gcleaner | 75d167249768d3b15728389b25c65e97f6ad92610b26b7d65fe8e2db83c41e4d

Analysis

max time kernel
129s
max time network
128s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08-11-2024 09:08

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General

Target

mixseven.exe
Size

213KB
MD5

984f9ec5ff106e4c08bb076ef63f3ec2
SHA1

119152d00b0b883cefae6519bbe4be43c6e1aafd
SHA256

438676e5d2d9fd41a35b18eee5db8917e7f960f0d50917513f4fb92b95d29995
SHA512

641cdf64b6ba39fb01c0bbe86aa878026e9f61280a83d449d67656dfa89100957f9e5b2b575b7ec460a0eeb4d2a8ef8da0781de58d3c518be2a2ae97ce1acd6a
SSDEEP

3072:qYq47wlx3K0mbLClhjJPHH93Bf8Pwv+/FvFeWB3SaPkN1hL8csI5/DuT61m:qf4uxaKl5JPHH96vFeWVk5LsI5/

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 8 IoCs

Processes:

resource	yara_rule
behavioral27/memory/2904-2-0x00000000003A0000-0x00000000003D0000-memory.dmp	family_onlylogger
behavioral27/memory/2904-3-0x0000000000400000-0x0000000000432000-memory.dmp	family_onlylogger
behavioral27/memory/2904-5-0x00000000003A0000-0x00000000003D0000-memory.dmp	family_onlylogger
behavioral27/memory/2904-7-0x0000000000400000-0x0000000000432000-memory.dmp	family_onlylogger
behavioral27/memory/2904-6-0x0000000000400000-0x0000000001D82000-memory.dmp	family_onlylogger
behavioral27/memory/2904-18-0x0000000000400000-0x0000000001D82000-memory.dmp	family_onlylogger
behavioral27/memory/2904-41-0x0000000000400000-0x0000000000432000-memory.dmp	family_onlylogger
behavioral27/memory/2904-39-0x0000000000400000-0x0000000001D82000-memory.dmp	family_onlylogger

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

572 cmd.exe
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service
T1102

Processes:

flow ioc

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

System Information Discovery
T1082

pid	process
572	cmd.exe

flow	ioc
8	iplogger.org
6	iplogger.org

System Location Discovery: System Language Discovery 1 TTPs 7 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:

cmd.execmd.exetaskkill.exemixseven.execmd.execmd.execmd.exe

description	ioc	process
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	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mixseven.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

Processes:

taskkill.exe

pid process

2172 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 2172 taskkill.exe

pid	process
2172	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	2172	taskkill.exe

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

mixseven.execmd.exe

description	pid	process	target process
PID 2904 wrote to memory of 2996	2904	mixseven.exe	cmd.exe
PID 2904 wrote to memory of 2996	2904	mixseven.exe	cmd.exe
PID 2904 wrote to memory of 2996	2904	mixseven.exe	cmd.exe
PID 2904 wrote to memory of 2996	2904	mixseven.exe	cmd.exe
PID 2904 wrote to memory of 3000	2904	mixseven.exe	cmd.exe
PID 2904 wrote to memory of 3000	2904	mixseven.exe	cmd.exe
PID 2904 wrote to memory of 3000	2904	mixseven.exe	cmd.exe
PID 2904 wrote to memory of 3000	2904	mixseven.exe	cmd.exe
PID 2904 wrote to memory of 1976	2904	mixseven.exe	cmd.exe
PID 2904 wrote to memory of 1976	2904	mixseven.exe	cmd.exe
PID 2904 wrote to memory of 1976	2904	mixseven.exe	cmd.exe
PID 2904 wrote to memory of 1976	2904	mixseven.exe	cmd.exe
PID 2904 wrote to memory of 3036	2904	mixseven.exe	cmd.exe
PID 2904 wrote to memory of 3036	2904	mixseven.exe	cmd.exe
PID 2904 wrote to memory of 3036	2904	mixseven.exe	cmd.exe
PID 2904 wrote to memory of 3036	2904	mixseven.exe	cmd.exe
PID 2904 wrote to memory of 572	2904	mixseven.exe	cmd.exe
PID 2904 wrote to memory of 572	2904	mixseven.exe	cmd.exe
PID 2904 wrote to memory of 572	2904	mixseven.exe	cmd.exe
PID 2904 wrote to memory of 572	2904	mixseven.exe	cmd.exe
PID 572 wrote to memory of 2172	572	cmd.exe	taskkill.exe
PID 572 wrote to memory of 2172	572	cmd.exe	taskkill.exe
PID 572 wrote to memory of 2172	572	cmd.exe	taskkill.exe
PID 572 wrote to memory of 2172	572	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\mixseven.exe
"C:\Users\Admin\AppData\Local\Temp\mixseven.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2904
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c start /I "" "C:\Users\Admin\AppData\Local\Temp\{UNXI-UCqEo-zTQz-VSyTP}\83037447545.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2996
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c start /I "" "C:\Users\Admin\AppData\Local\Temp\{UNXI-UCqEo-zTQz-VSyTP}\63380486510.exe" /mix
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3000
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c start /I "" "C:\Users\Admin\AppData\Local\Temp\{UNXI-UCqEo-zTQz-VSyTP}\66353213945.exe" /mix
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1976
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c start /I "" "C:\ProgramData\Garbage Cleaner\Garbage Cleaner.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3036
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "mixseven.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\mixseven.exe" & exit
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:572
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "mixseven.exe" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2172

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

Web Service

T1102

Exfiltration

Impact

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Downloads

C:\ProgramData\Garbage Cleaner\Garbage Cleaner.exe

Filesize
277B

MD5
6445250d234e789c0c2afe69f119e326

SHA1
03074f75c0ff50783d8c2e32d96e39b746540f66

SHA256
2e6cd9433e66a9ebde268bc6949d4660de441790bd39ffc9cb0f4caaeb44320f

SHA512
ecd094a4d026378f85435f8a2dc16c92c033aff92ba126d8bbb22d6b279b842d417f4df0f63199ea248d0ec64b9679acb5a1f835560d8e3c5b84be492cc0e68e

Download Submit
memory/2904-1-0x0000000000230000-0x0000000000330000-memory.dmp

Filesize
1024KB

Download
memory/2904-2-0x00000000003A0000-0x00000000003D0000-memory.dmp

Filesize
192KB

Download
memory/2904-3-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2904-4-0x0000000000230000-0x0000000000330000-memory.dmp

Filesize
1024KB

Download
memory/2904-5-0x00000000003A0000-0x00000000003D0000-memory.dmp

Filesize
192KB

Download
memory/2904-7-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2904-6-0x0000000000400000-0x0000000001D82000-memory.dmp

Filesize
25.5MB

Download
memory/2904-18-0x0000000000400000-0x0000000001D82000-memory.dmp

Filesize
25.5MB

Download
memory/2904-41-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2904-40-0x0000000000230000-0x0000000000330000-memory.dmp

Filesize
1024KB

Download
memory/2904-39-0x0000000000400000-0x0000000001D82000-memory.dmp

Filesize
25.5MB

Download