gcleaner | e20d8500c29a288d9ba280531651ad74c81cfc4c77a95bc4f08cce232ff1b6aa

Analysis

max time kernel
119s
max time network
123s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
20/07/2023, 03:40

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

e20d8500c29a288d9ba280531651ad74c81cfc4c77a95bc4f08cce232ff1b6aa.exe
Size

328KB
MD5

e2c4d15d52ad163feff9485adf5d577d
SHA1

0de8e73173ed7791250242fe1521554f38bcfd36
SHA256

e20d8500c29a288d9ba280531651ad74c81cfc4c77a95bc4f08cce232ff1b6aa
SHA512

f41b5d2a54f8daa92fe7eba64df51ee71c38b94adcb829236f4517016b90845e23af74e4dedfc6ee3d986e56542afb5f20e5974eeef30d81f9a5f6e60a8758e4
SSDEEP

6144:GZy8qgW5ixeelIUsI4lmCfm7fpdWNgwOE/Caf:AfqgWEDlIUaIg6d0bO7W

Score

10^/10

gcleaner loader

Malware Config

Extracted

Family

gcleaner

45.12.253.56

45.12.253.72

45.12.253.98

45.12.253.75

Signatures

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

Deletes itself 1 IoCs

pid	Process
2872	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
2984	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2984	taskkill.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1064 wrote to memory of 2872	1064	e20d8500c29a288d9ba280531651ad74c81cfc4c77a95bc4f08cce232ff1b6aa.exe	28
PID 1064 wrote to memory of 2872	1064	e20d8500c29a288d9ba280531651ad74c81cfc4c77a95bc4f08cce232ff1b6aa.exe	28
PID 1064 wrote to memory of 2872	1064	e20d8500c29a288d9ba280531651ad74c81cfc4c77a95bc4f08cce232ff1b6aa.exe	28
PID 1064 wrote to memory of 2872	1064	e20d8500c29a288d9ba280531651ad74c81cfc4c77a95bc4f08cce232ff1b6aa.exe	28
PID 2872 wrote to memory of 2984	2872	cmd.exe	30
PID 2872 wrote to memory of 2984	2872	cmd.exe	30
PID 2872 wrote to memory of 2984	2872	cmd.exe	30
PID 2872 wrote to memory of 2984	2872	cmd.exe	30

C:\Users\Admin\AppData\Local\Temp\e20d8500c29a288d9ba280531651ad74c81cfc4c77a95bc4f08cce232ff1b6aa.exe
"C:\Users\Admin\AppData\Local\Temp\e20d8500c29a288d9ba280531651ad74c81cfc4c77a95bc4f08cce232ff1b6aa.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1064
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "e20d8500c29a288d9ba280531651ad74c81cfc4c77a95bc4f08cce232ff1b6aa.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\e20d8500c29a288d9ba280531651ad74c81cfc4c77a95bc4f08cce232ff1b6aa.exe" & exit
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:2872
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "e20d8500c29a288d9ba280531651ad74c81cfc4c77a95bc4f08cce232ff1b6aa.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2984

Network

MITRE ATT&CK Enterprise v6

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

Loading Replay Monitor...

Downloads

memory/1064-55-0x0000000002D10000-0x0000000002E10000-memory.dmp

Filesize
1024KB

Download
memory/1064-57-0x0000000000220000-0x0000000000260000-memory.dmp

Filesize
256KB

Download
memory/1064-56-0x0000000000400000-0x0000000002B5D000-memory.dmp

Filesize
39.4MB

Download
memory/1064-59-0x0000000000400000-0x0000000002B5D000-memory.dmp

Filesize
39.4MB

Download
memory/1064-60-0x0000000002D10000-0x0000000002E10000-memory.dmp

Filesize
1024KB

Download