gcleaner | 7d16d748b50b96af9463f72ffb4646dad6d0b399b150e42bdd2542e2cc014dbd

General

Target

7d16d748b50b96af9463f72ffb4646dad6d0b399b150e42bdd2542e2cc014dbd.exe
Size

360KB
MD5

b725adf3244f06223c69c991617546a5
SHA1

50baac6054c0dd4ecdfc52953555116c2d1a19fe
SHA256

7d16d748b50b96af9463f72ffb4646dad6d0b399b150e42bdd2542e2cc014dbd
SHA512

c687aa509224bc68835c066dc1f627f15b090d8a35d3f0872d97148cb5d793a2ec127778167254058883e4c9854500d362a94229276f26fd49802f7e7e818d4a
SSDEEP

3072:+1sIm5FmI9FtoEueykAS5H4vukzXBsS6KHi1ynwNwjcFAk02wE5YS6p7HBy:Ks/5RFOGAvrm+iEwNwjcFAk0jlB

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
4588	5032	WerFault.exe	7d16d748b50b96af9463f72ffb4646dad6d0b399b150e42bdd2542e2cc014dbd.exe
3332	5032	WerFault.exe	7d16d748b50b96af9463f72ffb4646dad6d0b399b150e42bdd2542e2cc014dbd.exe
1240	5032	WerFault.exe	7d16d748b50b96af9463f72ffb4646dad6d0b399b150e42bdd2542e2cc014dbd.exe
3320	5032	WerFault.exe	7d16d748b50b96af9463f72ffb4646dad6d0b399b150e42bdd2542e2cc014dbd.exe
744	5032	WerFault.exe	7d16d748b50b96af9463f72ffb4646dad6d0b399b150e42bdd2542e2cc014dbd.exe
1028	5032	WerFault.exe	7d16d748b50b96af9463f72ffb4646dad6d0b399b150e42bdd2542e2cc014dbd.exe
4800	5032	WerFault.exe	7d16d748b50b96af9463f72ffb4646dad6d0b399b150e42bdd2542e2cc014dbd.exe
996	5032	WerFault.exe	7d16d748b50b96af9463f72ffb4646dad6d0b399b150e42bdd2542e2cc014dbd.exe
3124	5032	WerFault.exe	7d16d748b50b96af9463f72ffb4646dad6d0b399b150e42bdd2542e2cc014dbd.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

1436 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 1436 taskkill.exe

pid	process
1436	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	1436	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

7d16d748b50b96af9463f72ffb4646dad6d0b399b150e42bdd2542e2cc014dbd.execmd.exe

description	pid	process	target process
PID 5032 wrote to memory of 2204	5032	7d16d748b50b96af9463f72ffb4646dad6d0b399b150e42bdd2542e2cc014dbd.exe	cmd.exe
PID 5032 wrote to memory of 2204	5032	7d16d748b50b96af9463f72ffb4646dad6d0b399b150e42bdd2542e2cc014dbd.exe	cmd.exe
PID 5032 wrote to memory of 2204	5032	7d16d748b50b96af9463f72ffb4646dad6d0b399b150e42bdd2542e2cc014dbd.exe	cmd.exe
PID 2204 wrote to memory of 1436	2204	cmd.exe	taskkill.exe
PID 2204 wrote to memory of 1436	2204	cmd.exe	taskkill.exe
PID 2204 wrote to memory of 1436	2204	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\7d16d748b50b96af9463f72ffb4646dad6d0b399b150e42bdd2542e2cc014dbd.exe
"C:\Users\Admin\AppData\Local\Temp\7d16d748b50b96af9463f72ffb4646dad6d0b399b150e42bdd2542e2cc014dbd.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:5032

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 5032 -s 480
2⤵
- Program crash
PID:4588

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 5032 -s 804
2⤵
- Program crash
PID:3332

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 5032 -s 796
2⤵
- Program crash
PID:1240

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 5032 -s 848
2⤵
- Program crash
PID:3320

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 5032 -s 868
2⤵
- Program crash
PID:744

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 5032 -s 1000
2⤵
- Program crash
PID:1028

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 5032 -s 1008
2⤵
- Program crash
PID:4800

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 5032 -s 1500
2⤵
- Program crash
PID:996

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "7d16d748b50b96af9463f72ffb4646dad6d0b399b150e42bdd2542e2cc014dbd.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\7d16d748b50b96af9463f72ffb4646dad6d0b399b150e42bdd2542e2cc014dbd.exe" & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:2204

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "7d16d748b50b96af9463f72ffb4646dad6d0b399b150e42bdd2542e2cc014dbd.exe" /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1436

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 5032 -s 1404
2⤵
- Program crash
PID:3124

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5032 -ip 5032
1⤵
PID:2128

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 5032 -ip 5032
1⤵
PID:3180

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 5032 -ip 5032
1⤵
PID:4252

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 5032 -ip 5032
1⤵
PID:1624

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 5032 -ip 5032
1⤵
PID:4572

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 5032 -ip 5032
1⤵
PID:3216

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 5032 -ip 5032
1⤵
PID:1344

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 5032 -ip 5032
1⤵
PID:2780

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 5032 -ip 5032
1⤵
PID:3888

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

Loading Replay Monitor...

Downloads

memory/5032-1-0x0000000002490000-0x0000000002590000-memory.dmp

Filesize
1024KB

Download
memory/5032-2-0x0000000004080000-0x00000000040BC000-memory.dmp

Filesize
240KB

Download
memory/5032-3-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/5032-7-0x0000000004080000-0x00000000040BC000-memory.dmp

Filesize
240KB

Download
memory/5032-8-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/5032-6-0x0000000000400000-0x0000000002376000-memory.dmp

Filesize
31.5MB

Download

Analysis

Sharing