phorphiex | 9e06cb0a5b4d799433e2432ab6d2492ca436d87ed458930ecab1d971d8f8323f

General

Target

2024-07-03_be86a5ed4e7b2b123bdad497982b2038_avoslocker_cobalt-strike.exe
Size

628KB
MD5

be86a5ed4e7b2b123bdad497982b2038
SHA1

c57bd306db49942ab89aec825971bf0b47934cc9
SHA256

9e06cb0a5b4d799433e2432ab6d2492ca436d87ed458930ecab1d971d8f8323f
SHA512

0e2415a837223ab34c31ee76f1b71f7259c1a01e980a1b901d94f8aefdcce81eb6a41036f5f962a466b2ee74774294730df0164316ffaf1cd4c2f378d0cabaf9
SSDEEP

12288:u7NMkvTvIrlhqbfYHdled/51eqrNXF7+yHdnjLv0JvNQsHskP5U6Bo1+N00KXu:u7NLQx8bfYHbedR1eqBXUSlv0JNTMkPw

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

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:\Users\Admin\AppData\Local\Temp\3199323348.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

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 6 IoCs

Processes:

635D.exe3199323348.exesysmablsvr.exe3187325584.exe2874828652.exe826816592.exe

pid process

240 635D.exe
1508 3199323348.exe
1284 sysmablsvr.exe
2112 3187325584.exe
2004 2874828652.exe
3232 826816592.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
240	635D.exe
1508	3199323348.exe
1284	sysmablsvr.exe
2112	3187325584.exe
2004	2874828652.exe
3232	826816592.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\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
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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

3199323348.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Settings = "C:\\Windows\\sysmablsvr.exe"	3199323348.exe

Checks for any installed AV software in registry 1 TTPs 1 IoCs

Security Software Discovery

T1518.001

Processes:

2024-07-03_be86a5ed4e7b2b123bdad497982b2038_avoslocker_cobalt-strike.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Avira\AMS	2024-07-03_be86a5ed4e7b2b123bdad497982b2038_avoslocker_cobalt-strike.exe

Drops file in Windows directory 2 IoCs

Processes:

3199323348.exe

description ioc process

File opened for modification C:\Windows\sysmablsvr.exe 3199323348.exe
File created C:\Windows\sysmablsvr.exe 3199323348.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3836 4992 WerFault.exe 2024-07-03_be86a5ed4e7b2b123bdad497982b2038_avoslocker_cobalt-strike.exe

description	ioc	process
File opened for modification	C:\Windows\sysmablsvr.exe	3199323348.exe
File created	C:\Windows\sysmablsvr.exe	3199323348.exe

pid	pid_target	process	target process
3836	4992	WerFault.exe	2024-07-03_be86a5ed4e7b2b123bdad497982b2038_avoslocker_cobalt-strike.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

2024-07-03_be86a5ed4e7b2b123bdad497982b2038_avoslocker_cobalt-strike.exe635D.exe3199323348.exesysmablsvr.exe3187325584.exe

description	pid	process	target process
PID 4992 wrote to memory of 240	4992	2024-07-03_be86a5ed4e7b2b123bdad497982b2038_avoslocker_cobalt-strike.exe	635D.exe
PID 4992 wrote to memory of 240	4992	2024-07-03_be86a5ed4e7b2b123bdad497982b2038_avoslocker_cobalt-strike.exe	635D.exe
PID 4992 wrote to memory of 240	4992	2024-07-03_be86a5ed4e7b2b123bdad497982b2038_avoslocker_cobalt-strike.exe	635D.exe
PID 240 wrote to memory of 1508	240	635D.exe	3199323348.exe
PID 240 wrote to memory of 1508	240	635D.exe	3199323348.exe
PID 240 wrote to memory of 1508	240	635D.exe	3199323348.exe
PID 1508 wrote to memory of 1284	1508	3199323348.exe	sysmablsvr.exe
PID 1508 wrote to memory of 1284	1508	3199323348.exe	sysmablsvr.exe
PID 1508 wrote to memory of 1284	1508	3199323348.exe	sysmablsvr.exe
PID 1284 wrote to memory of 2112	1284	sysmablsvr.exe	3187325584.exe
PID 1284 wrote to memory of 2112	1284	sysmablsvr.exe	3187325584.exe
PID 1284 wrote to memory of 2112	1284	sysmablsvr.exe	3187325584.exe
PID 2112 wrote to memory of 2004	2112	3187325584.exe	2874828652.exe
PID 2112 wrote to memory of 2004	2112	3187325584.exe	2874828652.exe
PID 2112 wrote to memory of 2004	2112	3187325584.exe	2874828652.exe
PID 1284 wrote to memory of 3232	1284	sysmablsvr.exe	826816592.exe
PID 1284 wrote to memory of 3232	1284	sysmablsvr.exe	826816592.exe
PID 1284 wrote to memory of 3232	1284	sysmablsvr.exe	826816592.exe

C:\Users\Admin\AppData\Local\Temp\2024-07-03_be86a5ed4e7b2b123bdad497982b2038_avoslocker_cobalt-strike.exe
"C:\Users\Admin\AppData\Local\Temp\2024-07-03_be86a5ed4e7b2b123bdad497982b2038_avoslocker_cobalt-strike.exe"
1⤵
- Checks for any installed AV software in registry
- Suspicious use of WriteProcessMemory
PID:4992
- C:\Users\Admin\AppData\Local\Temp\635D.exe
  "C:\Users\Admin\AppData\Local\Temp\635D.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:240
- - C:\Users\Admin\AppData\Local\Temp\3199323348.exe
    C:\Users\Admin\AppData\Local\Temp\3199323348.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Drops file in Windows directory
    - Suspicious use of WriteProcessMemory
    PID:1508
  - - C:\Windows\sysmablsvr.exe
      C:\Windows\sysmablsvr.exe
      4⤵
      Modifies security service
      Windows security bypass
      Executes dropped EXE
      Windows security modification
      Suspicious use of WriteProcessMemory
      PID:1284
    - - C:\Users\Admin\AppData\Local\Temp\3187325584.exe
        
        C:\Users\Admin\AppData\Local\Temp\3187325584.exe
        5⤵
        Executes dropped EXE
        Suspicious use of WriteProcessMemory
        
        PID:2112
      - C:\Users\Admin\AppData\Local\Temp\2874828652.exe
        
        C:\Users\Admin\AppData\Local\Temp\2874828652.exe
        6⤵
        Executes dropped EXE
        
        PID:2004
    - - C:\Users\Admin\AppData\Local\Temp\826816592.exe
        
        C:\Users\Admin\AppData\Local\Temp\826816592.exe
        5⤵
        Executes dropped EXE
        
        PID:3232
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4992 -s 1148
  2⤵
  - Program crash
  PID:3836

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4992 -ip 4992
1⤵
PID:2680

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Defense Evasion

Impair Defenses

2

T1562

Disable or Modify Tools

Modify Registry

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Software Discovery

1

T1518

Security Software Discovery

1

T1518.001

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\2874828652.exe

Filesize
20KB

MD5
5d1f5a6f5f6ea2e560c75673556e10c2

SHA1
be03b3d220349f0fc856fd9548ab36cca2fea638

SHA256
ff070a8f81124812406aba43a43f2ab2a0f1ca58cdfbff65705c8d1b2fe557b0

SHA512
6cda9a5f0fec1e9d8afebc7d126c0ef1d4a2bf01822ee8bc494d060a1ccd9874056af0b812226c7cd895164c96bc9687c028ad6a5b4a5148fb86af2fd8af3121

Download Submit
C:\Users\Admin\AppData\Local\Temp\3187325584.exe

Filesize
10KB

MD5
62a359fc04086f9293ce70140e9b72cc

SHA1
125c91a4b5248316ed7a262acf936b8b4ab54a9f

SHA256
6868e06c295e6335cf8a8d6c5cd56a1e9d9ecc4202b2fed9af2477b1d3f441ad

SHA512
2241e3781cf099f2e36a9769602c71ccba1df0029e9b1949d0b35f529bf33b722f3db51739b6c720f7ff9e3d63e59de1815fff3753699bec7e9816eb5c3e6ac2

Download Submit
C:\Users\Admin\AppData\Local\Temp\3199323348.exe

Filesize
88KB

MD5
4505daf4c08fc8e8e1380911e98588aa

SHA1
d990eb1b2ccbb71c878944be37923b1ebd17bc72

SHA256
a2139600c569365149894405d411ea1401bafc8c7e8af1983d046cf087269c40

SHA512
bb57d11150086c3c61f9a8fdd2511e3e780a24362183a6b833f44484238451f23b74b244262009f38a8baa7254d07dfdd9d4209efcf426dfd4e651c47f2f8cec

Download Submit
C:\Users\Admin\AppData\Local\Temp\635D.exe

Filesize
9KB

MD5
8d8e6c7952a9dc7c0c73911c4dbc5518

SHA1
9098da03b33b2c822065b49d5220359c275d5e94

SHA256
feb4c3ae4566f0acbb9e0f55417b61fefd89dc50a4e684df780813fb01d61278

SHA512
91a573843c28dd32a9f31a60ba977f9a3d4bb19ffd1b7254333e09bcecef348c1b3220a348ebb2cb08edb57d56cb7737f026519da52199c9dc62c10aea236645

Download Submit
C:\Users\Admin\AppData\Local\Temp\826816592.exe

Filesize
7KB

MD5
1f0abf08afc2cd737aae9a255c8f55e1

SHA1
537711117ca2f3a3c9e4f5bb8d9c2513d06d2cbf

SHA256
ed1a5a83999330c81f957917d6ca6bc9a64aa2825ca0023a31ffc02ba422a0a5

SHA512
e638eabe89a447b79488903e7a6fa208827e8f2c96a3a4910e33d6b65e75bb9c6a5ae81cbe909578fd933a8e69f8ba1d750857478432e82dfac03b8f04b09291

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads