phorphiex | be068de9e770469a4969741b399e6e2c36e9dc1eb93ffd51c777b6f1aab97168

General

Target
be068de9e770469a4969741b399e6e2c36e9dc1eb93ffd51c777b6f1aab97168N.exe
Size 102KB
Sample241128-yygw2aypas
SHA256 be068de9e770469a4969741b399e6e2c36e9dc1eb93ffd51c777b6f1aab97168
MD5 5e4a29705f3aebceec775589526d58f0
SHA1 feb9b4dd956f4158c7b18fe64813b88a2003ba88
SHA512 93e24958d978066bdef7e59b6f1f2ae3389be8e5a84f8d148c5a057abf3b6785c3593c65fd130a65806f0bae193377738c8371e4e9cb9bbe88651ca30eae7217
SSDEEP 1536:z3Mz8oy284usnjFzuNXoaSTM98qKH5Fn18CAkewoAd+ypy18FRn:YwofxFK5oagMNO5FyCAfKMypy1o
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

phorphiex discovery evasion loader persistence trojan worm

Malware Config

Signatures

Phorphiex family
phorphiex

Phorphiex payload 4 IoCs

resource	yara_rule
behavioral2/memory/4468-0-0x0000000000400000-0x000000000041C000-memory.dmp	family_phorphiex
behavioral2/files/0x0009000000023ca4-4.dat	family_phorphiex
behavioral2/memory/4468-6-0x0000000000400000-0x000000000041C000-memory.dmp	family_phorphiex
behavioral2/memory/2560-8-0x0000000000400000-0x000000000041C000-memory.dmp	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\FirewallOverride = "1"	wsecsvcmgr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "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

Executes dropped EXE 1 IoCs

pid	Process
2560	wsecsvcmgr.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\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

T1547.001

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"	be068de9e770469a4969741b399e6e2c36e9dc1eb93ffd51c777b6f1aab97168N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\wsecsvcmgr.exe	be068de9e770469a4969741b399e6e2c36e9dc1eb93ffd51c777b6f1aab97168N.exe
File opened for modification	C:\Windows\wsecsvcmgr.exe	be068de9e770469a4969741b399e6e2c36e9dc1eb93ffd51c777b6f1aab97168N.exe

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	be068de9e770469a4969741b399e6e2c36e9dc1eb93ffd51c777b6f1aab97168N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wsecsvcmgr.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4468 wrote to memory of 2560	4468	be068de9e770469a4969741b399e6e2c36e9dc1eb93ffd51c777b6f1aab97168N.exe	83
PID 4468 wrote to memory of 2560	4468	be068de9e770469a4969741b399e6e2c36e9dc1eb93ffd51c777b6f1aab97168N.exe	83
PID 4468 wrote to memory of 2560	4468	be068de9e770469a4969741b399e6e2c36e9dc1eb93ffd51c777b6f1aab97168N.exe	83

C:\Users\Admin\AppData\Local\Temp\be068de9e770469a4969741b399e6e2c36e9dc1eb93ffd51c777b6f1aab97168N.exe
"C:\Users\Admin\AppData\Local\Temp\be068de9e770469a4969741b399e6e2c36e9dc1eb93ffd51c777b6f1aab97168N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4468
- C:\Windows\wsecsvcmgr.exe
  C:\Windows\wsecsvcmgr.exe
  2⤵
  - Windows security bypass
  - Executes dropped EXE
  - Windows security modification
  - System Location Discovery: System Language Discovery
  PID:2560

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

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

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

wsecsvcmgr.exe

Path C:\Windows\wsecsvcmgr.exe
Size 102KB
SHA256 be068de9e770469a4969741b399e6e2c36e9dc1eb93ffd51c777b6f1aab97168
MD5 5e4a29705f3aebceec775589526d58f0
SHA1 feb9b4dd956f4158c7b18fe64813b88a2003ba88
SHA512 93e24958d978066bdef7e59b6f1f2ae3389be8e5a84f8d148c5a057abf3b6785c3593c65fd130a65806f0bae193377738c8371e4e9cb9bbe88651ca30eae7217
SSDEEP 1536:z3Mz8oy284usnjFzuNXoaSTM98qKH5Fn18CAkewoAd+ypy18FRn:YwofxFK5oagMNO5FyCAfKMypy1o
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/2560-8-0x0000000000400000-0x000000000041C000-memory.dmp

Download

memory/4468-0-0x0000000000400000-0x000000000041C000-memory.dmp

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memory/4468-6-0x0000000000400000-0x000000000041C000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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