Malware Analysis Report

2025-05-28 15:16

Sample ID 250519-2brdqszry8
Target 2025-05-19_0a023b039e07bb57620227af1a039950_amadey_coinminer_elex_smoke-loader
SHA256 35ffd0efd89c14c953db1d67f869bfaf015ee14df997a078e1811d27a934cb02
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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

35ffd0efd89c14c953db1d67f869bfaf015ee14df997a078e1811d27a934cb02

Threat Level: Known bad

The file 2025-05-19_0a023b039e07bb57620227af1a039950_amadey_coinminer_elex_smoke-loader 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

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-05-19 22:24

Signatures

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2025-05-19 22:24

Reported

2025-05-19 22:27

Platform

win11-20250502-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2025-05-19_0a023b039e07bb57620227af1a039950_amadey_coinminer_elex_smoke-loader.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

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\2919625225.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\syscrondvr.exe C:\Users\Admin\AppData\Local\Temp\2919625225.exe N/A
File opened for modification C:\Windows\syscrondvr.exe C:\Users\Admin\AppData\Local\Temp\2919625225.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\2025-05-19_0a023b039e07bb57620227af1a039950_amadey_coinminer_elex_smoke-loader.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\473A.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\2919625225.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\2343026543.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3880 wrote to memory of 960 N/A C:\Users\Admin\AppData\Local\Temp\2025-05-19_0a023b039e07bb57620227af1a039950_amadey_coinminer_elex_smoke-loader.exe C:\Users\Admin\AppData\Local\Temp\473A.exe
PID 3880 wrote to memory of 960 N/A C:\Users\Admin\AppData\Local\Temp\2025-05-19_0a023b039e07bb57620227af1a039950_amadey_coinminer_elex_smoke-loader.exe C:\Users\Admin\AppData\Local\Temp\473A.exe
PID 3880 wrote to memory of 960 N/A C:\Users\Admin\AppData\Local\Temp\2025-05-19_0a023b039e07bb57620227af1a039950_amadey_coinminer_elex_smoke-loader.exe C:\Users\Admin\AppData\Local\Temp\473A.exe
PID 960 wrote to memory of 3008 N/A C:\Users\Admin\AppData\Local\Temp\473A.exe C:\Users\Admin\AppData\Local\Temp\2919625225.exe
PID 960 wrote to memory of 3008 N/A C:\Users\Admin\AppData\Local\Temp\473A.exe C:\Users\Admin\AppData\Local\Temp\2919625225.exe
PID 960 wrote to memory of 3008 N/A C:\Users\Admin\AppData\Local\Temp\473A.exe C:\Users\Admin\AppData\Local\Temp\2919625225.exe
PID 3008 wrote to memory of 652 N/A C:\Users\Admin\AppData\Local\Temp\2919625225.exe C:\Windows\syscrondvr.exe
PID 3008 wrote to memory of 652 N/A C:\Users\Admin\AppData\Local\Temp\2919625225.exe C:\Windows\syscrondvr.exe
PID 3008 wrote to memory of 652 N/A C:\Users\Admin\AppData\Local\Temp\2919625225.exe C:\Windows\syscrondvr.exe
PID 572 wrote to memory of 2848 N/A C:\Windows\system32\cmd.exe C:\Windows\syscrondvr.exe
PID 572 wrote to memory of 2848 N/A C:\Windows\system32\cmd.exe C:\Windows\syscrondvr.exe
PID 572 wrote to memory of 2848 N/A C:\Windows\system32\cmd.exe C:\Windows\syscrondvr.exe
PID 652 wrote to memory of 5052 N/A C:\Windows\syscrondvr.exe C:\Users\Admin\AppData\Local\Temp\2343026543.exe
PID 652 wrote to memory of 5052 N/A C:\Windows\syscrondvr.exe C:\Users\Admin\AppData\Local\Temp\2343026543.exe
PID 652 wrote to memory of 5052 N/A C:\Windows\syscrondvr.exe C:\Users\Admin\AppData\Local\Temp\2343026543.exe

Processes

C:\Users\Admin\AppData\Local\Temp\2025-05-19_0a023b039e07bb57620227af1a039950_amadey_coinminer_elex_smoke-loader.exe

"C:\Users\Admin\AppData\Local\Temp\2025-05-19_0a023b039e07bb57620227af1a039950_amadey_coinminer_elex_smoke-loader.exe"

C:\Users\Admin\AppData\Local\Temp\473A.exe

"C:\Users\Admin\AppData\Local\Temp\473A.exe"

C:\Users\Admin\AppData\Local\Temp\2919625225.exe

C:\Users\Admin\AppData\Local\Temp\2919625225.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

