phorphiex | fdbf0c19ebcafcf5e4295edc9e4a37836ba580b9a4d63b2a9ccdf8418ed5fe84

Analysis

max time kernel
148s
max time network
146s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
26/10/2024, 05:25

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General

Target

fdbf0c19ebcafcf5e4295edc9e4a37836ba580b9a4d63b2a9ccdf8418ed5fe84.exe
Size

10KB
MD5

82894caeb7e149bb38d344fbc2a821d9
SHA1

bf86bd33666e58f291bc9135a95f67a7483cde52
SHA256

fdbf0c19ebcafcf5e4295edc9e4a37836ba580b9a4d63b2a9ccdf8418ed5fe84
SHA512

fff4b4e8f5d03f6dea5cffc58e59455362269410cb48ce5a2ced621f8489e01bfddd0f99d32b181186fe63ff64c1aa0172b735c008018dba61119143b5e9ddf3
SSDEEP

192:4luii0852nhe8D9+6X/2X1JxTh3thW8yV:4lTdu2nhpsiuFV32V

Score

10^/10

phorphiex discovery evasion execution loader persistence trojan worm

Malware Config

Extracted

Family

phorphiex

http://185.215.113.66/

http://91.202.233.141/

Wallets

0xCa90599132C4D88907Bd8E046540284aa468a035

TRuGGXNDM1cavQ1AqMQHG8yfxP4QWVSMN6

qph44jx8r9k5xeq5cuf958krv3ewrnp5vc6hhdjd3r

XryzFMFVpDUvU7famUGf214EXD3xNUSmQf

rsXCXBf9SagxV8JfC12d8Bybk84oPdMNN9

AULzfBuUAPfCGAXoG5Vq14aP9s6fx3AH4Z

LTK4xdKPAgFHPLan8kriAD7eY4heyy73mB

MP8GEm8QpYgQYaMo8oM5NQhRBgDGiLZW5Q

4BB7ckkaPTyADc8trtuwDoZxywaR4eNL5cDJ3KBjq9GraN4mUFztf7mLS7WgT7Bh7uPqpjvA4ypVwXKCJ1vvLWWAFvSmDoD

15TssKwtjMtwy4vDLcLsQUZUD2B9f7eDjw85sBNVC5LRPPnC

1BzmrjmKPKSR2hH5BeJySfiVA676E8DYaK

ltc1qt0n3f0t7vz9k0mvcswk477shrxwjhf9sj5ykrp

3PMiLynrGVZ8oEqvoqC4hXD67B1WoALR4pc

3ESHude8zUHksQg1h6hHmzY79BS36L91Yn

DLUzwvyxN1RrwjByUPPzVMdfxNRPGVRMMA

t1J6GCPCiHW1eRdjJgDDu6b1vSVmL5U7Twh

stars125f3mw4xd9htpsq4zj5w5ezm5gags37yxxh6mj

bnb1msyt0djx4ecspfxg5en0ye465kg3kmv9utzml2

bc1ppypcmu3684n648gyj62gjp2rw0xy7w3vwfamatlg29ajp4z52desafa0sr

bc1qc9edl4hzl9jyt8twdad3zjeh2df2znq96tdezd

Attributes

mutex
mmn7nnm8na
user_agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Signatures

Modifies security service 2 TTPs 1 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wuauserv\Start = "4"	sysppvrdnvs.exe

Phorphiex family
phorphiex

Phorphiex payload 1 IoCs

resource	yara_rule
behavioral1/files/0x0008000000015d41-5.dat	family_phorphiex

Phorphiex, Phorpiex
Phorphiex or Phorpiex 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 6 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

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

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2708	powershell.exe

Downloads MZ/PE file
Stops running service(s) 4 TTPs
evasion execution

Windows Service
T1543.003

Impair Defenses
T1562

Service Stop
T1489

Service Execution
T1569.002

Executes dropped EXE 3 IoCs

pid	Process
2712	13623.scr
2988	sysppvrdnvs.exe
2316	1533416114.exe

Loads dropped DLL 3 IoCs

pid	Process
1704	fdbf0c19ebcafcf5e4295edc9e4a37836ba580b9a4d63b2a9ccdf8418ed5fe84.exe
1704	fdbf0c19ebcafcf5e4295edc9e4a37836ba580b9a4d63b2a9ccdf8418ed5fe84.exe
2988	sysppvrdnvs.exe

Windows security modification 2 TTPs 7 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Settings = "C:\\Windows\\sysppvrdnvs.exe"	13623.scr

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\sysppvrdnvs.exe	13623.scr
File opened for modification	C:\Windows\sysppvrdnvs.exe	13623.scr

Launches sc.exe 5 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
2608	sc.exe
2804	sc.exe
2756	sc.exe
2788	sc.exe
2732	sc.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 11 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fdbf0c19ebcafcf5e4295edc9e4a37836ba580b9a4d63b2a9ccdf8418ed5fe84.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	13623.scr
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sysppvrdnvs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2708	powershell.exe
2316	1533416114.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2708	powershell.exe
Token: SeDebugPrivilege	2316	1533416114.exe

Suspicious use of WriteProcessMemory 56 IoCs

description	pid	Process	procid_target
PID 1704 wrote to memory of 2712	1704	fdbf0c19ebcafcf5e4295edc9e4a37836ba580b9a4d63b2a9ccdf8418ed5fe84.exe	32
PID 1704 wrote to memory of 2712	1704	fdbf0c19ebcafcf5e4295edc9e4a37836ba580b9a4d63b2a9ccdf8418ed5fe84.exe	32
PID 1704 wrote to memory of 2712	1704	fdbf0c19ebcafcf5e4295edc9e4a37836ba580b9a4d63b2a9ccdf8418ed5fe84.exe	32
PID 1704 wrote to memory of 2712	1704	fdbf0c19ebcafcf5e4295edc9e4a37836ba580b9a4d63b2a9ccdf8418ed5fe84.exe	32
PID 2712 wrote to memory of 2988	2712	13623.scr	33
PID 2712 wrote to memory of 2988	2712	13623.scr	33
PID 2712 wrote to memory of 2988	2712	13623.scr	33
PID 2712 wrote to memory of 2988	2712	13623.scr	33
PID 2988 wrote to memory of 1220	2988	sysppvrdnvs.exe	34
PID 2988 wrote to memory of 1220	2988	sysppvrdnvs.exe	34
PID 2988 wrote to memory of 1220	2988	sysppvrdnvs.exe	34
PID 2988 wrote to memory of 1220	2988	sysppvrdnvs.exe	34
PID 2988 wrote to memory of 2936	2988	sysppvrdnvs.exe	35
PID 2988 wrote to memory of 2936	2988	sysppvrdnvs.exe	35
PID 2988 wrote to memory of 2936	2988	sysppvrdnvs.exe	35
PID 2988 wrote to memory of 2936	2988	sysppvrdnvs.exe	35
PID 2936 wrote to memory of 2804	2936	cmd.exe	38
PID 2936 wrote to memory of 2804	2936	cmd.exe	38
PID 2936 wrote to memory of 2804	2936	cmd.exe	38
PID 2936 wrote to memory of 2804	2936	cmd.exe	38
PID 1220 wrote to memory of 2708	1220	cmd.exe	39
PID 1220 wrote to memory of 2708	1220	cmd.exe	39
PID 1220 wrote to memory of 2708	1220	cmd.exe	39
PID 1220 wrote to memory of 2708	1220	cmd.exe	39
PID 2936 wrote to memory of 2756	2936	cmd.exe	40
PID 2936 wrote to memory of 2756	2936	cmd.exe	40
PID 2936 wrote to memory of 2756	2936	cmd.exe	40
PID 2936 wrote to memory of 2756	2936	cmd.exe	40
PID 2936 wrote to memory of 2788	2936	cmd.exe	41
PID 2936 wrote to memory of 2788	2936	cmd.exe	41
PID 2936 wrote to memory of 2788	2936	cmd.exe	41
PID 2936 wrote to memory of 2788	2936	cmd.exe	41
PID 2936 wrote to memory of 2732	2936	cmd.exe	42
PID 2936 wrote to memory of 2732	2936	cmd.exe	42
PID 2936 wrote to memory of 2732	2936	cmd.exe	42
PID 2936 wrote to memory of 2732	2936	cmd.exe	42
PID 2936 wrote to memory of 2608	2936	cmd.exe	43
PID 2936 wrote to memory of 2608	2936	cmd.exe	43
PID 2936 wrote to memory of 2608	2936	cmd.exe	43
PID 2936 wrote to memory of 2608	2936	cmd.exe	43
PID 2988 wrote to memory of 2316	2988	sysppvrdnvs.exe	45
PID 2988 wrote to memory of 2316	2988	sysppvrdnvs.exe	45
PID 2988 wrote to memory of 2316	2988	sysppvrdnvs.exe	45
PID 2988 wrote to memory of 2316	2988	sysppvrdnvs.exe	45
PID 2316 wrote to memory of 3020	2316	1533416114.exe	46
PID 2316 wrote to memory of 3020	2316	1533416114.exe	46
PID 2316 wrote to memory of 3020	2316	1533416114.exe	46
PID 2316 wrote to memory of 1492	2316	1533416114.exe	48
PID 2316 wrote to memory of 1492	2316	1533416114.exe	48
PID 2316 wrote to memory of 1492	2316	1533416114.exe	48
PID 3020 wrote to memory of 876	3020	cmd.exe	50
PID 3020 wrote to memory of 876	3020	cmd.exe	50
PID 3020 wrote to memory of 876	3020	cmd.exe	50
PID 1492 wrote to memory of 1276	1492	cmd.exe	51
PID 1492 wrote to memory of 1276	1492	cmd.exe	51
PID 1492 wrote to memory of 1276	1492	cmd.exe	51

