gcleaner | 89cfbdb9bb8613b4d86426bc61d463ae29759690b567bc276cd0dc21a501a629

Analysis

max time kernel
121s
max time network
121s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
24-05-2024 00:40

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General

Target

89cfbdb9bb8613b4d86426bc61d463ae29759690b567bc276cd0dc21a501a629.exe
Size

268KB
MD5

d4b94a173c3eacbb022ccbaba87776be
SHA1

e2988c96e704dff7d014fe07d338fba1d950606f
SHA256

89cfbdb9bb8613b4d86426bc61d463ae29759690b567bc276cd0dc21a501a629
SHA512

e85d1951184e745f4cca76c121a701e13a117a7cc5283de892c002237437534454a8d22bae90507c8077783605d60a00afb10b67c11c11e84bdd16deb12c48dc
SSDEEP

3072:AsI+xXnB+elCdDz/Iyp9YoBNuswQMrGh5EHFSOdz09aCm5tlIOCX:c+qVdnz9YYksrMqGUOdoQpO

Score

10^/10

gcleaner loader

Malware Config

Extracted

Family

gcleaner

185.172.128.90

5.42.65.64

Attributes

url_path
/advdlc.php

Signatures

GCleaner
GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.
loader gcleaner
Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

2968 cmd.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

Processes:

taskkill.exe

pid process

2656 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 2656 taskkill.exe

pid	process
2968	cmd.exe

pid	process
2656	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	2656	taskkill.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

89cfbdb9bb8613b4d86426bc61d463ae29759690b567bc276cd0dc21a501a629.execmd.exe

description	pid	process	target process
PID 856 wrote to memory of 2968	856	89cfbdb9bb8613b4d86426bc61d463ae29759690b567bc276cd0dc21a501a629.exe	cmd.exe
PID 856 wrote to memory of 2968	856	89cfbdb9bb8613b4d86426bc61d463ae29759690b567bc276cd0dc21a501a629.exe	cmd.exe
PID 856 wrote to memory of 2968	856	89cfbdb9bb8613b4d86426bc61d463ae29759690b567bc276cd0dc21a501a629.exe	cmd.exe
PID 856 wrote to memory of 2968	856	89cfbdb9bb8613b4d86426bc61d463ae29759690b567bc276cd0dc21a501a629.exe	cmd.exe
PID 2968 wrote to memory of 2656	2968	cmd.exe	taskkill.exe
PID 2968 wrote to memory of 2656	2968	cmd.exe	taskkill.exe
PID 2968 wrote to memory of 2656	2968	cmd.exe	taskkill.exe
PID 2968 wrote to memory of 2656	2968	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\89cfbdb9bb8613b4d86426bc61d463ae29759690b567bc276cd0dc21a501a629.exe
"C:\Users\Admin\AppData\Local\Temp\89cfbdb9bb8613b4d86426bc61d463ae29759690b567bc276cd0dc21a501a629.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:856

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "89cfbdb9bb8613b4d86426bc61d463ae29759690b567bc276cd0dc21a501a629.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\89cfbdb9bb8613b4d86426bc61d463ae29759690b567bc276cd0dc21a501a629.exe" & exit
2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:2968

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "89cfbdb9bb8613b4d86426bc61d463ae29759690b567bc276cd0dc21a501a629.exe" /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2656

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/856-3-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/856-2-0x00000000002E0000-0x000000000030D000-memory.dmp

Filesize
180KB

Download
memory/856-1-0x00000000027B0000-0x00000000028B0000-memory.dmp

Filesize
1024KB

Download
memory/856-7-0x00000000027B0000-0x00000000028B0000-memory.dmp

Filesize
1024KB

Download
memory/856-6-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/856-5-0x0000000000400000-0x0000000002730000-memory.dmp

Filesize
35.2MB

Download