gcleaner | 322e56f00529a1b5880993250125c5b7c34ffcc3ef18eb956dc64457027146d6

General

Target

322e56f00529a1b5880993250125c5b7c34ffcc3ef18eb956dc64457027146d6.exe
Size

303KB
MD5

3f11d3379a60ebdca5442ee34e451d68
SHA1

e17d28437daa14a84f608abb94e3aba1aaaaa258
SHA256

322e56f00529a1b5880993250125c5b7c34ffcc3ef18eb956dc64457027146d6
SHA512

c4b8b5e1174a4ff461d1b745568b512a70a4e2db00c55aa27b66a69a557b8880f0da23992fc17b9b29ca8155ebfe35c04050a13a7588fa0c05e407874e67ed43
SSDEEP

6144:YyfLzx2phAtgT3ZWRwiPvSjPu+zsj80hx:dnx2phAaT3ZWRwsx+4j8

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
32	512	WerFault.exe	322e56f00529a1b5880993250125c5b7c34ffcc3ef18eb956dc64457027146d6.exe
4732	512	WerFault.exe	322e56f00529a1b5880993250125c5b7c34ffcc3ef18eb956dc64457027146d6.exe
1348	512	WerFault.exe	322e56f00529a1b5880993250125c5b7c34ffcc3ef18eb956dc64457027146d6.exe
3516	512	WerFault.exe	322e56f00529a1b5880993250125c5b7c34ffcc3ef18eb956dc64457027146d6.exe
2228	512	WerFault.exe	322e56f00529a1b5880993250125c5b7c34ffcc3ef18eb956dc64457027146d6.exe
2316	512	WerFault.exe	322e56f00529a1b5880993250125c5b7c34ffcc3ef18eb956dc64457027146d6.exe
3984	512	WerFault.exe	322e56f00529a1b5880993250125c5b7c34ffcc3ef18eb956dc64457027146d6.exe
3300	512	WerFault.exe	322e56f00529a1b5880993250125c5b7c34ffcc3ef18eb956dc64457027146d6.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

4612 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 4612 taskkill.exe

pid	process
4612	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	4612	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

322e56f00529a1b5880993250125c5b7c34ffcc3ef18eb956dc64457027146d6.execmd.exe

description	pid	process	target process
PID 512 wrote to memory of 3220	512	322e56f00529a1b5880993250125c5b7c34ffcc3ef18eb956dc64457027146d6.exe	cmd.exe
PID 512 wrote to memory of 3220	512	322e56f00529a1b5880993250125c5b7c34ffcc3ef18eb956dc64457027146d6.exe	cmd.exe
PID 512 wrote to memory of 3220	512	322e56f00529a1b5880993250125c5b7c34ffcc3ef18eb956dc64457027146d6.exe	cmd.exe
PID 3220 wrote to memory of 4612	3220	cmd.exe	taskkill.exe
PID 3220 wrote to memory of 4612	3220	cmd.exe	taskkill.exe
PID 3220 wrote to memory of 4612	3220	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\322e56f00529a1b5880993250125c5b7c34ffcc3ef18eb956dc64457027146d6.exe
"C:\Users\Admin\AppData\Local\Temp\322e56f00529a1b5880993250125c5b7c34ffcc3ef18eb956dc64457027146d6.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:512

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 512 -s 764
2⤵
- Program crash
PID:32

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 512 -s 772
2⤵
- Program crash
PID:4732

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 512 -s 840
2⤵
- Program crash
PID:1348

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 512 -s 944
2⤵
- Program crash
PID:3516

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 512 -s 968
2⤵
- Program crash
PID:2228

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 512 -s 1112
2⤵
- Program crash
PID:2316

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 512 -s 1152
2⤵
- Program crash
PID:3984

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 512 -s 1268
2⤵
- Program crash
PID:3300

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "322e56f00529a1b5880993250125c5b7c34ffcc3ef18eb956dc64457027146d6.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\322e56f00529a1b5880993250125c5b7c34ffcc3ef18eb956dc64457027146d6.exe" & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:3220

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "322e56f00529a1b5880993250125c5b7c34ffcc3ef18eb956dc64457027146d6.exe" /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4612

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\OHP8MVFQ\advdlc[1].htm
Filesize
1B

MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

Download Submit
memory/512-1-0x0000000001CB0000-0x0000000001DB0000-memory.dmp

Filesize
1024KB

Download
memory/512-3-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/512-2-0x00000000037D0000-0x00000000037FD000-memory.dmp

Filesize
180KB

Download
memory/512-5-0x0000000000400000-0x0000000001BC7000-memory.dmp

Filesize
23.8MB

Download
memory/512-6-0x0000000001CB0000-0x0000000001DB0000-memory.dmp

Filesize
1024KB

Download
memory/512-8-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/512-25-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/512-24-0x0000000000400000-0x0000000001BC7000-memory.dmp

Filesize
23.8MB

Download

Analysis

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