phorphiex | 3bfc028ca2541bb8885beb3d8f9b285185ed54ed4724777fb729f8cefae8fee1

Analysis

max time kernel
84s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22/12/2023, 00:46

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
3bb1c1fd24a8e2cd98f7c20702c648e7.exe
Size 104KB
Sample231222-a4vhbabcc2
SHA256 3bfc028ca2541bb8885beb3d8f9b285185ed54ed4724777fb729f8cefae8fee1
MD5 3bb1c1fd24a8e2cd98f7c20702c648e7
SHA1 316661d187a04d1b76980128ab0633390573c74d
SHA512 7e372ee7ddcd51348ae87aae4bc8181b9e30678d5ad2dc3ac104ce1f4c2352f1e4a09a9483873d8d99c70cddca7c09aadcc2cba1b5015f5314dba519987775f5
SSDEEP 3072:Xl58BV2ZjooGTb5PjMdhS3KV3/jjKwcNHjo86r8X7FS8EFcq:158BIFveZjMrS3q3/jjKwcNHjo86r8rC
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

phorphiex evasion loader persistence trojan worm

Malware Config

Signatures

Phorphiex
Malware family which infects systems to distribute other malicious payloads such as ransomware, stealers and cryptominers.
worm trojan loader phorphiex

Phorphiex payload 1 IoCs

resource	yara_rule
behavioral2/files/0x0007000000023218-4.dat	family_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\AntiVirusDisableNotify = "1"	smss.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	smss.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	smss.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesOverride = "1"	smss.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	smss.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	smss.exe

Executes dropped EXE 1 IoCs

pid	Process
4360	smss.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\UpdatesOverride = "1"	smss.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	smss.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiSpywareOverride = "1"	smss.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	smss.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	smss.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	smss.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	smss.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Host Process for Windows Services = "C:\\148141918919031\\smss.exe"	3bb1c1fd24a8e2cd98f7c20702c648e7.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Host Process for Windows Services = "C:\\148141918919031\\smss.exe"	3bb1c1fd24a8e2cd98f7c20702c648e7.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1060 wrote to memory of 4360	1060	3bb1c1fd24a8e2cd98f7c20702c648e7.exe	97
PID 1060 wrote to memory of 4360	1060	3bb1c1fd24a8e2cd98f7c20702c648e7.exe	97
PID 1060 wrote to memory of 4360	1060	3bb1c1fd24a8e2cd98f7c20702c648e7.exe	97

C:\Users\Admin\AppData\Local\Temp\3bb1c1fd24a8e2cd98f7c20702c648e7.exe
"C:\Users\Admin\AppData\Local\Temp\3bb1c1fd24a8e2cd98f7c20702c648e7.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1060
- C:\148141918919031\smss.exe
  C:\148141918919031\smss.exe
  2⤵
  - Windows security bypass
  - Executes dropped EXE
  - Windows security modification
  PID:4360

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

smss.exe

Path C:\148141918919031\smss.exe
Size 104KB
SHA256 3bfc028ca2541bb8885beb3d8f9b285185ed54ed4724777fb729f8cefae8fee1
MD5 3bb1c1fd24a8e2cd98f7c20702c648e7
SHA1 316661d187a04d1b76980128ab0633390573c74d
SHA512 7e372ee7ddcd51348ae87aae4bc8181b9e30678d5ad2dc3ac104ce1f4c2352f1e4a09a9483873d8d99c70cddca7c09aadcc2cba1b5015f5314dba519987775f5
SSDEEP 3072:Xl58BV2ZjooGTb5PjMdhS3KV3/jjKwcNHjo86r8X7FS8EFcq:158BIFveZjMrS3q3/jjKwcNHjo86r8rC
MD5 SHA1 SHA512 SSDEEP

Submit Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads