phorphiex | 1efa6a64f673ff7c35dbc94781e9c9e7529edd1235cce22cf50a0eca1e88d51e

General

Target

1efa6a64f673ff7c35dbc94781e9c9e7529edd1235cce22cf50a0eca1e88d51e.exe
Size

88KB
MD5

304fad5ef338d902ad76d7f63814b6e9
SHA1

a29d72518054769b7aa06c74cb4251dde249cc48
SHA256

1efa6a64f673ff7c35dbc94781e9c9e7529edd1235cce22cf50a0eca1e88d51e
SHA512

d6d67588d7e3f489dde78c3ce11de21894a38a950ba9542ff63a0aa60a8fad2c95a8d51c65f25950ae02f75da3f0f517ad5fe50da65741d160fe2af51cf51605
SSDEEP

1536:wL0IbNyFmav82fp0kdP6+0MTqEjXm/D5AKHK:c0cXO3pN6+JuEjaaKHK

Score

10^/10

phorphiex discovery 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

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

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

Phorphiex family
phorphiex

Phorphiex payload 1 IoCs

resource	yara_rule
behavioral2/files/0x000b000000023b72-3.dat	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

description	ioc	Process
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
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

Executes dropped EXE 1 IoCs

pid	Process
3412	sysmablsvr.exe

Windows security modification 2 TTPs 7 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

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\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
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	sysmablsvr.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Settings = "C:\\Windows\\sysmablsvr.exe"	1efa6a64f673ff7c35dbc94781e9c9e7529edd1235cce22cf50a0eca1e88d51e.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\sysmablsvr.exe	1efa6a64f673ff7c35dbc94781e9c9e7529edd1235cce22cf50a0eca1e88d51e.exe
File opened for modification	C:\Windows\sysmablsvr.exe	1efa6a64f673ff7c35dbc94781e9c9e7529edd1235cce22cf50a0eca1e88d51e.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1324	3412	WerFault.exe	82

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1efa6a64f673ff7c35dbc94781e9c9e7529edd1235cce22cf50a0eca1e88d51e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sysmablsvr.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4488 wrote to memory of 3412	4488	1efa6a64f673ff7c35dbc94781e9c9e7529edd1235cce22cf50a0eca1e88d51e.exe	82
PID 4488 wrote to memory of 3412	4488	1efa6a64f673ff7c35dbc94781e9c9e7529edd1235cce22cf50a0eca1e88d51e.exe	82
PID 4488 wrote to memory of 3412	4488	1efa6a64f673ff7c35dbc94781e9c9e7529edd1235cce22cf50a0eca1e88d51e.exe	82

C:\Users\Admin\AppData\Local\Temp\1efa6a64f673ff7c35dbc94781e9c9e7529edd1235cce22cf50a0eca1e88d51e.exe
"C:\Users\Admin\AppData\Local\Temp\1efa6a64f673ff7c35dbc94781e9c9e7529edd1235cce22cf50a0eca1e88d51e.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4488
- C:\Windows\sysmablsvr.exe
  C:\Windows\sysmablsvr.exe
  2⤵
  - Modifies security service
  - Windows security bypass
  - Executes dropped EXE
  - Windows security modification
  - System Location Discovery: System Language Discovery
  PID:3412
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3412 -s 1284
    3⤵
    - Program crash
    PID:1324

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3412 -ip 3412
1⤵
PID:4168

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

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\sysmablsvr.exe

Filesize
88KB

MD5
304fad5ef338d902ad76d7f63814b6e9

SHA1
a29d72518054769b7aa06c74cb4251dde249cc48

SHA256
1efa6a64f673ff7c35dbc94781e9c9e7529edd1235cce22cf50a0eca1e88d51e

SHA512
d6d67588d7e3f489dde78c3ce11de21894a38a950ba9542ff63a0aa60a8fad2c95a8d51c65f25950ae02f75da3f0f517ad5fe50da65741d160fe2af51cf51605

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads