phorphiex | 78bb6fe6bde75a9ba11d0d2f69306619290f90aa94448d6aa4da340d2144e1cb

General

Target
9a50980afb1c6a43cf38872e694bb7db.exe
Size 37KB
Sample210204-elntdgc8dn
SHA256 78bb6fe6bde75a9ba11d0d2f69306619290f90aa94448d6aa4da340d2144e1cb
MD5 9a50980afb1c6a43cf38872e694bb7db
SHA1 237aa3ee8c912e6f8326782b790327562cef8dd9
SHA512 fe6aaba3f46b1f2b73899b3dc92865fd803c2415bc80ecc6c07a7efd613b41ba34a4fa8c515c25b43bf3a83e37f688f9655f5668da1d54ffc1fc0f103ec7d9b8
MD5 SHA1 SHA512

Score

10^/10

phorphiex evasion loader persistence trojan worm

Malware Config

Signatures

Phorphiex Payload 6 IoCs

resource	yara_rule
behavioral2/files/0x0002000000015614-3.dat	family_phorphiex
behavioral2/files/0x0002000000015614-4.dat	family_phorphiex
behavioral2/files/0x0003000000015641-6.dat	family_phorphiex
behavioral2/files/0x0003000000015641-7.dat	family_phorphiex
behavioral2/files/0x0002000000015668-9.dat	family_phorphiex
behavioral2/files/0x0002000000015668-10.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
Windows security bypass 2 TTPs
evasion trojan

Disabling Security Tools
T1089

Modify Registry
T1112

Executes dropped EXE 5 IoCs

pid	Process
3116	svchost.exe
1928	1504732362.exe
2856	1544433843.exe
2060	3215326350.exe
3928	3511434783.exe

Windows security modification 2 TTPs 7 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiSpywareOverride = "1"	svchost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	svchost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	svchost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	svchost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	svchost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesOverride = "1"	svchost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	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:\\15889121124699\\svchost.exe"	9a50980afb1c6a43cf38872e694bb7db.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Software\Microsoft\Windows\CurrentVersion\Run\Host Process for Windows Services = "C:\\15889121124699\\svchost.exe"	9a50980afb1c6a43cf38872e694bb7db.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2060	3215326350.exe
2060	3215326350.exe
2060	3215326350.exe
2060	3215326350.exe
2060	3215326350.exe
2060	3215326350.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 636 wrote to memory of 3116	636	9a50980afb1c6a43cf38872e694bb7db.exe	77
PID 636 wrote to memory of 3116	636	9a50980afb1c6a43cf38872e694bb7db.exe	77
PID 636 wrote to memory of 3116	636	9a50980afb1c6a43cf38872e694bb7db.exe	77
PID 3116 wrote to memory of 1928	3116	svchost.exe	79
PID 3116 wrote to memory of 1928	3116	svchost.exe	79
PID 3116 wrote to memory of 1928	3116	svchost.exe	79
PID 3116 wrote to memory of 2856	3116	svchost.exe	80
PID 3116 wrote to memory of 2856	3116	svchost.exe	80
PID 3116 wrote to memory of 2856	3116	svchost.exe	80
PID 3116 wrote to memory of 2060	3116	svchost.exe	81
PID 3116 wrote to memory of 2060	3116	svchost.exe	81
PID 3116 wrote to memory of 2060	3116	svchost.exe	81
PID 3116 wrote to memory of 3928	3116	svchost.exe	82
PID 3116 wrote to memory of 3928	3116	svchost.exe	82
PID 3116 wrote to memory of 3928	3116	svchost.exe	82

C:\Users\Admin\AppData\Local\Temp\9a50980afb1c6a43cf38872e694bb7db.exe
"C:\Users\Admin\AppData\Local\Temp\9a50980afb1c6a43cf38872e694bb7db.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:636
- C:\15889121124699\svchost.exe
  C:\15889121124699\svchost.exe
  2⤵
  - Executes dropped EXE
  - Windows security modification
  - Suspicious use of WriteProcessMemory
  PID:3116
- - C:\Users\Admin\AppData\Local\Temp\1504732362.exe
    C:\Users\Admin\AppData\Local\Temp\1504732362.exe
    3⤵
    - Executes dropped EXE
    PID:1928
- - C:\Users\Admin\AppData\Local\Temp\1544433843.exe
    C:\Users\Admin\AppData\Local\Temp\1544433843.exe
    3⤵
    - Executes dropped EXE
    PID:2856
- - C:\Users\Admin\AppData\Local\Temp\3215326350.exe
    C:\Users\Admin\AppData\Local\Temp\3215326350.exe
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    PID:2060
- - C:\Users\Admin\AppData\Local\Temp\3511434783.exe
    C:\Users\Admin\AppData\Local\Temp\3511434783.exe
    3⤵
    - Executes dropped EXE
    PID:3928

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

memory/2060-14-0x00000000029E0000-0x00000000029E1000-memory.dmp

Download

memory/2060-15-0x00000000031E0000-0x00000000031E1000-memory.dmp

Download

memory/2060-16-0x00000000029E0000-0x00000000029E1000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads