Malware Analysis Report

2025-05-28 15:16

Sample ID 250517-3d9hrsan8v
Target 2025-05-17_41eb0b74281580cf6b30539bfcb3cc9d_amadey_elex_smoke-loader_stealc_tofsee
SHA256 85632ca2bcbad0d652167cf81c5b6f510ff90ee4c1f1b7c216cb1ec1fdf222c5
Tags
phorphiex discovery loader persistence trojan worm
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V16

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

85632ca2bcbad0d652167cf81c5b6f510ff90ee4c1f1b7c216cb1ec1fdf222c5

Threat Level: Known bad

The file 2025-05-17_41eb0b74281580cf6b30539bfcb3cc9d_amadey_elex_smoke-loader_stealc_tofsee was found to be: Known bad.

Malicious Activity Summary

phorphiex discovery loader persistence trojan worm

Phorphiex family

Phorphiex payload

Phorphiex, Phorpiex

Downloads MZ/PE file

Executes dropped EXE

Adds Run key to start application

Drops file in Windows directory

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-05-17 23:25

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2025-05-17 23:25

Reported

2025-05-17 23:27

Platform

win10v2004-20250502-en

Max time kernel

150s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2025-05-17_41eb0b74281580cf6b30539bfcb3cc9d_amadey_elex_smoke-loader_stealc_tofsee.exe"

Signatures

Phorphiex family

phorphiex

Phorphiex payload

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

Phorphiex, Phorpiex

worm trojan loader phorphiex

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\8E84.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\3284419184.exe N/A
N/A N/A C:\Windows\syscrondvr.exe N/A
N/A N/A C:\Windows\syscrondvr.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Settings = "C:\\Windows\\syscrondvr.exe" C:\Users\Admin\AppData\Local\Temp\3284419184.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\syscrondvr.exe C:\Users\Admin\AppData\Local\Temp\3284419184.exe N/A
File opened for modification C:\Windows\syscrondvr.exe C:\Users\Admin\AppData\Local\Temp\3284419184.exe N/A

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\2025-05-17_41eb0b74281580cf6b30539bfcb3cc9d_amadey_elex_smoke-loader_stealc_tofsee.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\8E84.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\3284419184.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\syscrondvr.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2260 wrote to memory of 1672 N/A C:\Users\Admin\AppData\Local\Temp\2025-05-17_41eb0b74281580cf6b30539bfcb3cc9d_amadey_elex_smoke-loader_stealc_tofsee.exe C:\Users\Admin\AppData\Local\Temp\8E84.exe
PID 2260 wrote to memory of 1672 N/A C:\Users\Admin\AppData\Local\Temp\2025-05-17_41eb0b74281580cf6b30539bfcb3cc9d_amadey_elex_smoke-loader_stealc_tofsee.exe C:\Users\Admin\AppData\Local\Temp\8E84.exe
PID 2260 wrote to memory of 1672 N/A C:\Users\Admin\AppData\Local\Temp\2025-05-17_41eb0b74281580cf6b30539bfcb3cc9d_amadey_elex_smoke-loader_stealc_tofsee.exe C:\Users\Admin\AppData\Local\Temp\8E84.exe
PID 1672 wrote to memory of 3964 N/A C:\Users\Admin\AppData\Local\Temp\8E84.exe C:\Users\Admin\AppData\Local\Temp\3284419184.exe
PID 1672 wrote to memory of 3964 N/A C:\Users\Admin\AppData\Local\Temp\8E84.exe C:\Users\Admin\AppData\Local\Temp\3284419184.exe
PID 1672 wrote to memory of 3964 N/A C:\Users\Admin\AppData\Local\Temp\8E84.exe C:\Users\Admin\AppData\Local\Temp\3284419184.exe
PID 3964 wrote to memory of 3092 N/A C:\Users\Admin\AppData\Local\Temp\3284419184.exe C:\Windows\syscrondvr.exe
PID 3964 wrote to memory of 3092 N/A C:\Users\Admin\AppData\Local\Temp\3284419184.exe C:\Windows\syscrondvr.exe
PID 3964 wrote to memory of 3092 N/A C:\Users\Admin\AppData\Local\Temp\3284419184.exe C:\Windows\syscrondvr.exe
PID 1116 wrote to memory of 2644 N/A C:\Windows\system32\cmd.exe C:\Windows\syscrondvr.exe
PID 1116 wrote to memory of 2644 N/A C:\Windows\system32\cmd.exe C:\Windows\syscrondvr.exe
PID 1116 wrote to memory of 2644 N/A C:\Windows\system32\cmd.exe C:\Windows\syscrondvr.exe

