gcleaner | 056ce95c37645bcaff801d233e19661df42179cc1e846c9e097ea206b5b19bab

Analysis

max time kernel
145s
max time network
151s
platform
windows11-21h2_x64
resource
win11-20240611-en
resource tags

arch:x64arch:x86image:win11-20240611-enlocale:en-usos:windows11-21h2-x64system
submitted
21-06-2024 15:29

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General

Target

056ce95c37645bcaff801d233e19661df42179cc1e846c9e097ea206b5b19bab.exe
Size

339KB
MD5

2fac6f81910fae1c14ced6a860379388
SHA1

30d5e0c1ad7693bb41ac7ab04a70ec606fd22307
SHA256

056ce95c37645bcaff801d233e19661df42179cc1e846c9e097ea206b5b19bab
SHA512

5fa895fb39c90783b5c9ac028998a0ac1815e794d2141e0943dff1f7529b34db55aaff47ddae06cc7083d151485d5e7964a2f42301b265a703b3cd1d81d13bf1
SSDEEP

6144:2AYn+uCiaGh4Kk0UBc+xXTt1r1Ayo1/N:bYn+uhfGXBBc+xTX2yoRN

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
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

2096 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 2096 taskkill.exe

pid	process
2096	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	2096	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

056ce95c37645bcaff801d233e19661df42179cc1e846c9e097ea206b5b19bab.execmd.exe

description	pid	process	target process
PID 4444 wrote to memory of 3444	4444	056ce95c37645bcaff801d233e19661df42179cc1e846c9e097ea206b5b19bab.exe	cmd.exe
PID 4444 wrote to memory of 3444	4444	056ce95c37645bcaff801d233e19661df42179cc1e846c9e097ea206b5b19bab.exe	cmd.exe
PID 4444 wrote to memory of 3444	4444	056ce95c37645bcaff801d233e19661df42179cc1e846c9e097ea206b5b19bab.exe	cmd.exe
PID 3444 wrote to memory of 2096	3444	cmd.exe	taskkill.exe
PID 3444 wrote to memory of 2096	3444	cmd.exe	taskkill.exe
PID 3444 wrote to memory of 2096	3444	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\056ce95c37645bcaff801d233e19661df42179cc1e846c9e097ea206b5b19bab.exe
"C:\Users\Admin\AppData\Local\Temp\056ce95c37645bcaff801d233e19661df42179cc1e846c9e097ea206b5b19bab.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4444

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "056ce95c37645bcaff801d233e19661df42179cc1e846c9e097ea206b5b19bab.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\056ce95c37645bcaff801d233e19661df42179cc1e846c9e097ea206b5b19bab.exe" & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:3444

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "056ce95c37645bcaff801d233e19661df42179cc1e846c9e097ea206b5b19bab.exe" /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2096

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\1H94306K\advdlc[1].htm
Filesize
1B

MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

Download Submit
memory/4444-1-0x0000000000790000-0x0000000000890000-memory.dmp

Filesize
1024KB

Download
memory/4444-3-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/4444-2-0x0000000002070000-0x00000000020AC000-memory.dmp

Filesize
240KB

Download
memory/4444-8-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/4444-14-0x0000000000400000-0x0000000000460000-memory.dmp

Filesize
384KB

Download
memory/4444-23-0x0000000000790000-0x0000000000890000-memory.dmp

Filesize
1024KB

Download
memory/4444-24-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/4444-33-0x0000000000400000-0x0000000000460000-memory.dmp

Filesize
384KB

Download
memory/4444-34-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download