phorphiex | 3ecb650c471d7c8291d084fffd634da0eddc9a473d29792d5033fe5fdcbf4ddd

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
01/07/2022, 05:08

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General

Target
3ecb650c471d7c8291d084fffd634da0eddc9a473d29792d5033fe5fdcbf4ddd.exe
Size 400KB
Sample220701-fsx2ysdchk
SHA256 3ecb650c471d7c8291d084fffd634da0eddc9a473d29792d5033fe5fdcbf4ddd
MD5 80f5f2296cae3bea63fc14a867d97dd4
SHA1 d3d87cc1e2f1d0df7ccc78e819fb58adc584caae
SHA512 163e2bd5fc1d85ddaa9aea7933ccde7e49733b256304695918c7ae2b6ff790235eeedba26a4a95c79554f924289d885f6796bd7136c46299c516ebdabb8eba1d
MD5 SHA1 SHA512

Score

10^/10

phorphiex evasion loader persistence suricata trojan worm

Malware Config

Extracted

Family

phorphiex

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
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	sysipbk.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	sysipbk.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	sysipbk.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	sysipbk.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/2992-132-0x00000000021F0000-0x00000000021FD000-memory.dmp	family_phorphiex
behavioral2/memory/4356-143-0x0000000002100000-0x000000000210D000-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"	sysipbk.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	sysipbk.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesOverride = "1"	sysipbk.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	sysipbk.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	sysipbk.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	sysipbk.exe

suricata: ET MALWARE Possible Compromised Host AnubisNetworks Sinkhole Cookie Value Snkz
suricata: ET MALWARE Possible Compromised Host AnubisNetworks Sinkhole Cookie Value Snkz
suricata

Executes dropped EXE 1 IoCs

pid	Process
4356	sysipbk.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"	sysipbk.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	sysipbk.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesOverride = "1"	sysipbk.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	sysipbk.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	sysipbk.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	sysipbk.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AutoUpdateDisableNotify = "1"	sysipbk.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\\1722225335\\sysipbk.exe"	3ecb650c471d7c8291d084fffd634da0eddc9a473d29792d5033fe5fdcbf4ddd.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Microsoft Windows Driver = "C:\\Windows\\1722225335\\sysipbk.exe"	3ecb650c471d7c8291d084fffd634da0eddc9a473d29792d5033fe5fdcbf4ddd.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\1722225335\sysipbk.exe	3ecb650c471d7c8291d084fffd634da0eddc9a473d29792d5033fe5fdcbf4ddd.exe
File opened for modification	C:\Windows\1722225335\sysipbk.exe	3ecb650c471d7c8291d084fffd634da0eddc9a473d29792d5033fe5fdcbf4ddd.exe
File opened for modification	C:\Windows\1722225335	3ecb650c471d7c8291d084fffd634da0eddc9a473d29792d5033fe5fdcbf4ddd.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2992	3ecb650c471d7c8291d084fffd634da0eddc9a473d29792d5033fe5fdcbf4ddd.exe
Token: SeDebugPrivilege	4356	sysipbk.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2992	3ecb650c471d7c8291d084fffd634da0eddc9a473d29792d5033fe5fdcbf4ddd.exe
2992	3ecb650c471d7c8291d084fffd634da0eddc9a473d29792d5033fe5fdcbf4ddd.exe
4356	sysipbk.exe
4356	sysipbk.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2992 wrote to memory of 4356	2992	3ecb650c471d7c8291d084fffd634da0eddc9a473d29792d5033fe5fdcbf4ddd.exe	89
PID 2992 wrote to memory of 4356	2992	3ecb650c471d7c8291d084fffd634da0eddc9a473d29792d5033fe5fdcbf4ddd.exe	89
PID 2992 wrote to memory of 4356	2992	3ecb650c471d7c8291d084fffd634da0eddc9a473d29792d5033fe5fdcbf4ddd.exe	89

C:\Users\Admin\AppData\Local\Temp\3ecb650c471d7c8291d084fffd634da0eddc9a473d29792d5033fe5fdcbf4ddd.exe
"C:\Users\Admin\AppData\Local\Temp\3ecb650c471d7c8291d084fffd634da0eddc9a473d29792d5033fe5fdcbf4ddd.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2992
- C:\Windows\1722225335\sysipbk.exe
  C:\Windows\1722225335\sysipbk.exe
  2⤵
  - Modifies Windows Defender Real-time Protection settings
  - Windows security bypass
  - Executes dropped EXE
  - Windows security modification
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:4356

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

T1031

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Disabling Security Tools

T1089

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

sysipbk.exe

Path C:\Windows\1722225335\sysipbk.exe
Size 400KB
SHA256 3ecb650c471d7c8291d084fffd634da0eddc9a473d29792d5033fe5fdcbf4ddd
MD5 80f5f2296cae3bea63fc14a867d97dd4
SHA1 d3d87cc1e2f1d0df7ccc78e819fb58adc584caae
SHA512 163e2bd5fc1d85ddaa9aea7933ccde7e49733b256304695918c7ae2b6ff790235eeedba26a4a95c79554f924289d885f6796bd7136c46299c516ebdabb8eba1d
SSDEEP 6144:aUqlfcSUI4cS/KJ445VSnJ9k9H1biWU7zYWflNc8UjpCfrF:1qlfclfkv5VcJ2fbiL7z14pCx
MD5 SHA1 SHA512 SSDEEP

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sysipbk.exe

Path C:\Windows\1722225335\sysipbk.exe
Size 400KB
SHA256 3ecb650c471d7c8291d084fffd634da0eddc9a473d29792d5033fe5fdcbf4ddd
MD5 80f5f2296cae3bea63fc14a867d97dd4
SHA1 d3d87cc1e2f1d0df7ccc78e819fb58adc584caae
SHA512 163e2bd5fc1d85ddaa9aea7933ccde7e49733b256304695918c7ae2b6ff790235eeedba26a4a95c79554f924289d885f6796bd7136c46299c516ebdabb8eba1d
SSDEEP 6144:aUqlfcSUI4cS/KJ445VSnJ9k9H1biWU7zYWflNc8UjpCfrF:1qlfclfkv5VcJ2fbiL7z14pCx
MD5 SHA1 SHA512 SSDEEP

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memory/2992-130-0x0000000000400000-0x0000000000469000-memory.dmp

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memory/2992-131-0x0000000000400000-0x0000000000469000-memory.dmp

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memory/2992-132-0x00000000021F0000-0x00000000021FD000-memory.dmp

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memory/2992-137-0x0000000000400000-0x0000000000469000-memory.dmp

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memory/4356-141-0x0000000000400000-0x0000000000469000-memory.dmp

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memory/4356-142-0x0000000000400000-0x0000000000469000-memory.dmp

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memory/4356-143-0x0000000002100000-0x000000000210D000-memory.dmp

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memory/4356-148-0x0000000000400000-0x0000000000469000-memory.dmp

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Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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