C:\Users\Admin\AppData\Local\Temp\2343026543.exe

C:\Users\Admin\AppData\Local\Temp\2343026543.exe

Network

Country Destination Domain Proto
UA 185.156.72.39:80 185.156.72.39 tcp
UA 185.156.72.39:80 185.156.72.39 tcp
UA 185.156.72.39:80 185.156.72.39 tcp
UA 185.156.72.39:80 185.156.72.39 tcp
NL 45.141.233.6:80 45.141.233.6 tcp
US 20.109.209.108:80 www.update.microsoft.com tcp
UZ 94.230.229.185:40500 tcp
IR 109.125.133.226:40500 udp
IR 2.190.241.242:40500 udp
DZ 41.103.2.44:40500 udp
SY 82.137.244.65:40500 udp
CN 119.122.39.40:40500 udp
MX 187.194.169.243:40500 udp
UZ 195.158.16.52:40500 tcp
UZ 93.188.85.2:40500 udp
RU 176.209.39.20:40500 udp
KZ 92.47.42.231:40500 udp
BA 5.43.127.65:40500 udp
RU 95.29.150.165:40500 udp
YE 5.255.10.178:40500 tcp
IR 31.25.129.37:40500 udp
PK 175.107.23.34:40500 udp
RU 37.78.69.140:40500 tcp
IR 5.233.230.251:40500 udp
UA 185.156.72.39:80 185.156.72.39 tcp
KZ 95.57.184.234:40500 udp
KZ 89.218.44.218:40500 udp

Files

C:\Users\Admin\AppData\Local\Temp\473A.exe

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

C:\Users\Admin\AppData\Local\Temp\2919625225.exe

MD5 f30fdbf3448f67cbc3566f31729cb7a6
SHA1 fbf005c38f4a1c2e86817a2cb70406fc241f2c90
SHA256 81783b558904becc5b86553faba9525070de5f43339766eb1c025bcfbfe1eef8
SHA512 b428df2c8f8b4a002c8d7e1bfd9926e5cf95ee998688a2c360b8551e80be5bfbfa17ef210bea35f247da4a5c8a940fb5dba49f4786da9a74e5d001b771c8e9a8

C:\Users\Admin\AppData\Local\Temp\2343026543.exe

MD5 c08cfa523c9377d3ae24fdb373b3ae13
SHA1 5289219770ad28b0fa4f0bdd91817f76bd6be222
SHA256 326c70a965d4e642275c26cd913e268b1db89edd59b31a86ee600a7a9c664eb0
SHA512 c91acd580ac832d5fed363a9a2b98b724a255d82e4fdda6eca62133feb5e60dd79a8caca36597a52bfbfa907a44208c48b15142e2e6020db219d14e970c3f57c

Analysis: behavioral1

Detonation Overview

Submitted

2025-05-19 22:24

Reported

2025-05-19 22:27

Platform

win10v2004-20250502-en

Max time kernel

150s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2025-05-19_0a023b039e07bb57620227af1a039950_amadey_coinminer_elex_smoke-loader.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

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\2590326888.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\syscrondvr.exe C:\Users\Admin\AppData\Local\Temp\2590326888.exe N/A
File opened for modification C:\Windows\syscrondvr.exe C:\Users\Admin\AppData\Local\Temp\2590326888.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\1455327696.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\2025-05-19_0a023b039e07bb57620227af1a039950_amadey_coinminer_elex_smoke-loader.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\97FA.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\2590326888.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 5472 wrote to memory of 644 N/A C:\Users\Admin\AppData\Local\Temp\2025-05-19_0a023b039e07bb57620227af1a039950_amadey_coinminer_elex_smoke-loader.exe C:\Users\Admin\AppData\Local\Temp\97FA.exe
PID 5472 wrote to memory of 644 N/A C:\Users\Admin\AppData\Local\Temp\2025-05-19_0a023b039e07bb57620227af1a039950_amadey_coinminer_elex_smoke-loader.exe C:\Users\Admin\AppData\Local\Temp\97FA.exe
PID 5472 wrote to memory of 644 N/A C:\Users\Admin\AppData\Local\Temp\2025-05-19_0a023b039e07bb57620227af1a039950_amadey_coinminer_elex_smoke-loader.exe C:\Users\Admin\AppData\Local\Temp\97FA.exe
PID 644 wrote to memory of 60 N/A C:\Users\Admin\AppData\Local\Temp\97FA.exe C:\Users\Admin\AppData\Local\Temp\2590326888.exe
PID 644 wrote to memory of 60 N/A C:\Users\Admin\AppData\Local\Temp\97FA.exe C:\Users\Admin\AppData\Local\Temp\2590326888.exe
PID 644 wrote to memory of 60 N/A C:\Users\Admin\AppData\Local\Temp\97FA.exe C:\Users\Admin\AppData\Local\Temp\2590326888.exe
PID 60 wrote to memory of 4000 N/A C:\Users\Admin\AppData\Local\Temp\2590326888.exe C:\Windows\syscrondvr.exe
PID 60 wrote to memory of 4000 N/A C:\Users\Admin\AppData\Local\Temp\2590326888.exe C:\Windows\syscrondvr.exe
PID 60 wrote to memory of 4000 N/A C:\Users\Admin\AppData\Local\Temp\2590326888.exe C:\Windows\syscrondvr.exe
PID 3692 wrote to memory of 628 N/A C:\Windows\system32\cmd.exe C:\Windows\syscrondvr.exe
PID 3692 wrote to memory of 628 N/A C:\Windows\system32\cmd.exe C:\Windows\syscrondvr.exe
PID 3692 wrote to memory of 628 N/A C:\Windows\system32\cmd.exe C:\Windows\syscrondvr.exe
PID 4000 wrote to memory of 5936 N/A C:\Windows\syscrondvr.exe C:\Users\Admin\AppData\Local\Temp\1455327696.exe
PID 4000 wrote to memory of 5936 N/A C:\Windows\syscrondvr.exe C:\Users\Admin\AppData\Local\Temp\1455327696.exe
PID 4000 wrote to memory of 5936 N/A C:\Windows\syscrondvr.exe C:\Users\Admin\AppData\Local\Temp\1455327696.exe

