phorphiex | f878382efbdcff1151e93bc9ca4c016e72a0c424137728995ad722a36ce37241

General

Target

f878382efbdcff1151e93bc9ca4c016e72a0c424137728995ad722a36ce37241.exe
Size

75KB
MD5

4ece4d073b759e00584078490e1424f8
SHA1

a4ec941cfcc1e8151da0bbb5aabe8e5a8d88f6dc
SHA256

f878382efbdcff1151e93bc9ca4c016e72a0c424137728995ad722a36ce37241
SHA512

0c79c74c8f7111a9d6904cfa03b64925ab8b64efe6121eac8836371558672017753af22f7cbb9f2ce3e63642dc2c4b039a6860e33e130fa693596b77896f4654

Score

10^/10

phorphiex evasion loader persistence trojan worm

Malware Config

Signatures

Phorphiex Payload 3 IoCs

Processes:

resource	yara_rule
\26912239123713\svchost.exe	family_phorphiex
C:\26912239123713\svchost.exe	family_phorphiex
C:\26912239123713\svchost.exe	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 1 IoCs

Processes:

svchost.exe

pid process

808 svchost.exe
Loads dropped DLL 1 IoCs

Processes:

f878382efbdcff1151e93bc9ca4c016e72a0c424137728995ad722a36ce37241.exe

pid process

1076 f878382efbdcff1151e93bc9ca4c016e72a0c424137728995ad722a36ce37241.exe

pid	process
808	svchost.exe

pid	process
1076	f878382efbdcff1151e93bc9ca4c016e72a0c424137728995ad722a36ce37241.exe

Windows security modification 2 TTPs 4 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
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\AntiVirusOverride = "1"	svchost.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

f878382efbdcff1151e93bc9ca4c016e72a0c424137728995ad722a36ce37241.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Host Process for Windows Services = "C:\\26912239123713\\svchost.exe"	f878382efbdcff1151e93bc9ca4c016e72a0c424137728995ad722a36ce37241.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Windows\CurrentVersion\Run\Host Process for Windows Services = "C:\\26912239123713\\svchost.exe"	f878382efbdcff1151e93bc9ca4c016e72a0c424137728995ad722a36ce37241.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

f878382efbdcff1151e93bc9ca4c016e72a0c424137728995ad722a36ce37241.exetaskeng.exe

description	pid	process	target process
PID 1076 wrote to memory of 808	1076	f878382efbdcff1151e93bc9ca4c016e72a0c424137728995ad722a36ce37241.exe	svchost.exe
PID 1076 wrote to memory of 808	1076	f878382efbdcff1151e93bc9ca4c016e72a0c424137728995ad722a36ce37241.exe	svchost.exe
PID 1076 wrote to memory of 808	1076	f878382efbdcff1151e93bc9ca4c016e72a0c424137728995ad722a36ce37241.exe	svchost.exe
PID 1076 wrote to memory of 808	1076	f878382efbdcff1151e93bc9ca4c016e72a0c424137728995ad722a36ce37241.exe	svchost.exe
PID 2008 wrote to memory of 592	2008	taskeng.exe	default-browser-agent.exe
PID 2008 wrote to memory of 592	2008	taskeng.exe	default-browser-agent.exe
PID 2008 wrote to memory of 592	2008	taskeng.exe	default-browser-agent.exe

C:\Users\Admin\AppData\Local\Temp\f878382efbdcff1151e93bc9ca4c016e72a0c424137728995ad722a36ce37241.exe
"C:\Users\Admin\AppData\Local\Temp\f878382efbdcff1151e93bc9ca4c016e72a0c424137728995ad722a36ce37241.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1076

C:\26912239123713\svchost.exe
C:\26912239123713\svchost.exe
2⤵
- Executes dropped EXE
- Windows security modification
PID:808

C:\Windows\system32\taskeng.exe
taskeng.exe {2BE02D57-13EF-48F0-9664-C88674D8C4AD} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
PID:1916

C:\Windows\system32\taskeng.exe
taskeng.exe {FE2A09C6-8BCC-4719-A907-3F27A33B8FAF} S-1-5-21-103686315-404690609-2047157615-1000:EDWYFHKN\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2008

C:\Program Files\Mozilla Firefox\default-browser-agent.exe
"C:\Program Files\Mozilla Firefox\default-browser-agent.exe" do-task
2⤵
PID:592

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Disabling Security Tools

2

T1089

Modify Registry

3

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\26912239123713\svchost.exe
MD5
4ece4d073b759e00584078490e1424f8

SHA1
a4ec941cfcc1e8151da0bbb5aabe8e5a8d88f6dc

SHA256
f878382efbdcff1151e93bc9ca4c016e72a0c424137728995ad722a36ce37241

SHA512
0c79c74c8f7111a9d6904cfa03b64925ab8b64efe6121eac8836371558672017753af22f7cbb9f2ce3e63642dc2c4b039a6860e33e130fa693596b77896f4654

Download Submit
C:\26912239123713\svchost.exe
MD5
4ece4d073b759e00584078490e1424f8

SHA1
a4ec941cfcc1e8151da0bbb5aabe8e5a8d88f6dc

SHA256
f878382efbdcff1151e93bc9ca4c016e72a0c424137728995ad722a36ce37241

SHA512
0c79c74c8f7111a9d6904cfa03b64925ab8b64efe6121eac8836371558672017753af22f7cbb9f2ce3e63642dc2c4b039a6860e33e130fa693596b77896f4654

Download Submit
\26912239123713\svchost.exe
MD5
4ece4d073b759e00584078490e1424f8

SHA1
a4ec941cfcc1e8151da0bbb5aabe8e5a8d88f6dc

SHA256
f878382efbdcff1151e93bc9ca4c016e72a0c424137728995ad722a36ce37241

SHA512
0c79c74c8f7111a9d6904cfa03b64925ab8b64efe6121eac8836371558672017753af22f7cbb9f2ce3e63642dc2c4b039a6860e33e130fa693596b77896f4654

Download Submit
memory/592-61-0x0000000000000000-mapping.dmp

Download
memory/808-57-0x0000000000000000-mapping.dmp

Download
memory/1076-55-0x00000000754B1000-0x00000000754B3000-memory.dmp

Filesize
8KB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads