41df341095750b0e3ebebaad8.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:240

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 240 -s 480
2⤵
- Program crash
PID:4896

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 240 -s 796
2⤵
- Program crash
PID:688

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 240 -s 816
2⤵
- Program crash
PID:1276

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 240 -s 856
2⤵
- Program crash
PID:3536

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 240 -s 892
2⤵
- Program crash
PID:2956

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 240 -s 992
2⤵
- Program crash
PID:4844

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 240 -s 1000
2⤵
- Program crash
PID:984

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 240 -s 1460
2⤵
- Program crash
PID:760

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "6eecccb0f0a0b65fc520c137e2b4dd9d969e1fb41df341095750b0e3ebebaad8.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\6eecccb0f0a0b65fc520c137e2b4dd9d969e1fb41df341095750b0e3ebebaad8.exe" & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:4020

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "6eecccb0f0a0b65fc520c137e2b4dd9d969e1fb41df341095750b0e3ebebaad8.exe" /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:5096

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 240 -s 1560
2⤵
- Program crash
PID:4692

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 240 -ip 240
1⤵
PID:1504

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 240 -ip 240
1⤵
PID:1964

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 240 -ip 240
1⤵
PID:1752

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 240 -ip 240
1⤵
PID:3136

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 240 -ip 240
1⤵
PID:2832

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 240 -ip 240
1⤵
PID:2344

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 240 -ip 240
1⤵
PID:4908

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 240 -ip 240
1⤵
PID:4184

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 240 -ip 240
1⤵
PID:2928

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/240-1-0x00000000025D0000-0x00000000026D0000-memory.dmp

Filesize
1024KB

Download
memory/240-2-0x00000000040B0000-0x00000000040EC000-memory.dmp

Filesize
240KB

Download
memory/240-3-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/240-8-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/240-7-0x00000000040B0000-0x00000000040EC000-memory.dmp

Filesize
240KB

Download
memory/240-6-0x0000000000400000-0x000000000237B000-memory.dmp

Filesize
31.5MB

Download

Analysis

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