gcleaner | 856a10a9714e94bb14c32d3fac1c189a0c46909b6967bef4a9e1380edbb46aa4

General

Target

856a10a9714e94bb14c32d3fac1c189a0c46909b6967bef4a9e1380edbb46aa4.exe
Size

303KB
MD5

74a80f5b3efe79cf9b69e6e8c9121c62
SHA1

66f83da23acb2c93887ba91b9f12fe8a2280bd36
SHA256

856a10a9714e94bb14c32d3fac1c189a0c46909b6967bef4a9e1380edbb46aa4
SHA512

63168a8e0ca961059948fb6369b082a011edf69cc82e3075a34cd680f3070dee7babadfe80a1a47d5e62cdfb97ff8b7c98ceab9a9532555ff0b56115d5ac1c0b
SSDEEP

3072:5GvuDL0di5jIOzWje282VIHTN2bDUzk1pAi5k/F2OkcncWf54x1U:5JDL0dEHzWjB82VIHUbHpDY2ukxm

Score

10^/10

gcleaner loader

Malware Config

Extracted

Family

gcleaner

C2

185.172.128.90

185.172.128.69

Attributes

url_path
/advdlc.php

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 8 IoCs

Processes:

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

pid	pid_target	process	target process
4380	1020	WerFault.exe	856a10a9714e94bb14c32d3fac1c189a0c46909b6967bef4a9e1380edbb46aa4.exe
832	1020	WerFault.exe	856a10a9714e94bb14c32d3fac1c189a0c46909b6967bef4a9e1380edbb46aa4.exe
4856	1020	WerFault.exe	856a10a9714e94bb14c32d3fac1c189a0c46909b6967bef4a9e1380edbb46aa4.exe
4940	1020	WerFault.exe	856a10a9714e94bb14c32d3fac1c189a0c46909b6967bef4a9e1380edbb46aa4.exe
592	1020	WerFault.exe	856a10a9714e94bb14c32d3fac1c189a0c46909b6967bef4a9e1380edbb46aa4.exe
2836	1020	WerFault.exe	856a10a9714e94bb14c32d3fac1c189a0c46909b6967bef4a9e1380edbb46aa4.exe
5028	1020	WerFault.exe	856a10a9714e94bb14c32d3fac1c189a0c46909b6967bef4a9e1380edbb46aa4.exe
2744	1020	WerFault.exe	856a10a9714e94bb14c32d3fac1c189a0c46909b6967bef4a9e1380edbb46aa4.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

828 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 828 taskkill.exe

pid	process
828	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	828	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

856a10a9714e94bb14c32d3fac1c189a0c46909b6967bef4a9e1380edbb46aa4.execmd.exe

description	pid	process	target process
PID 1020 wrote to memory of 3012	1020	856a10a9714e94bb14c32d3fac1c189a0c46909b6967bef4a9e1380edbb46aa4.exe	cmd.exe
PID 1020 wrote to memory of 3012	1020	856a10a9714e94bb14c32d3fac1c189a0c46909b6967bef4a9e1380edbb46aa4.exe	cmd.exe
PID 1020 wrote to memory of 3012	1020	856a10a9714e94bb14c32d3fac1c189a0c46909b6967bef4a9e1380edbb46aa4.exe	cmd.exe
PID 3012 wrote to memory of 828	3012	cmd.exe	taskkill.exe
PID 3012 wrote to memory of 828	3012	cmd.exe	taskkill.exe
PID 3012 wrote to memory of 828	3012	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\856a10a9714e94bb14c32d3fac1c189a0c46909b6967bef4a9e1380edbb46aa4.exe
"C:\Users\Admin\AppData\Local\Temp\856a10a9714e94bb14c32d3fac1c189a0c46909b6967bef4a9e1380edbb46aa4.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1020

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1020 -s 764
2⤵
- Program crash
PID:4380

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1020 -s 776
2⤵
- Program crash
PID:832

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1020 -s 844
2⤵
- Program crash
PID:4856

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1020 -s 948
2⤵
- Program crash
PID:4940

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1020 -s 972
2⤵
- Program crash
PID:592

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1020 -s 1096
2⤵
- Program crash
PID:2836

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1020 -s 1128
2⤵
- Program crash
PID:5028

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1020 -s 1284
2⤵
- Program crash
PID:2744

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "856a10a9714e94bb14c32d3fac1c189a0c46909b6967bef4a9e1380edbb46aa4.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\856a10a9714e94bb14c32d3fac1c189a0c46909b6967bef4a9e1380edbb46aa4.exe" & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:3012

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "856a10a9714e94bb14c32d3fac1c189a0c46909b6967bef4a9e1380edbb46aa4.exe" /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:828

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\VSH5XF98\advdlc[1].htm
Filesize
1B

MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

Download Submit
memory/1020-2-0x00000000037B0000-0x00000000037DD000-memory.dmp

Filesize
180KB

Download
memory/1020-1-0x0000000001CA0000-0x0000000001DA0000-memory.dmp

Filesize
1024KB

Download
memory/1020-3-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1020-8-0x0000000000400000-0x0000000001BC7000-memory.dmp

Filesize
23.8MB

Download
memory/1020-15-0x00000000037B0000-0x00000000037DD000-memory.dmp

Filesize
180KB

Download
memory/1020-14-0x0000000001CA0000-0x0000000001DA0000-memory.dmp

Filesize
1024KB

Download
memory/1020-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1020-23-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1020-22-0x0000000000400000-0x0000000001BC7000-memory.dmp

Filesize
23.8MB

Download

Analysis

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