phorphiex | d746e41e18bb637062881aca207186dc3d005e79c857e025f89ce2a1b3e52ecf

General

Target
d746e41e18bb637062881aca207186dc3d005e79c857e025f89ce2a1b3e52ecf.exe
Size 392KB
Sample220725-c9b92abea5
SHA256 d746e41e18bb637062881aca207186dc3d005e79c857e025f89ce2a1b3e52ecf
MD5 712a19e062672ca95f393732f9250b6e
SHA1 687c166c40697686aecd7c5dac972361f3362676
SHA512 33d5779bae56f7231f841f691ed4ae48641a80baedb5c262ec4b86605a44cd0f02512b514241a3c2d4788c527308dc974382bd3c4ab0af74fe2e064235ed0c65
MD5 SHA1 SHA512

Score

10^/10

phorphiex evasion loader persistence trojan worm

Malware Config

Extracted

Family

phorphiex

C2

http://185.176.27.132/

Wallets

13cQ2H6oszrEnvw1ZGdsPix9gUayB8tzNa
qr5pm4d27z250wpz4sfy08ytghxn56kryvsw5tdw99
XfrM8P9YWSg8mQTxSCCxyHUeQjMEGx8vnE
DSG5PddW9wu1eKdLcx4f3KBF4wUvaBFaGc
0x373b9854c9e4511b920372f5495640cdc25d6832
LSermtCTLWeS683x17AtYuhNT8MpMmVmi8
t1XgRHyGj6YDNqkS5EWwdcXG1rjQPFFdUsR

Signatures

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

evasion trojan

Modify Registry

T1112

Modify Existing Service

T1031

Disabling Security Tools

T1089

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

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

Phorphiex payload 2 IoCs

resource	yara_rule
behavioral2/memory/3696-132-0x0000000002240000-0x000000000224E000-memory.dmp	family_phorphiex
behavioral2/memory/1964-141-0x0000000002290000-0x000000000229E000-memory.dmp	family_phorphiex

Windows security bypass 2 TTPs 6 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

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

Executes dropped EXE 1 IoCs

pid	Process
1964	sysbzwh.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\FirewallDisableNotify = "1"	sysbzwh.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	sysbzwh.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesOverride = "1"	sysbzwh.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	sysbzwh.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	sysbzwh.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	sysbzwh.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AutoUpdateDisableNotify = "1"	sysbzwh.exe

Adds Run key to start application 2 TTPs 2 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 Driver = "C:\\Windows\\149719423\\sysbzwh.exe"	d746e41e18bb637062881aca207186dc3d005e79c857e025f89ce2a1b3e52ecf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1101907861-274115917-2188613224-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Microsoft Windows Driver = "C:\\Windows\\149719423\\sysbzwh.exe"	d746e41e18bb637062881aca207186dc3d005e79c857e025f89ce2a1b3e52ecf.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\149719423\sysbzwh.exe	d746e41e18bb637062881aca207186dc3d005e79c857e025f89ce2a1b3e52ecf.exe
File opened for modification	C:\Windows\149719423\sysbzwh.exe	d746e41e18bb637062881aca207186dc3d005e79c857e025f89ce2a1b3e52ecf.exe
File opened for modification	C:\Windows\149719423	d746e41e18bb637062881aca207186dc3d005e79c857e025f89ce2a1b3e52ecf.exe

Suspicious behavior: EnumeratesProcesses 36 IoCs

pid	Process
3696	d746e41e18bb637062881aca207186dc3d005e79c857e025f89ce2a1b3e52ecf.exe
3696	d746e41e18bb637062881aca207186dc3d005e79c857e025f89ce2a1b3e52ecf.exe
3696	d746e41e18bb637062881aca207186dc3d005e79c857e025f89ce2a1b3e52ecf.exe
3696	d746e41e18bb637062881aca207186dc3d005e79c857e025f89ce2a1b3e52ecf.exe
3696	d746e41e18bb637062881aca207186dc3d005e79c857e025f89ce2a1b3e52ecf.exe
3696	d746e41e18bb637062881aca207186dc3d005e79c857e025f89ce2a1b3e52ecf.exe
3696	d746e41e18bb637062881aca207186dc3d005e79c857e025f89ce2a1b3e52ecf.exe
3696	d746e41e18bb637062881aca207186dc3d005e79c857e025f89ce2a1b3e52ecf.exe
3696	d746e41e18bb637062881aca207186dc3d005e79c857e025f89ce2a1b3e52ecf.exe
3696	d746e41e18bb637062881aca207186dc3d005e79c857e025f89ce2a1b3e52ecf.exe
3696	d746e41e18bb637062881aca207186dc3d005e79c857e025f89ce2a1b3e52ecf.exe
3696	d746e41e18bb637062881aca207186dc3d005e79c857e025f89ce2a1b3e52ecf.exe
3696	d746e41e18bb637062881aca207186dc3d005e79c857e025f89ce2a1b3e52ecf.exe
3696	d746e41e18bb637062881aca207186dc3d005e79c857e025f89ce2a1b3e52ecf.exe
3696	d746e41e18bb637062881aca207186dc3d005e79c857e025f89ce2a1b3e52ecf.exe
3696	d746e41e18bb637062881aca207186dc3d005e79c857e025f89ce2a1b3e52ecf.exe
3696	d746e41e18bb637062881aca207186dc3d005e79c857e025f89ce2a1b3e52ecf.exe
3696	d746e41e18bb637062881aca207186dc3d005e79c857e025f89ce2a1b3e52ecf.exe
1964	sysbzwh.exe
1964	sysbzwh.exe
1964	sysbzwh.exe
1964	sysbzwh.exe
1964	sysbzwh.exe
1964	sysbzwh.exe
1964	sysbzwh.exe
1964	sysbzwh.exe
1964	sysbzwh.exe
1964	sysbzwh.exe
1964	sysbzwh.exe
1964	sysbzwh.exe
1964	sysbzwh.exe
1964	sysbzwh.exe
1964	sysbzwh.exe
1964	sysbzwh.exe
1964	sysbzwh.exe
1964	sysbzwh.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3696	d746e41e18bb637062881aca207186dc3d005e79c857e025f89ce2a1b3e52ecf.exe
Token: SeDebugPrivilege	1964	sysbzwh.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3696	d746e41e18bb637062881aca207186dc3d005e79c857e025f89ce2a1b3e52ecf.exe
3696	d746e41e18bb637062881aca207186dc3d005e79c857e025f89ce2a1b3e52ecf.exe
1964	sysbzwh.exe
1964	sysbzwh.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3696 wrote to memory of 1964	3696	d746e41e18bb637062881aca207186dc3d005e79c857e025f89ce2a1b3e52ecf.exe	82
PID 3696 wrote to memory of 1964	3696	d746e41e18bb637062881aca207186dc3d005e79c857e025f89ce2a1b3e52ecf.exe	82
PID 3696 wrote to memory of 1964	3696	d746e41e18bb637062881aca207186dc3d005e79c857e025f89ce2a1b3e52ecf.exe	82

C:\Users\Admin\AppData\Local\Temp\d746e41e18bb637062881aca207186dc3d005e79c857e025f89ce2a1b3e52ecf.exe
"C:\Users\Admin\AppData\Local\Temp\d746e41e18bb637062881aca207186dc3d005e79c857e025f89ce2a1b3e52ecf.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3696
- C:\Windows\149719423\sysbzwh.exe
  C:\Windows\149719423\sysbzwh.exe
  2⤵
  - Modifies Windows Defender Real-time Protection settings
  - Windows security bypass
  - Executes dropped EXE
  - Windows security modification
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:1964

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

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

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Downloads

sysbzwh.exe

Path C:\Windows\149719423\sysbzwh.exe
Size 392KB
SHA256 d746e41e18bb637062881aca207186dc3d005e79c857e025f89ce2a1b3e52ecf
MD5 712a19e062672ca95f393732f9250b6e
SHA1 687c166c40697686aecd7c5dac972361f3362676
SHA512 33d5779bae56f7231f841f691ed4ae48641a80baedb5c262ec4b86605a44cd0f02512b514241a3c2d4788c527308dc974382bd3c4ab0af74fe2e064235ed0c65
SSDEEP 6144:X+dpdTNT1x8Q9E9IFzDY/bUlqFOxq2UuJhjDd3zITIVfu:udpdTNT1qQq9IRab3kjDNzITIVG
MD5 SHA1 SHA512 SSDEEP

Submit Download

sysbzwh.exe

Path C:\Windows\149719423\sysbzwh.exe
Size 392KB
SHA256 d746e41e18bb637062881aca207186dc3d005e79c857e025f89ce2a1b3e52ecf
MD5 712a19e062672ca95f393732f9250b6e
SHA1 687c166c40697686aecd7c5dac972361f3362676
SHA512 33d5779bae56f7231f841f691ed4ae48641a80baedb5c262ec4b86605a44cd0f02512b514241a3c2d4788c527308dc974382bd3c4ab0af74fe2e064235ed0c65
SSDEEP 6144:X+dpdTNT1x8Q9E9IFzDY/bUlqFOxq2UuJhjDd3zITIVfu:udpdTNT1qQq9IRab3kjDNzITIVG
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/1964-140-0x0000000000400000-0x0000000000466000-memory.dmp

Download

memory/1964-141-0x0000000002290000-0x000000000229E000-memory.dmp

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memory/1964-146-0x0000000000400000-0x0000000000466000-memory.dmp

Download

memory/3696-130-0x0000000000400000-0x0000000000466000-memory.dmp

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memory/3696-131-0x0000000000400000-0x0000000000466000-memory.dmp

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memory/3696-132-0x0000000002240000-0x000000000224E000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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