gcleaner | 0b17198dfde8bc47f1f903dfe0a33b57abf6cbca31292ee1d526a3143a11d648

Analysis

max time kernel
90s
max time network
101s
platform
windows11-21h2_x64
resource
win11-20240611-en
resource tags

arch:x64arch:x86image:win11-20240611-enlocale:en-usos:windows11-21h2-x64system
submitted
25-06-2024 15:53

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General

Target

0b17198dfde8bc47f1f903dfe0a33b57abf6cbca31292ee1d526a3143a11d648.exe
Size

397KB
MD5

7986bc5e5410b8debdedf4847261d842
SHA1

5cb3adce304acb78d9a5420cb7aee171ce8421fe
SHA256

0b17198dfde8bc47f1f903dfe0a33b57abf6cbca31292ee1d526a3143a11d648
SHA512

f6f4f319a12a30905cdbb68b910e8f392fa065890b444117a0926c091c2435c50fbebef19ee96b8526c1471499e337cba7b4f5aea7f385c4a9aec30646851b2e
SSDEEP

3072:K86LZVAUYiutx+UgvrFnSk6YtEOVnWXlcM67FT7fvcb65m5t4LtIVmvP21Ek1E5W:KnLZVAUi85IOJWIBr6f8IVKPAN3

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

0b17198dfde8bc47f1f903dfe0a33b57abf6cbca31292ee1d526a3143a11d648.exe

description	pid	process	target process
PID 920 set thread context of 3536	920	0b17198dfde8bc47f1f903dfe0a33b57abf6cbca31292ee1d526a3143a11d648.exe	0b17198dfde8bc47f1f903dfe0a33b57abf6cbca31292ee1d526a3143a11d648.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

1640 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 1640 taskkill.exe

pid	process
1640	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	1640	taskkill.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

0b17198dfde8bc47f1f903dfe0a33b57abf6cbca31292ee1d526a3143a11d648.exe0b17198dfde8bc47f1f903dfe0a33b57abf6cbca31292ee1d526a3143a11d648.execmd.exe

C:\Users\Admin\AppData\Local\Temp\0b17198dfde8bc47f1f903dfe0a33b57abf6cbca31292ee1d526a3143a11d648.exe
"C:\Users\Admin\AppData\Local\Temp\0b17198dfde8bc47f1f903dfe0a33b57abf6cbca31292ee1d526a3143a11d648.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:920

C:\Users\Admin\AppData\Local\Temp\0b17198dfde8bc47f1f903dfe0a33b57abf6cbca31292ee1d526a3143a11d648.exe
"C:\Users\Admin\AppData\Local\Temp\0b17198dfde8bc47f1f903dfe0a33b57abf6cbca31292ee1d526a3143a11d648.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3536

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "0b17198dfde8bc47f1f903dfe0a33b57abf6cbca31292ee1d526a3143a11d648.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\0b17198dfde8bc47f1f903dfe0a33b57abf6cbca31292ee1d526a3143a11d648.exe" & exit
3⤵
- Suspicious use of WriteProcessMemory
PID:2352

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "0b17198dfde8bc47f1f903dfe0a33b57abf6cbca31292ee1d526a3143a11d648.exe" /f
4⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1640

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\INetCache\IE\NDYWT7Z5\advdlc[1].htm
Filesize
1B

MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

Download Submit
memory/920-1-0x0000000002A80000-0x0000000002B80000-memory.dmp

Filesize
1024KB

Download
memory/920-2-0x0000000004460000-0x000000000449C000-memory.dmp

Filesize
240KB

Download
memory/3536-3-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/3536-5-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/3536-4-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/3536-7-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/3536-12-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/3536-19-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/3536-35-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download

description	pid	process	target process
PID 920 wrote to memory of 3536	920	0b17198dfde8bc47f1f903dfe0a33b57abf6cbca31292ee1d526a3143a11d648.exe	0b17198dfde8bc47f1f903dfe0a33b57abf6cbca31292ee1d526a3143a11d648.exe
PID 920 wrote to memory of 3536	920	0b17198dfde8bc47f1f903dfe0a33b57abf6cbca31292ee1d526a3143a11d648.exe	0b17198dfde8bc47f1f903dfe0a33b57abf6cbca31292ee1d526a3143a11d648.exe
PID 920 wrote to memory of 3536	920	0b17198dfde8bc47f1f903dfe0a33b57abf6cbca31292ee1d526a3143a11d648.exe	0b17198dfde8bc47f1f903dfe0a33b57abf6cbca31292ee1d526a3143a11d648.exe
PID 920 wrote to memory of 3536	920	0b17198dfde8bc47f1f903dfe0a33b57abf6cbca31292ee1d526a3143a11d648.exe	0b17198dfde8bc47f1f903dfe0a33b57abf6cbca31292ee1d526a3143a11d648.exe
PID 920 wrote to memory of 3536	920	0b17198dfde8bc47f1f903dfe0a33b57abf6cbca31292ee1d526a3143a11d648.exe	0b17198dfde8bc47f1f903dfe0a33b57abf6cbca31292ee1d526a3143a11d648.exe
PID 920 wrote to memory of 3536	920	0b17198dfde8bc47f1f903dfe0a33b57abf6cbca31292ee1d526a3143a11d648.exe	0b17198dfde8bc47f1f903dfe0a33b57abf6cbca31292ee1d526a3143a11d648.exe
PID 920 wrote to memory of 3536	920	0b17198dfde8bc47f1f903dfe0a33b57abf6cbca31292ee1d526a3143a11d648.exe	0b17198dfde8bc47f1f903dfe0a33b57abf6cbca31292ee1d526a3143a11d648.exe
PID 920 wrote to memory of 3536	920	0b17198dfde8bc47f1f903dfe0a33b57abf6cbca31292ee1d526a3143a11d648.exe	0b17198dfde8bc47f1f903dfe0a33b57abf6cbca31292ee1d526a3143a11d648.exe
PID 920 wrote to memory of 3536	920	0b17198dfde8bc47f1f903dfe0a33b57abf6cbca31292ee1d526a3143a11d648.exe	0b17198dfde8bc47f1f903dfe0a33b57abf6cbca31292ee1d526a3143a11d648.exe
PID 920 wrote to memory of 3536	920	0b17198dfde8bc47f1f903dfe0a33b57abf6cbca31292ee1d526a3143a11d648.exe	0b17198dfde8bc47f1f903dfe0a33b57abf6cbca31292ee1d526a3143a11d648.exe
PID 3536 wrote to memory of 2352	3536	0b17198dfde8bc47f1f903dfe0a33b57abf6cbca31292ee1d526a3143a11d648.exe	cmd.exe
PID 3536 wrote to memory of 2352	3536	0b17198dfde8bc47f1f903dfe0a33b57abf6cbca31292ee1d526a3143a11d648.exe	cmd.exe
PID 3536 wrote to memory of 2352	3536	0b17198dfde8bc47f1f903dfe0a33b57abf6cbca31292ee1d526a3143a11d648.exe	cmd.exe
PID 2352 wrote to memory of 1640	2352	cmd.exe	taskkill.exe
PID 2352 wrote to memory of 1640	2352	cmd.exe	taskkill.exe
PID 2352 wrote to memory of 1640	2352	cmd.exe	taskkill.exe