Malware Analysis Report

2025-05-28 15:16

Sample ID 250517-1lebgs1qs5
Target 2025-05-17_5d2461d5fe1fa4014168c5fcc6a4a061_amadey_black-basta_cobalt-strike_elex_hellokitty_hijackloader_luca-stealer
SHA256 1fd4c3a0e89618d9fde9f4d4e45a66d7322dd10230c8a53bf6ffe5a8fea35dde
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

1fd4c3a0e89618d9fde9f4d4e45a66d7322dd10230c8a53bf6ffe5a8fea35dde

Threat Level: Known bad

The file 2025-05-17_5d2461d5fe1fa4014168c5fcc6a4a061_amadey_black-basta_cobalt-strike_elex_hellokitty_hijackloader_luca-stealer was found to be: Known bad.

Malicious Activity Summary

phorphiex discovery loader persistence trojan worm

Phorphiex family

Phorphiex, Phorpiex

Phorphiex payload

Downloads MZ/PE file

Executes dropped EXE

Adds Run key to start application

Drops file in Windows directory

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-05-17 21:43

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2025-05-17 21:43

Reported

2025-05-17 21:46

Platform

win11-20250502-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2025-05-17_5d2461d5fe1fa4014168c5fcc6a4a061_amadey_black-basta_cobalt-strike_elex_hellokitty_hijackloader_luca-stealer.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\595B.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\178647406.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\178647406.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\syscrondvr.exe C:\Users\Admin\AppData\Local\Temp\178647406.exe N/A
File opened for modification C:\Windows\syscrondvr.exe C:\Users\Admin\AppData\Local\Temp\178647406.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
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_5d2461d5fe1fa4014168c5fcc6a4a061_amadey_black-basta_cobalt-strike_elex_hellokitty_hijackloader_luca-stealer.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\595B.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\178647406.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 5972 wrote to memory of 5360 N/A C:\Users\Admin\AppData\Local\Temp\2025-05-17_5d2461d5fe1fa4014168c5fcc6a4a061_amadey_black-basta_cobalt-strike_elex_hellokitty_hijackloader_luca-stealer.exe C:\Users\Admin\AppData\Local\Temp\595B.exe
PID 5972 wrote to memory of 5360 N/A C:\Users\Admin\AppData\Local\Temp\2025-05-17_5d2461d5fe1fa4014168c5fcc6a4a061_amadey_black-basta_cobalt-strike_elex_hellokitty_hijackloader_luca-stealer.exe C:\Users\Admin\AppData\Local\Temp\595B.exe
PID 5972 wrote to memory of 5360 N/A C:\Users\Admin\AppData\Local\Temp\2025-05-17_5d2461d5fe1fa4014168c5fcc6a4a061_amadey_black-basta_cobalt-strike_elex_hellokitty_hijackloader_luca-stealer.exe C:\Users\Admin\AppData\Local\Temp\595B.exe
PID 5360 wrote to memory of 5420 N/A C:\Users\Admin\AppData\Local\Temp\595B.exe C:\Users\Admin\AppData\Local\Temp\178647406.exe
PID 5360 wrote to memory of 5420 N/A C:\Users\Admin\AppData\Local\Temp\595B.exe C:\Users\Admin\AppData\Local\Temp\178647406.exe
PID 5360 wrote to memory of 5420 N/A C:\Users\Admin\AppData\Local\Temp\595B.exe C:\Users\Admin\AppData\Local\Temp\178647406.exe
PID 5420 wrote to memory of 1892 N/A C:\Users\Admin\AppData\Local\Temp\178647406.exe C:\Windows\syscrondvr.exe
PID 5420 wrote to memory of 1892 N/A C:\Users\Admin\AppData\Local\Temp\178647406.exe C:\Windows\syscrondvr.exe
PID 5420 wrote to memory of 1892 N/A C:\Users\Admin\AppData\Local\Temp\178647406.exe C:\Windows\syscrondvr.exe
PID 1408 wrote to memory of 2312 N/A C:\Windows\system32\cmd.exe C:\Windows\syscrondvr.exe
PID 1408 wrote to memory of 2312 N/A C:\Windows\system32\cmd.exe C:\Windows\syscrondvr.exe
PID 1408 wrote to memory of 2312 N/A C:\Windows\system32\cmd.exe C:\Windows\syscrondvr.exe

Processes

C:\Users\Admin\AppData\Local\Temp\2025-05-17_5d2461d5fe1fa4014168c5fcc6a4a061_amadey_black-basta_cobalt-strike_elex_hellokitty_hijackloader_luca-stealer.exe

"C:\Users\Admin\AppData\Local\Temp\2025-05-17_5d2461d5fe1fa4014168c5fcc6a4a061_amadey_black-basta_cobalt-strike_elex_hellokitty_hijackloader_luca-stealer.exe"

C:\Users\Admin\AppData\Local\Temp\595B.exe

"C:\Users\Admin\AppData\Local\Temp\595B.exe"

C:\Users\Admin\AppData\Local\Temp\178647406.exe

C:\Users\Admin\AppData\Local\Temp\178647406.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
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
EG 154.237.214.26:40500 udp
IR 78.38.29.237:40500 tcp
IR 5.200.219.106:40500 udp
YE 78.137.66.141:40500 udp
IR 84.47.213.165:40500 udp
MX 189.150.82.193:40500 udp
UZ 5.133.123.159:40500 udp
YE 188.240.99.83:40500 tcp
YE 134.35.54.2:40500 udp
UZ 93.188.85.2:40500 udp
KZ 2.135.164.188:40500 udp
VE 190.202.1.132:40500 udp
KZ 178.89.16.200:40500 udp
IR 5.236.54.150:40500 tcp
RU 37.192.13.158:40500 udp
RU 178.35.85.101:40500 udp
MX 187.234.232.9:40500 udp
YE 178.130.77.96:40500 udp
KZ 2.134.116.51:40500 udp
IR 89.43.225.55:40500 tcp

Files

C:\Users\Admin\AppData\Local\Temp\595B.exe

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

C:\Users\Admin\AppData\Local\Temp\178647406.exe

MD5 f30fdbf3448f67cbc3566f31729cb7a6
SHA1 fbf005c38f4a1c2e86817a2cb70406fc241f2c90
SHA256 81783b558904becc5b86553faba9525070de5f43339766eb1c025bcfbfe1eef8
SHA512 b428df2c8f8b4a002c8d7e1bfd9926e5cf95ee998688a2c360b8551e80be5bfbfa17ef210bea35f247da4a5c8a940fb5dba49f4786da9a74e5d001b771c8e9a8

Analysis: behavioral1

Detonation Overview

Submitted

2025-05-17 21:43

Reported

2025-05-17 21:46

Platform

win10v2004-20250502-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2025-05-17_5d2461d5fe1fa4014168c5fcc6a4a061_amadey_black-basta_cobalt-strike_elex_hellokitty_hijackloader_luca-stealer.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\5E6C.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2669011949.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\2669011949.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\syscrondvr.exe C:\Users\Admin\AppData\Local\Temp\2669011949.exe N/A
File opened for modification C:\Windows\syscrondvr.exe C:\Users\Admin\AppData\Local\Temp\2669011949.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_5d2461d5fe1fa4014168c5fcc6a4a061_amadey_black-basta_cobalt-strike_elex_hellokitty_hijackloader_luca-stealer.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\5E6C.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\2669011949.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 224 wrote to memory of 3100 N/A C:\Users\Admin\AppData\Local\Temp\2025-05-17_5d2461d5fe1fa4014168c5fcc6a4a061_amadey_black-basta_cobalt-strike_elex_hellokitty_hijackloader_luca-stealer.exe C:\Users\Admin\AppData\Local\Temp\5E6C.exe
PID 224 wrote to memory of 3100 N/A C:\Users\Admin\AppData\Local\Temp\2025-05-17_5d2461d5fe1fa4014168c5fcc6a4a061_amadey_black-basta_cobalt-strike_elex_hellokitty_hijackloader_luca-stealer.exe C:\Users\Admin\AppData\Local\Temp\5E6C.exe
PID 224 wrote to memory of 3100 N/A C:\Users\Admin\AppData\Local\Temp\2025-05-17_5d2461d5fe1fa4014168c5fcc6a4a061_amadey_black-basta_cobalt-strike_elex_hellokitty_hijackloader_luca-stealer.exe C:\Users\Admin\AppData\Local\Temp\5E6C.exe
PID 3100 wrote to memory of 1948 N/A C:\Users\Admin\AppData\Local\Temp\5E6C.exe C:\Users\Admin\AppData\Local\Temp\2669011949.exe
PID 3100 wrote to memory of 1948 N/A C:\Users\Admin\AppData\Local\Temp\5E6C.exe C:\Users\Admin\AppData\Local\Temp\2669011949.exe
PID 3100 wrote to memory of 1948 N/A C:\Users\Admin\AppData\Local\Temp\5E6C.exe C:\Users\Admin\AppData\Local\Temp\2669011949.exe
PID 1948 wrote to memory of 1992 N/A C:\Users\Admin\AppData\Local\Temp\2669011949.exe C:\Windows\syscrondvr.exe
PID 1948 wrote to memory of 1992 N/A C:\Users\Admin\AppData\Local\Temp\2669011949.exe C:\Windows\syscrondvr.exe
PID 1948 wrote to memory of 1992 N/A C:\Users\Admin\AppData\Local\Temp\2669011949.exe C:\Windows\syscrondvr.exe
PID 2292 wrote to memory of 4988 N/A C:\Windows\system32\cmd.exe C:\Windows\syscrondvr.exe
PID 2292 wrote to memory of 4988 N/A C:\Windows\system32\cmd.exe C:\Windows\syscrondvr.exe
PID 2292 wrote to memory of 4988 N/A C:\Windows\system32\cmd.exe C:\Windows\syscrondvr.exe

