phorphiex | cacec7cf35fc455c63afb772f3ef8084c2badfcd73d68d9d17878017eeaa21d8

Analysis

max time kernel
149s
max time network
152s
platform
windows10_x64
resource
win10v20201028
submitted
06/11/2020, 00:52

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General

Target
SecuriteInfo.com.Trojan.Siggen10.41067.30324.20733.exe
Size 66KB
Sample201106-tfkylncnvj
SHA256 cacec7cf35fc455c63afb772f3ef8084c2badfcd73d68d9d17878017eeaa21d8
MD5 0330ca15737b3fb862072cfa22bafe01
SHA1 633026b9467600e9617e76e3e8dfaebe5ac9f91f
SHA512 63b4180d2a5478d8a86ddae7db1bb356083a3eb83fe7a91d012996ffe434fdadcf321c94bc30aeff1fc6fd4c5c51c1cf8107a0c98cb1be2f2b0bbacbffb95a44
MD5 SHA1 SHA512

Score

10^/10

phorphiex evasion loader persistence trojan worm

Malware Config

Signatures

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

pid	Process
1956	winsvcs.exe

Windows security modification 2 TTPs 4 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	winsvcs.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	winsvcs.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	winsvcs.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	winsvcs.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 Services = "C:\\16052180817149\\winsvcs.exe"	SecuriteInfo.com.Trojan.Siggen10.41067.30324.20733.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Windows\CurrentVersion\Run\Microsoft Windows Services = "C:\\16052180817149\\winsvcs.exe"	SecuriteInfo.com.Trojan.Siggen10.41067.30324.20733.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1140 wrote to memory of 1956	1140	SecuriteInfo.com.Trojan.Siggen10.41067.30324.20733.exe	79
PID 1140 wrote to memory of 1956	1140	SecuriteInfo.com.Trojan.Siggen10.41067.30324.20733.exe	79
PID 1140 wrote to memory of 1956	1140	SecuriteInfo.com.Trojan.Siggen10.41067.30324.20733.exe	79

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Siggen10.41067.30324.20733.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Siggen10.41067.30324.20733.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1140
- C:\16052180817149\winsvcs.exe
  C:\16052180817149\winsvcs.exe
  2⤵
  - Executes dropped EXE
  - Windows security modification
  PID:1956

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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