gcleaner | e0fa2dad2f6260cd87cffc06b7c5d71eaeb0c32ae9b8504d55e093e3439c0be5

General

Target

e0fa2dad2f6260cd87cffc06b7c5d71eaeb0c32ae9b8504d55e093e3439c0be5.exe
Size

288KB
MD5

3086fc47b4190ec7360d60d6d4ff1bda
SHA1

64372c56e3bc982b11c0dcf42c94ad413bc76ff7
SHA256

e0fa2dad2f6260cd87cffc06b7c5d71eaeb0c32ae9b8504d55e093e3439c0be5
SHA512

8c25a5ce9ec59870b7a423247329c7dadf159216b92bc4e93b1738bdcf71c2529dbb19042098874550c894c86f0c03a60e02b2b482bfdbc802ead3a0cf6608d3
SSDEEP

3072:LOJV53XgJZ6sO6j+znXlgQm5mn+ZQnmP2nbn/s+CO90Y7ysZ1w5FFN+qR8uibMFg:LJ5anvmqn/sWW40N+qPiAFaskIOZ40

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 10 IoCs

Processes:

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

pid	pid_target	process	target process
4812	968	WerFault.exe	e0fa2dad2f6260cd87cffc06b7c5d71eaeb0c32ae9b8504d55e093e3439c0be5.exe
3708	968	WerFault.exe	e0fa2dad2f6260cd87cffc06b7c5d71eaeb0c32ae9b8504d55e093e3439c0be5.exe
2452	968	WerFault.exe	e0fa2dad2f6260cd87cffc06b7c5d71eaeb0c32ae9b8504d55e093e3439c0be5.exe
332	968	WerFault.exe	e0fa2dad2f6260cd87cffc06b7c5d71eaeb0c32ae9b8504d55e093e3439c0be5.exe
3108	968	WerFault.exe	e0fa2dad2f6260cd87cffc06b7c5d71eaeb0c32ae9b8504d55e093e3439c0be5.exe
2444	968	WerFault.exe	e0fa2dad2f6260cd87cffc06b7c5d71eaeb0c32ae9b8504d55e093e3439c0be5.exe
4496	968	WerFault.exe	e0fa2dad2f6260cd87cffc06b7c5d71eaeb0c32ae9b8504d55e093e3439c0be5.exe
2776	968	WerFault.exe	e0fa2dad2f6260cd87cffc06b7c5d71eaeb0c32ae9b8504d55e093e3439c0be5.exe
3316	968	WerFault.exe	e0fa2dad2f6260cd87cffc06b7c5d71eaeb0c32ae9b8504d55e093e3439c0be5.exe
4380	968	WerFault.exe	e0fa2dad2f6260cd87cffc06b7c5d71eaeb0c32ae9b8504d55e093e3439c0be5.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

3928 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 3928 taskkill.exe

pid	process
3928	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	3928	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

e0fa2dad2f6260cd87cffc06b7c5d71eaeb0c32ae9b8504d55e093e3439c0be5.execmd.exe

description	pid	process	target process
PID 968 wrote to memory of 1000	968	e0fa2dad2f6260cd87cffc06b7c5d71eaeb0c32ae9b8504d55e093e3439c0be5.exe	cmd.exe
PID 968 wrote to memory of 1000	968	e0fa2dad2f6260cd87cffc06b7c5d71eaeb0c32ae9b8504d55e093e3439c0be5.exe	cmd.exe
PID 968 wrote to memory of 1000	968	e0fa2dad2f6260cd87cffc06b7c5d71eaeb0c32ae9b8504d55e093e3439c0be5.exe	cmd.exe
PID 1000 wrote to memory of 3928	1000	cmd.exe	taskkill.exe
PID 1000 wrote to memory of 3928	1000	cmd.exe	taskkill.exe
PID 1000 wrote to memory of 3928	1000	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\e0fa2dad2f6260cd87cffc06b7c5d71eaeb0c32ae9b8504d55e093e3439c0be5.exe
"C:\Users\Admin\AppData\Local\Temp\e0fa2dad2f6260cd87cffc06b7c5d71eaeb0c32ae9b8504d55e093e3439c0be5.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:968

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 968 -s 476
2⤵
- Program crash
PID:4812

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 968 -s 496
2⤵
- Program crash
PID:3708

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 968 -s 780
2⤵
- Program crash
PID:2452

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 968 -s 800
2⤵
- Program crash
PID:332

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 968 -s 820
2⤵
- Program crash
PID:3108

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 968 -s 872
2⤵
- Program crash
PID:2444

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 968 -s 984
2⤵
- Program crash
PID:4496

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 968 -s 1068
2⤵
- Program crash
PID:2776

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 968 -s 1444
2⤵
- Program crash
PID:3316

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "e0fa2dad2f6260cd87cffc06b7c5d71eaeb0c32ae9b8504d55e093e3439c0be5.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\e0fa2dad2f6260cd87cffc06b7c5d71eaeb0c32ae9b8504d55e093e3439c0be5.exe" & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:1000

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "e0fa2dad2f6260cd87cffc06b7c5d71eaeb0c32ae9b8504d55e093e3439c0be5.exe" /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3928

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 968 -s 1204
2⤵
- Program crash
PID:4380

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 968 -ip 968
1⤵
PID:392

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 968 -ip 968
1⤵
PID:4896

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 968 -ip 968
1⤵
PID:456

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 968 -ip 968
1⤵
PID:2328

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 968 -ip 968
1⤵
PID:1784

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 968 -ip 968
1⤵
PID:1180

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 968 -ip 968
1⤵
PID:1704

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 968 -ip 968
1⤵
PID:752

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 968 -ip 968
1⤵
PID:4956

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 968 -ip 968
1⤵
PID:1884

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

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Downloads

memory/968-1-0x00000000005E0000-0x00000000006E0000-memory.dmp

Filesize
1024KB

Download
memory/968-2-0x00000000021A0000-0x00000000021DC000-memory.dmp

Filesize
240KB

Download
memory/968-3-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/968-7-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/968-6-0x0000000000400000-0x0000000000491000-memory.dmp

Filesize
580KB

Download

Analysis

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