phorphiex | 794d7a6997fe076aebd016658a0f2fffc19546c899a9b220af921eecf4bc0a3e

General

Target

1694521508.bin.exe
Size

100KB
MD5

ee0a1ec859b753abc30847157d81f37c
SHA1

2fd868d94c6dc063ca49c767c873505fbc87dcd9
SHA256

abf63fc54948cdd9d1bf46a2f59fcb081bb0ff10b595f0ba2faad392ad368922
SHA512

6ba490cad428176d4235241ab96d741121e608f3fcf156c4a8ba0b106c640ac392ef4f74e0b11f5c56c3829e8566a613676dbef812e1e89c248c40338331bfdc

Score

10^/10

phorphiex evasion loader persistence trojan worm

Malware Config

Signatures

Phorphiex Payload 6 IoCs

Processes:

resource	yara_rule
C:\18310262110790\lsass.exe	family_phorphiex
C:\18310262110790\lsass.exe	family_phorphiex
C:\Users\Admin\AppData\Local\Temp\1770125895.exe	family_phorphiex
C:\Users\Admin\AppData\Local\Temp\1770125895.exe	family_phorphiex
C:\12361143712238\dwm.exe	family_phorphiex
C:\12361143712238\dwm.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 3 IoCs

Processes:

lsass.exe1770125895.exedwm.exe

pid process

3776 lsass.exe
1992 1770125895.exe
2588 dwm.exe

pid	process
3776	lsass.exe
1992	1770125895.exe
2588	dwm.exe

Windows security modification 2 TTPs 14 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

Processes:

lsass.exedwm.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "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\FirewallOverride = "1"	dwm.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\AntiSpywareOverride = "1"	dwm.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	dwm.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	dwm.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\FirewallOverride = "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\FirewallDisableNotify = "1"	dwm.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	dwm.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\UpdatesOverride = "1"	dwm.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

1694521508.bin.exe1770125895.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run\Host Process for Windows Services = "C:\\18310262110790\\lsass.exe"	1694521508.bin.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Desktop Window Manager = "C:\\12361143712238\\dwm.exe"	1770125895.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run\Desktop Window Manager = "C:\\12361143712238\\dwm.exe"	1770125895.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Host Process for Windows Services = "C:\\18310262110790\\lsass.exe"	1694521508.bin.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

1694521508.bin.exelsass.exe1770125895.exe

description	pid	process	target process
PID 1696 wrote to memory of 3776	1696	1694521508.bin.exe	lsass.exe
PID 1696 wrote to memory of 3776	1696	1694521508.bin.exe	lsass.exe
PID 1696 wrote to memory of 3776	1696	1694521508.bin.exe	lsass.exe
PID 3776 wrote to memory of 1992	3776	lsass.exe	1770125895.exe
PID 3776 wrote to memory of 1992	3776	lsass.exe	1770125895.exe
PID 3776 wrote to memory of 1992	3776	lsass.exe	1770125895.exe
PID 1992 wrote to memory of 2588	1992	1770125895.exe	dwm.exe
PID 1992 wrote to memory of 2588	1992	1770125895.exe	dwm.exe
PID 1992 wrote to memory of 2588	1992	1770125895.exe	dwm.exe

C:\Users\Admin\AppData\Local\Temp\1694521508.bin.exe
"C:\Users\Admin\AppData\Local\Temp\1694521508.bin.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1696

C:\18310262110790\lsass.exe
C:\18310262110790\lsass.exe
2⤵
- Executes dropped EXE
- Windows security modification
- Suspicious use of WriteProcessMemory
PID:3776

C:\Users\Admin\AppData\Local\Temp\1770125895.exe
C:\Users\Admin\AppData\Local\Temp\\1770125895.exe
3⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1992

C:\12361143712238\dwm.exe
C:\12361143712238\dwm.exe
4⤵
- Executes dropped EXE
- Windows security modification
PID:2588

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:\12361143712238\dwm.exe
MD5
d46fb7feb34da15fae1c05116d0c3885

SHA1
e2aa39b7c26fbbf31cfa05386495ad3bafd3ef90

SHA256
f7cf59d65e7673a1e170750cf9fea732a013b84c547c3a139adadec614ea6f96

SHA512
5fcb894b66a0ce3b93db4ed8a31c4718a66b822279d16fc0a553ec115696a333b2613113055d890083a79398f953f2286b51f103c1f221297145f6e9296f9807

Download Submit
C:\12361143712238\dwm.exe
MD5
d46fb7feb34da15fae1c05116d0c3885

SHA1
e2aa39b7c26fbbf31cfa05386495ad3bafd3ef90

SHA256
f7cf59d65e7673a1e170750cf9fea732a013b84c547c3a139adadec614ea6f96

SHA512
5fcb894b66a0ce3b93db4ed8a31c4718a66b822279d16fc0a553ec115696a333b2613113055d890083a79398f953f2286b51f103c1f221297145f6e9296f9807

Download Submit
C:\18310262110790\lsass.exe
MD5
ee0a1ec859b753abc30847157d81f37c

SHA1
2fd868d94c6dc063ca49c767c873505fbc87dcd9

SHA256
abf63fc54948cdd9d1bf46a2f59fcb081bb0ff10b595f0ba2faad392ad368922

SHA512
6ba490cad428176d4235241ab96d741121e608f3fcf156c4a8ba0b106c640ac392ef4f74e0b11f5c56c3829e8566a613676dbef812e1e89c248c40338331bfdc

Download Submit
C:\18310262110790\lsass.exe
MD5
ee0a1ec859b753abc30847157d81f37c

SHA1
2fd868d94c6dc063ca49c767c873505fbc87dcd9

SHA256
abf63fc54948cdd9d1bf46a2f59fcb081bb0ff10b595f0ba2faad392ad368922

SHA512
6ba490cad428176d4235241ab96d741121e608f3fcf156c4a8ba0b106c640ac392ef4f74e0b11f5c56c3829e8566a613676dbef812e1e89c248c40338331bfdc

Download Submit
C:\Users\Admin\AppData\Local\Temp\1770125895.exe
MD5
d46fb7feb34da15fae1c05116d0c3885

SHA1
e2aa39b7c26fbbf31cfa05386495ad3bafd3ef90

SHA256
f7cf59d65e7673a1e170750cf9fea732a013b84c547c3a139adadec614ea6f96

SHA512
5fcb894b66a0ce3b93db4ed8a31c4718a66b822279d16fc0a553ec115696a333b2613113055d890083a79398f953f2286b51f103c1f221297145f6e9296f9807

Download Submit
C:\Users\Admin\AppData\Local\Temp\1770125895.exe
MD5
d46fb7feb34da15fae1c05116d0c3885

SHA1
e2aa39b7c26fbbf31cfa05386495ad3bafd3ef90

SHA256
f7cf59d65e7673a1e170750cf9fea732a013b84c547c3a139adadec614ea6f96

SHA512
5fcb894b66a0ce3b93db4ed8a31c4718a66b822279d16fc0a553ec115696a333b2613113055d890083a79398f953f2286b51f103c1f221297145f6e9296f9807

Download Submit
memory/1992-117-0x0000000000000000-mapping.dmp

Download
memory/2588-120-0x0000000000000000-mapping.dmp

Download
memory/3776-114-0x0000000000000000-mapping.dmp

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads