gcleaner | 49d95fac7f3b43346606b9baf069d690b6b70458538646ffc70179ff19dfb3c7

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
29-05-2024 07:08

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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

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
Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1668 cmd.exe
Loads dropped DLL 1 IoCs

Processes:

49d95fac7f3b43346606b9baf069d690b6b70458538646ffc70179ff19dfb3c7.exe

pid process

2988 49d95fac7f3b43346606b9baf069d690b6b70458538646ffc70179ff19dfb3c7.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

2564 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 2564 taskkill.exe

pid	process
1668	cmd.exe

pid	process
2988	49d95fac7f3b43346606b9baf069d690b6b70458538646ffc70179ff19dfb3c7.exe

pid	process
2564	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	2564	taskkill.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

49d95fac7f3b43346606b9baf069d690b6b70458538646ffc70179ff19dfb3c7.execmd.exe

description	pid	process	target process
PID 2988 wrote to memory of 1668	2988	49d95fac7f3b43346606b9baf069d690b6b70458538646ffc70179ff19dfb3c7.exe	cmd.exe
PID 2988 wrote to memory of 1668	2988	49d95fac7f3b43346606b9baf069d690b6b70458538646ffc70179ff19dfb3c7.exe	cmd.exe
PID 2988 wrote to memory of 1668	2988	49d95fac7f3b43346606b9baf069d690b6b70458538646ffc70179ff19dfb3c7.exe	cmd.exe
PID 2988 wrote to memory of 1668	2988	49d95fac7f3b43346606b9baf069d690b6b70458538646ffc70179ff19dfb3c7.exe	cmd.exe
PID 1668 wrote to memory of 2564	1668	cmd.exe	taskkill.exe
PID 1668 wrote to memory of 2564	1668	cmd.exe	taskkill.exe
PID 1668 wrote to memory of 2564	1668	cmd.exe	taskkill.exe
PID 1668 wrote to memory of 2564	1668	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\49d95fac7f3b43346606b9baf069d690b6b70458538646ffc70179ff19dfb3c7.exe
"C:\Users\Admin\AppData\Local\Temp\49d95fac7f3b43346606b9baf069d690b6b70458538646ffc70179ff19dfb3c7.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2988

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⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:1668

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "49d95fac7f3b43346606b9baf069d690b6b70458538646ffc70179ff19dfb3c7.exe" /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2564

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

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\Temporary Internet Files\Content.IE5\H09CVCL3\advdlc[1].htm
Filesize
1B

MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

Download Submit
\Users\Admin\AppData\Local\Temp\zMvJMNEdGBO\Y-Cleaner.exe
Filesize
1.2MB

MD5
0151e006443174af2f2ea167eb3317fe

SHA1
4867584b2bb6a5d5b9082a5a1b5d2d571eed7ce2

SHA256
af722c86835a47bbb5913361b0cedd00288aa23edd04709460902e4cc04be497

SHA512
f8ab571eece442e2c50574420165cb5beeeced3d8561b645c7f771fd28d499fb77bede7c49be1777ee6edf57f86efb6f43614415aa69837cfc1620cca9211d7b

Download Submit
memory/2988-1-0x0000000000400000-0x0000000001F9E000-memory.dmp

Filesize
27.6MB

Download
memory/2988-2-0x0000000000400000-0x0000000001F9E000-memory.dmp

Filesize
27.6MB

Download
memory/2988-7-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/2988-14-0x0000000000400000-0x0000000001F9E000-memory.dmp

Filesize
27.6MB

Download
memory/2988-31-0x0000000000400000-0x0000000001F9E000-memory.dmp

Filesize
27.6MB

Download