Processes

C:\Users\Admin\AppData\Local\Temp\2025-05-17_5d2461d5fe1fa4014168c5fcc6a4a061_amadey_black-basta_cobalt-strike_elex_hellokitty_hijackloader_luca-stealer.exe

"C:\Users\Admin\AppData\Local\Temp\2025-05-17_5d2461d5fe1fa4014168c5fcc6a4a061_amadey_black-basta_cobalt-strike_elex_hellokitty_hijackloader_luca-stealer.exe"

C:\Users\Admin\AppData\Local\Temp\5E6C.exe

"C:\Users\Admin\AppData\Local\Temp\5E6C.exe"

C:\Users\Admin\AppData\Local\Temp\2669011949.exe

C:\Users\Admin\AppData\Local\Temp\2669011949.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
US 8.8.8.8:53 g.bing.com udp
US 150.171.28.10:443 g.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 150.171.27.10:443 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 www.update.microsoft.com udp
US 20.109.209.108:80 www.update.microsoft.com tcp
KZ 95.59.73.114:40500 udp
MX 189.150.52.133:40500 tcp
IR 5.219.230.137:40500 udp
KZ 5.251.11.215:40500 udp
RU 178.66.65.209:40500 udp
IR 2.179.220.187:40500 udp
US 8.8.8.8:53 c.pki.goog udp
GB 142.250.178.3:80 c.pki.goog tcp
KG 212.112.121.59:40500 udp
IR 151.232.240.250:40500 tcp
KZ 92.47.185.41:40500 udp
SY 82.137.218.134:40500 udp
RU 178.167.47.232:40500 udp
IR 212.120.201.116:40500 udp
IR 176.102.248.222:40500 udp
RU 178.167.39.80:40500 tcp
VE 186.90.229.73:40500 udp
TZ 41.59.201.84:40500 udp
BG 146.70.53.161:40500 udp
YE 5.255.10.178:40500 udp
UZ 80.80.213.62:40500 udp
IR 46.245.4.254:40500 tcp

Files

C:\Users\Admin\AppData\Local\Temp\5E6C.exe

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

C:\Users\Admin\AppData\Local\Temp\2669011949.exe

MD5 f30fdbf3448f67cbc3566f31729cb7a6
SHA1 fbf005c38f4a1c2e86817a2cb70406fc241f2c90
SHA256 81783b558904becc5b86553faba9525070de5f43339766eb1c025bcfbfe1eef8
SHA512 b428df2c8f8b4a002c8d7e1bfd9926e5cf95ee998688a2c360b8551e80be5bfbfa17ef210bea35f247da4a5c8a940fb5dba49f4786da9a74e5d001b771c8e9a8