Malware Analysis Report

2024-08-06 14:55

Sample ID 240619-b7mgjs1hjc
Target de9738bd66cf075e2de53f21c2bcc5b79709c68e7899e9ce3c045ff485e8d499.exe
SHA256 de9738bd66cf075e2de53f21c2bcc5b79709c68e7899e9ce3c045ff485e8d499
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

de9738bd66cf075e2de53f21c2bcc5b79709c68e7899e9ce3c045ff485e8d499

Threat Level: Known bad

The file de9738bd66cf075e2de53f21c2bcc5b79709c68e7899e9ce3c045ff485e8d499.exe was found to be: Known bad.

Malicious Activity Summary

phemedrone stealer

Phemedrone

Phemedrone family

Unsigned PE

Modifies registry class

Suspicious use of WriteProcessMemory

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-19 01:47

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 01:47

Reported

2024-06-19 01:49

Platform

win7-20231129-en

Max time kernel

118s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\de9738bd66cf075e2de53f21c2bcc5b79709c68e7899e9ce3c045ff485e8d499.exe"

Signatures

Phemedrone

stealer phemedrone

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\ms-settings C:\Users\Admin\AppData\Local\Temp\de9738bd66cf075e2de53f21c2bcc5b79709c68e7899e9ce3c045ff485e8d499.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\ms-settings\shell C:\Users\Admin\AppData\Local\Temp\de9738bd66cf075e2de53f21c2bcc5b79709c68e7899e9ce3c045ff485e8d499.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\ms-settings\shell\open C:\Users\Admin\AppData\Local\Temp\de9738bd66cf075e2de53f21c2bcc5b79709c68e7899e9ce3c045ff485e8d499.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\ms-settings\shell\open\command\ C:\Users\Admin\AppData\Local\Temp\de9738bd66cf075e2de53f21c2bcc5b79709c68e7899e9ce3c045ff485e8d499.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\ms-settings\shell\open\command C:\Users\Admin\AppData\Local\Temp\de9738bd66cf075e2de53f21c2bcc5b79709c68e7899e9ce3c045ff485e8d499.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3060 wrote to memory of 3056 N/A C:\Users\Admin\AppData\Local\Temp\de9738bd66cf075e2de53f21c2bcc5b79709c68e7899e9ce3c045ff485e8d499.exe C:\Windows\system32\WerFault.exe
PID 3060 wrote to memory of 3056 N/A C:\Users\Admin\AppData\Local\Temp\de9738bd66cf075e2de53f21c2bcc5b79709c68e7899e9ce3c045ff485e8d499.exe C:\Windows\system32\WerFault.exe
PID 3060 wrote to memory of 3056 N/A C:\Users\Admin\AppData\Local\Temp\de9738bd66cf075e2de53f21c2bcc5b79709c68e7899e9ce3c045ff485e8d499.exe C:\Windows\system32\WerFault.exe

Processes

C:\Users\Admin\AppData\Local\Temp\de9738bd66cf075e2de53f21c2bcc5b79709c68e7899e9ce3c045ff485e8d499.exe

"C:\Users\Admin\AppData\Local\Temp\de9738bd66cf075e2de53f21c2bcc5b79709c68e7899e9ce3c045ff485e8d499.exe"

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 3060 -s 640

Network

N/A

Files

memory/3060-0-0x000007FEF5AD3000-0x000007FEF5AD4000-memory.dmp

memory/3060-1-0x0000000000D30000-0x0000000000D5A000-memory.dmp

memory/3060-2-0x000007FEF5AD0000-0x000007FEF64BC000-memory.dmp

memory/3060-3-0x000007FEF5AD3000-0x000007FEF5AD4000-memory.dmp

memory/3060-4-0x000007FEF5AD0000-0x000007FEF64BC000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-19 01:47

Reported

2024-06-19 01:49

Platform

win10v2004-20240508-en

Max time kernel

150s

Max time network

51s

Command Line

"C:\Users\Admin\AppData\Local\Temp\de9738bd66cf075e2de53f21c2bcc5b79709c68e7899e9ce3c045ff485e8d499.exe"

Signatures

Phemedrone

stealer phemedrone

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000_Classes\ms-settings\shell\open C:\Users\Admin\AppData\Local\Temp\de9738bd66cf075e2de53f21c2bcc5b79709c68e7899e9ce3c045ff485e8d499.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000_Classes\ms-settings\shell\open\command\ C:\Users\Admin\AppData\Local\Temp\de9738bd66cf075e2de53f21c2bcc5b79709c68e7899e9ce3c045ff485e8d499.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000_Classes\ms-settings\shell\open\command C:\Users\Admin\AppData\Local\Temp\de9738bd66cf075e2de53f21c2bcc5b79709c68e7899e9ce3c045ff485e8d499.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000_Classes\ms-settings C:\Users\Admin\AppData\Local\Temp\de9738bd66cf075e2de53f21c2bcc5b79709c68e7899e9ce3c045ff485e8d499.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000_Classes\ms-settings\shell C:\Users\Admin\AppData\Local\Temp\de9738bd66cf075e2de53f21c2bcc5b79709c68e7899e9ce3c045ff485e8d499.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\de9738bd66cf075e2de53f21c2bcc5b79709c68e7899e9ce3c045ff485e8d499.exe

"C:\Users\Admin\AppData\Local\Temp\de9738bd66cf075e2de53f21c2bcc5b79709c68e7899e9ce3c045ff485e8d499.exe"

Network

Files

memory/1876-0-0x00007FFE23A13000-0x00007FFE23A15000-memory.dmp

memory/1876-1-0x00000243FA2E0000-0x00000243FA30A000-memory.dmp

memory/1876-2-0x00007FFE23A10000-0x00007FFE244D1000-memory.dmp

memory/1876-3-0x00007FFE23A13000-0x00007FFE23A15000-memory.dmp

memory/1876-4-0x00007FFE23A10000-0x00007FFE244D1000-memory.dmp