gcleaner | f3c0ac94b6d7d1300dae5c5de17e2298d2238bf81cfa07d63c62d21a2587c660

General

Target

f3c0ac94b6d7d1300dae5c5de17e2298d2238bf81cfa07d63c62d21a2587c660.exe
Size

248KB
MD5

8f06bde9da3b1d959c39a6a5de808583
SHA1

d1cb7e1363ec4047c000d9483bd720bf1f7fa4eb
SHA256

f3c0ac94b6d7d1300dae5c5de17e2298d2238bf81cfa07d63c62d21a2587c660
SHA512

6c924b66a3eca2dd540e91d6e3f8a8322772e9e8146b155d69697028b3d5ec85fa3819d234c45ed15a0f1634dc99189a6aae36075ba61894738bbffde7ae2d72
SSDEEP

3072:ikLBAsY+IEkN7prykneGsjFvoIlv1kreKpiyJB7g2TfDqBV/36e5g:iK2sYbDr9TMv3lereKRJ9bHqXiJ

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
4480	3416	WerFault.exe	f3c0ac94b6d7d1300dae5c5de17e2298d2238bf81cfa07d63c62d21a2587c660.exe
3944	3416	WerFault.exe	f3c0ac94b6d7d1300dae5c5de17e2298d2238bf81cfa07d63c62d21a2587c660.exe
1072	3416	WerFault.exe	f3c0ac94b6d7d1300dae5c5de17e2298d2238bf81cfa07d63c62d21a2587c660.exe
2116	3416	WerFault.exe	f3c0ac94b6d7d1300dae5c5de17e2298d2238bf81cfa07d63c62d21a2587c660.exe
4804	3416	WerFault.exe	f3c0ac94b6d7d1300dae5c5de17e2298d2238bf81cfa07d63c62d21a2587c660.exe
788	3416	WerFault.exe	f3c0ac94b6d7d1300dae5c5de17e2298d2238bf81cfa07d63c62d21a2587c660.exe
4580	3416	WerFault.exe	f3c0ac94b6d7d1300dae5c5de17e2298d2238bf81cfa07d63c62d21a2587c660.exe
4000	3416	WerFault.exe	f3c0ac94b6d7d1300dae5c5de17e2298d2238bf81cfa07d63c62d21a2587c660.exe
3936	3416	WerFault.exe	f3c0ac94b6d7d1300dae5c5de17e2298d2238bf81cfa07d63c62d21a2587c660.exe
2348	3416	WerFault.exe	f3c0ac94b6d7d1300dae5c5de17e2298d2238bf81cfa07d63c62d21a2587c660.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

4472 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 4472 taskkill.exe

pid	process
4472	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	4472	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

f3c0ac94b6d7d1300dae5c5de17e2298d2238bf81cfa07d63c62d21a2587c660.execmd.exe

description	pid	process	target process
PID 3416 wrote to memory of 1448	3416	f3c0ac94b6d7d1300dae5c5de17e2298d2238bf81cfa07d63c62d21a2587c660.exe	cmd.exe
PID 3416 wrote to memory of 1448	3416	f3c0ac94b6d7d1300dae5c5de17e2298d2238bf81cfa07d63c62d21a2587c660.exe	cmd.exe
PID 3416 wrote to memory of 1448	3416	f3c0ac94b6d7d1300dae5c5de17e2298d2238bf81cfa07d63c62d21a2587c660.exe	cmd.exe
PID 1448 wrote to memory of 4472	1448	cmd.exe	taskkill.exe
PID 1448 wrote to memory of 4472	1448	cmd.exe	taskkill.exe
PID 1448 wrote to memory of 4472	1448	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\f3c0ac94b6d7d1300dae5c5de17e2298d2238bf81cfa07d63c62d21a2587c660.exe
"C:\Users\Admin\AppData\Local\Temp\f3c0ac94b6d7d1300dae5c5de17e2298d2238bf81cfa07d63c62d21a2587c660.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3416

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3416 -s 476
2⤵
- Program crash
PID:4480

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3416 -s 796
2⤵
- Program crash
PID:3944

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3416 -s 836
2⤵
- Program crash
PID:1072

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3416 -s 836
2⤵
- Program crash
PID:2116

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3416 -s 848
2⤵
- Program crash
PID:4804

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3416 -s 1000
2⤵
- Program crash
PID:788

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3416 -s 1008
2⤵
- Program crash
PID:4580

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3416 -s 1084
2⤵
- Program crash
PID:4000

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3416 -s 1476
2⤵
- Program crash
PID:3936

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "f3c0ac94b6d7d1300dae5c5de17e2298d2238bf81cfa07d63c62d21a2587c660.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\f3c0ac94b6d7d1300dae5c5de17e2298d2238bf81cfa07d63c62d21a2587c660.exe" & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:1448

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "f3c0ac94b6d7d1300dae5c5de17e2298d2238bf81cfa07d63c62d21a2587c660.exe" /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4472

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3416 -s 1560
2⤵
- Program crash
PID:2348

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3416 -ip 3416
1⤵
PID:4348

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 3416 -ip 3416
1⤵
PID:3248

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3416 -ip 3416
1⤵
PID:1096

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 3416 -ip 3416
1⤵
PID:1440

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 3416 -ip 3416
1⤵
PID:692

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 3416 -ip 3416
1⤵
PID:1792

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 3416 -ip 3416
1⤵
PID:3280

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 3416 -ip 3416
1⤵
PID:1964

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 3416 -ip 3416
1⤵
PID:4632

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 3416 -ip 3416
1⤵
PID:3992

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/3416-1-0x00000000022D0000-0x00000000023D0000-memory.dmp

Filesize
1024KB

Download
memory/3416-2-0x0000000003CB0000-0x0000000003CEC000-memory.dmp

Filesize
240KB

Download
memory/3416-3-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/3416-7-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/3416-6-0x0000000000400000-0x0000000001F89000-memory.dmp

Filesize
27.5MB

Download

Analysis

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