phorphiex | ae73ef74543ce177e7d376df37c9d497df69bdb3777a5e3efa5cc43205321414

General

Target

db3c481f3eff1160e337e7971ef1d5dc_JaffaCakes118.exe
Size

404KB
MD5

db3c481f3eff1160e337e7971ef1d5dc
SHA1

233bca64d79acfabeeffeb028d8b0a011be38de2
SHA256

ae73ef74543ce177e7d376df37c9d497df69bdb3777a5e3efa5cc43205321414
SHA512

9754726b363c4ea7df6a7226f24357f1b82b727c159d6b58c902dc5fab53896aeca728a91795a7bede94ac1df22e4d90dbde5fdfe3cd27d94b4119ee7e0bff72
SSDEEP

6144:u9qlSqfb+6C82rv7pQsvKC1j7BQRyDo5Sv307a05LiSzt:u9qRfb+6C8A7p/z6ygEd05LiEt

Score

10^/10

phorphiex evasion loader persistence trojan worm

Malware Config

Extracted

Family

phorphiex

C2

http://185.176.27.132/

Wallets

1Bn4JYKoVgQpZ73doWVFSNZBbwKj3cpJNR

qqsagteh4m6qunmgrrknulafzcdlmzn35yeggvq8qk

Xt8ZtCcG9BFoc7NfUNBVnxcTvYT4mmzh5i

D7otx94yAiXMUuuff23v8PAYH5XpkdQ89M

0x05F916216CC4BA6ac89b8093d474E2a1e6121c63

LUMrZN6GTetcrXtzMmRayLpRN9JrCNcTe7

t1PVHo3JR9ZAxMxRXgTziGBeDwfb5Gwm64z

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

Processes:

sysnfin.exe

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

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

Phorphiex payload 4 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4496-2-0x0000000002230000-0x000000000223D000-memory.dmp	family_phorphiex
behavioral2/memory/4496-9-0x0000000002230000-0x000000000223D000-memory.dmp	family_phorphiex
behavioral2/memory/1892-13-0x0000000002050000-0x000000000205D000-memory.dmp	family_phorphiex
behavioral2/memory/1892-14-0x0000000002050000-0x000000000205D000-memory.dmp	family_phorphiex

Windows security bypass 2 TTPs 6 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

sysnfin.exe

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

Executes dropped EXE 1 IoCs

Processes:

sysnfin.exe

pid process

1892 sysnfin.exe

pid	process
1892	sysnfin.exe

Windows security modification 2 TTPs 7 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

sysnfin.exe

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

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

db3c481f3eff1160e337e7971ef1d5dc_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Microsoft Windows Driver = "C:\\Windows\\494327524\\sysnfin.exe"	db3c481f3eff1160e337e7971ef1d5dc_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Microsoft Windows Driver = "C:\\Windows\\494327524\\sysnfin.exe"	db3c481f3eff1160e337e7971ef1d5dc_JaffaCakes118.exe

Drops file in Windows directory 3 IoCs

Processes:

db3c481f3eff1160e337e7971ef1d5dc_JaffaCakes118.exe

description	ioc	process
File opened for modification	C:\Windows\494327524\sysnfin.exe	db3c481f3eff1160e337e7971ef1d5dc_JaffaCakes118.exe
File opened for modification	C:\Windows\494327524	db3c481f3eff1160e337e7971ef1d5dc_JaffaCakes118.exe
File created	C:\Windows\494327524\sysnfin.exe	db3c481f3eff1160e337e7971ef1d5dc_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 36 IoCs

Processes:

db3c481f3eff1160e337e7971ef1d5dc_JaffaCakes118.exesysnfin.exe

pid	process
4496	db3c481f3eff1160e337e7971ef1d5dc_JaffaCakes118.exe
4496	db3c481f3eff1160e337e7971ef1d5dc_JaffaCakes118.exe
4496	db3c481f3eff1160e337e7971ef1d5dc_JaffaCakes118.exe
4496	db3c481f3eff1160e337e7971ef1d5dc_JaffaCakes118.exe
4496	db3c481f3eff1160e337e7971ef1d5dc_JaffaCakes118.exe
4496	db3c481f3eff1160e337e7971ef1d5dc_JaffaCakes118.exe
4496	db3c481f3eff1160e337e7971ef1d5dc_JaffaCakes118.exe
4496	db3c481f3eff1160e337e7971ef1d5dc_JaffaCakes118.exe
4496	db3c481f3eff1160e337e7971ef1d5dc_JaffaCakes118.exe
4496	db3c481f3eff1160e337e7971ef1d5dc_JaffaCakes118.exe
4496	db3c481f3eff1160e337e7971ef1d5dc_JaffaCakes118.exe
4496	db3c481f3eff1160e337e7971ef1d5dc_JaffaCakes118.exe
4496	db3c481f3eff1160e337e7971ef1d5dc_JaffaCakes118.exe
4496	db3c481f3eff1160e337e7971ef1d5dc_JaffaCakes118.exe
4496	db3c481f3eff1160e337e7971ef1d5dc_JaffaCakes118.exe
4496	db3c481f3eff1160e337e7971ef1d5dc_JaffaCakes118.exe
4496	db3c481f3eff1160e337e7971ef1d5dc_JaffaCakes118.exe
4496	db3c481f3eff1160e337e7971ef1d5dc_JaffaCakes118.exe
1892	sysnfin.exe
1892	sysnfin.exe
1892	sysnfin.exe
1892	sysnfin.exe
1892	sysnfin.exe
1892	sysnfin.exe
1892	sysnfin.exe
1892	sysnfin.exe
1892	sysnfin.exe
1892	sysnfin.exe
1892	sysnfin.exe
1892	sysnfin.exe
1892	sysnfin.exe
1892	sysnfin.exe
1892	sysnfin.exe
1892	sysnfin.exe
1892	sysnfin.exe
1892	sysnfin.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

db3c481f3eff1160e337e7971ef1d5dc_JaffaCakes118.exesysnfin.exe

description pid process

Token: SeDebugPrivilege 4496 db3c481f3eff1160e337e7971ef1d5dc_JaffaCakes118.exe
Token: SeDebugPrivilege 1892 sysnfin.exe
Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

db3c481f3eff1160e337e7971ef1d5dc_JaffaCakes118.exesysnfin.exe

pid process

4496 db3c481f3eff1160e337e7971ef1d5dc_JaffaCakes118.exe
4496 db3c481f3eff1160e337e7971ef1d5dc_JaffaCakes118.exe
1892 sysnfin.exe
1892 sysnfin.exe

description	pid	process
Token: SeDebugPrivilege	4496	db3c481f3eff1160e337e7971ef1d5dc_JaffaCakes118.exe
Token: SeDebugPrivilege	1892	sysnfin.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

db3c481f3eff1160e337e7971ef1d5dc_JaffaCakes118.exe

description	pid	process	target process
PID 4496 wrote to memory of 1892	4496	db3c481f3eff1160e337e7971ef1d5dc_JaffaCakes118.exe	sysnfin.exe
PID 4496 wrote to memory of 1892	4496	db3c481f3eff1160e337e7971ef1d5dc_JaffaCakes118.exe	sysnfin.exe
PID 4496 wrote to memory of 1892	4496	db3c481f3eff1160e337e7971ef1d5dc_JaffaCakes118.exe	sysnfin.exe

C:\Users\Admin\AppData\Local\Temp\db3c481f3eff1160e337e7971ef1d5dc_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\db3c481f3eff1160e337e7971ef1d5dc_JaffaCakes118.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:4496
- C:\Windows\494327524\sysnfin.exe
  C:\Windows\494327524\sysnfin.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:1892

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\494327524\sysnfin.exe

Filesize
404KB

MD5
db3c481f3eff1160e337e7971ef1d5dc

SHA1
233bca64d79acfabeeffeb028d8b0a011be38de2

SHA256
ae73ef74543ce177e7d376df37c9d497df69bdb3777a5e3efa5cc43205321414

SHA512
9754726b363c4ea7df6a7226f24357f1b82b727c159d6b58c902dc5fab53896aeca728a91795a7bede94ac1df22e4d90dbde5fdfe3cd27d94b4119ee7e0bff72

Download Submit
memory/1892-8-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/1892-10-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/1892-13-0x0000000002050000-0x000000000205D000-memory.dmp

Filesize
52KB

Download
memory/1892-14-0x0000000002050000-0x000000000205D000-memory.dmp

Filesize
52KB

Download
memory/1892-16-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4496-0-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4496-1-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4496-2-0x0000000002230000-0x000000000223D000-memory.dmp

Filesize
52KB

Download
memory/4496-9-0x0000000002230000-0x000000000223D000-memory.dmp

Filesize
52KB

Download
memory/4496-12-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads