gcleaner | f151ea6249959fa93e3e3f1eb3c83c259bc23f93e052b132c5f45d180ee41840

Analysis

max time kernel
122s
max time network
124s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
12/09/2024, 04:57

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General

Target

inte.exe
Size

309KB
MD5

7843ceaa0b4ea7bd6b37d453ffe0f72c
SHA1

45be48fad4296f903c7ff9cd8d604f7900248d86
SHA256

f151ea6249959fa93e3e3f1eb3c83c259bc23f93e052b132c5f45d180ee41840
SHA512

501ab1a157d6339231d4e36c3a323e1a00df92ee8556487ead97913d120576d645a9d0034c755c9c29a400b320a05029b42e927f8b7e2919e049fcd3c44271dd
SSDEEP

6144:TuicZcyHMdzLVy0D7/28SQg1Yw1w+Yso4aEW:TuiYcUMdvfgLwsV

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
2892	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	inte.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
2624	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2624	taskkill.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1648 wrote to memory of 2892	1648	inte.exe	32
PID 1648 wrote to memory of 2892	1648	inte.exe	32
PID 1648 wrote to memory of 2892	1648	inte.exe	32
PID 1648 wrote to memory of 2892	1648	inte.exe	32
PID 2892 wrote to memory of 2624	2892	cmd.exe	34
PID 2892 wrote to memory of 2624	2892	cmd.exe	34
PID 2892 wrote to memory of 2624	2892	cmd.exe	34
PID 2892 wrote to memory of 2624	2892	cmd.exe	34

C:\Users\Admin\AppData\Local\Temp\inte.exe
"C:\Users\Admin\AppData\Local\Temp\inte.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1648
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "inte.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\inte.exe" & exit
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2892
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "inte.exe" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2624

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\Temporary Internet Files\Content.IE5\4RXRX1VH\download[1].htm

Filesize
1B

MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

Download Submit
memory/1648-1-0x0000000000540000-0x0000000000640000-memory.dmp

Filesize
1024KB

Download
memory/1648-2-0x0000000000220000-0x000000000024D000-memory.dmp

Filesize
180KB

Download
memory/1648-3-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1648-7-0x0000000000540000-0x0000000000640000-memory.dmp

Filesize
1024KB

Download
memory/1648-9-0x0000000000220000-0x000000000024D000-memory.dmp

Filesize
180KB

Download
memory/1648-11-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1648-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1648-21-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1648-23-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1648-22-0x0000000000540000-0x0000000000640000-memory.dmp

Filesize
1024KB

Download