Malware Analysis Report

2024-12-06 03:04

Sample ID 241120-qgjqas1rbl
Target d2466a6cb196042b1584959065b5ccb4d5f3eff5687ed2f1215095ffea3ed052.exe
SHA256 d2466a6cb196042b1584959065b5ccb4d5f3eff5687ed2f1215095ffea3ed052
Tags
discovery guloader downloader
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

d2466a6cb196042b1584959065b5ccb4d5f3eff5687ed2f1215095ffea3ed052

Threat Level: Known bad

The file d2466a6cb196042b1584959065b5ccb4d5f3eff5687ed2f1215095ffea3ed052.exe was found to be: Known bad.

Malicious Activity Summary

discovery guloader downloader

Guloader family

Guloader,Cloudeye

Loads dropped DLL

Legitimate hosting services abused for malware hosting/C2

Suspicious use of NtSetInformationThreadHideFromDebugger

Suspicious use of SetThreadContext

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Program crash

NSIS installer

Suspicious behavior: MapViewOfSection

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-20 13:13

Signatures

NSIS installer

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-20 13:13

Reported

2024-11-20 13:16

Platform

win7-20240903-en

Max time kernel

118s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d2466a6cb196042b1584959065b5ccb4d5f3eff5687ed2f1215095ffea3ed052.exe"

Signatures

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\d2466a6cb196042b1584959065b5ccb4d5f3eff5687ed2f1215095ffea3ed052.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\d2466a6cb196042b1584959065b5ccb4d5f3eff5687ed2f1215095ffea3ed052.exe

"C:\Users\Admin\AppData\Local\Temp\d2466a6cb196042b1584959065b5ccb4d5f3eff5687ed2f1215095ffea3ed052.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2120 -s 476

Network

N/A

Files

\Users\Admin\AppData\Local\Temp\nsdC90A.tmp\System.dll

MD5 dd87a973e01c5d9f8e0fcc81a0af7c7a
SHA1 c9206ced48d1e5bc648b1d0f54cccc18bf643a14
SHA256 7fb0f8d452fefaac789986b933df050f3d3e4feb8a8d9944ada995f572dcdca1
SHA512 4910b39b1a99622ac8b3c42f173bbe7035ac2f8d40c946468e7db7e2868a2da81ea94da453857f06f39957dd690c7f1ba498936a7aaa0039975e472376f92e8f

memory/2120-16-0x0000000003590000-0x0000000004636000-memory.dmp

memory/2120-17-0x0000000003590000-0x0000000004636000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-20 13:13

Reported

2024-11-20 13:16

Platform

win10v2004-20241007-en

Max time kernel

149s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d2466a6cb196042b1584959065b5ccb4d5f3eff5687ed2f1215095ffea3ed052.exe"

Signatures

Guloader family

guloader

Guloader,Cloudeye

downloader guloader

Legitimate hosting services abused for malware hosting/C2

Description Indicator Process Target
N/A drive.google.com N/A N/A
N/A drive.google.com N/A N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\d2466a6cb196042b1584959065b5ccb4d5f3eff5687ed2f1215095ffea3ed052.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\d2466a6cb196042b1584959065b5ccb4d5f3eff5687ed2f1215095ffea3ed052.exe N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\d2466a6cb196042b1584959065b5ccb4d5f3eff5687ed2f1215095ffea3ed052.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\d2466a6cb196042b1584959065b5ccb4d5f3eff5687ed2f1215095ffea3ed052.exe

"C:\Users\Admin\AppData\Local\Temp\d2466a6cb196042b1584959065b5ccb4d5f3eff5687ed2f1215095ffea3ed052.exe"

C:\Users\Admin\AppData\Local\Temp\d2466a6cb196042b1584959065b5ccb4d5f3eff5687ed2f1215095ffea3ed052.exe

"C:\Users\Admin\AppData\Local\Temp\d2466a6cb196042b1584959065b5ccb4d5f3eff5687ed2f1215095ffea3ed052.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 138.136.73.23.in-addr.arpa udp
US 8.8.8.8:53 17.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 drive.google.com udp
GB 142.250.180.14:443 drive.google.com tcp
US 8.8.8.8:53 c.pki.goog udp
GB 142.250.200.3:80 c.pki.goog tcp
US 8.8.8.8:53 o.pki.goog udp
GB 142.250.200.3:80 o.pki.goog tcp
US 8.8.8.8:53 drive.usercontent.google.com udp
GB 142.250.179.225:443 drive.usercontent.google.com tcp
US 8.8.8.8:53 14.180.250.142.in-addr.arpa udp
US 8.8.8.8:53 3.200.250.142.in-addr.arpa udp
US 8.8.8.8:53 225.179.250.142.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 96.136.73.23.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\nsvA0A6.tmp\System.dll

MD5 dd87a973e01c5d9f8e0fcc81a0af7c7a
SHA1 c9206ced48d1e5bc648b1d0f54cccc18bf643a14
SHA256 7fb0f8d452fefaac789986b933df050f3d3e4feb8a8d9944ada995f572dcdca1
SHA512 4910b39b1a99622ac8b3c42f173bbe7035ac2f8d40c946468e7db7e2868a2da81ea94da453857f06f39957dd690c7f1ba498936a7aaa0039975e472376f92e8f

memory/4824-14-0x00000000031B0000-0x0000000004256000-memory.dmp

memory/4824-15-0x0000000077161000-0x0000000077281000-memory.dmp

memory/4824-16-0x0000000074605000-0x0000000074606000-memory.dmp

memory/4824-17-0x00000000031B0000-0x0000000004256000-memory.dmp

memory/4824-18-0x00000000031B0000-0x0000000004256000-memory.dmp

memory/2776-19-0x0000000000400000-0x0000000001654000-memory.dmp

memory/2776-20-0x0000000001660000-0x0000000002706000-memory.dmp

memory/2776-21-0x00000000771E8000-0x00000000771E9000-memory.dmp

memory/2776-22-0x0000000077205000-0x0000000077206000-memory.dmp

memory/2776-35-0x0000000001660000-0x0000000002706000-memory.dmp

memory/2776-36-0x0000000000400000-0x0000000001654000-memory.dmp

memory/2776-37-0x0000000077161000-0x0000000077281000-memory.dmp