gcleaner | 441e5e59d01f656d8cb69cf40ee60938e91f422c03b2556de953f811a839df92

General

Target

441e5e59d01f656d8cb69cf40ee60938e91f422c03b2556de953f811a839df92.exe
Size

270KB
MD5

2dd4c7105c13ef07fba4aa155e081840
SHA1

e8d328c9e163490b0d22f781bc6fbaa481b97ad7
SHA256

441e5e59d01f656d8cb69cf40ee60938e91f422c03b2556de953f811a839df92
SHA512

53998bc7f2b227a63a559db41e2587d3e318667e1c9abeed937a10e0661bdfba1d34e70ca543ef45aa8d7311f56047cf483f61b0ed7221bca5245b578090f833
SSDEEP

3072:Es2Fhz52XsaRmJ+w+JkAu/heWp0gaWOsGI7b8nrvD3UD7hLSe8140QYtJqUAsZ/3:WccymjqBW65YGIsnrAX14tOMF

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
4496	4560	WerFault.exe	441e5e59d01f656d8cb69cf40ee60938e91f422c03b2556de953f811a839df92.exe
464	4560	WerFault.exe	441e5e59d01f656d8cb69cf40ee60938e91f422c03b2556de953f811a839df92.exe
4844	4560	WerFault.exe	441e5e59d01f656d8cb69cf40ee60938e91f422c03b2556de953f811a839df92.exe
2312	4560	WerFault.exe	441e5e59d01f656d8cb69cf40ee60938e91f422c03b2556de953f811a839df92.exe
4868	4560	WerFault.exe	441e5e59d01f656d8cb69cf40ee60938e91f422c03b2556de953f811a839df92.exe
1452	4560	WerFault.exe	441e5e59d01f656d8cb69cf40ee60938e91f422c03b2556de953f811a839df92.exe
3616	4560	WerFault.exe	441e5e59d01f656d8cb69cf40ee60938e91f422c03b2556de953f811a839df92.exe
3876	4560	WerFault.exe	441e5e59d01f656d8cb69cf40ee60938e91f422c03b2556de953f811a839df92.exe
2856	4560	WerFault.exe	441e5e59d01f656d8cb69cf40ee60938e91f422c03b2556de953f811a839df92.exe
1940	4560	WerFault.exe	441e5e59d01f656d8cb69cf40ee60938e91f422c03b2556de953f811a839df92.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

2152 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 2152 taskkill.exe

pid	process
2152	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	2152	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

441e5e59d01f656d8cb69cf40ee60938e91f422c03b2556de953f811a839df92.execmd.exe

description	pid	process	target process
PID 4560 wrote to memory of 1644	4560	441e5e59d01f656d8cb69cf40ee60938e91f422c03b2556de953f811a839df92.exe	cmd.exe
PID 4560 wrote to memory of 1644	4560	441e5e59d01f656d8cb69cf40ee60938e91f422c03b2556de953f811a839df92.exe	cmd.exe
PID 4560 wrote to memory of 1644	4560	441e5e59d01f656d8cb69cf40ee60938e91f422c03b2556de953f811a839df92.exe	cmd.exe
PID 1644 wrote to memory of 2152	1644	cmd.exe	taskkill.exe
PID 1644 wrote to memory of 2152	1644	cmd.exe	taskkill.exe
PID 1644 wrote to memory of 2152	1644	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\441e5e59d01f656d8cb69cf40ee60938e91f422c03b2556de953f811a839df92.exe
"C:\Users\Admin\AppData\Local\Temp\441e5e59d01f656d8cb69cf40ee60938e91f422c03b2556de953f811a839df92.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4560

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4560 -s 484
2⤵
- Program crash
PID:4496

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4560 -s 500
2⤵
- Program crash
PID:464

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4560 -s 780
2⤵
- Program crash
PID:4844

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4560 -s 816
2⤵
- Program crash
PID:2312

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4560 -s 808
2⤵
- Program crash
PID:4868

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4560 -s 872
2⤵
- Program crash
PID:1452

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4560 -s 960
2⤵
- Program crash
PID:3616

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4560 -s 1068
2⤵
- Program crash
PID:3876

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4560 -s 1436
2⤵
- Program crash
PID:2856

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "441e5e59d01f656d8cb69cf40ee60938e91f422c03b2556de953f811a839df92.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\441e5e59d01f656d8cb69cf40ee60938e91f422c03b2556de953f811a839df92.exe" & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:1644

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "441e5e59d01f656d8cb69cf40ee60938e91f422c03b2556de953f811a839df92.exe" /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2152

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4560 -s 1476
2⤵
- Program crash
PID:1940

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4560 -ip 4560
1⤵
PID:2924

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4560 -ip 4560
1⤵
PID:4164

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 4560 -ip 4560
1⤵
PID:1328

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 4560 -ip 4560
1⤵
PID:3624

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4560 -ip 4560
1⤵
PID:5052

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 4560 -ip 4560
1⤵
PID:4412

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4560 -ip 4560
1⤵
PID:1868

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 4560 -ip 4560
1⤵
PID:3596

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 4560 -ip 4560
1⤵
PID:2124

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 4560 -ip 4560
1⤵
PID:2328

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/4560-1-0x0000000002E70000-0x0000000002F70000-memory.dmp

Filesize
1024KB

Download
memory/4560-3-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/4560-2-0x00000000049B0000-0x00000000049EC000-memory.dmp

Filesize
240KB

Download
memory/4560-7-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/4560-6-0x0000000000400000-0x0000000002CA2000-memory.dmp

Filesize
40.6MB

Download

Analysis

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