gcleaner | eb530e94908b4fb4d89f11a7a2198d0592c71f03d3d0eec8d3676b323a5fcbfc

Analysis

max time kernel
30s
max time network
145s
platform
windows11-21h2_x64
resource
win11-20240802-en
resource tags

arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
submitted
07-09-2024 13:05

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General

Target

eb530e94908b4fb4d89f11a7a2198d0592c71f03d3d0eec8d3676b323a5fcbfc.exe
Size

294KB
MD5

04c1971726f97686dab7f7f7d9eb08f5
SHA1

c09e79d0d096643da3d2ffd410a3eb6096e07a43
SHA256

eb530e94908b4fb4d89f11a7a2198d0592c71f03d3d0eec8d3676b323a5fcbfc
SHA512

c114553508ef00cb1d4165e76716a331fc03a0d8246265e3d1a73d703907343e539f8efdbacaf7eac38f1443d32b9df0c50c6f98cbd6a6a0e7533771338b262b
SSDEEP

6144:g+FTfLtFZ7umhzZwW/C2BJDaodzlr6QF/Q:gQL3Z7uyziW/JBJDao5lr1/

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

System Information Discovery
T1082

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	eb530e94908b4fb4d89f11a7a2198d0592c71f03d3d0eec8d3676b323a5fcbfc.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
4580	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4580	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1004 wrote to memory of 1836	1004	eb530e94908b4fb4d89f11a7a2198d0592c71f03d3d0eec8d3676b323a5fcbfc.exe	78
PID 1004 wrote to memory of 1836	1004	eb530e94908b4fb4d89f11a7a2198d0592c71f03d3d0eec8d3676b323a5fcbfc.exe	78
PID 1004 wrote to memory of 1836	1004	eb530e94908b4fb4d89f11a7a2198d0592c71f03d3d0eec8d3676b323a5fcbfc.exe	78
PID 1836 wrote to memory of 4580	1836	cmd.exe	80
PID 1836 wrote to memory of 4580	1836	cmd.exe	80
PID 1836 wrote to memory of 4580	1836	cmd.exe	80

C:\Users\Admin\AppData\Local\Temp\eb530e94908b4fb4d89f11a7a2198d0592c71f03d3d0eec8d3676b323a5fcbfc.exe
"C:\Users\Admin\AppData\Local\Temp\eb530e94908b4fb4d89f11a7a2198d0592c71f03d3d0eec8d3676b323a5fcbfc.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1004
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "eb530e94908b4fb4d89f11a7a2198d0592c71f03d3d0eec8d3676b323a5fcbfc.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\eb530e94908b4fb4d89f11a7a2198d0592c71f03d3d0eec8d3676b323a5fcbfc.exe" & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1836
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "eb530e94908b4fb4d89f11a7a2198d0592c71f03d3d0eec8d3676b323a5fcbfc.exe" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:4580

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\FYUCG7L6\download[1].htm

Filesize
1B

MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

Download Submit
memory/1004-1-0x0000000000580000-0x0000000000680000-memory.dmp

Filesize
1024KB

Download
memory/1004-2-0x00000000022B0000-0x00000000022DD000-memory.dmp

Filesize
180KB

Download
memory/1004-3-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1004-8-0x0000000000580000-0x0000000000680000-memory.dmp

Filesize
1024KB

Download
memory/1004-10-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/1004-11-0x00000000022B0000-0x00000000022DD000-memory.dmp

Filesize
180KB

Download
memory/1004-13-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1004-21-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/1004-22-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download