Processes

C:\Users\Admin\AppData\Local\Temp\2025-05-17_41eb0b74281580cf6b30539bfcb3cc9d_amadey_elex_smoke-loader_stealc_tofsee.exe

"C:\Users\Admin\AppData\Local\Temp\2025-05-17_41eb0b74281580cf6b30539bfcb3cc9d_amadey_elex_smoke-loader_stealc_tofsee.exe"

C:\Users\Admin\AppData\Local\Temp\8E84.exe

"C:\Users\Admin\AppData\Local\Temp\8E84.exe"

C:\Users\Admin\AppData\Local\Temp\3284419184.exe

C:\Users\Admin\AppData\Local\Temp\3284419184.exe

C:\Windows\syscrondvr.exe

C:\Windows\syscrondvr.exe

C:\Windows\system32\cmd.exe

C:\Windows\system32\cmd.exe /c C:\Windows\syscrondvr.exe

C:\Windows\syscrondvr.exe

C:\Windows\syscrondvr.exe

Network

Country Destination Domain Proto
UA 185.156.72.39:80 185.156.72.39 tcp
GB 2.18.27.82:443 www.bing.com tcp
GB 2.18.27.82:443 www.bing.com tcp
UA 185.156.72.39:80 185.156.72.39 tcp
UA 185.156.72.39:80 185.156.72.39 tcp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
NL 45.141.233.6:80 45.141.233.6 tcp
US 8.8.8.8:53 c.pki.goog udp
GB 142.250.178.3:80 c.pki.goog tcp
US 8.8.8.8:53 www.update.microsoft.com udp
US 20.72.235.82:80 www.update.microsoft.com tcp
UZ 198.163.193.244:40500 udp
KZ 95.59.73.114:40500 tcp
SY 95.212.11.245:40500 udp
KZ 92.47.62.86:40500 udp
DZ 197.201.159.183:40500 udp
UZ 217.30.163.6:40500 udp
DZ 41.200.179.55:40500 udp
KZ 5.63.82.108:40500 tcp
KG 212.112.121.59:40500 udp
SY 178.253.102.221:40500 udp
IR 93.115.239.2:40500 udp
KZ 89.218.186.142:40500 udp
SY 185.197.23.109:40500 udp
YE 178.130.123.186:40500 tcp
SY 37.48.169.85:40500 udp
RU 46.159.35.142:40500 udp
YE 89.189.81.90:40500 udp
KZ 178.89.16.200:40500 udp
KG 212.112.97.125:40500 udp
SG 216.107.138.162:40500 tcp

Files

C:\Users\Admin\AppData\Local\Temp\8E84.exe

MD5 0ec46393976eb51f307cc11d80bae845
SHA1 69d4cb168f3a1b97c37a0ba1519d0adb1ff7e245
SHA256 252171bdaa35d19f872c165e861b03d347a4afb85d7a03d02f8eae09d191038d
SHA512 803351760e3c422e4825103235e13085004b3418b483a2c646aafaef62b7212a1ba4ed28469134a236c5b6121e6a748ba958bbae2dbe4afe9f9f45704928d31f

C:\Users\Admin\AppData\Local\Temp\3284419184.exe

MD5 f30fdbf3448f67cbc3566f31729cb7a6
SHA1 fbf005c38f4a1c2e86817a2cb70406fc241f2c90
SHA256 81783b558904becc5b86553faba9525070de5f43339766eb1c025bcfbfe1eef8
SHA512 b428df2c8f8b4a002c8d7e1bfd9926e5cf95ee998688a2c360b8551e80be5bfbfa17ef210bea35f247da4a5c8a940fb5dba49f4786da9a74e5d001b771c8e9a8