phorphiex | 96c57e456b9cd614a632edd4563ac70cb08fc34db2c2398c2c9aaa4ed920445f

Analysis

max time kernel
165s
max time network
160s
platform
windows10_x64
resource
win10-en-20211208
submitted
30/01/2022, 22:55

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General

Target
96c57e456b9cd614a632edd4563ac70cb08fc34db2c2398c2c9aaa4ed920445f.exe
Size 70KB
Sample220130-2whbkabfgk
SHA256 96c57e456b9cd614a632edd4563ac70cb08fc34db2c2398c2c9aaa4ed920445f
MD5 f60b2f25c72f60ce52d7c8abd3203e73
SHA1 665be01fa9e0fce4ac93492522f086daf707885c
SHA512 20487cab969831ecf585c984490971d06d8d8e066ab34358feec6133c6c81bdd418aefbc2d102bca0bc27153f2bce3431c456f2f810e52142e83a4e638019da3
MD5 SHA1 SHA512

Score

10^/10

phorphiex loader persistence trojan worm

Malware Config

Signatures

Phorphiex Payload 2 IoCs

resource	yara_rule
behavioral2/files/0x000800000001aaf9-115.dat	family_phorphiex
behavioral2/files/0x000800000001aaf9-116.dat	family_phorphiex

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

Executes dropped EXE 1 IoCs

pid	Process
580	wescgsvcs.exe

Adds Run key to start application 2 TTPs 1 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 Update Service = "C:\\Windows\\wescgsvcs.exe"	96c57e456b9cd614a632edd4563ac70cb08fc34db2c2398c2c9aaa4ed920445f.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\wescgsvcs.exe	96c57e456b9cd614a632edd4563ac70cb08fc34db2c2398c2c9aaa4ed920445f.exe
File opened for modification	C:\Windows\wescgsvcs.exe	96c57e456b9cd614a632edd4563ac70cb08fc34db2c2398c2c9aaa4ed920445f.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2188 wrote to memory of 580	2188	96c57e456b9cd614a632edd4563ac70cb08fc34db2c2398c2c9aaa4ed920445f.exe	68
PID 2188 wrote to memory of 580	2188	96c57e456b9cd614a632edd4563ac70cb08fc34db2c2398c2c9aaa4ed920445f.exe	68
PID 2188 wrote to memory of 580	2188	96c57e456b9cd614a632edd4563ac70cb08fc34db2c2398c2c9aaa4ed920445f.exe	68

C:\Users\Admin\AppData\Local\Temp\96c57e456b9cd614a632edd4563ac70cb08fc34db2c2398c2c9aaa4ed920445f.exe
"C:\Users\Admin\AppData\Local\Temp\96c57e456b9cd614a632edd4563ac70cb08fc34db2c2398c2c9aaa4ed920445f.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2188
- C:\Windows\wescgsvcs.exe
  C:\Windows\wescgsvcs.exe
  2⤵
  - Executes dropped EXE
  PID:580

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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