gcleaner | 9bf7c1a6f1ad7d8f4cf95d56162a3865c22e8ebc229c3dbc97a237047c044108

Analysis

max time kernel
122s
max time network
127s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05/09/2024, 22:45

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General

Target

9bf7c1a6f1ad7d8f4cf95d56162a3865c22e8ebc229c3dbc97a237047c044108.exe
Size

415KB
MD5

df081bd571392ca5ded1ca50a1d11f57
SHA1

6ad0e67c3a12f1c14d6b38ac0c9f6671e1178448
SHA256

9bf7c1a6f1ad7d8f4cf95d56162a3865c22e8ebc229c3dbc97a237047c044108
SHA512

039f23ba68442d4b24cbf278ad66a16a9545b345be2729d45cfe5f95da652a122141f4d1b3471b6a91c43b8bbb6cb906b1f6e646d0ae597945396d88c36811ce
SSDEEP

3072:4mXEm/RgfbYPVlJhzsE+ELgRZXT9alY2IKoSUBRUO8w4H+BMCaErm3qCVvDiD2:XE2OfbYPzsZELwjn6ULUI4e2C1aqGDC

Score

10^/10

gcleaner discovery loader

Malware Config

Extracted

Family

gcleaner

80.66.75.114

Signatures

GCleaner
GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.
loader gcleaner

Deletes itself 1 IoCs

pid	Process
2644	cmd.exe

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9bf7c1a6f1ad7d8f4cf95d56162a3865c22e8ebc229c3dbc97a237047c044108.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
2208	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2208	taskkill.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2632 wrote to memory of 2644	2632	9bf7c1a6f1ad7d8f4cf95d56162a3865c22e8ebc229c3dbc97a237047c044108.exe	31
PID 2632 wrote to memory of 2644	2632	9bf7c1a6f1ad7d8f4cf95d56162a3865c22e8ebc229c3dbc97a237047c044108.exe	31
PID 2632 wrote to memory of 2644	2632	9bf7c1a6f1ad7d8f4cf95d56162a3865c22e8ebc229c3dbc97a237047c044108.exe	31
PID 2632 wrote to memory of 2644	2632	9bf7c1a6f1ad7d8f4cf95d56162a3865c22e8ebc229c3dbc97a237047c044108.exe	31
PID 2644 wrote to memory of 2208	2644	cmd.exe	33
PID 2644 wrote to memory of 2208	2644	cmd.exe	33
PID 2644 wrote to memory of 2208	2644	cmd.exe	33
PID 2644 wrote to memory of 2208	2644	cmd.exe	33

C:\Users\Admin\AppData\Local\Temp\9bf7c1a6f1ad7d8f4cf95d56162a3865c22e8ebc229c3dbc97a237047c044108.exe
"C:\Users\Admin\AppData\Local\Temp\9bf7c1a6f1ad7d8f4cf95d56162a3865c22e8ebc229c3dbc97a237047c044108.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2632
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "9bf7c1a6f1ad7d8f4cf95d56162a3865c22e8ebc229c3dbc97a237047c044108.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\9bf7c1a6f1ad7d8f4cf95d56162a3865c22e8ebc229c3dbc97a237047c044108.exe" & exit
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2644
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "9bf7c1a6f1ad7d8f4cf95d56162a3865c22e8ebc229c3dbc97a237047c044108.exe" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2208

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\01LB6K3J\download[1].htm

Filesize
1B

MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

Download Submit
memory/2632-1-0x0000000000250000-0x0000000000350000-memory.dmp

Filesize
1024KB

Download
memory/2632-2-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2632-3-0x0000000000400000-0x00000000005FB000-memory.dmp

Filesize
2.0MB

Download
memory/2632-9-0x0000000000250000-0x0000000000350000-memory.dmp

Filesize
1024KB

Download
memory/2632-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2632-12-0x0000000000400000-0x00000000005FB000-memory.dmp

Filesize
2.0MB

Download
memory/2632-23-0x0000000000250000-0x0000000000350000-memory.dmp

Filesize
1024KB

Download
memory/2632-22-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2632-21-0x0000000000400000-0x00000000005FB000-memory.dmp

Filesize
2.0MB

Download