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\fdbf0c19ebcafcf5e4295edc9e4a37836ba580b9a4d63b2a9ccdf8418ed5fe84.exe
"C:\Users\Admin\AppData\Local\Temp\fdbf0c19ebcafcf5e4295edc9e4a37836ba580b9a4d63b2a9ccdf8418ed5fe84.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1704
- C:\Users\Admin\AppData\Local\Temp\13623.scr
  "C:\Users\Admin\AppData\Local\Temp\13623.scr" /S
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2712
- - C:\Windows\sysppvrdnvs.exe
    C:\Windows\sysppvrdnvs.exe
    3⤵
    - Modifies security service
    - Windows security bypass
    - Executes dropped EXE
    - Loads dropped DLL
    - Windows security modification
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2988
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c powershell -Command "Add-MpPreference -ExclusionPath $env:windir; Add-MpPreference -ExclusionPath $env:TEMP; Add-MpPreference -ExclusionPath $env:USERPROFILE"
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:1220
    - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        
        powershell -Command "Add-MpPreference -ExclusionPath $env:windir; Add-MpPreference -ExclusionPath $env:TEMP; Add-MpPreference -ExclusionPath $env:USERPROFILE"
        5⤵
        Command and Scripting Interpreter: PowerShell
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:2708
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c sc stop UsoSvc & sc stop WaaSMedicSvc & sc stop wuauserv & sc stop DoSvc & sc stop BITS /wait
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2936
    - - C:\Windows\SysWOW64\sc.exe
        
        sc stop UsoSvc
        5⤵
        Launches sc.exe
        System Location Discovery: System Language Discovery
        
        PID:2804
    - - C:\Windows\SysWOW64\sc.exe
        
        sc stop WaaSMedicSvc
        5⤵
        Launches sc.exe
        System Location Discovery: System Language Discovery
        
        PID:2756
    - - C:\Windows\SysWOW64\sc.exe
        
        sc stop wuauserv
        5⤵
        Launches sc.exe
        System Location Discovery: System Language Discovery
        
        PID:2788
    - - C:\Windows\SysWOW64\sc.exe
        
        sc stop DoSvc
        5⤵
        Launches sc.exe
        System Location Discovery: System Language Discovery
        
        PID:2732
    - - C:\Windows\SysWOW64\sc.exe
        
        sc stop BITS /wait
        5⤵
        Launches sc.exe
        System Location Discovery: System Language Discovery
        
        PID:2608
  - - C:\Users\Admin\AppData\Local\Temp\1533416114.exe
      C:\Users\Admin\AppData\Local\Temp\1533416114.exe
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:2316
    - - C:\Windows\System32\cmd.exe
        
        "C:\Windows\System32\cmd.exe" /c reg delete "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "Windows Upgrade Manager" /f
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:3020
      - C:\Windows\system32\reg.exe
        
        reg delete "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "Windows Upgrade Manager" /f
        6⤵
        
        PID:876
    - - C:\Windows\System32\cmd.exe
        
        "C:\Windows\System32\cmd.exe" /c schtasks /delete /f /tn "Windows Upgrade Manager"
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:1492
      - C:\Windows\system32\schtasks.exe
        
        schtasks /delete /f /tn "Windows Upgrade Manager"
        6⤵
        
        PID:1276

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

System Services

T1569

Service Execution

T1569.002

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Service Stop

T1489

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\D6V88JEY\1[1]

Filesize
108KB

MD5
1fcb78fb6cf9720e9d9494c42142d885

SHA1
fef9c2e728ab9d56ce9ed28934b3182b6f1d5379

SHA256
84652bb8c63ca4fd7eb7a2d6ef44029801f3057aa2961867245a3a765928dd02

SHA512
cdf58e463af1784aea86995b3e5d6b07701c5c4095e30ec80cc901ffd448c6f4f714c521bf8796ffa8c47538bf8bf5351e157596efaa7ab88155d63dc33f7dc3

Download Submit
\Users\Admin\AppData\Local\Temp\13623.scr

Filesize
83KB

MD5
06560b5e92d704395bc6dae58bc7e794

SHA1
fbd3e4ae28620197d1f02bfc24adaf4ddacd2372

SHA256
9eaaadf3857e4a3e83f4f78d96ab185213b6528c8e470807f9d16035daadf33d

SHA512
b55b49fc1bd526c47d88fcf8a20fcaed900bfb291f2e3e1186ec196a87127ed24df71385ae04fedcc802c362c4ebf38edfc182013febf4496ddeb66ce5195ee3

Download Submit
\Users\Admin\AppData\Local\Temp\1533416114.exe

Filesize
8KB

MD5
cb8420e681f68db1bad5ed24e7b22114

SHA1
416fc65d538d3622f5ca71c667a11df88a927c31

SHA256
5850892f67f85991b31fc90f62c8b7791afeb3c08ae1877d857aa2b59471a2ea

SHA512
baaabcc4ad5d409267a34ed7b20e4afb4d247974bfc581d39aae945e5bf8a673a1f8eacae2e6783480c8baaeb0a80d028274a202d456f13d0af956afa0110fdf

Download Submit
memory/2316-43-0x000000013FA80000-0x000000013FA86000-memory.dmp

Filesize
24KB

Download