gcleaner | 2f2831189080a96110997141986aa9f145e519066ac2e1fd26bff6f33e6b5f78

Analysis

max time kernel
120s
max time network
122s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
23/08/2024, 19:05

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General

Target

2f2831189080a96110997141986aa9f145e519066ac2e1fd26bff6f33e6b5f78.exe
Size

351KB
MD5

71b434aa7371b799de02965ec75cbda3
SHA1

66a4017c57882d39b555c6f2cd96591034d96719
SHA256

2f2831189080a96110997141986aa9f145e519066ac2e1fd26bff6f33e6b5f78
SHA512

45c94bd1b22651234917718d449b9524956a5cbf84784e2c9f865cbb8130cc9caa9e5f0a8706ac4d3c7ad4affc194ea18a8d9bbb17ab43b163344001125756ae
SSDEEP

6144:yaN/f6Hmtc/e3JFXtEmGUj0/9B0rYYS/8XGcgWljoLozcnR2G:yaNX6G6/kJzGBsY8pgsRmn

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
2172	cmd.exe

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	2f2831189080a96110997141986aa9f145e519066ac2e1fd26bff6f33e6b5f78.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
3012	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3012	taskkill.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2972 wrote to memory of 2172	2972	2f2831189080a96110997141986aa9f145e519066ac2e1fd26bff6f33e6b5f78.exe	32
PID 2972 wrote to memory of 2172	2972	2f2831189080a96110997141986aa9f145e519066ac2e1fd26bff6f33e6b5f78.exe	32
PID 2972 wrote to memory of 2172	2972	2f2831189080a96110997141986aa9f145e519066ac2e1fd26bff6f33e6b5f78.exe	32
PID 2972 wrote to memory of 2172	2972	2f2831189080a96110997141986aa9f145e519066ac2e1fd26bff6f33e6b5f78.exe	32
PID 2172 wrote to memory of 3012	2172	cmd.exe	34
PID 2172 wrote to memory of 3012	2172	cmd.exe	34
PID 2172 wrote to memory of 3012	2172	cmd.exe	34
PID 2172 wrote to memory of 3012	2172	cmd.exe	34

C:\Users\Admin\AppData\Local\Temp\2f2831189080a96110997141986aa9f145e519066ac2e1fd26bff6f33e6b5f78.exe
"C:\Users\Admin\AppData\Local\Temp\2f2831189080a96110997141986aa9f145e519066ac2e1fd26bff6f33e6b5f78.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2972
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "2f2831189080a96110997141986aa9f145e519066ac2e1fd26bff6f33e6b5f78.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\2f2831189080a96110997141986aa9f145e519066ac2e1fd26bff6f33e6b5f78.exe" & exit
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2172
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "2f2831189080a96110997141986aa9f145e519066ac2e1fd26bff6f33e6b5f78.exe" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:3012

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

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\YW15VCHK\download[1].htm

Filesize
1B

MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

Download Submit
memory/2972-1-0x0000000000250000-0x0000000000350000-memory.dmp

Filesize
1024KB

Download
memory/2972-2-0x00000000003C0000-0x00000000003ED000-memory.dmp

Filesize
180KB

Download
memory/2972-3-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2972-8-0x0000000000250000-0x0000000000350000-memory.dmp

Filesize
1024KB

Download
memory/2972-9-0x00000000003C0000-0x00000000003ED000-memory.dmp

Filesize
180KB

Download
memory/2972-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2972-11-0x0000000000400000-0x00000000005EB000-memory.dmp

Filesize
1.9MB

Download
memory/2972-23-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2972-22-0x0000000000250000-0x0000000000350000-memory.dmp

Filesize
1024KB

Download
memory/2972-21-0x0000000000400000-0x00000000005EB000-memory.dmp

Filesize
1.9MB

Download