gcleaner | 49d95fac7f3b43346606b9baf069d690b6b70458538646ffc70179ff19dfb3c7

General

Target

49d95fac7f3b43346606b9baf069d690b6b70458538646ffc70179ff19dfb3c7.exe
Size

329KB
MD5

9ff15ec14128636b184e8e6acb5d28d6
SHA1

e0361d1db998c9def637119a3f8c6b5c02f36512
SHA256

49d95fac7f3b43346606b9baf069d690b6b70458538646ffc70179ff19dfb3c7
SHA512

ff890c0a0fa4a13414c5dd6ec7c71cfde63385cf79759af824aeb779e22ecb039d7727599f5b7373695496acd9967302f8579fa18a7017d94d39cfd47783fb52
SSDEEP

6144:ZOMYg52+e781ZJ5W3L8jxcKHoBOK8hbzhHy+CA/dLd:ZOMe7Q5W3AHoBSFhS+

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 10 IoCs

Processes:

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

pid	pid_target	process	target process
3224	3412	WerFault.exe	49d95fac7f3b43346606b9baf069d690b6b70458538646ffc70179ff19dfb3c7.exe
236	3412	WerFault.exe	49d95fac7f3b43346606b9baf069d690b6b70458538646ffc70179ff19dfb3c7.exe
1932	3412	WerFault.exe	49d95fac7f3b43346606b9baf069d690b6b70458538646ffc70179ff19dfb3c7.exe
3708	3412	WerFault.exe	49d95fac7f3b43346606b9baf069d690b6b70458538646ffc70179ff19dfb3c7.exe
1108	3412	WerFault.exe	49d95fac7f3b43346606b9baf069d690b6b70458538646ffc70179ff19dfb3c7.exe
4828	3412	WerFault.exe	49d95fac7f3b43346606b9baf069d690b6b70458538646ffc70179ff19dfb3c7.exe
5056	3412	WerFault.exe	49d95fac7f3b43346606b9baf069d690b6b70458538646ffc70179ff19dfb3c7.exe
1260	3412	WerFault.exe	49d95fac7f3b43346606b9baf069d690b6b70458538646ffc70179ff19dfb3c7.exe
5020	3412	WerFault.exe	49d95fac7f3b43346606b9baf069d690b6b70458538646ffc70179ff19dfb3c7.exe
4780	3412	WerFault.exe	49d95fac7f3b43346606b9baf069d690b6b70458538646ffc70179ff19dfb3c7.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

5108 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 5108 taskkill.exe

pid	process
5108	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	5108	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

49d95fac7f3b43346606b9baf069d690b6b70458538646ffc70179ff19dfb3c7.execmd.exe

description	pid	process	target process
PID 3412 wrote to memory of 4552	3412	49d95fac7f3b43346606b9baf069d690b6b70458538646ffc70179ff19dfb3c7.exe	cmd.exe
PID 3412 wrote to memory of 4552	3412	49d95fac7f3b43346606b9baf069d690b6b70458538646ffc70179ff19dfb3c7.exe	cmd.exe
PID 3412 wrote to memory of 4552	3412	49d95fac7f3b43346606b9baf069d690b6b70458538646ffc70179ff19dfb3c7.exe	cmd.exe
PID 4552 wrote to memory of 5108	4552	cmd.exe	taskkill.exe
PID 4552 wrote to memory of 5108	4552	cmd.exe	taskkill.exe
PID 4552 wrote to memory of 5108	4552	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\49d95fac7f3b43346606b9baf069d690b6b70458538646ffc70179ff19dfb3c7.exe
"C:\Users\Admin\AppData\Local\Temp\49d95fac7f3b43346606b9baf069d690b6b70458538646ffc70179ff19dfb3c7.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3412

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3412 -s 476
2⤵
- Program crash
PID:3224

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3412 -s 796
2⤵
- Program crash
PID:236

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3412 -s 816
2⤵
- Program crash
PID:1932

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3412 -s 848
2⤵
- Program crash
PID:3708

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3412 -s 896
2⤵
- Program crash
PID:1108

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3412 -s 1000
2⤵
- Program crash
PID:4828

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3412 -s 1084
2⤵
- Program crash
PID:5056

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3412 -s 1304
2⤵
- Program crash
PID:1260

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3412 -s 1672
2⤵
- Program crash
PID:5020

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "49d95fac7f3b43346606b9baf069d690b6b70458538646ffc70179ff19dfb3c7.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\49d95fac7f3b43346606b9baf069d690b6b70458538646ffc70179ff19dfb3c7.exe" & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:4552

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "49d95fac7f3b43346606b9baf069d690b6b70458538646ffc70179ff19dfb3c7.exe" /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:5108

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3412 -s 1696
2⤵
- Program crash
PID:4780

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3412 -ip 3412
1⤵
PID:3576

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 3412 -ip 3412
1⤵
PID:2864

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 3412 -ip 3412
1⤵
PID:3824

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3412 -ip 3412
1⤵
PID:396

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 3412 -ip 3412
1⤵
PID:3208

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3412 -ip 3412
1⤵
PID:4888

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 3412 -ip 3412
1⤵
PID:4884

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 3412 -ip 3412
1⤵
PID:4876

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 3412 -ip 3412
1⤵
PID:2596

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 3412 -ip 3412
1⤵
PID:1300

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\VZQAW3IB\advdlc[1].htm

Filesize
1B

MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

Download Submit
memory/3412-1-0x00000000022E0000-0x00000000023E0000-memory.dmp

Filesize
1024KB

Download
memory/3412-3-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/3412-2-0x0000000003CC0000-0x0000000003CFC000-memory.dmp

Filesize
240KB

Download
memory/3412-8-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/3412-15-0x0000000000400000-0x0000000001F9E000-memory.dmp

Filesize
27.6MB

Download
memory/3412-19-0x00000000022E0000-0x00000000023E0000-memory.dmp

Filesize
1024KB

Download
memory/3412-23-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/3412-34-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/3412-33-0x0000000000400000-0x0000000001F9E000-memory.dmp

Filesize
27.6MB

Download

Analysis

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