Processes

C:\Users\Admin\AppData\Local\Temp\2025-05-19_0a023b039e07bb57620227af1a039950_amadey_coinminer_elex_smoke-loader.exe

"C:\Users\Admin\AppData\Local\Temp\2025-05-19_0a023b039e07bb57620227af1a039950_amadey_coinminer_elex_smoke-loader.exe"

C:\Users\Admin\AppData\Local\Temp\97FA.exe

"C:\Users\Admin\AppData\Local\Temp\97FA.exe"

C:\Users\Admin\AppData\Local\Temp\2590326888.exe

C:\Users\Admin\AppData\Local\Temp\2590326888.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

C:\Users\Admin\AppData\Local\Temp\1455327696.exe

C:\Users\Admin\AppData\Local\Temp\1455327696.exe

Network

Country Destination Domain Proto
UA 185.156.72.39:80 185.156.72.39 tcp
US 8.8.8.8:53 g.bing.com udp
US 150.171.27.10:443 g.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
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 216.58.201.99:80 c.pki.goog tcp
US 8.8.8.8:53 www.update.microsoft.com udp
US 20.109.209.108:80 www.update.microsoft.com tcp
KZ 5.76.12.137:40500 udp
KZ 145.249.227.150:40500 tcp
RU 2.60.131.236:40500 udp
AZ 82.194.13.33:40500 udp
RU 178.163.31.248:40500 udp
DZ 41.102.252.137:40500 udp
UZ 217.30.162.37:40500 udp
UZ 89.236.204.156:40500 tcp
IQ 89.35.132.112:40500 udp
SY 95.212.223.98:40500 udp
IR 188.209.46.116:40500 udp
US 50.42.74.161:40500 udp
UZ 93.188.83.236:40500 udp
BA 77.221.28.164:40500 tcp
KZ 5.63.81.227:40500 udp
VE 190.202.1.132:40500 udp
IR 5.233.182.5:40500 udp
UZ 198.163.193.244:40500 udp
UA 185.156.72.39:80 185.156.72.39 tcp
MX 189.182.80.29:40500 udp
YE 82.114.188.124:40500 tcp
N/A 89.144.189.177:40500 udp

Files

C:\Users\Admin\AppData\Local\Temp\97FA.exe

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

C:\Users\Admin\AppData\Local\Temp\2590326888.exe

MD5 f30fdbf3448f67cbc3566f31729cb7a6
SHA1 fbf005c38f4a1c2e86817a2cb70406fc241f2c90
SHA256 81783b558904becc5b86553faba9525070de5f43339766eb1c025bcfbfe1eef8
SHA512 b428df2c8f8b4a002c8d7e1bfd9926e5cf95ee998688a2c360b8551e80be5bfbfa17ef210bea35f247da4a5c8a940fb5dba49f4786da9a74e5d001b771c8e9a8

C:\Users\Admin\AppData\Local\Temp\1455327696.exe

MD5 c08cfa523c9377d3ae24fdb373b3ae13
SHA1 5289219770ad28b0fa4f0bdd91817f76bd6be222
SHA256 326c70a965d4e642275c26cd913e268b1db89edd59b31a86ee600a7a9c664eb0
SHA512 c91acd580ac832d5fed363a9a2b98b724a255d82e4fdda6eca62133feb5e60dd79a8caca36597a52bfbfa907a44208c48b15142e2e6020db219d14e970c3f57c