gcleaner | da85eacebca676e949368088dd9518a50abece040f49dbe51f38ea9c47bb2c26

General

Target

da85eacebca676e949368088dd9518a50abece040f49dbe51f38ea9c47bb2c26.exe
Size

345KB
MD5

44f51057f81a176e9f8c17797190a480
SHA1

10e658e1cf6809be37086f97a1f55f47863705ec
SHA256

da85eacebca676e949368088dd9518a50abece040f49dbe51f38ea9c47bb2c26
SHA512

8adc6e6ab14b3804b04fa746dd4765f1246b29a15c502631b0eaee493e5ae4b69044157e98c2d51f6d5a145315a48de355273d81184351bc86c83b8f14d86dd8
SSDEEP

6144:YeN7gDxYwV/bJKo76+l+2oeU4L+jsLwqWwIKDH7iY3ZCizw7LDl5M:YeguwVjp4eGYLwq2KDH7JUV5M

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
Downloads MZ/PE file
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 11 IoCs

Processes:

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

pid	pid_target	process	target process
2068	1092	WerFault.exe	da85eacebca676e949368088dd9518a50abece040f49dbe51f38ea9c47bb2c26.exe
4484	1092	WerFault.exe	da85eacebca676e949368088dd9518a50abece040f49dbe51f38ea9c47bb2c26.exe
1780	1092	WerFault.exe	da85eacebca676e949368088dd9518a50abece040f49dbe51f38ea9c47bb2c26.exe
3552	1092	WerFault.exe	da85eacebca676e949368088dd9518a50abece040f49dbe51f38ea9c47bb2c26.exe
708	1092	WerFault.exe	da85eacebca676e949368088dd9518a50abece040f49dbe51f38ea9c47bb2c26.exe
1772	1092	WerFault.exe	da85eacebca676e949368088dd9518a50abece040f49dbe51f38ea9c47bb2c26.exe
4332	1092	WerFault.exe	da85eacebca676e949368088dd9518a50abece040f49dbe51f38ea9c47bb2c26.exe
4932	1092	WerFault.exe	da85eacebca676e949368088dd9518a50abece040f49dbe51f38ea9c47bb2c26.exe
3792	1092	WerFault.exe	da85eacebca676e949368088dd9518a50abece040f49dbe51f38ea9c47bb2c26.exe
2572	1092	WerFault.exe	da85eacebca676e949368088dd9518a50abece040f49dbe51f38ea9c47bb2c26.exe
924	1092	WerFault.exe	da85eacebca676e949368088dd9518a50abece040f49dbe51f38ea9c47bb2c26.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

4636 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 4636 taskkill.exe

pid	process
4636	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	4636	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

da85eacebca676e949368088dd9518a50abece040f49dbe51f38ea9c47bb2c26.execmd.exe

description	pid	process	target process
PID 1092 wrote to memory of 384	1092	da85eacebca676e949368088dd9518a50abece040f49dbe51f38ea9c47bb2c26.exe	cmd.exe
PID 1092 wrote to memory of 384	1092	da85eacebca676e949368088dd9518a50abece040f49dbe51f38ea9c47bb2c26.exe	cmd.exe
PID 1092 wrote to memory of 384	1092	da85eacebca676e949368088dd9518a50abece040f49dbe51f38ea9c47bb2c26.exe	cmd.exe
PID 384 wrote to memory of 4636	384	cmd.exe	taskkill.exe
PID 384 wrote to memory of 4636	384	cmd.exe	taskkill.exe
PID 384 wrote to memory of 4636	384	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\da85eacebca676e949368088dd9518a50abece040f49dbe51f38ea9c47bb2c26.exe
"C:\Users\Admin\AppData\Local\Temp\da85eacebca676e949368088dd9518a50abece040f49dbe51f38ea9c47bb2c26.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1092

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1092 -s 476
2⤵
- Program crash
PID:2068

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1092 -s 500
2⤵
- Program crash
PID:4484

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1092 -s 780
2⤵
- Program crash
PID:1780

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1092 -s 820
2⤵
- Program crash
PID:3552

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1092 -s 820
2⤵
- Program crash
PID:708

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1092 -s 872
2⤵
- Program crash
PID:1772

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1092 -s 964
2⤵
- Program crash
PID:4332

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1092 -s 968
2⤵
- Program crash
PID:4932

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1092 -s 1104
2⤵
- Program crash
PID:3792

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1092 -s 1656
2⤵
- Program crash
PID:2572

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "da85eacebca676e949368088dd9518a50abece040f49dbe51f38ea9c47bb2c26.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\da85eacebca676e949368088dd9518a50abece040f49dbe51f38ea9c47bb2c26.exe" & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:384

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "da85eacebca676e949368088dd9518a50abece040f49dbe51f38ea9c47bb2c26.exe" /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4636

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1092 -s 1604
2⤵
- Program crash
PID:924

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1092 -ip 1092
1⤵
PID:1800

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1092 -ip 1092
1⤵
PID:3556

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1092 -ip 1092
1⤵
PID:4328

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1092 -ip 1092
1⤵
PID:2684

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 1092 -ip 1092
1⤵
PID:1564

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 1092 -ip 1092
1⤵
PID:968

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 1092 -ip 1092
1⤵
PID:5084

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 1092 -ip 1092
1⤵
PID:3108

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1092 -ip 1092
1⤵
PID:3048

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 1092 -ip 1092
1⤵
PID:3028

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1092 -ip 1092
1⤵
PID:4704

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

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\H4P8YSYM\advdlc[1].htm
Filesize
1B

MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

Download Submit
memory/1092-1-0x0000000000400000-0x0000000002CB4000-memory.dmp

Filesize
40.7MB

Download
memory/1092-2-0x0000000000400000-0x0000000002CB4000-memory.dmp

Filesize
40.7MB

Download
memory/1092-7-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/1092-13-0x0000000000400000-0x0000000002CB4000-memory.dmp

Filesize
40.7MB

Download
memory/1092-23-0x0000000000400000-0x0000000002CB4000-memory.dmp

Filesize
40.7MB

Download
memory/1092-31-0x0000000000400000-0x0000000002CB4000-memory.dmp

Filesize
40.7MB

Download

Analysis

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