phorphiex | 20b054f155ba8887b61e3e1154b97882fd98cfcd4961ccf954673e7379bc663a

General

Target

twizt.exe
Size

88KB
MD5

4505daf4c08fc8e8e1380911e98588aa
SHA1

d990eb1b2ccbb71c878944be37923b1ebd17bc72
SHA256

a2139600c569365149894405d411ea1401bafc8c7e8af1983d046cf087269c40
SHA512

bb57d11150086c3c61f9a8fdd2511e3e780a24362183a6b833f44484238451f23b74b244262009f38a8baa7254d07dfdd9d4209efcf426dfd4e651c47f2f8cec
SSDEEP

1536:yL0IGzbFmav82XwudP6+0MTqEjXm/D5AKHK:+0poOfP6+JuEjaaKHK

Score

10^/10

phorphiex evasion loader persistence spyware stealer trojan worm

Malware Config

Extracted

Family

phorphiex

C2

http://185.215.113.66/

http://77.91.77.92/

http://91.202.233.141/

Wallets

0xCa90599132C4D88907Bd8E046540284aa468a035

TRuGGXNDM1cavQ1AqMQHG8yfxP4QWVSMN6

qph44jx8r9k5xeq5cuf958krv3ewrnp5vc6hhdjd3r

XryzFMFVpDUvU7famUGf214EXD3xNUSmQf

LLeT2zkStY3cvxMBFhoWXkG5VuZPoezduv

rwc4LVd9ABpULQ1CuCpDkgX2xVB1fUijyb

4AtjkCVKbtEC3UEN77SQHuH9i1XkzNiRi5VCbA2XGsJh46nJSXfGQn4GjLuupCqmC57Lo7LvKmFUyRfhtJSvKvuw3h9ReKK

15TssKwtjMtwy4vDLcLsQUZUD2B9f7eDjw85sBNVC5LRPPnC

17hgMFyLDwMjxWqw5GhijhnPdJDyFDqecY

ltc1qt0n3f0t7vz9k0mvcswk477shrxwjhf9sj5ykrp

3PMiLynrGVZ8oEqvoqC4hXD67B1WoALR4pc

3FerB8kUraAVGCVCNkgv57zTBjUGjAUkU3

DLUzwvyxN1RrwjByUPPzVMdfxNRPGVRMMA

t1J6GCPCiHW1eRdjJgDDu6b1vSVmL5U7Twh

stars125f3mw4xd9htpsq4zj5w5ezm5gags37yxxh6mj

bnb1epx67ne4vckqmaj4gwke8m322f4yjr6eh52wqw

bc1qmpkehfffkr6phuklsksnd7nhgx0369sxu772m3

bitcoincash:qph44jx8r9k5xeq5cuf958krv3ewrnp5vc6hhdjd3r

GBQJMXYXPRIWFMXIFJR35ZB7LRKMB4PHCIUAUFR3TKUL6RDBZVLZEUJ3

Attributes

mutex
55a4er5wo
user_agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36

Signatures

Modifies security service 2 TTPs 1 IoCs
evasion

Modify Registry
T1112

Windows Service
T1543.003

Processes:

sysmablsvr.exe

description ioc process

Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wuauserv\Start = "4" sysmablsvr.exe
Phorphiex payload 1 IoCs

Processes:

resource yara_rule

C:\Windows\sysmablsvr.exe family_phorphiex
Phorphiex, Phorpiex
Phorphiex or Phorpiex Malware family which infects systems to distribute other malicious payloads such as ransomware, stealers and cryptominers.
worm trojan loader phorphiex

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wuauserv\Start = "4"	sysmablsvr.exe

resource	yara_rule
C:\Windows\sysmablsvr.exe	family_phorphiex

Windows security bypass 2 TTPs 6 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

sysmablsvr.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	sysmablsvr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesOverride = "1"	sysmablsvr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	sysmablsvr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	sysmablsvr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	sysmablsvr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	sysmablsvr.exe

Downloads MZ/PE file
Executes dropped EXE 3 IoCs

Processes:

sysmablsvr.exe2341920438.exe1193023664.exe

pid process

5044 sysmablsvr.exe
1428 2341920438.exe
1928 1193023664.exe
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

pid	process
5044	sysmablsvr.exe
1428	2341920438.exe
1928	1193023664.exe

Windows security modification 2 TTPs 7 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

sysmablsvr.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	sysmablsvr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesOverride = "1"	sysmablsvr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	sysmablsvr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	sysmablsvr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	sysmablsvr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiSpywareOverride = "1"	sysmablsvr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	sysmablsvr.exe

Adds Run key to start application 2 TTPs 1 IoCs
persistence

Registry Run Keys / Startup Folder
T1547.001

Modify Registry
T1112

Processes:

twizt.exe

description ioc process

Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Settings = "C:\\Windows\\sysmablsvr.exe" twizt.exe
Drops file in Windows directory 2 IoCs

Processes:

twizt.exe

description ioc process

File created C:\Windows\sysmablsvr.exe twizt.exe
File opened for modification C:\Windows\sysmablsvr.exe twizt.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Settings = "C:\\Windows\\sysmablsvr.exe"	twizt.exe

description	ioc	process
File created	C:\Windows\sysmablsvr.exe	twizt.exe
File opened for modification	C:\Windows\sysmablsvr.exe	twizt.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

twizt.exesysmablsvr.exe2341920438.exe

description	pid	process	target process
PID 3704 wrote to memory of 5044	3704	twizt.exe	sysmablsvr.exe
PID 3704 wrote to memory of 5044	3704	twizt.exe	sysmablsvr.exe
PID 3704 wrote to memory of 5044	3704	twizt.exe	sysmablsvr.exe
PID 5044 wrote to memory of 1428	5044	sysmablsvr.exe	2341920438.exe
PID 5044 wrote to memory of 1428	5044	sysmablsvr.exe	2341920438.exe
PID 5044 wrote to memory of 1428	5044	sysmablsvr.exe	2341920438.exe
PID 1428 wrote to memory of 1928	1428	2341920438.exe	1193023664.exe
PID 1428 wrote to memory of 1928	1428	2341920438.exe	1193023664.exe
PID 1428 wrote to memory of 1928	1428	2341920438.exe	1193023664.exe

C:\Users\Admin\AppData\Local\Temp\twizt.exe
"C:\Users\Admin\AppData\Local\Temp\twizt.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:3704

C:\Windows\sysmablsvr.exe
C:\Windows\sysmablsvr.exe
2⤵
- Modifies security service
- Windows security bypass
- Executes dropped EXE
- Windows security modification
- Suspicious use of WriteProcessMemory
PID:5044

C:\Users\Admin\AppData\Local\Temp\2341920438.exe
C:\Users\Admin\AppData\Local\Temp\2341920438.exe
3⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1428

C:\Users\Admin\AppData\Local\Temp\1193023664.exe
C:\Users\Admin\AppData\Local\Temp\1193023664.exe
4⤵
- Executes dropped EXE
PID:1928

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\1193023664.exe
Filesize
20KB

MD5
5d1f5a6f5f6ea2e560c75673556e10c2

SHA1
be03b3d220349f0fc856fd9548ab36cca2fea638

SHA256
ff070a8f81124812406aba43a43f2ab2a0f1ca58cdfbff65705c8d1b2fe557b0

SHA512
6cda9a5f0fec1e9d8afebc7d126c0ef1d4a2bf01822ee8bc494d060a1ccd9874056af0b812226c7cd895164c96bc9687c028ad6a5b4a5148fb86af2fd8af3121

Download Submit
C:\Users\Admin\AppData\Local\Temp\2341920438.exe
Filesize
10KB

MD5
62a359fc04086f9293ce70140e9b72cc

SHA1
125c91a4b5248316ed7a262acf936b8b4ab54a9f

SHA256
6868e06c295e6335cf8a8d6c5cd56a1e9d9ecc4202b2fed9af2477b1d3f441ad

SHA512
2241e3781cf099f2e36a9769602c71ccba1df0029e9b1949d0b35f529bf33b722f3db51739b6c720f7ff9e3d63e59de1815fff3753699bec7e9816eb5c3e6ac2

Download Submit
C:\Windows\sysmablsvr.exe
Filesize
88KB

MD5
4505daf4c08fc8e8e1380911e98588aa

SHA1
d990eb1b2ccbb71c878944be37923b1ebd17bc72

SHA256
a2139600c569365149894405d411ea1401bafc8c7e8af1983d046cf087269c40

SHA512
bb57d11150086c3c61f9a8fdd2511e3e780a24362183a6b833f44484238451f23b74b244262009f38a8baa7254d07dfdd9d4209efcf426dfd4e651c47f2f8cec

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

Loading Replay Monitor...

Downloads