gcleaner | 6ce1075c1eca41e5a2c2a86ef580496414f423529d6db4d4a4b25ecff9f767d1

Analysis

max time kernel
94s
max time network
135s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
07-11-2024 10:47

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General

Target

fyiHA5hP7V19p7libPJSzjUi.exe
Size

317KB
MD5

145bf5658332302310a7fe40ed77783d
SHA1

5370ac46379b8db9d9fca84f21d411687109486f
SHA256

bddcd5eba3036a21b11e6d6d3cbe84daf562db27814adf7e32b5cc103d3c25d3
SHA512

d3d9a8231f256efee7ce7ba6841d78c598dc912e7e5d503a9a094e6303d0f9f165a60c5370f353076b1f592d7d9ee6765d0ba4863a1c4935bb47e2ffa4ffb776
SSDEEP

6144:QIH2L4AqFKDXavv7HPdVVJ31H0WJhtJSOi4k/YjN6+7i3eWQj3KWS/jrAZcEujqY:WLKFKqvz3CehLSO+YjN43jRPoZNm

Score

10^/10

gcleaner onlylogger discovery loader

Malware Config

Extracted

Family

gcleaner

194.145.227.161

Signatures

GCleaner
GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.
loader gcleaner
Gcleaner family
gcleaner
OnlyLogger
A tiny loader that uses IPLogger to get its payload.
loader onlylogger
Onlylogger family
onlylogger

OnlyLogger payload 5 IoCs

resource	yara_rule
behavioral32/memory/4604-2-0x0000000003FD0000-0x0000000003FFF000-memory.dmp	family_onlylogger
behavioral32/memory/4604-3-0x0000000000400000-0x0000000000431000-memory.dmp	family_onlylogger
behavioral32/memory/4604-12-0x0000000000400000-0x0000000000431000-memory.dmp	family_onlylogger
behavioral32/memory/4604-11-0x0000000003FD0000-0x0000000003FFF000-memory.dmp	family_onlylogger
behavioral32/memory/4604-10-0x0000000000400000-0x00000000023BA000-memory.dmp	family_onlylogger

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	fyiHA5hP7V19p7libPJSzjUi.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
16	iplogger.org
20	iplogger.org

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

System Information Discovery
T1082

Program crash 10 IoCs

pid	pid_target	Process	procid_target
3424	4604	WerFault.exe	84
3112	4604	WerFault.exe	84
4876	4604	WerFault.exe	84
3996	4604	WerFault.exe	84
3880	4604	WerFault.exe	84
4836	4604	WerFault.exe	84
3420	4604	WerFault.exe	84
2772	4604	WerFault.exe	84
4796	4604	WerFault.exe	84
1064	4604	WerFault.exe	84

System Location Discovery: System Language Discovery 1 TTPs 6 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fyiHA5hP7V19p7libPJSzjUi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
1620	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1620	taskkill.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 4604 wrote to memory of 1212	4604	fyiHA5hP7V19p7libPJSzjUi.exe	108
PID 4604 wrote to memory of 1212	4604	fyiHA5hP7V19p7libPJSzjUi.exe	108
PID 4604 wrote to memory of 1212	4604	fyiHA5hP7V19p7libPJSzjUi.exe	108
PID 4604 wrote to memory of 2532	4604	fyiHA5hP7V19p7libPJSzjUi.exe	110
PID 4604 wrote to memory of 2532	4604	fyiHA5hP7V19p7libPJSzjUi.exe	110
PID 4604 wrote to memory of 2532	4604	fyiHA5hP7V19p7libPJSzjUi.exe	110
PID 4604 wrote to memory of 4316	4604	fyiHA5hP7V19p7libPJSzjUi.exe	112
PID 4604 wrote to memory of 4316	4604	fyiHA5hP7V19p7libPJSzjUi.exe	112
PID 4604 wrote to memory of 4316	4604	fyiHA5hP7V19p7libPJSzjUi.exe	112
PID 4604 wrote to memory of 4920	4604	fyiHA5hP7V19p7libPJSzjUi.exe	116
PID 4604 wrote to memory of 4920	4604	fyiHA5hP7V19p7libPJSzjUi.exe	116
PID 4604 wrote to memory of 4920	4604	fyiHA5hP7V19p7libPJSzjUi.exe	116
PID 4920 wrote to memory of 1620	4920	cmd.exe	120
PID 4920 wrote to memory of 1620	4920	cmd.exe	120
PID 4920 wrote to memory of 1620	4920	cmd.exe	120

C:\Users\Admin\AppData\Local\Temp\fyiHA5hP7V19p7libPJSzjUi.exe
"C:\Users\Admin\AppData\Local\Temp\fyiHA5hP7V19p7libPJSzjUi.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4604
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4604 -s 636
  2⤵
  - Program crash
  PID:3424
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4604 -s 672
  2⤵
  - Program crash
  PID:3112
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4604 -s 788
  2⤵
  - Program crash
  PID:4876
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4604 -s 820
  2⤵
  - Program crash
  PID:3996
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4604 -s 916
  2⤵
  - Program crash
  PID:3880
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4604 -s 780
  2⤵
  - Program crash
  PID:4836
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4604 -s 1028
  2⤵
  - Program crash
  PID:3420
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4604 -s 1416
  2⤵
  - Program crash
  PID:2772
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c start /I "" "C:\Users\Admin\AppData\Local\Temp\{HZMY-E8cVb-dEim-of5Dw}\05102500038.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1212
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c start /I "" "C:\Users\Admin\AppData\Local\Temp\{HZMY-E8cVb-dEim-of5Dw}\88143984557.exe" /mix
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2532
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c start /I "" "C:\Users\Admin\AppData\Local\Temp\{HZMY-E8cVb-dEim-of5Dw}\71294711291.exe" /mix
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4316
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4604 -s 1748
  2⤵
  - Program crash
  PID:4796
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "fyiHA5hP7V19p7libPJSzjUi.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\fyiHA5hP7V19p7libPJSzjUi.exe" & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4920
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "fyiHA5hP7V19p7libPJSzjUi.exe" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:1620
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4604 -s 1904
  2⤵
  - Program crash
  PID:1064

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4604 -ip 4604
1⤵
PID:1500

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 4604 -ip 4604
1⤵
PID:4080

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 4604 -ip 4604
1⤵
PID:2008

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 4604 -ip 4604
1⤵
PID:3596

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 4604 -ip 4604
1⤵
PID:3040

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 4604 -ip 4604
1⤵
PID:4952

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 4604 -ip 4604
1⤵
PID:3152

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 4604 -ip 4604
1⤵
PID:1656

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 4604 -ip 4604
1⤵
PID:5088

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 4604 -ip 4604
1⤵
PID:3564

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\{HZMY-E8cVb-dEim-of5Dw}\05102500038.exe

Filesize
277B

MD5
6445250d234e789c0c2afe69f119e326

SHA1
03074f75c0ff50783d8c2e32d96e39b746540f66

SHA256
2e6cd9433e66a9ebde268bc6949d4660de441790bd39ffc9cb0f4caaeb44320f

SHA512
ecd094a4d026378f85435f8a2dc16c92c033aff92ba126d8bbb22d6b279b842d417f4df0f63199ea248d0ec64b9679acb5a1f835560d8e3c5b84be492cc0e68e

Download Submit
memory/4604-2-0x0000000003FD0000-0x0000000003FFF000-memory.dmp

Filesize
188KB

Download
memory/4604-1-0x0000000002730000-0x0000000002830000-memory.dmp

Filesize
1024KB

Download
memory/4604-3-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/4604-12-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/4604-11-0x0000000003FD0000-0x0000000003FFF000-memory.dmp

Filesize
188KB

Download
memory/4604-10-0x0000000000400000-0x00000000023BA000-memory.dmp

Filesize
31.7MB

Download