phorphiex | f232d44ffbe31f8b3882daea280058828dc9d72ae2580d4c1b80eb61853de53c

General

Target

2024-07-10_7d7c645ddcaf6f275c89aebf64db0725_avoslocker_cobalt-strike.exe
Size

937KB
MD5

7d7c645ddcaf6f275c89aebf64db0725
SHA1

aad75031076449f86ea9ce3461bd70f30aab8b45
SHA256

f232d44ffbe31f8b3882daea280058828dc9d72ae2580d4c1b80eb61853de53c
SHA512

ee4c18ffa5de9534c126c6d1e7a9aaebc15bdeb47fbccf68570dff874f2d828c1f5cc1cf93a7e0d53d62227f84bf2180aedf3bb7ff989b2318d6a01a7d03638f
SSDEEP

24576:xNbP+i822rvtMR82UumYYmyUjWmfy7NWlVeh5WKg8QT6c:x5+j6+2UumYYmy4Wmfy5WlVeOKgQc

Score

10^/10

phorphiex evasion loader persistence 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
\Users\Admin\AppData\Local\Temp\80665173.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\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
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

Downloads MZ/PE file
Executes dropped EXE 3 IoCs

Processes:

5013.exe80665173.exesysmablsvr.exe

pid process

2724 5013.exe
2572 80665173.exe
2596 sysmablsvr.exe
Loads dropped DLL 3 IoCs

Processes:

2024-07-10_7d7c645ddcaf6f275c89aebf64db0725_avoslocker_cobalt-strike.exe5013.exe

pid process

2824 2024-07-10_7d7c645ddcaf6f275c89aebf64db0725_avoslocker_cobalt-strike.exe
2724 5013.exe
2724 5013.exe

pid	process
2724	5013.exe
2572	80665173.exe
2596	sysmablsvr.exe

pid	process
2824	2024-07-10_7d7c645ddcaf6f275c89aebf64db0725_avoslocker_cobalt-strike.exe
2724	5013.exe
2724	5013.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:

80665173.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Settings = "C:\\Windows\\sysmablsvr.exe"	80665173.exe

Drops file in Windows directory 2 IoCs

Processes:

80665173.exe

description ioc process

File created C:\Windows\sysmablsvr.exe 80665173.exe
File opened for modification C:\Windows\sysmablsvr.exe 80665173.exe

description	ioc	process
File created	C:\Windows\sysmablsvr.exe	80665173.exe
File opened for modification	C:\Windows\sysmablsvr.exe	80665173.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

2024-07-10_7d7c645ddcaf6f275c89aebf64db0725_avoslocker_cobalt-strike.exe5013.exe80665173.exe

description	pid	process	target process
PID 2824 wrote to memory of 2724	2824	2024-07-10_7d7c645ddcaf6f275c89aebf64db0725_avoslocker_cobalt-strike.exe	5013.exe
PID 2824 wrote to memory of 2724	2824	2024-07-10_7d7c645ddcaf6f275c89aebf64db0725_avoslocker_cobalt-strike.exe	5013.exe
PID 2824 wrote to memory of 2724	2824	2024-07-10_7d7c645ddcaf6f275c89aebf64db0725_avoslocker_cobalt-strike.exe	5013.exe
PID 2824 wrote to memory of 2724	2824	2024-07-10_7d7c645ddcaf6f275c89aebf64db0725_avoslocker_cobalt-strike.exe	5013.exe
PID 2724 wrote to memory of 2572	2724	5013.exe	80665173.exe
PID 2724 wrote to memory of 2572	2724	5013.exe	80665173.exe
PID 2724 wrote to memory of 2572	2724	5013.exe	80665173.exe
PID 2724 wrote to memory of 2572	2724	5013.exe	80665173.exe
PID 2572 wrote to memory of 2596	2572	80665173.exe	sysmablsvr.exe
PID 2572 wrote to memory of 2596	2572	80665173.exe	sysmablsvr.exe
PID 2572 wrote to memory of 2596	2572	80665173.exe	sysmablsvr.exe
PID 2572 wrote to memory of 2596	2572	80665173.exe	sysmablsvr.exe

C:\Users\Admin\AppData\Local\Temp\2024-07-10_7d7c645ddcaf6f275c89aebf64db0725_avoslocker_cobalt-strike.exe
"C:\Users\Admin\AppData\Local\Temp\2024-07-10_7d7c645ddcaf6f275c89aebf64db0725_avoslocker_cobalt-strike.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2824
- C:\Users\Admin\AppData\Local\Temp\5013.exe
  "C:\Users\Admin\AppData\Local\Temp\5013.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:2724
- - C:\Users\Admin\AppData\Local\Temp\80665173.exe
    C:\Users\Admin\AppData\Local\Temp\80665173.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Drops file in Windows directory
    - Suspicious use of WriteProcessMemory
    PID:2572
  - - C:\Windows\sysmablsvr.exe
      C:\Windows\sysmablsvr.exe
      4⤵
      Modifies security service
      Windows security bypass
      Executes dropped EXE
      Windows security modification
      PID:2596

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

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\5013.exe

Filesize
9KB

MD5
8d8e6c7952a9dc7c0c73911c4dbc5518

SHA1
9098da03b33b2c822065b49d5220359c275d5e94

SHA256
feb4c3ae4566f0acbb9e0f55417b61fefd89dc50a4e684df780813fb01d61278

SHA512
91a573843c28dd32a9f31a60ba977f9a3d4bb19ffd1b7254333e09bcecef348c1b3220a348ebb2cb08edb57d56cb7737f026519da52199c9dc62c10aea236645

Download Submit
\Users\Admin\AppData\Local\Temp\80665173.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 Enterprise v15

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Downloads