Malware Analysis Report

2025-01-02 09:37

Sample ID 240508-ewyxzsab91
Target c355e5eb90c4bcdc21b4060230feca6e11b8c8573d5f9a067e429f254cd42a94
SHA256 c355e5eb90c4bcdc21b4060230feca6e11b8c8573d5f9a067e429f254cd42a94
Tags
gcleaner loader
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

c355e5eb90c4bcdc21b4060230feca6e11b8c8573d5f9a067e429f254cd42a94

Threat Level: Known bad

The file c355e5eb90c4bcdc21b4060230feca6e11b8c8573d5f9a067e429f254cd42a94 was found to be: Known bad.

Malicious Activity Summary

gcleaner loader

GCleaner

Executes dropped EXE

Loads dropped DLL

Unsigned PE

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-05-08 04:18

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-08 04:18

Reported

2024-05-08 04:20

Platform

win7-20240221-en

Max time kernel

145s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c355e5eb90c4bcdc21b4060230feca6e11b8c8573d5f9a067e429f254cd42a94.exe"

Signatures

GCleaner

loader gcleaner

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\bm3cT7F.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c355e5eb90c4bcdc21b4060230feca6e11b8c8573d5f9a067e429f254cd42a94.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\c355e5eb90c4bcdc21b4060230feca6e11b8c8573d5f9a067e429f254cd42a94.exe

"C:\Users\Admin\AppData\Local\Temp\c355e5eb90c4bcdc21b4060230feca6e11b8c8573d5f9a067e429f254cd42a94.exe"

C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\bm3cT7F.exe

Network

Country Destination Domain Proto
NL 45.12.253.56:80 tcp
NL 45.12.253.56:80 tcp
NL 45.12.253.56:80 tcp
NL 45.12.253.56:80 tcp
NL 45.12.253.56:80 tcp
NL 45.12.253.56:80 tcp
NL 45.12.253.56:80 tcp

Files

memory/2868-0-0x0000000000400000-0x0000000001398000-memory.dmp

memory/2868-2-0x0000000000400000-0x0000000000456000-memory.dmp

memory/2868-1-0x0000000000400000-0x0000000001398000-memory.dmp

\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\bm3cT7F.exe

MD5 3fb36cb0b7172e5298d2992d42984d06
SHA1 439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA256 27ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA512 6b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c

memory/2868-8-0x0000000000400000-0x0000000001398000-memory.dmp

memory/2868-10-0x0000000000400000-0x0000000000456000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-08 04:18

Reported

2024-05-08 04:20

Platform

win10v2004-20240419-en

Max time kernel

142s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c355e5eb90c4bcdc21b4060230feca6e11b8c8573d5f9a067e429f254cd42a94.exe"

Signatures

GCleaner

loader gcleaner

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\{92604cb9-fe5d-11ee-b367-806e6f6e6963}\KWmL80ogVykIB.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c355e5eb90c4bcdc21b4060230feca6e11b8c8573d5f9a067e429f254cd42a94.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\c355e5eb90c4bcdc21b4060230feca6e11b8c8573d5f9a067e429f254cd42a94.exe

"C:\Users\Admin\AppData\Local\Temp\c355e5eb90c4bcdc21b4060230feca6e11b8c8573d5f9a067e429f254cd42a94.exe"

C:\Users\Admin\AppData\Roaming\{92604cb9-fe5d-11ee-b367-806e6f6e6963}\KWmL80ogVykIB.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
NL 23.62.61.194:443 www.bing.com tcp
NL 45.12.253.56:80 tcp
NL 23.62.61.194:443 www.bing.com tcp
US 8.8.8.8:53 2.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 194.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
NL 45.12.253.56:80 tcp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 139.53.16.96.in-addr.arpa udp
NL 45.12.253.56:80 tcp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 49.15.97.104.in-addr.arpa udp
NL 45.12.253.56:80 tcp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
NL 45.12.253.56:80 tcp
NL 45.12.253.56:80 tcp

Files

memory/1248-1-0x0000000000400000-0x0000000001398000-memory.dmp

memory/1248-0-0x0000000000400000-0x0000000001398000-memory.dmp

memory/1248-2-0x0000000000400000-0x0000000000456000-memory.dmp

C:\Users\Admin\AppData\Roaming\{92604cb9-fe5d-11ee-b367-806e6f6e6963}\KWmL80ogVykIB.exe

MD5 3fb36cb0b7172e5298d2992d42984d06
SHA1 439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA256 27ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA512 6b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c

memory/1248-7-0x0000000000400000-0x0000000001398000-memory.dmp

memory/1248-9-0x0000000000400000-0x0000000000456000-memory.dmp