Malware Analysis Report

2025-05-28 15:16

Sample ID 250517-1py53ahj5z
Target 2025-05-17_2eb13bcb81ca0309244977aa14554309_amadey_elex_gcleaner_konni_smoke-loader_stealc_tofsee
SHA256 3113682a687281497ae631a4824c7e0dbf7ce25c1dad01c9df181326c401d3bb
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

3113682a687281497ae631a4824c7e0dbf7ce25c1dad01c9df181326c401d3bb

Threat Level: Known bad

The file 2025-05-17_2eb13bcb81ca0309244977aa14554309_amadey_elex_gcleaner_konni_smoke-loader_stealc_tofsee was found to be: Known bad.

Malicious Activity Summary

phorphiex discovery loader persistence trojan worm

Phorphiex payload

Phorphiex family

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

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-05-17 21:50

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2025-05-17 21:50

Reported

2025-05-17 21:52

Platform

win10v2004-20250502-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2025-05-17_2eb13bcb81ca0309244977aa14554309_amadey_elex_gcleaner_konni_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\88A8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\745714338.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\745714338.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\syscrondvr.exe C:\Users\Admin\AppData\Local\Temp\745714338.exe N/A
File opened for modification C:\Windows\syscrondvr.exe C:\Users\Admin\AppData\Local\Temp\745714338.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\745714338.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\syscrondvr.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\2025-05-17_2eb13bcb81ca0309244977aa14554309_amadey_elex_gcleaner_konni_smoke-loader_stealc_tofsee.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\88A8.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4608 wrote to memory of 4128 N/A C:\Users\Admin\AppData\Local\Temp\2025-05-17_2eb13bcb81ca0309244977aa14554309_amadey_elex_gcleaner_konni_smoke-loader_stealc_tofsee.exe C:\Users\Admin\AppData\Local\Temp\88A8.exe
PID 4608 wrote to memory of 4128 N/A C:\Users\Admin\AppData\Local\Temp\2025-05-17_2eb13bcb81ca0309244977aa14554309_amadey_elex_gcleaner_konni_smoke-loader_stealc_tofsee.exe C:\Users\Admin\AppData\Local\Temp\88A8.exe
PID 4608 wrote to memory of 4128 N/A C:\Users\Admin\AppData\Local\Temp\2025-05-17_2eb13bcb81ca0309244977aa14554309_amadey_elex_gcleaner_konni_smoke-loader_stealc_tofsee.exe C:\Users\Admin\AppData\Local\Temp\88A8.exe
PID 4128 wrote to memory of 4364 N/A C:\Users\Admin\AppData\Local\Temp\88A8.exe C:\Users\Admin\AppData\Local\Temp\745714338.exe
PID 4128 wrote to memory of 4364 N/A C:\Users\Admin\AppData\Local\Temp\88A8.exe C:\Users\Admin\AppData\Local\Temp\745714338.exe
PID 4128 wrote to memory of 4364 N/A C:\Users\Admin\AppData\Local\Temp\88A8.exe C:\Users\Admin\AppData\Local\Temp\745714338.exe
PID 4364 wrote to memory of 4188 N/A C:\Users\Admin\AppData\Local\Temp\745714338.exe C:\Windows\syscrondvr.exe
PID 4364 wrote to memory of 4188 N/A C:\Users\Admin\AppData\Local\Temp\745714338.exe C:\Windows\syscrondvr.exe
PID 4364 wrote to memory of 4188 N/A C:\Users\Admin\AppData\Local\Temp\745714338.exe C:\Windows\syscrondvr.exe
PID 4484 wrote to memory of 3092 N/A C:\Windows\system32\cmd.exe C:\Windows\syscrondvr.exe
PID 4484 wrote to memory of 3092 N/A C:\Windows\system32\cmd.exe C:\Windows\syscrondvr.exe
PID 4484 wrote to memory of 3092 N/A C:\Windows\system32\cmd.exe C:\Windows\syscrondvr.exe

Processes

C:\Users\Admin\AppData\Local\Temp\2025-05-17_2eb13bcb81ca0309244977aa14554309_amadey_elex_gcleaner_konni_smoke-loader_stealc_tofsee.exe

"C:\Users\Admin\AppData\Local\Temp\2025-05-17_2eb13bcb81ca0309244977aa14554309_amadey_elex_gcleaner_konni_smoke-loader_stealc_tofsee.exe"

C:\Users\Admin\AppData\Local\Temp\88A8.exe

"C:\Users\Admin\AppData\Local\Temp\88A8.exe"

C:\Users\Admin\AppData\Local\Temp\745714338.exe

C:\Users\Admin\AppData\Local\Temp\745714338.exe

C:\Windows\system32\cmd.exe

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

C:\Windows\syscrondvr.exe

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 2.18.27.76:443 www.bing.com tcp
GB 2.18.27.76:443 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 150.171.27.10:443 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 150.171.27.10:443 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
KZ 2.134.231.237:40500 udp
SY 95.212.142.183:40500 tcp
DZ 105.96.64.145:40500 udp
RU 89.232.86.84:40500 udp
UZ 94.141.68.215:40500 udp
KZ 2.133.162.140:40500 udp
YE 134.35.166.30:40500 udp
IR 188.211.55.15:40500 tcp
MX 201.114.164.3:40500 udp
RU 84.53.244.106:40500 udp
TR 78.160.11.227:40500 udp
IR 5.238.130.151:40500 udp
KZ 5.251.243.26:40500 udp
YE 109.200.164.218:40500 tcp
AO 154.71.244.54:40500 udp
UZ 195.158.22.11:40500 udp
KZ 5.251.103.62:40500 udp
IR 93.115.228.165:40500 udp
VE 190.202.1.132:40500 udp
KZ 95.57.184.234:40500 tcp

Files

C:\Users\Admin\AppData\Local\Temp\88A8.exe

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

C:\Users\Admin\AppData\Local\Temp\745714338.exe

MD5 f30fdbf3448f67cbc3566f31729cb7a6
SHA1 fbf005c38f4a1c2e86817a2cb70406fc241f2c90
SHA256 81783b558904becc5b86553faba9525070de5f43339766eb1c025bcfbfe1eef8
SHA512 b428df2c8f8b4a002c8d7e1bfd9926e5cf95ee998688a2c360b8551e80be5bfbfa17ef210bea35f247da4a5c8a940fb5dba49f4786da9a74e5d001b771c8e9a8