gcleaner | 7bb90f2385d04eeb304c997fd98ff3450a166cb126be210dc62438e0c54d9ba0

General

Target

7bb90f2385d04eeb304c997fd98ff3450a166cb126be210dc62438e0c54d9ba0.exe
Size

365KB
MD5

88c14e3a5d4d441e17f8539f102fa7e2
SHA1

6d440bbc5524e7c199de9052ab3664aaef1907ad
SHA256

7bb90f2385d04eeb304c997fd98ff3450a166cb126be210dc62438e0c54d9ba0
SHA512

3d2654c79007462e9fdc5dd248e334dbce1e2b1bfe2de40122f42e1897040a3f01eb388b6c55cdf6d3e783f65141364c994310c36883072de7c2bc71d75a6a90
SSDEEP

6144:WrNEzpupJ+y1YH6a0Wc6G99Sg7gvccmY9SlthHB:YNEzOJ+yoY1v9vgEJYO

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
4224	1876	WerFault.exe	7bb90f2385d04eeb304c997fd98ff3450a166cb126be210dc62438e0c54d9ba0.exe
4348	1876	WerFault.exe	7bb90f2385d04eeb304c997fd98ff3450a166cb126be210dc62438e0c54d9ba0.exe
1832	1876	WerFault.exe	7bb90f2385d04eeb304c997fd98ff3450a166cb126be210dc62438e0c54d9ba0.exe
4484	1876	WerFault.exe	7bb90f2385d04eeb304c997fd98ff3450a166cb126be210dc62438e0c54d9ba0.exe
2116	1876	WerFault.exe	7bb90f2385d04eeb304c997fd98ff3450a166cb126be210dc62438e0c54d9ba0.exe
3532	1876	WerFault.exe	7bb90f2385d04eeb304c997fd98ff3450a166cb126be210dc62438e0c54d9ba0.exe
4076	1876	WerFault.exe	7bb90f2385d04eeb304c997fd98ff3450a166cb126be210dc62438e0c54d9ba0.exe
4668	1876	WerFault.exe	7bb90f2385d04eeb304c997fd98ff3450a166cb126be210dc62438e0c54d9ba0.exe
2192	1876	WerFault.exe	7bb90f2385d04eeb304c997fd98ff3450a166cb126be210dc62438e0c54d9ba0.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

1296 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 1296 taskkill.exe

pid	process
1296	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	1296	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

7bb90f2385d04eeb304c997fd98ff3450a166cb126be210dc62438e0c54d9ba0.execmd.exe

description	pid	process	target process
PID 1876 wrote to memory of 1352	1876	7bb90f2385d04eeb304c997fd98ff3450a166cb126be210dc62438e0c54d9ba0.exe	cmd.exe
PID 1876 wrote to memory of 1352	1876	7bb90f2385d04eeb304c997fd98ff3450a166cb126be210dc62438e0c54d9ba0.exe	cmd.exe
PID 1876 wrote to memory of 1352	1876	7bb90f2385d04eeb304c997fd98ff3450a166cb126be210dc62438e0c54d9ba0.exe	cmd.exe
PID 1352 wrote to memory of 1296	1352	cmd.exe	taskkill.exe
PID 1352 wrote to memory of 1296	1352	cmd.exe	taskkill.exe
PID 1352 wrote to memory of 1296	1352	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\7bb90f2385d04eeb304c997fd98ff3450a166cb126be210dc62438e0c54d9ba0.exe
"C:\Users\Admin\AppData\Local\Temp\7bb90f2385d04eeb304c997fd98ff3450a166cb126be210dc62438e0c54d9ba0.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1876

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1876 -s 364
2⤵
- Program crash
PID:4224

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1876 -s 796
2⤵
- Program crash
PID:4348

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1876 -s 816
2⤵
- Program crash
PID:1832

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1876 -s 836
2⤵
- Program crash
PID:4484

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1876 -s 844
2⤵
- Program crash
PID:2116

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1876 -s 1000
2⤵
- Program crash
PID:3532

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1876 -s 1088
2⤵
- Program crash
PID:4076

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1876 -s 1460
2⤵
- Program crash
PID:4668

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "7bb90f2385d04eeb304c997fd98ff3450a166cb126be210dc62438e0c54d9ba0.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\7bb90f2385d04eeb304c997fd98ff3450a166cb126be210dc62438e0c54d9ba0.exe" & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:1352

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "7bb90f2385d04eeb304c997fd98ff3450a166cb126be210dc62438e0c54d9ba0.exe" /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1296

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1876 -s 488
2⤵
- Program crash
PID:2192

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1876 -ip 1876
1⤵
PID:2336

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1876 -ip 1876
1⤵
PID:3976

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 400 -p 1876 -ip 1876
1⤵
PID:1040

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 1876 -ip 1876
1⤵
PID:3076

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 1876 -ip 1876
1⤵
PID:3804

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 1876 -ip 1876
1⤵
PID:1968

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 1876 -ip 1876
1⤵
PID:332

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 1876 -ip 1876
1⤵
PID:2828

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 1876 -ip 1876
1⤵
PID:1508

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/1876-2-0x0000000002800000-0x000000000283C000-memory.dmp

Filesize
240KB

Download
memory/1876-1-0x00000000025C0000-0x00000000026C0000-memory.dmp

Filesize
1024KB

Download
memory/1876-3-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1876-8-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1876-7-0x0000000002800000-0x000000000283C000-memory.dmp

Filesize
240KB

Download
memory/1876-6-0x0000000000400000-0x0000000002378000-memory.dmp

Filesize
31.5MB

Download

Analysis

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