gcleaner | 4f427368f409e158faf447e0fed42ce6815cf6929a8f21b9c40dcd75a1260179

Analysis

max time kernel
144s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
25-02-2024 20:46

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

a48f6e675c4631d5b969073fe23024b6.exe
Size

320KB
MD5

a48f6e675c4631d5b969073fe23024b6
SHA1

6414cac87c0cf28eb977a87744d7f0f10979369d
SHA256

4f427368f409e158faf447e0fed42ce6815cf6929a8f21b9c40dcd75a1260179
SHA512

f31047f9c0f7edc16b3b3499db0641eba828ca79f8cdc5d724eb0141f8f358b1d8f6904c3314107a9348895a23bb50680a932c455472638f97295514cd080f76
SSDEEP

6144:unLX/3KUQWcQA+egSRpr7xKToYp3FSwcckLezORO6hCi:wb/aUQWZA+7SRpRuj+9MOui

Score

10^/10

gcleaner onlylogger loader

Malware Config

Signatures

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

OnlyLogger payload 4 IoCs

resource	yara_rule
behavioral2/memory/3036-2-0x00000000049E0000-0x0000000004A2F000-memory.dmp	family_onlylogger
behavioral2/memory/3036-3-0x0000000000400000-0x0000000002C86000-memory.dmp	family_onlylogger
behavioral2/memory/3036-4-0x0000000000400000-0x0000000002C86000-memory.dmp	family_onlylogger
behavioral2/memory/3036-5-0x00000000049E0000-0x0000000004A2F000-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-1-5-21-3844919115-497234255-166257750-1000\Control Panel\International\Geo\Nation	a48f6e675c4631d5b969073fe23024b6.exe

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

System Information Discovery
T1082

Kills process with taskkill 1 IoCs

evasion

pid	Process
5064	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5064	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3036 wrote to memory of 2872	3036	a48f6e675c4631d5b969073fe23024b6.exe	90
PID 3036 wrote to memory of 2872	3036	a48f6e675c4631d5b969073fe23024b6.exe	90
PID 3036 wrote to memory of 2872	3036	a48f6e675c4631d5b969073fe23024b6.exe	90
PID 2872 wrote to memory of 5064	2872	cmd.exe	92
PID 2872 wrote to memory of 5064	2872	cmd.exe	92
PID 2872 wrote to memory of 5064	2872	cmd.exe	92

C:\Users\Admin\AppData\Local\Temp\a48f6e675c4631d5b969073fe23024b6.exe
"C:\Users\Admin\AppData\Local\Temp\a48f6e675c4631d5b969073fe23024b6.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3036
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "a48f6e675c4631d5b969073fe23024b6.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\a48f6e675c4631d5b969073fe23024b6.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2872
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "a48f6e675c4631d5b969073fe23024b6.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:5064

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/3036-1-0x0000000002DC0000-0x0000000002EC0000-memory.dmp

Filesize
1024KB

Download
memory/3036-2-0x00000000049E0000-0x0000000004A2F000-memory.dmp

Filesize
316KB

Download
memory/3036-3-0x0000000000400000-0x0000000002C86000-memory.dmp

Filesize
40.5MB

Download
memory/3036-4-0x0000000000400000-0x0000000002C86000-memory.dmp

Filesize
40.5MB

Download
memory/3036-5-0x00000000049E0000-0x0000000004A2F000-memory.dmp

Filesize
316KB

Download