phorphiex | 01a3465e5e0f616d60778d071f5c2357ff3064ff6c08086057556e47e6611e82

Analysis

max time kernel
143s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
04/03/2023, 23:04

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General

Target
tmp.exe
Size 75KB
Sample230304-22b2qsfb42
SHA256 01a3465e5e0f616d60778d071f5c2357ff3064ff6c08086057556e47e6611e82
MD5 19076f70cf529cbcb260befcc4595f1a
SHA1 e24619c6cc207f9ff26ca0ff553901de2e688ca0
SHA512 327d56cb76c2d7e57915189754073f89bec4ae204cd238ed713e885e5e5d1d6b13b4031ea56dcf86a418181ba30b1ae081fc39d0f14902827adcee3d29b54c2f
SSDEEP 1536:gM3Mz8bPS9b1Lc3HiCB+652qRqcfFGWveeeeeeeeeeeeeeeeeeeWeeeee:Ywb01LSCCo0PqcfFG
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

phorphiex loader persistence trojan worm

Malware Config

Extracted

Family

phorphiex

http://185.215.113.66/

Wallets

0x77BC9dDbaf423139eC0C7F699B676c72Ab34fcc7
TCX5ybBsuZE2BZk6GJMqZaCjBEjiuX1zPP
1Hw9tx4KyTq4oRoLVhPb4hjDJcLhEa4Tn6
qr89hag2967ef604ud3lw4pq8hmn69n46czwdnx3ut
XtxFdsKkRN3oVDXtN2ipcHeNi87basT2sL
LXMNcn9D8FQKzGNLjdSyR9dEM8Rsh9NzyX
rwn7tb5KQjXEjH42GgdHWHec5PPhVgqhSH
ARML6g7zynrwUHJbFJCCzMPiysUFXYBGgQ
48jYpFT6bT8MTeph7VsyzCQeDsGHqdQNc2kUkRFJPzfRHHjarBvBtudPUtParMkDzZbYBrd3yntWBQcsnVBNeeMbN9EXifg
3PL7YCa4akNYzuScqQwiSbtTP9q9E9PLreC
3FerB8kUraAVGCVCNkgv57zTBjUGjAUkU3
D9AJWrbYsidS9rAU146ifLRu1fzX9oQYSH
t1gvVWHnjbGTsoWXEyoTFojc2GqEzBgvbEn
bnb1cgttf7t5hu7ud3c436ufhcmy59qnkd09adqczd
bc1q0fusmmgycnhsd5cadsuz2hk8d4maausjfjypqg
bitcoincash:qr89hag2967ef604ud3lw4pq8hmn69n46czwdnx3ut
GAUCC7ZBSU2KJMHXOZD6AP5LOBGKNDPCDNRYP2CO2ACR63YCSUBNT5QE

Signatures

Phorphiex
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
3688	sysmsrvcx.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\Windows Settings = "C:\\Windows\\sysmsrvcx.exe"	tmp.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\sysmsrvcx.exe	tmp.exe
File opened for modification	C:\Windows\sysmsrvcx.exe	tmp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4324 wrote to memory of 3688	4324	tmp.exe	102
PID 4324 wrote to memory of 3688	4324	tmp.exe	102
PID 4324 wrote to memory of 3688	4324	tmp.exe	102

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:4324
- C:\Windows\sysmsrvcx.exe
  C:\Windows\sysmsrvcx.exe
  2⤵
  - Executes dropped EXE
  PID:3688

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

sysmsrvcx.exe

Path C:\Windows\sysmsrvcx.exe
Size 75KB
SHA256 01a3465e5e0f616d60778d071f5c2357ff3064ff6c08086057556e47e6611e82
MD5 19076f70cf529cbcb260befcc4595f1a
SHA1 e24619c6cc207f9ff26ca0ff553901de2e688ca0
SHA512 327d56cb76c2d7e57915189754073f89bec4ae204cd238ed713e885e5e5d1d6b13b4031ea56dcf86a418181ba30b1ae081fc39d0f14902827adcee3d29b54c2f
SSDEEP 1536:gM3Mz8bPS9b1Lc3HiCB+652qRqcfFGWveeeeeeeeeeeeeeeeeeeWeeeee:Ywb01LSCCo0PqcfFG
MD5 SHA1 SHA512 SSDEEP

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