phorphiex | 8b92a6ff9d02bb8b218855735c6faf8af52a46197e858c8ccfcf33aa081ea4c6

Analysis

max time kernel
153s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
24/05/2022, 16:52

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General

Target
8b92a6ff9d02bb8b218855735c6faf8af52a46197e858c8ccfcf33aa081ea4c6.exe
Size 918KB
Sample220524-vdez6aaba7
SHA256 8b92a6ff9d02bb8b218855735c6faf8af52a46197e858c8ccfcf33aa081ea4c6
MD5 f0acb18d0c62443fe2e1b97665323c46
SHA1 37b958e773a8c39adbbd778ec30427b85e60dcfa
SHA512 d29b1e0f87257c76bd80fb166c0b1f97b2dbf769ae5a1fab4f68f61168da6e6903482775ba9771cccd5ad0283f31cdb85bb27f564f0d6a6297c6f1853326b9c9
MD5 SHA1 SHA512

Score

10^/10

phorphiex loader persistence trojan worm

Malware Config

Signatures

Phorphiex Payload 1 IoCs

resource	yara_rule
behavioral2/memory/1804-131-0x0000000000400000-0x00000000004E8000-memory.dmp	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
2916	svchost.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\Host Process for Windows Services = "C:\\Windows\\180591375929216\\svchost.exe"	8b92a6ff9d02bb8b218855735c6faf8af52a46197e858c8ccfcf33aa081ea4c6.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Host Process for Windows Services = "C:\\Windows\\180591375929216\\svchost.exe"	8b92a6ff9d02bb8b218855735c6faf8af52a46197e858c8ccfcf33aa081ea4c6.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\180591375929216\svchost.exe	8b92a6ff9d02bb8b218855735c6faf8af52a46197e858c8ccfcf33aa081ea4c6.exe
File opened for modification	C:\Windows\180591375929216\svchost.exe	8b92a6ff9d02bb8b218855735c6faf8af52a46197e858c8ccfcf33aa081ea4c6.exe
File opened for modification	C:\Windows\180591375929216	8b92a6ff9d02bb8b218855735c6faf8af52a46197e858c8ccfcf33aa081ea4c6.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1804 wrote to memory of 2916	1804	8b92a6ff9d02bb8b218855735c6faf8af52a46197e858c8ccfcf33aa081ea4c6.exe	83
PID 1804 wrote to memory of 2916	1804	8b92a6ff9d02bb8b218855735c6faf8af52a46197e858c8ccfcf33aa081ea4c6.exe	83
PID 1804 wrote to memory of 2916	1804	8b92a6ff9d02bb8b218855735c6faf8af52a46197e858c8ccfcf33aa081ea4c6.exe	83

C:\Users\Admin\AppData\Local\Temp\8b92a6ff9d02bb8b218855735c6faf8af52a46197e858c8ccfcf33aa081ea4c6.exe
"C:\Users\Admin\AppData\Local\Temp\8b92a6ff9d02bb8b218855735c6faf8af52a46197e858c8ccfcf33aa081ea4c6.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1804
- C:\Windows\180591375929216\svchost.exe
  C:\Windows\180591375929216\svchost.exe
  2⤵
  - Executes dropped EXE
  PID:2916

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

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Downloads

memory/1804-130-0x00000000005D0000-0x00000000005DF000-memory.dmp

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memory/1804-131-0x0000000000400000-0x00000000004E8000-memory.dmp

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memory/2916-135-0x0000000002420000-0x000000000242F000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads