gcleaner | 852e2bb74ff593ea00e70f62ba7639533e104e2df02e53b13cf61133f942fc0b

Analysis

max time kernel
26s
max time network
29s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
26-09-2024 01:57

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General

Target

852e2bb74ff593ea00e70f62ba7639533e104e2df02e53b13cf61133f942fc0b.exe
Size

294KB
MD5

13a595ded524800f38b3ca5bd464ba8d
SHA1

2d61f91e83f9df37a715ce3109e42bd49185c917
SHA256

852e2bb74ff593ea00e70f62ba7639533e104e2df02e53b13cf61133f942fc0b
SHA512

0f592c82af3b419b4faf19474e2b5db7199c30b1b8a602a38f2a59a04aafcda817d619cb19da8aa2db4219e986d6a80d969ef6c0ec4d65b73eb36474f81277fa
SSDEEP

6144:jbVyfXc9rZnPTFAgOOf7jjV7THzcdnKHfhRfFE/Q:jcXurZn+gfx7THIdK/hRfW/

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
2916	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	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	852e2bb74ff593ea00e70f62ba7639533e104e2df02e53b13cf61133f942fc0b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
2824	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2824	taskkill.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3044 wrote to memory of 2916	3044	852e2bb74ff593ea00e70f62ba7639533e104e2df02e53b13cf61133f942fc0b.exe	30
PID 3044 wrote to memory of 2916	3044	852e2bb74ff593ea00e70f62ba7639533e104e2df02e53b13cf61133f942fc0b.exe	30
PID 3044 wrote to memory of 2916	3044	852e2bb74ff593ea00e70f62ba7639533e104e2df02e53b13cf61133f942fc0b.exe	30
PID 3044 wrote to memory of 2916	3044	852e2bb74ff593ea00e70f62ba7639533e104e2df02e53b13cf61133f942fc0b.exe	30
PID 2916 wrote to memory of 2824	2916	cmd.exe	32
PID 2916 wrote to memory of 2824	2916	cmd.exe	32
PID 2916 wrote to memory of 2824	2916	cmd.exe	32
PID 2916 wrote to memory of 2824	2916	cmd.exe	32

C:\Users\Admin\AppData\Local\Temp\852e2bb74ff593ea00e70f62ba7639533e104e2df02e53b13cf61133f942fc0b.exe
"C:\Users\Admin\AppData\Local\Temp\852e2bb74ff593ea00e70f62ba7639533e104e2df02e53b13cf61133f942fc0b.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3044
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "852e2bb74ff593ea00e70f62ba7639533e104e2df02e53b13cf61133f942fc0b.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\852e2bb74ff593ea00e70f62ba7639533e104e2df02e53b13cf61133f942fc0b.exe" & exit
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2916
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "852e2bb74ff593ea00e70f62ba7639533e104e2df02e53b13cf61133f942fc0b.exe" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2824

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\NQU8S4LJ\download[1].htm

Filesize
1B

MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

Download Submit
memory/3044-1-0x0000000000270000-0x0000000000370000-memory.dmp

Filesize
1024KB

Download
memory/3044-2-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3044-3-0x0000000000400000-0x0000000002B6A000-memory.dmp

Filesize
39.4MB

Download
memory/3044-9-0x0000000000270000-0x0000000000370000-memory.dmp

Filesize
1024KB

Download
memory/3044-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3044-11-0x0000000000400000-0x0000000002B6A000-memory.dmp

Filesize
39.4MB

Download
memory/3044-20-0x0000000000400000-0x0000000002B6A000-memory.dmp

Filesize
39.4MB

Download
memory/3044-22-0x0000000000270000-0x0000000000370000-memory.dmp

Filesize
1024KB

Download
memory/3044-21-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download