phorphiex | 8f49d7e3596aff4c8cd3aa38d0dc6911ae77e54cc3b13210d95c9f38063317a9

General

Target

8f49d7e3596aff4c8cd3aa38d0dc6911ae77e54cc3b13210d95c9f38063317a9.bin.exe
Size

69KB
MD5

5bbd9bc7dafd0a6076ed450aa18afc0a
SHA1

3ec5aa4b6185a505c521b07268d19a12455754e5
SHA256

8f49d7e3596aff4c8cd3aa38d0dc6911ae77e54cc3b13210d95c9f38063317a9
SHA512

2d5f87490b90611bc9602c4f36933294f1021b20893275429b2d36b5e2b691d0eb8703579373dc43929902387032f74a51c7a7ec98aff3a3764d13d0bc8bbd3a

Score

10^/10

phorphiex evasion loader persistence trojan worm

Malware Config

Signatures

Phorphiex Payload 2 IoCs

Processes:

resource	yara_rule
C:\Windows\wudsvsmgr.exe	family_phorphiex
C:\Windows\wudsvsmgr.exe	family_phorphiex

Phorphiex Worm
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
evasion trojan

Disabling Security Tools
T1089

Modify Registry
T1112
Executes dropped EXE 1 IoCs

Processes:

wudsvsmgr.exe

pid process

1656 wudsvsmgr.exe

pid	process
1656	wudsvsmgr.exe

Windows security modification 2 TTPs 7 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

Processes:

wudsvsmgr.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	wudsvsmgr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	wudsvsmgr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiSpywareOverride = "1"	wudsvsmgr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	wudsvsmgr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	wudsvsmgr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesOverride = "1"	wudsvsmgr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	wudsvsmgr.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

8f49d7e3596aff4c8cd3aa38d0dc6911ae77e54cc3b13210d95c9f38063317a9.bin.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Microsoft Windows Update Service = "C:\\Windows\\wudsvsmgr.exe"	8f49d7e3596aff4c8cd3aa38d0dc6911ae77e54cc3b13210d95c9f38063317a9.bin.exe

Drops file in Windows directory 2 IoCs

Processes:

8f49d7e3596aff4c8cd3aa38d0dc6911ae77e54cc3b13210d95c9f38063317a9.bin.exe

description	ioc	process
File created	C:\Windows\wudsvsmgr.exe	8f49d7e3596aff4c8cd3aa38d0dc6911ae77e54cc3b13210d95c9f38063317a9.bin.exe
File opened for modification	C:\Windows\wudsvsmgr.exe	8f49d7e3596aff4c8cd3aa38d0dc6911ae77e54cc3b13210d95c9f38063317a9.bin.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

8f49d7e3596aff4c8cd3aa38d0dc6911ae77e54cc3b13210d95c9f38063317a9.bin.exe

description	pid	process	target process
PID 1524 wrote to memory of 1656	1524	8f49d7e3596aff4c8cd3aa38d0dc6911ae77e54cc3b13210d95c9f38063317a9.bin.exe	wudsvsmgr.exe
PID 1524 wrote to memory of 1656	1524	8f49d7e3596aff4c8cd3aa38d0dc6911ae77e54cc3b13210d95c9f38063317a9.bin.exe	wudsvsmgr.exe
PID 1524 wrote to memory of 1656	1524	8f49d7e3596aff4c8cd3aa38d0dc6911ae77e54cc3b13210d95c9f38063317a9.bin.exe	wudsvsmgr.exe
PID 1524 wrote to memory of 1656	1524	8f49d7e3596aff4c8cd3aa38d0dc6911ae77e54cc3b13210d95c9f38063317a9.bin.exe	wudsvsmgr.exe

C:\Users\Admin\AppData\Local\Temp\8f49d7e3596aff4c8cd3aa38d0dc6911ae77e54cc3b13210d95c9f38063317a9.bin.exe
"C:\Users\Admin\AppData\Local\Temp\8f49d7e3596aff4c8cd3aa38d0dc6911ae77e54cc3b13210d95c9f38063317a9.bin.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1524
- C:\Windows\wudsvsmgr.exe
  C:\Windows\wudsvsmgr.exe
  2⤵
  - Executes dropped EXE
  - Windows security modification
  PID:1656

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

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

C:\Windows\wudsvsmgr.exe

MD5
5bbd9bc7dafd0a6076ed450aa18afc0a

SHA1
3ec5aa4b6185a505c521b07268d19a12455754e5

SHA256
8f49d7e3596aff4c8cd3aa38d0dc6911ae77e54cc3b13210d95c9f38063317a9

SHA512
2d5f87490b90611bc9602c4f36933294f1021b20893275429b2d36b5e2b691d0eb8703579373dc43929902387032f74a51c7a7ec98aff3a3764d13d0bc8bbd3a

Download Submit
C:\Windows\wudsvsmgr.exe

MD5
5bbd9bc7dafd0a6076ed450aa18afc0a

SHA1
3ec5aa4b6185a505c521b07268d19a12455754e5

SHA256
8f49d7e3596aff4c8cd3aa38d0dc6911ae77e54cc3b13210d95c9f38063317a9

SHA512
2d5f87490b90611bc9602c4f36933294f1021b20893275429b2d36b5e2b691d0eb8703579373dc43929902387032f74a51c7a7ec98aff3a3764d13d0bc8bbd3a

Download Submit
memory/1524-54-0x0000000075D51000-0x0000000075D53000-memory.dmp

Filesize
8KB

Download
memory/1656-55-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads