phorphiex | 555513aa074aca680c4962f0078f43445a0d382e78046623d53203d8436bad99

General

Target

555513aa074aca680c4962f0078f43445a0d382e78046623d53203d8436bad99.bin.exe
Size

71KB
MD5

c532ac418f3e867907c2757a7ca56a53
SHA1

0583af526b3825a570237c0d954c445fb30948d3
SHA256

555513aa074aca680c4962f0078f43445a0d382e78046623d53203d8436bad99
SHA512

4d906dfa69bd84c5a7b37cb1139c9de2ce3025bcc6ee0f5d36444c9f75c31e03c8d06d6379ff7ba526a72cce319f979a9e2cbc18bd096e5d4bff53839761608c

Score

10^/10

phorphiex evasion loader persistence trojan worm

Malware Config

Signatures

Phorphiex Payload 2 IoCs

resource	yara_rule
behavioral2/files/0x000600000001ab0d-119.dat	family_phorphiex
behavioral2/files/0x000600000001ab0d-120.dat	family_phorphiex

Phorphiex Worm
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
evasion trojan

Disabling Security Tools
T1089

Modify Registry
T1112

Executes dropped EXE 1 IoCs

pid	Process
2140	wsecsvcmgr.exe

Windows security modification 2 TTPs 7 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Microsoft Windows Update Service = "C:\\Windows\\wsecsvcmgr.exe"	555513aa074aca680c4962f0078f43445a0d382e78046623d53203d8436bad99.bin.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\wsecsvcmgr.exe	555513aa074aca680c4962f0078f43445a0d382e78046623d53203d8436bad99.bin.exe
File opened for modification	C:\Windows\wsecsvcmgr.exe	555513aa074aca680c4962f0078f43445a0d382e78046623d53203d8436bad99.bin.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3620 wrote to memory of 2140	3620	555513aa074aca680c4962f0078f43445a0d382e78046623d53203d8436bad99.bin.exe	68
PID 3620 wrote to memory of 2140	3620	555513aa074aca680c4962f0078f43445a0d382e78046623d53203d8436bad99.bin.exe	68
PID 3620 wrote to memory of 2140	3620	555513aa074aca680c4962f0078f43445a0d382e78046623d53203d8436bad99.bin.exe	68

C:\Users\Admin\AppData\Local\Temp\555513aa074aca680c4962f0078f43445a0d382e78046623d53203d8436bad99.bin.exe
"C:\Users\Admin\AppData\Local\Temp\555513aa074aca680c4962f0078f43445a0d382e78046623d53203d8436bad99.bin.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:3620
- C:\Windows\wsecsvcmgr.exe
  C:\Windows\wsecsvcmgr.exe
  2⤵
  - Executes dropped EXE
  - Windows security modification
  PID:2140

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Disabling Security Tools

Modify Registry

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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