gcleaner | f403e5db7055c16c5608a7c5c5e8d72541f88a83720b84f6ee2a8ed7212f75a8

Analysis

max time kernel
91s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09-11-2024 09:59

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General

Target

7zS850A099E/61e7501ab629f_Tue23c4645058.exe
Size

405KB
MD5

031f38d24ae18e9d3d3b878b9b1d8902
SHA1

b089e0f0d1809873b2d8d86e9c72f9136efa9983
SHA256

23facfbb54ebef4f301cd273be87ce89ae421f2cf2f79ebbc0e5338a54b4c356
SHA512

278dac8cbc45ad9e758da3f368e7f72e01b5e59d79c7176bfdf90a2bf1caf89f29c8852c66bff25c5ae8b4395724f54c8525e83881c1cd1f5b6ccd175852241d
SSDEEP

6144:V/Kw8p+TAL2ICoCn2A+OiSmLie6PgZzE7ITsq:VSHp+npoCn23/SmLDo8E7

Score

10^/10

gcleaner onlylogger discovery loader

Malware Config

Extracted

Family

gcleaner

web-stat.biz

privatevolume.bi

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

Processes:

resource	yara_rule
behavioral16/memory/2040-1-0x0000000000950000-0x000000000099C000-memory.dmp	family_onlylogger
behavioral16/memory/2040-2-0x0000000000400000-0x0000000000450000-memory.dmp	family_onlylogger
behavioral16/memory/2040-5-0x0000000000950000-0x000000000099C000-memory.dmp	family_onlylogger
behavioral16/memory/2040-6-0x0000000000400000-0x0000000000450000-memory.dmp	family_onlylogger
behavioral16/memory/2040-3-0x0000000000400000-0x000000000046C000-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

Processes:

61e7501ab629f_Tue23c4645058.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	61e7501ab629f_Tue23c4645058.exe

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

System Information Discovery
T1082

Program crash 7 IoCs

Processes:

WerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exe

pid	pid_target	process	target process
2168	2040	WerFault.exe	61e7501ab629f_Tue23c4645058.exe
4152	2040	WerFault.exe	61e7501ab629f_Tue23c4645058.exe
4416	2040	WerFault.exe	61e7501ab629f_Tue23c4645058.exe
1484	2040	WerFault.exe	61e7501ab629f_Tue23c4645058.exe
4836	2040	WerFault.exe	61e7501ab629f_Tue23c4645058.exe
1708	2040	WerFault.exe	61e7501ab629f_Tue23c4645058.exe
3164	2040	WerFault.exe	61e7501ab629f_Tue23c4645058.exe

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

Processes:

61e7501ab629f_Tue23c4645058.execmd.exetaskkill.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	61e7501ab629f_Tue23c4645058.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

Processes:

taskkill.exe

pid process

1540 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 1540 taskkill.exe

pid	process
1540	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	1540	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

61e7501ab629f_Tue23c4645058.execmd.exe

description	pid	process	target process
PID 2040 wrote to memory of 2324	2040	61e7501ab629f_Tue23c4645058.exe	cmd.exe
PID 2040 wrote to memory of 2324	2040	61e7501ab629f_Tue23c4645058.exe	cmd.exe
PID 2040 wrote to memory of 2324	2040	61e7501ab629f_Tue23c4645058.exe	cmd.exe
PID 2324 wrote to memory of 1540	2324	cmd.exe	taskkill.exe
PID 2324 wrote to memory of 1540	2324	cmd.exe	taskkill.exe
PID 2324 wrote to memory of 1540	2324	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\7zS850A099E\61e7501ab629f_Tue23c4645058.exe
"C:\Users\Admin\AppData\Local\Temp\7zS850A099E\61e7501ab629f_Tue23c4645058.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2040
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2040 -s 708
  2⤵
  - Program crash
  PID:2168
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2040 -s 772
  2⤵
  - Program crash
  PID:4152
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2040 -s 780
  2⤵
  - Program crash
  PID:4416
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2040 -s 872
  2⤵
  - Program crash
  PID:1484
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2040 -s 872
  2⤵
  - Program crash
  PID:4836
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2040 -s 784
  2⤵
  - Program crash
  PID:1708
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "61e7501ab629f_Tue23c4645058.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\7zS850A099E\61e7501ab629f_Tue23c4645058.exe" & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2324
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "61e7501ab629f_Tue23c4645058.exe" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:1540
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2040 -s 744
  2⤵
  - Program crash
  PID:3164

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2040 -ip 2040
1⤵
PID:4520

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2040 -ip 2040
1⤵
PID:4492

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 2040 -ip 2040
1⤵
PID:3640

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 2040 -ip 2040
1⤵
PID:1856

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 2040 -ip 2040
1⤵
PID:4708

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 2040 -ip 2040
1⤵
PID:1900

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2040 -ip 2040
1⤵
PID:3100

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

Exfiltration

Impact

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Downloads

memory/2040-0-0x00000000006A0000-0x00000000006CA000-memory.dmp

Filesize
168KB

Download
memory/2040-1-0x0000000000950000-0x000000000099C000-memory.dmp

Filesize
304KB

Download
memory/2040-2-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2040-5-0x0000000000950000-0x000000000099C000-memory.dmp

Filesize
304KB

Download
memory/2040-6-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2040-4-0x00000000006A0000-0x00000000006CA000-memory.dmp

Filesize
168KB

Download
memory/2040-3-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download