Malware Analysis Report

2024-08-06 14:53

Sample ID 240619-kne3ssxdqf
Target Xujamon_LetThereBeNightingale.exe
SHA256 81e99ca58577796d708d682e7a3807f507d9f650307a15033835116c28b149f7
Tags
phemedrone stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

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

81e99ca58577796d708d682e7a3807f507d9f650307a15033835116c28b149f7

Threat Level: Known bad

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

Malicious Activity Summary

phemedrone stealer

Phemedrone family

Phemedrone

Unsigned PE

Modifies registry class

Suspicious use of WriteProcessMemory

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-19 08:44

Signatures

Phemedrone family

phemedrone

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-19 08:44

Reported

2024-06-19 08:47

Platform

win7-20240611-en

Max time kernel

121s

Max time network

122s

Command Line

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

Signatures

Phemedrone

stealer phemedrone

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000_CLASSES\ms-settings\shell\open\command C:\Users\Admin\AppData\Local\Temp\Xujamon_LetThereBeNightingale.exe N/A
Key created \REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000_CLASSES\ms-settings C:\Users\Admin\AppData\Local\Temp\Xujamon_LetThereBeNightingale.exe N/A
Key created \REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000_CLASSES\ms-settings\shell C:\Users\Admin\AppData\Local\Temp\Xujamon_LetThereBeNightingale.exe N/A
Key created \REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000_CLASSES\ms-settings\shell\open C:\Users\Admin\AppData\Local\Temp\Xujamon_LetThereBeNightingale.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000_CLASSES\ms-settings\shell\open\command\ C:\Users\Admin\AppData\Local\Temp\Xujamon_LetThereBeNightingale.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2072 wrote to memory of 2608 N/A C:\Users\Admin\AppData\Local\Temp\Xujamon_LetThereBeNightingale.exe C:\Windows\system32\WerFault.exe
PID 2072 wrote to memory of 2608 N/A C:\Users\Admin\AppData\Local\Temp\Xujamon_LetThereBeNightingale.exe C:\Windows\system32\WerFault.exe
PID 2072 wrote to memory of 2608 N/A C:\Users\Admin\AppData\Local\Temp\Xujamon_LetThereBeNightingale.exe C:\Windows\system32\WerFault.exe

Processes

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

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

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 2072 -s 636

Network

N/A

Files

memory/2072-0-0x000007FEF55A3000-0x000007FEF55A4000-memory.dmp

memory/2072-1-0x0000000001320000-0x000000000134A000-memory.dmp

memory/2072-2-0x000007FEF55A0000-0x000007FEF5F8C000-memory.dmp

memory/2072-3-0x000007FEF55A3000-0x000007FEF55A4000-memory.dmp

memory/2072-4-0x000007FEF55A0000-0x000007FEF5F8C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-19 08:44

Reported

2024-06-19 08:47

Platform

win10v2004-20240611-en

Max time kernel

132s

Max time network

147s

Command Line

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

Signatures

Phemedrone

stealer phemedrone

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-200405930-3877336739-3533750831-1000_Classes\ms-settings\shell\open C:\Users\Admin\AppData\Local\Temp\Xujamon_LetThereBeNightingale.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-200405930-3877336739-3533750831-1000_Classes\ms-settings\shell\open\command\ C:\Users\Admin\AppData\Local\Temp\Xujamon_LetThereBeNightingale.exe N/A
Key created \REGISTRY\USER\S-1-5-21-200405930-3877336739-3533750831-1000_Classes\ms-settings\shell\open\command C:\Users\Admin\AppData\Local\Temp\Xujamon_LetThereBeNightingale.exe N/A
Key created \REGISTRY\USER\S-1-5-21-200405930-3877336739-3533750831-1000_Classes\ms-settings C:\Users\Admin\AppData\Local\Temp\Xujamon_LetThereBeNightingale.exe N/A
Key created \REGISTRY\USER\S-1-5-21-200405930-3877336739-3533750831-1000_Classes\ms-settings\shell C:\Users\Admin\AppData\Local\Temp\Xujamon_LetThereBeNightingale.exe N/A

Processes

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 107.90.14.23.in-addr.arpa udp
BE 88.221.83.200:443 www.bing.com tcp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 74.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
US 8.8.8.8:53 175.117.168.52.in-addr.arpa udp

Files

memory/3296-0-0x00007FFB523E3000-0x00007FFB523E5000-memory.dmp

memory/3296-1-0x0000028329E30000-0x0000028329E5A000-memory.dmp

memory/3296-2-0x00007FFB523E0000-0x00007FFB52EA1000-memory.dmp

memory/3296-3-0x00007FFB523E0000-0x00007FFB52EA1000-memory.dmp