Malware Analysis Report

2025-01-02 09:33

Sample ID 240508-3b14lsfe56
Target 78ed1c3c4674c3b479c13bb3fc1ee01e030353a03fdb78f1c91c1a5f4bfed9a9
SHA256 78ed1c3c4674c3b479c13bb3fc1ee01e030353a03fdb78f1c91c1a5f4bfed9a9
Tags
gcleaner loader
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

78ed1c3c4674c3b479c13bb3fc1ee01e030353a03fdb78f1c91c1a5f4bfed9a9

Threat Level: Known bad

The file 78ed1c3c4674c3b479c13bb3fc1ee01e030353a03fdb78f1c91c1a5f4bfed9a9 was found to be: Known bad.

Malicious Activity Summary

gcleaner loader

GCleaner

Enumerates physical storage devices

Program crash

Unsigned PE

Kills process with taskkill

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-08 23:21

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-08 23:21

Reported

2024-05-08 23:26

Platform

win7-20240221-en

Max time kernel

122s

Max time network

126s

Command Line

"C:\Users\Admin\AppData\Local\Temp\78ed1c3c4674c3b479c13bb3fc1ee01e030353a03fdb78f1c91c1a5f4bfed9a9.exe"

Signatures

GCleaner

loader gcleaner

Enumerates physical storage devices

Kills process with taskkill

evasion
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\taskkill.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\taskkill.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\78ed1c3c4674c3b479c13bb3fc1ee01e030353a03fdb78f1c91c1a5f4bfed9a9.exe

"C:\Users\Admin\AppData\Local\Temp\78ed1c3c4674c3b479c13bb3fc1ee01e030353a03fdb78f1c91c1a5f4bfed9a9.exe"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "78ed1c3c4674c3b479c13bb3fc1ee01e030353a03fdb78f1c91c1a5f4bfed9a9.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\78ed1c3c4674c3b479c13bb3fc1ee01e030353a03fdb78f1c91c1a5f4bfed9a9.exe" & exit

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "78ed1c3c4674c3b479c13bb3fc1ee01e030353a03fdb78f1c91c1a5f4bfed9a9.exe" /f

Network

Country Destination Domain Proto
DE 185.172.128.90:80 185.172.128.90 tcp

Files

memory/2868-1-0x0000000000400000-0x0000000001A09000-memory.dmp

memory/2868-2-0x0000000000400000-0x0000000001A09000-memory.dmp

memory/2868-4-0x0000000000400000-0x0000000001A09000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-08 23:21

Reported

2024-05-08 23:26

Platform

win10-20240404-en

Max time kernel

194s

Max time network

299s

Command Line

"C:\Users\Admin\AppData\Local\Temp\78ed1c3c4674c3b479c13bb3fc1ee01e030353a03fdb78f1c91c1a5f4bfed9a9.exe"

Signatures

GCleaner

loader gcleaner

Enumerates physical storage devices

Kills process with taskkill

evasion
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\taskkill.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\taskkill.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\78ed1c3c4674c3b479c13bb3fc1ee01e030353a03fdb78f1c91c1a5f4bfed9a9.exe

"C:\Users\Admin\AppData\Local\Temp\78ed1c3c4674c3b479c13bb3fc1ee01e030353a03fdb78f1c91c1a5f4bfed9a9.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3484 -s 760

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3484 -s 808

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3484 -s 724

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3484 -s 944

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3484 -s 920

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3484 -s 1112

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3484 -s 1124

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3484 -s 1276

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "78ed1c3c4674c3b479c13bb3fc1ee01e030353a03fdb78f1c91c1a5f4bfed9a9.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\78ed1c3c4674c3b479c13bb3fc1ee01e030353a03fdb78f1c91c1a5f4bfed9a9.exe" & exit

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "78ed1c3c4674c3b479c13bb3fc1ee01e030353a03fdb78f1c91c1a5f4bfed9a9.exe" /f

Network

Country Destination Domain Proto
DE 185.172.128.90:80 185.172.128.90 tcp
US 8.8.8.8:53 90.128.172.185.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 77.190.18.2.in-addr.arpa udp

Files

memory/3484-3-0x0000000000400000-0x000000000042F000-memory.dmp

memory/3484-2-0x0000000001C50000-0x0000000001C7D000-memory.dmp

memory/3484-1-0x0000000001CD0000-0x0000000001DD0000-memory.dmp

memory/3484-6-0x0000000000400000-0x000000000042F000-memory.dmp

memory/3484-5-0x0000000000400000-0x0000000001A09000-memory.dmp