phorphiex | f4909c420e208e4728116e8b0f4254c9f741d864f9618cddbe3f51b71f602066

General

Target

f4909c420e208e4728116e8b0f4254c9f741d864f9618cddbe3f51b71f602066.exe
Size

215KB
MD5

ab97f71125a89d4d3d0855b8a419d3e1
SHA1

2442d4a7cfbe7fd22708034c853faf9aa4337907
SHA256

f4909c420e208e4728116e8b0f4254c9f741d864f9618cddbe3f51b71f602066
SHA512

5abcab63f953a04d4c4a0eeb38f1716003fdecd2a8b465687e39f5bd492efe587bff06fedcc0724246f59a0b1e799765a6e49169b17728960c2cb066236f6038
SSDEEP

3072:krVZV7IFJc/+mKda7FpoXaoxRypPzB1DuFYJPrbLxYpj5S3BugoIvc/:krNEFJndso2vD3RrbLxYpj5gRy

Score

10^/10

phorphiex discovery evasion loader persistence trojan worm

Malware Config

Extracted

Family

phorphiex

C2

http://185.176.27.132/

http://urusurofhsorhfuuhp.su/

http://aeifaeifhutuhuhusp.su/

http://rzhsudhugugfugugsp.su/

http://bfagzzezgaegzgfaip.su/

http://eaeuafhuaegfugeudp.su/

http://aeufuaehfiuehfuhfp.su/

http://daedagheauehfuuhfp.su/

http://aeoughaoheguaoehdp.su/

http://eguaheoghouughahsp.su/

http://huaeokaefoaeguaehp.su/

http://afaeigaifgsgrhhafp.su/

http://afaigaeigieufuifip.su/

http://geauhouefheuutiiip.su/

http://gaoheeuofhefefhutp.su/

http://gaouehaehfoaeajrsp.su/

http://gaohrhurhuhruhfsdp.su/

http://gaghpaheiafhjefijp.su/

http://gaoehuoaoefhuhfugp.su/

http://aegohaohuoruitiiep.su/

Wallets

19mduWVW9QphW5W2caWF84wcGVSmASRYpf

qp5d3zpgldngtzf0xg2swnqaedfhn3kmsyhk7kp0yt

Xj2EfZ34QwSskhx4aRjWjGpLpMgNQWgYeV

DRkCr8Qum86fMBT3ceyzYBAGzD8pbRZmba

0xab1b250d67d08bf73ac864ea57af8cf762a29649

LVvqtuuqxcPbmqZ7VQju6kFTmQKZ58yXH2

t1dWznNU9rPvPLhmgUQTivyFYmCk4FhDKRc

Attributes

user_agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:67.0) Gecko/20100101 Firefox/67.0

Signatures

Modifies Windows Defender Real-time Protection settings 3 TTPs 4 IoCs

evasion trojan

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify Tools

T1562.001

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	sysldxr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	sysldxr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	sysldxr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	sysldxr.exe

Phorphiex family
phorphiex

Phorphiex payload 2 IoCs

resource	yara_rule
behavioral2/memory/4464-3-0x0000000002190000-0x000000000219A000-memory.dmp	family_phorphiex
behavioral2/memory/4024-11-0x0000000000670000-0x000000000067A000-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\AntiVirusOverride = "1"	sysldxr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesOverride = "1"	sysldxr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	sysldxr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	sysldxr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	sysldxr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	sysldxr.exe

Executes dropped EXE 1 IoCs

pid	Process
4024	sysldxr.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\FirewallDisableNotify = "1"	sysldxr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	sysldxr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesOverride = "1"	sysldxr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	sysldxr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	sysldxr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	sysldxr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AutoUpdateDisableNotify = "1"	sysldxr.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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Microsoft Windows Driver = "C:\\Windows\\211095764\\sysldxr.exe"	f4909c420e208e4728116e8b0f4254c9f741d864f9618cddbe3f51b71f602066.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Microsoft Windows Driver = "C:\\Windows\\211095764\\sysldxr.exe"	f4909c420e208e4728116e8b0f4254c9f741d864f9618cddbe3f51b71f602066.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\211095764\sysldxr.exe	f4909c420e208e4728116e8b0f4254c9f741d864f9618cddbe3f51b71f602066.exe
File opened for modification	C:\Windows\211095764	f4909c420e208e4728116e8b0f4254c9f741d864f9618cddbe3f51b71f602066.exe
File created	C:\Windows\211095764\sysldxr.exe	f4909c420e208e4728116e8b0f4254c9f741d864f9618cddbe3f51b71f602066.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	sysldxr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f4909c420e208e4728116e8b0f4254c9f741d864f9618cddbe3f51b71f602066.exe

