phorphiex | 68dd15c384e6d7b3fc6afeda9a17df9ffa55ed29861e9249751488b03abac2fc

General

Target

testDriver.exe
Size

73KB
MD5

45fcc38f53e4ba514815477f91618a47
SHA1

e971641482d77987e082289c38388052465b2117
SHA256

68dd15c384e6d7b3fc6afeda9a17df9ffa55ed29861e9249751488b03abac2fc
SHA512

99f0a43b7e0bf732a87cbb36c84ec10d72d4e60d3fa805c908597956cdde005d60e225f24d24da5a07747bd5265eeb78edc7e5f5c0da1f005cac5c21ac53f08d
SSDEEP

1536:q3Mz8qPJhOiwf80HUAB0jguYmi159R7wKcfF4:RwEJhOBHpuEHmi1ZEFfF

Score

10^/10

phorphiex discovery evasion loader persistence trojan worm

Malware Config

Extracted

Family

phorphiex

C2

http://185.215.113.66/twizt/

Wallets

12SJv5p8xUHeiKnXPCDaKCMpqvXj7TABT5BSxGt3csz9Beuc

1A6utf8R2zfLL7X31T5QRHdQyAx16BjdFD

3PFzu8Rw8aDNhDT6d5FMrZ3ckE4dEHzogfg

3BJS4zYwrnfcJMm4xLxRcsa69ght8n6QWz

qpzj59cm0dcyxy9597x927fx0wzu75nns5lsm2452k

XgWbWpuyPGney7hcS9vZ7eNhkj7WcvGcj8

DPcSSyFAYLu4aEB4s1Yotb8ANwtx6bZEQG

0xb899fC445a1b61Cdd62266795193203aa72351fE

LRDpmP5wHZ82LZimzWDLHVqJPDSpkM1gZ7

r1eZ7W1fmUT9tiUZwK6rr3g6RNiE4QpU1

TBdEh7r35ywUD5omutc2kDTX7rXhnFkxy5

t1T7mBRBgTYPEL9RPPBnAVgcftiWUPBFWyy

AGUqhQzF52Qwbvun5wQSrpokPtCC4b9yiX

bitcoincash:qpzj59cm0dcyxy9597x927fx0wzu75nns5lsm2452k

43ABGVDKXksdy7UTP8aHqkRf4xAVDmKKXBYDRevAadwaLJhHzH4ubZHGLjVpLc5ZWk7TVmHbHHAWUBF78mx1YG4eNbww6fr

GCVFMTUKNLFBGHE3AHRJH4IJDRZGWOJ6JD2FQTFQAAIQR64ALD7QJHUY

bnb1rcg9mnkzna2tw4u8ughyaj6ja8feyj87hss9ky

bc1qzs2hs5dvyx04h0erq4ea72sctcre2rcwadsq2v

Attributes

mutex
550032
user_agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.82 Safari/537.36

Signatures

Phorphiex payload 1 IoCs

resource	yara_rule
behavioral2/files/0x0002000000022b13-3.dat	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\UpdatesDisableNotify = "1"	sysredvcs.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	sysredvcs.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	sysredvcs.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	sysredvcs.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	sysredvcs.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesOverride = "1"	sysredvcs.exe

Executes dropped EXE 1 IoCs

pid	Process
3528	sysredvcs.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\FirewallOverride = "1"	sysredvcs.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	sysredvcs.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiSpywareOverride = "1"	sysredvcs.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	sysredvcs.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	sysredvcs.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesOverride = "1"	sysredvcs.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	sysredvcs.exe

Adds Run key to start application 2 TTPs 1 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\Windows Settings = "C:\\Windows\\sysredvcs.exe"	testDriver.exe

Drops file in Windows directory 2 IoCs

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

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2668 wrote to memory of 3528	2668	testDriver.exe	93
PID 2668 wrote to memory of 3528	2668	testDriver.exe	93
PID 2668 wrote to memory of 3528	2668	testDriver.exe	93

C:\Users\Admin\AppData\Local\Temp\testDriver.exe
"C:\Users\Admin\AppData\Local\Temp\testDriver.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2668
- C:\Windows\sysredvcs.exe
  C:\Windows\sysredvcs.exe
  2⤵
  - Windows security bypass
  - Executes dropped EXE
  - Windows security modification
  - System Location Discovery: System Language Discovery
  PID:3528

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

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Impair Defenses

2

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:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\FGDWJGSY\1[1]

Filesize
108KB

MD5
1fcb78fb6cf9720e9d9494c42142d885

SHA1
fef9c2e728ab9d56ce9ed28934b3182b6f1d5379

SHA256
84652bb8c63ca4fd7eb7a2d6ef44029801f3057aa2961867245a3a765928dd02

SHA512
cdf58e463af1784aea86995b3e5d6b07701c5c4095e30ec80cc901ffd448c6f4f714c521bf8796ffa8c47538bf8bf5351e157596efaa7ab88155d63dc33f7dc3

Download Submit
C:\Windows\sysredvcs.exe

Filesize
73KB

MD5
45fcc38f53e4ba514815477f91618a47

SHA1
e971641482d77987e082289c38388052465b2117

SHA256
68dd15c384e6d7b3fc6afeda9a17df9ffa55ed29861e9249751488b03abac2fc

SHA512
99f0a43b7e0bf732a87cbb36c84ec10d72d4e60d3fa805c908597956cdde005d60e225f24d24da5a07747bd5265eeb78edc7e5f5c0da1f005cac5c21ac53f08d

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads