gcleaner | 560c018107dca5f6a0978f77a9ba31508c99a64ff33401fa96275e4e8c5cdb78

General

Target

560c018107dca5f6a0978f77a9ba31508c99a64ff33401fa96275e4e8c5cdb78.exe
Size

330KB
MD5

dfa6c3aae8074b14b37241fdb6b80e53
SHA1

47c15f6cf9d712d499ccc7ac2ce60e3574a7db88
SHA256

560c018107dca5f6a0978f77a9ba31508c99a64ff33401fa96275e4e8c5cdb78
SHA512

ca9865a68484b0be4255d300b81c3f0c3916341ca142c97891a30acd912de7e4292de68469ec175d48a64076184584c550385f48d5880e5445b0fb587f5dd1b2
SSDEEP

6144:1+L3Tm7juPtL3J/oZ+mjL/ZTdN9yn7QUgeP:1+W7qPtL+Z+MhnS7Z

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 9 IoCs

Processes:

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

pid	pid_target	process	target process
460	1788	WerFault.exe	560c018107dca5f6a0978f77a9ba31508c99a64ff33401fa96275e4e8c5cdb78.exe
3068	1788	WerFault.exe	560c018107dca5f6a0978f77a9ba31508c99a64ff33401fa96275e4e8c5cdb78.exe
1356	1788	WerFault.exe	560c018107dca5f6a0978f77a9ba31508c99a64ff33401fa96275e4e8c5cdb78.exe
4924	1788	WerFault.exe	560c018107dca5f6a0978f77a9ba31508c99a64ff33401fa96275e4e8c5cdb78.exe
2508	1788	WerFault.exe	560c018107dca5f6a0978f77a9ba31508c99a64ff33401fa96275e4e8c5cdb78.exe
3500	1788	WerFault.exe	560c018107dca5f6a0978f77a9ba31508c99a64ff33401fa96275e4e8c5cdb78.exe
1352	1788	WerFault.exe	560c018107dca5f6a0978f77a9ba31508c99a64ff33401fa96275e4e8c5cdb78.exe
3956	1788	WerFault.exe	560c018107dca5f6a0978f77a9ba31508c99a64ff33401fa96275e4e8c5cdb78.exe
2644	1788	WerFault.exe	560c018107dca5f6a0978f77a9ba31508c99a64ff33401fa96275e4e8c5cdb78.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

3608 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 3608 taskkill.exe

pid	process
3608	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	3608	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

560c018107dca5f6a0978f77a9ba31508c99a64ff33401fa96275e4e8c5cdb78.execmd.exe

description	pid	process	target process
PID 1788 wrote to memory of 4192	1788	560c018107dca5f6a0978f77a9ba31508c99a64ff33401fa96275e4e8c5cdb78.exe	cmd.exe
PID 1788 wrote to memory of 4192	1788	560c018107dca5f6a0978f77a9ba31508c99a64ff33401fa96275e4e8c5cdb78.exe	cmd.exe
PID 1788 wrote to memory of 4192	1788	560c018107dca5f6a0978f77a9ba31508c99a64ff33401fa96275e4e8c5cdb78.exe	cmd.exe
PID 4192 wrote to memory of 3608	4192	cmd.exe	taskkill.exe
PID 4192 wrote to memory of 3608	4192	cmd.exe	taskkill.exe
PID 4192 wrote to memory of 3608	4192	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\560c018107dca5f6a0978f77a9ba31508c99a64ff33401fa96275e4e8c5cdb78.exe
"C:\Users\Admin\AppData\Local\Temp\560c018107dca5f6a0978f77a9ba31508c99a64ff33401fa96275e4e8c5cdb78.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1788

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1788 -s 476
2⤵
- Program crash
PID:460

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1788 -s 796
2⤵
- Program crash
PID:3068

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1788 -s 836
2⤵
- Program crash
PID:1356

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1788 -s 876
2⤵
- Program crash
PID:4924

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1788 -s 868
2⤵
- Program crash
PID:2508

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1788 -s 1000
2⤵
- Program crash
PID:3500

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1788 -s 1084
2⤵
- Program crash
PID:1352

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1788 -s 1656
2⤵
- Program crash
PID:3956

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "560c018107dca5f6a0978f77a9ba31508c99a64ff33401fa96275e4e8c5cdb78.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\560c018107dca5f6a0978f77a9ba31508c99a64ff33401fa96275e4e8c5cdb78.exe" & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:4192

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "560c018107dca5f6a0978f77a9ba31508c99a64ff33401fa96275e4e8c5cdb78.exe" /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3608

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1788 -s 1760
2⤵
- Program crash
PID:2644

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1788 -ip 1788
1⤵
PID:2800

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 1788 -ip 1788
1⤵
PID:1104

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 1788 -ip 1788
1⤵
PID:1812

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1788 -ip 1788
1⤵
PID:3812

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 1788 -ip 1788
1⤵
PID:1840

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 1788 -ip 1788
1⤵
PID:4796

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 1788 -ip 1788
1⤵
PID:1212

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 1788 -ip 1788
1⤵
PID:4572

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 1788 -ip 1788
1⤵
PID:1208

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

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\Q0WXOB7C\advdlc[1].htm

Filesize
1B

MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

Download Submit
memory/1788-3-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1788-2-0x0000000002320000-0x000000000235C000-memory.dmp

Filesize
240KB

Download
memory/1788-1-0x00000000021E0000-0x00000000022E0000-memory.dmp

Filesize
1024KB

Download
memory/1788-8-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/1788-15-0x0000000000400000-0x0000000001F9E000-memory.dmp

Filesize
27.6MB

Download
memory/1788-19-0x00000000021E0000-0x00000000022E0000-memory.dmp

Filesize
1024KB

Download
memory/1788-24-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1788-34-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1788-33-0x0000000000400000-0x0000000001F9E000-memory.dmp

Filesize
27.6MB

Download

Analysis

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