gcleaner | a65ffeb8826e3acc5b8ee765897314b85dd599767d0eee6521caa58071a52a3f

Analysis

max time kernel
120s
max time network
127s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
17/06/2024, 00:41

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General

Target

a65ffeb8826e3acc5b8ee765897314b85dd599767d0eee6521caa58071a52a3f.exe
Size

351KB
MD5

763fcbe3425a2abfb6ee647122e74c72
SHA1

72a7ef3e5d89bc2ceb9ec2a89b2a8b1c9dd4226e
SHA256

a65ffeb8826e3acc5b8ee765897314b85dd599767d0eee6521caa58071a52a3f
SHA512

cd969661c4d6edcf4053253614c6571936071fe0c606e5c42734caa199628a3241ac86e1308a80dbd83101e39129f2a793ca32775fa315ad70e65fd2009092a5
SSDEEP

6144:0Fb0nnixOAznhuYjahPmMBLbM9X32IOujTB:0anixOenR+hPPBcx2/s

Score

10^/10

gcleaner loader

Malware Config

Extracted

Family

gcleaner

185.172.128.90

185.172.128.69

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

pid	Process
2792	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

pid	Process
2808	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2808	taskkill.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2416 wrote to memory of 2792	2416	a65ffeb8826e3acc5b8ee765897314b85dd599767d0eee6521caa58071a52a3f.exe	32
PID 2416 wrote to memory of 2792	2416	a65ffeb8826e3acc5b8ee765897314b85dd599767d0eee6521caa58071a52a3f.exe	32
PID 2416 wrote to memory of 2792	2416	a65ffeb8826e3acc5b8ee765897314b85dd599767d0eee6521caa58071a52a3f.exe	32
PID 2416 wrote to memory of 2792	2416	a65ffeb8826e3acc5b8ee765897314b85dd599767d0eee6521caa58071a52a3f.exe	32
PID 2792 wrote to memory of 2808	2792	cmd.exe	34
PID 2792 wrote to memory of 2808	2792	cmd.exe	34
PID 2792 wrote to memory of 2808	2792	cmd.exe	34
PID 2792 wrote to memory of 2808	2792	cmd.exe	34

C:\Users\Admin\AppData\Local\Temp\a65ffeb8826e3acc5b8ee765897314b85dd599767d0eee6521caa58071a52a3f.exe
"C:\Users\Admin\AppData\Local\Temp\a65ffeb8826e3acc5b8ee765897314b85dd599767d0eee6521caa58071a52a3f.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2416
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "a65ffeb8826e3acc5b8ee765897314b85dd599767d0eee6521caa58071a52a3f.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\a65ffeb8826e3acc5b8ee765897314b85dd599767d0eee6521caa58071a52a3f.exe" & exit
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:2792
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "a65ffeb8826e3acc5b8ee765897314b85dd599767d0eee6521caa58071a52a3f.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2808

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\R3JK00ZJ\advdlc[1].htm

Filesize
1B

MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

Download Submit
memory/2416-1-0x00000000005C0000-0x00000000006C0000-memory.dmp

Filesize
1024KB

Download
memory/2416-3-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2416-2-0x0000000000220000-0x000000000024D000-memory.dmp

Filesize
180KB

Download
memory/2416-9-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/2416-12-0x00000000005C0000-0x00000000006C0000-memory.dmp

Filesize
1024KB

Download
memory/2416-15-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2416-21-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/2416-22-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2416-23-0x00000000005C0000-0x00000000006C0000-memory.dmp

Filesize
1024KB

Download