Suspicious behavior: EnumeratesProcesses 36 IoCs

pid	Process
4464	f4909c420e208e4728116e8b0f4254c9f741d864f9618cddbe3f51b71f602066.exe
4464	f4909c420e208e4728116e8b0f4254c9f741d864f9618cddbe3f51b71f602066.exe
4464	f4909c420e208e4728116e8b0f4254c9f741d864f9618cddbe3f51b71f602066.exe
4464	f4909c420e208e4728116e8b0f4254c9f741d864f9618cddbe3f51b71f602066.exe
4464	f4909c420e208e4728116e8b0f4254c9f741d864f9618cddbe3f51b71f602066.exe
4464	f4909c420e208e4728116e8b0f4254c9f741d864f9618cddbe3f51b71f602066.exe
4464	f4909c420e208e4728116e8b0f4254c9f741d864f9618cddbe3f51b71f602066.exe
4464	f4909c420e208e4728116e8b0f4254c9f741d864f9618cddbe3f51b71f602066.exe
4464	f4909c420e208e4728116e8b0f4254c9f741d864f9618cddbe3f51b71f602066.exe
4464	f4909c420e208e4728116e8b0f4254c9f741d864f9618cddbe3f51b71f602066.exe
4464	f4909c420e208e4728116e8b0f4254c9f741d864f9618cddbe3f51b71f602066.exe
4464	f4909c420e208e4728116e8b0f4254c9f741d864f9618cddbe3f51b71f602066.exe
4464	f4909c420e208e4728116e8b0f4254c9f741d864f9618cddbe3f51b71f602066.exe
4464	f4909c420e208e4728116e8b0f4254c9f741d864f9618cddbe3f51b71f602066.exe
4464	f4909c420e208e4728116e8b0f4254c9f741d864f9618cddbe3f51b71f602066.exe
4464	f4909c420e208e4728116e8b0f4254c9f741d864f9618cddbe3f51b71f602066.exe
4464	f4909c420e208e4728116e8b0f4254c9f741d864f9618cddbe3f51b71f602066.exe
4464	f4909c420e208e4728116e8b0f4254c9f741d864f9618cddbe3f51b71f602066.exe
4024	sysldxr.exe
4024	sysldxr.exe
4024	sysldxr.exe
4024	sysldxr.exe
4024	sysldxr.exe
4024	sysldxr.exe
4024	sysldxr.exe
4024	sysldxr.exe
4024	sysldxr.exe
4024	sysldxr.exe
4024	sysldxr.exe
4024	sysldxr.exe
4024	sysldxr.exe
4024	sysldxr.exe
4024	sysldxr.exe
4024	sysldxr.exe
4024	sysldxr.exe
4024	sysldxr.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4464	f4909c420e208e4728116e8b0f4254c9f741d864f9618cddbe3f51b71f602066.exe
Token: SeDebugPrivilege	4024	sysldxr.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4464 wrote to memory of 4024	4464	f4909c420e208e4728116e8b0f4254c9f741d864f9618cddbe3f51b71f602066.exe	98
PID 4464 wrote to memory of 4024	4464	f4909c420e208e4728116e8b0f4254c9f741d864f9618cddbe3f51b71f602066.exe	98
PID 4464 wrote to memory of 4024	4464	f4909c420e208e4728116e8b0f4254c9f741d864f9618cddbe3f51b71f602066.exe	98

C:\Users\Admin\AppData\Local\Temp\f4909c420e208e4728116e8b0f4254c9f741d864f9618cddbe3f51b71f602066.exe
"C:\Users\Admin\AppData\Local\Temp\f4909c420e208e4728116e8b0f4254c9f741d864f9618cddbe3f51b71f602066.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4464
- C:\Windows\211095764\sysldxr.exe
  C:\Windows\211095764\sysldxr.exe
  2⤵
  - Modifies Windows Defender Real-time Protection settings
  - Windows security bypass
  - Executes dropped EXE
  - Windows security modification
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4024

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

3

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\211095764\sysldxr.exe

Filesize
215KB

MD5
ab97f71125a89d4d3d0855b8a419d3e1

SHA1
2442d4a7cfbe7fd22708034c853faf9aa4337907

SHA256
f4909c420e208e4728116e8b0f4254c9f741d864f9618cddbe3f51b71f602066

SHA512
5abcab63f953a04d4c4a0eeb38f1716003fdecd2a8b465687e39f5bd492efe587bff06fedcc0724246f59a0b1e799765a6e49169b17728960c2cb066236f6038

Download Submit
memory/4024-9-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4024-11-0x0000000000670000-0x000000000067A000-memory.dmp

Filesize
40KB

Download
memory/4464-0-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4464-1-0x0000000000413000-0x000000000041C000-memory.dmp

Filesize
36KB

Download
memory/4464-3-0x0000000002190000-0x000000000219A000-memory.dmp

Filesize
40KB

Download
memory/4464-4-0x0000000000413000-0x000000000041C000-memory.dmp

Filesize
36KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads