phorphiex | 36c678b6312352751cf9943e5ed413e9e670ae33fe17aae338b14f9f2c18ef75

General

Target

1470026921.bin.exe
Size

34KB
MD5

7e1691cf656c781f65a949622ac97177
SHA1

6ba004c81c1c8d0d15b6870ed5e8ade812c30840
SHA256

36c678b6312352751cf9943e5ed413e9e670ae33fe17aae338b14f9f2c18ef75
SHA512

76686d9126bb2b888231204206848d36c82c4541a1d9f94a2f17e1482cf9d4df5c7b48605db66922ee0de58151121f3bbc02eeb74eb89e67ec64900af889591a

Score

10^/10

phorphiex evasion loader persistence trojan worm

Malware Config

Signatures

Phorphiex Payload 3 IoCs

Processes:

resource	yara_rule
\16347122022814\lsass.exe	family_phorphiex
C:\16347122022814\lsass.exe	family_phorphiex
C:\16347122022814\lsass.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:

lsass.exe

pid process

1036 lsass.exe
Loads dropped DLL 1 IoCs

Processes:

1470026921.bin.exe

pid process

1964 1470026921.bin.exe

pid	process
1036	lsass.exe

pid	process
1964	1470026921.bin.exe

Windows security modification 2 TTPs 7 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

Processes:

lsass.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	lsass.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	lsass.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesOverride = "1"	lsass.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	lsass.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiSpywareOverride = "1"	lsass.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	lsass.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	lsass.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

1470026921.bin.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Host Process for Windows Services = "C:\\16347122022814\\lsass.exe"	1470026921.bin.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Windows\CurrentVersion\Run\Host Process for Windows Services = "C:\\16347122022814\\lsass.exe"	1470026921.bin.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

1470026921.bin.exe

description	pid	process	target process
PID 1964 wrote to memory of 1036	1964	1470026921.bin.exe	lsass.exe
PID 1964 wrote to memory of 1036	1964	1470026921.bin.exe	lsass.exe
PID 1964 wrote to memory of 1036	1964	1470026921.bin.exe	lsass.exe
PID 1964 wrote to memory of 1036	1964	1470026921.bin.exe	lsass.exe

C:\Users\Admin\AppData\Local\Temp\1470026921.bin.exe
"C:\Users\Admin\AppData\Local\Temp\1470026921.bin.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1964

C:\16347122022814\lsass.exe
C:\16347122022814\lsass.exe
2⤵
- Executes dropped EXE
- Windows security modification
PID:1036

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\16347122022814\lsass.exe
MD5
7e1691cf656c781f65a949622ac97177

SHA1
6ba004c81c1c8d0d15b6870ed5e8ade812c30840

SHA256
36c678b6312352751cf9943e5ed413e9e670ae33fe17aae338b14f9f2c18ef75

SHA512
76686d9126bb2b888231204206848d36c82c4541a1d9f94a2f17e1482cf9d4df5c7b48605db66922ee0de58151121f3bbc02eeb74eb89e67ec64900af889591a

Download Submit
C:\16347122022814\lsass.exe
MD5
7e1691cf656c781f65a949622ac97177

SHA1
6ba004c81c1c8d0d15b6870ed5e8ade812c30840

SHA256
36c678b6312352751cf9943e5ed413e9e670ae33fe17aae338b14f9f2c18ef75

SHA512
76686d9126bb2b888231204206848d36c82c4541a1d9f94a2f17e1482cf9d4df5c7b48605db66922ee0de58151121f3bbc02eeb74eb89e67ec64900af889591a

Download Submit
\16347122022814\lsass.exe
MD5
7e1691cf656c781f65a949622ac97177

SHA1
6ba004c81c1c8d0d15b6870ed5e8ade812c30840

SHA256
36c678b6312352751cf9943e5ed413e9e670ae33fe17aae338b14f9f2c18ef75

SHA512
76686d9126bb2b888231204206848d36c82c4541a1d9f94a2f17e1482cf9d4df5c7b48605db66922ee0de58151121f3bbc02eeb74eb89e67ec64900af889591a

Download Submit
memory/752-3-0x000007FEF6E90000-0x000007FEF710A000-memory.dmp

Filesize
2.5MB

Download
memory/1036-5-0x0000000000000000-mapping.dmp

Download
memory/1964-2-0x00000000750C1000-0x00000000750C3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads