gcleaner | 1d818366c5492865f1b19fe56f804aa994f13ea8ccc5896518e3ef275dcba100

Analysis

max time kernel
16s
max time network
16s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
23-11-2024 13:05

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General

Target

1d818366c5492865f1b19fe56f804aa994f13ea8ccc5896518e3ef275dcba100.exe
Size

444KB
MD5

0c00f89b8e87f3677c63957f73fa04c6
SHA1

e6fe715ad8bbec891a148f8b3dc15ac36e015dfb
SHA256

1d818366c5492865f1b19fe56f804aa994f13ea8ccc5896518e3ef275dcba100
SHA512

d9bee8b7185271c7a8db4de6acf364a59b66fd5f2892a4dc358ca61f1da88dfbbb3d97d5e528c2aca17fcff37990f75d76c1ab72f68bc13499ecdf888f460fd4
SSDEEP

12288:jydTPaHeEs1JnOWYHU5YxA78uAtd44m1UDajcKaqX:jOTPaHeE8OWXIuj4m2DcaqX

Score

10^/10

gcleaner onlylogger discovery loader

Malware Config

Extracted

Family

gcleaner

gcl-gb.biz

45.9.20.13

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 4 IoCs

resource	yara_rule
behavioral1/memory/2112-2-0x00000000001B0000-0x00000000001F9000-memory.dmp	family_onlylogger
behavioral1/memory/2112-3-0x0000000000400000-0x000000000044C000-memory.dmp	family_onlylogger
behavioral1/memory/2112-5-0x0000000000400000-0x000000000044C000-memory.dmp	family_onlylogger
behavioral1/memory/2112-4-0x0000000000400000-0x000000000089E000-memory.dmp	family_onlylogger

Deletes itself 1 IoCs

pid	Process
2208	cmd.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1d818366c5492865f1b19fe56f804aa994f13ea8ccc5896518e3ef275dcba100.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
2680	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2680	taskkill.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2112 wrote to memory of 2208	2112	1d818366c5492865f1b19fe56f804aa994f13ea8ccc5896518e3ef275dcba100.exe	31
PID 2112 wrote to memory of 2208	2112	1d818366c5492865f1b19fe56f804aa994f13ea8ccc5896518e3ef275dcba100.exe	31
PID 2112 wrote to memory of 2208	2112	1d818366c5492865f1b19fe56f804aa994f13ea8ccc5896518e3ef275dcba100.exe	31
PID 2112 wrote to memory of 2208	2112	1d818366c5492865f1b19fe56f804aa994f13ea8ccc5896518e3ef275dcba100.exe	31
PID 2208 wrote to memory of 2680	2208	cmd.exe	33
PID 2208 wrote to memory of 2680	2208	cmd.exe	33
PID 2208 wrote to memory of 2680	2208	cmd.exe	33
PID 2208 wrote to memory of 2680	2208	cmd.exe	33

C:\Users\Admin\AppData\Local\Temp\1d818366c5492865f1b19fe56f804aa994f13ea8ccc5896518e3ef275dcba100.exe
"C:\Users\Admin\AppData\Local\Temp\1d818366c5492865f1b19fe56f804aa994f13ea8ccc5896518e3ef275dcba100.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2112
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "1d818366c5492865f1b19fe56f804aa994f13ea8ccc5896518e3ef275dcba100.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\1d818366c5492865f1b19fe56f804aa994f13ea8ccc5896518e3ef275dcba100.exe" & exit
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2208
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "1d818366c5492865f1b19fe56f804aa994f13ea8ccc5896518e3ef275dcba100.exe" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2680

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2112-1-0x00000000002F0000-0x00000000003F0000-memory.dmp

Filesize
1024KB

Download
memory/2112-2-0x00000000001B0000-0x00000000001F9000-memory.dmp

Filesize
292KB

Download
memory/2112-3-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2112-5-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2112-4-0x0000000000400000-0x000000000089E000-memory.dmp

Filesize
4.6MB

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