gcleaner | d573c52d123b2108172188f04d5deb983b6a8c73be5e5b660e567da1f91e96a8

General

Target

d573c52d123b2108172188f04d5deb983b6a8c73be5e5b660e567da1f91e96a8.exe
Size

262KB
MD5

8b9353cb3b64da37174d34c3c43eb6dc
SHA1

4b1cda570950f562c49a84e052037dfe7cae9d92
SHA256

d573c52d123b2108172188f04d5deb983b6a8c73be5e5b660e567da1f91e96a8
SHA512

4ec2607cbaed9e28bdb579627cc2a6ca295039d8226cec21221c22e6513b3d3a7cbb962b996b2fe6c0afd18b5237bbdd266a7b399c9649de055b7e6611ebb56f
SSDEEP

6144:pptiwAsTI5qszTtKBli++fUJdf67yZDHY:pptiwAiI591++MJp6m

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
1780	1372	WerFault.exe	d573c52d123b2108172188f04d5deb983b6a8c73be5e5b660e567da1f91e96a8.exe
1188	1372	WerFault.exe	d573c52d123b2108172188f04d5deb983b6a8c73be5e5b660e567da1f91e96a8.exe
4136	1372	WerFault.exe	d573c52d123b2108172188f04d5deb983b6a8c73be5e5b660e567da1f91e96a8.exe
1728	1372	WerFault.exe	d573c52d123b2108172188f04d5deb983b6a8c73be5e5b660e567da1f91e96a8.exe
1688	1372	WerFault.exe	d573c52d123b2108172188f04d5deb983b6a8c73be5e5b660e567da1f91e96a8.exe
1620	1372	WerFault.exe	d573c52d123b2108172188f04d5deb983b6a8c73be5e5b660e567da1f91e96a8.exe
3140	1372	WerFault.exe	d573c52d123b2108172188f04d5deb983b6a8c73be5e5b660e567da1f91e96a8.exe
2060	1372	WerFault.exe	d573c52d123b2108172188f04d5deb983b6a8c73be5e5b660e567da1f91e96a8.exe
2856	1372	WerFault.exe	d573c52d123b2108172188f04d5deb983b6a8c73be5e5b660e567da1f91e96a8.exe
920	1372	WerFault.exe	d573c52d123b2108172188f04d5deb983b6a8c73be5e5b660e567da1f91e96a8.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

3724 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 3724 taskkill.exe

pid	process
3724	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	3724	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

d573c52d123b2108172188f04d5deb983b6a8c73be5e5b660e567da1f91e96a8.execmd.exe

description	pid	process	target process
PID 1372 wrote to memory of 2068	1372	d573c52d123b2108172188f04d5deb983b6a8c73be5e5b660e567da1f91e96a8.exe	cmd.exe
PID 1372 wrote to memory of 2068	1372	d573c52d123b2108172188f04d5deb983b6a8c73be5e5b660e567da1f91e96a8.exe	cmd.exe
PID 1372 wrote to memory of 2068	1372	d573c52d123b2108172188f04d5deb983b6a8c73be5e5b660e567da1f91e96a8.exe	cmd.exe
PID 2068 wrote to memory of 3724	2068	cmd.exe	taskkill.exe
PID 2068 wrote to memory of 3724	2068	cmd.exe	taskkill.exe
PID 2068 wrote to memory of 3724	2068	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\d573c52d123b2108172188f04d5deb983b6a8c73be5e5b660e567da1f91e96a8.exe
"C:\Users\Admin\AppData\Local\Temp\d573c52d123b2108172188f04d5deb983b6a8c73be5e5b660e567da1f91e96a8.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1372

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1372 -s 364
2⤵
- Program crash
PID:1780

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1372 -s 480
2⤵
- Program crash
PID:1188

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1372 -s 780
2⤵
- Program crash
PID:4136

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1372 -s 800
2⤵
- Program crash
PID:1728

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1372 -s 832
2⤵
- Program crash
PID:1688

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1372 -s 880
2⤵
- Program crash
PID:1620

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1372 -s 984
2⤵
- Program crash
PID:3140

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1372 -s 1068
2⤵
- Program crash
PID:2060

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1372 -s 1460
2⤵
- Program crash
PID:2856

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "d573c52d123b2108172188f04d5deb983b6a8c73be5e5b660e567da1f91e96a8.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\d573c52d123b2108172188f04d5deb983b6a8c73be5e5b660e567da1f91e96a8.exe" & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:2068

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "d573c52d123b2108172188f04d5deb983b6a8c73be5e5b660e567da1f91e96a8.exe" /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3724

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1372 -s 1276
2⤵
- Program crash
PID:920

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1372 -ip 1372
1⤵
PID:4116

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 1372 -ip 1372
1⤵
PID:424

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1372 -ip 1372
1⤵
PID:4456

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 1372 -ip 1372
1⤵
PID:1940

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1372 -ip 1372
1⤵
PID:872

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 1372 -ip 1372
1⤵
PID:3204

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1372 -ip 1372
1⤵
PID:3924

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 1372 -ip 1372
1⤵
PID:3364

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 1372 -ip 1372
1⤵
PID:1956

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 1372 -ip 1372
1⤵
PID:832

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/1372-2-0x0000000000700000-0x000000000073C000-memory.dmp

Filesize
240KB

Download
memory/1372-1-0x0000000000780000-0x0000000000880000-memory.dmp

Filesize
1024KB

Download
memory/1372-3-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1372-6-0x0000000000400000-0x000000000048B000-memory.dmp

Filesize
556KB

Download
memory/1372-8-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1372-7-0x0000000000700000-0x000000000073C000-memory.dmp

Filesize
240KB

Download

Analysis

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