gcleaner | 4d697a701cf5a0ce927146f713f2134c3c7f3efafa72e6e1f713b85d58b2b4e9

General

Target

4d697a701cf5a0ce927146f713f2134c3c7f3efafa72e6e1f713b85d58b2b4e9.exe
Size

366KB
MD5

d96fa6ff345aab6cc0453bc617cc1647
SHA1

2bbfba3c51e0fc8b6895feef2ffed68a58981a07
SHA256

4d697a701cf5a0ce927146f713f2134c3c7f3efafa72e6e1f713b85d58b2b4e9
SHA512

1aa839b3657dffda1ecb6e3d5a282feafa6ea35e09d0f337e5fb2988f44f64068116d448dc6b61324f557d701e73a354161a9e56fc47f9b7970f3a28c91574cf
SSDEEP

6144:WULnFjbtsyv++0pgRoKXq0ONGfEXSvk6eT:bzJbtzviq0sfESv

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
2552	904	WerFault.exe	4d697a701cf5a0ce927146f713f2134c3c7f3efafa72e6e1f713b85d58b2b4e9.exe
2904	904	WerFault.exe	4d697a701cf5a0ce927146f713f2134c3c7f3efafa72e6e1f713b85d58b2b4e9.exe
4664	904	WerFault.exe	4d697a701cf5a0ce927146f713f2134c3c7f3efafa72e6e1f713b85d58b2b4e9.exe
5040	904	WerFault.exe	4d697a701cf5a0ce927146f713f2134c3c7f3efafa72e6e1f713b85d58b2b4e9.exe
4328	904	WerFault.exe	4d697a701cf5a0ce927146f713f2134c3c7f3efafa72e6e1f713b85d58b2b4e9.exe
5108	904	WerFault.exe	4d697a701cf5a0ce927146f713f2134c3c7f3efafa72e6e1f713b85d58b2b4e9.exe
2172	904	WerFault.exe	4d697a701cf5a0ce927146f713f2134c3c7f3efafa72e6e1f713b85d58b2b4e9.exe
3180	904	WerFault.exe	4d697a701cf5a0ce927146f713f2134c3c7f3efafa72e6e1f713b85d58b2b4e9.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

400 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 400 taskkill.exe

pid	process
400	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	400	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

4d697a701cf5a0ce927146f713f2134c3c7f3efafa72e6e1f713b85d58b2b4e9.execmd.exe

description	pid	process	target process
PID 904 wrote to memory of 3144	904	4d697a701cf5a0ce927146f713f2134c3c7f3efafa72e6e1f713b85d58b2b4e9.exe	cmd.exe
PID 904 wrote to memory of 3144	904	4d697a701cf5a0ce927146f713f2134c3c7f3efafa72e6e1f713b85d58b2b4e9.exe	cmd.exe
PID 904 wrote to memory of 3144	904	4d697a701cf5a0ce927146f713f2134c3c7f3efafa72e6e1f713b85d58b2b4e9.exe	cmd.exe
PID 3144 wrote to memory of 400	3144	cmd.exe	taskkill.exe
PID 3144 wrote to memory of 400	3144	cmd.exe	taskkill.exe
PID 3144 wrote to memory of 400	3144	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\4d697a701cf5a0ce927146f713f2134c3c7f3efafa72e6e1f713b85d58b2b4e9.exe
"C:\Users\Admin\AppData\Local\Temp\4d697a701cf5a0ce927146f713f2134c3c7f3efafa72e6e1f713b85d58b2b4e9.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:904

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 904 -s 764
2⤵
- Program crash
PID:2552

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 904 -s 776
2⤵
- Program crash
PID:2904

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 904 -s 844
2⤵
- Program crash
PID:4664

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 904 -s 820
2⤵
- Program crash
PID:5040

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 904 -s 988
2⤵
- Program crash
PID:4328

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 904 -s 1116
2⤵
- Program crash
PID:5108

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 904 -s 1128
2⤵
- Program crash
PID:2172

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 904 -s 1284
2⤵
- Program crash
PID:3180

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "4d697a701cf5a0ce927146f713f2134c3c7f3efafa72e6e1f713b85d58b2b4e9.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\4d697a701cf5a0ce927146f713f2134c3c7f3efafa72e6e1f713b85d58b2b4e9.exe" & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:3144

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "4d697a701cf5a0ce927146f713f2134c3c7f3efafa72e6e1f713b85d58b2b4e9.exe" /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:400

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\ZVQ9VIUB\advdlc[1].htm
Filesize
1B

MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

Download Submit
memory/904-1-0x0000000001F20000-0x0000000002020000-memory.dmp

Filesize
1024KB

Download
memory/904-2-0x00000000037C0000-0x00000000037ED000-memory.dmp

Filesize
180KB

Download
memory/904-3-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/904-4-0x0000000000400000-0x0000000001BD7000-memory.dmp

Filesize
23.8MB

Download
memory/904-7-0x00000000037C0000-0x00000000037ED000-memory.dmp

Filesize
180KB

Download
memory/904-6-0x0000000001F20000-0x0000000002020000-memory.dmp

Filesize
1024KB

Download
memory/904-11-0x0000000000400000-0x0000000001BD7000-memory.dmp

Filesize
23.8MB

Download
memory/904-29-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/904-28-0x0000000000400000-0x0000000001BD7000-memory.dmp

Filesize
23.8MB

Download

Analysis

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