phorphiex | 4a87d56bd251042265425027e9da3f7a2f5001c9778e7e64f55ecd5b6a9dd23e

Analysis

max time kernel
120s
max time network
121s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
05-11-2024 18:31

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General

Target

4a87d56bd251042265425027e9da3f7a2f5001c9778e7e64f55ecd5b6a9dd23eN.exe
Size

25KB
MD5

a27201a65421f6bb7ef1e99a60f1a320
SHA1

95fec77e4e189dc397f65bb321bc7d6e212c4bb3
SHA256

4a87d56bd251042265425027e9da3f7a2f5001c9778e7e64f55ecd5b6a9dd23e
SHA512

3f6acab01bee88b1170ec8a0a89e73ad56f0c78daea8ac22a4b2535eca0348f10ed2b15f5164c54fa07a3105d10d79367f5302e28927ee7078547fa449ff1202
SSDEEP

384:1UXo1Z2R/9eTAtJYxJ4JVB01lvQywBL/NL:0Cw/QcYO0vw5/N

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
behavioral2/files/0x000d000000023b0a-10.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
4984	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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	sysppvrdnvs.exe

Executes dropped EXE 3 IoCs

pid	Process
640	A43F.exe
3720	1861812305.exe
2868	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\UpdatesDisableNotify = "1"	sysppvrdnvs.exe
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\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

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"	1861812305.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\sysppvrdnvs.exe	1861812305.exe
File opened for modification	C:\Windows\sysppvrdnvs.exe	1861812305.exe

Launches sc.exe 5 IoCs

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

pid	Process
1912	sc.exe
4188	sc.exe
2580	sc.exe
1376	sc.exe
2984	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	sysppvrdnvs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	A43F.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1861812305.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

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4984	powershell.exe
4984	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4984	powershell.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 3460 wrote to memory of 640	3460	4a87d56bd251042265425027e9da3f7a2f5001c9778e7e64f55ecd5b6a9dd23eN.exe	85
PID 3460 wrote to memory of 640	3460	4a87d56bd251042265425027e9da3f7a2f5001c9778e7e64f55ecd5b6a9dd23eN.exe	85
PID 3460 wrote to memory of 640	3460	4a87d56bd251042265425027e9da3f7a2f5001c9778e7e64f55ecd5b6a9dd23eN.exe	85
PID 640 wrote to memory of 3720	640	A43F.exe	94
PID 640 wrote to memory of 3720	640	A43F.exe	94
PID 640 wrote to memory of 3720	640	A43F.exe	94
PID 3720 wrote to memory of 2868	3720	1861812305.exe	96
PID 3720 wrote to memory of 2868	3720	1861812305.exe	96
PID 3720 wrote to memory of 2868	3720	1861812305.exe	96
PID 2868 wrote to memory of 4128	2868	sysppvrdnvs.exe	99
PID 2868 wrote to memory of 4128	2868	sysppvrdnvs.exe	99
PID 2868 wrote to memory of 4128	2868	sysppvrdnvs.exe	99
PID 2868 wrote to memory of 3524	2868	sysppvrdnvs.exe	101
PID 2868 wrote to memory of 3524	2868	sysppvrdnvs.exe	101
PID 2868 wrote to memory of 3524	2868	sysppvrdnvs.exe	101
PID 4128 wrote to memory of 4984	4128	cmd.exe	103
PID 4128 wrote to memory of 4984	4128	cmd.exe	103
PID 4128 wrote to memory of 4984	4128	cmd.exe	103
PID 3524 wrote to memory of 2984	3524	cmd.exe	104
PID 3524 wrote to memory of 2984	3524	cmd.exe	104
PID 3524 wrote to memory of 2984	3524	cmd.exe	104
PID 3524 wrote to memory of 1912	3524	cmd.exe	105
PID 3524 wrote to memory of 1912	3524	cmd.exe	105
PID 3524 wrote to memory of 1912	3524	cmd.exe	105
PID 3524 wrote to memory of 4188	3524	cmd.exe	106
PID 3524 wrote to memory of 4188	3524	cmd.exe	106
PID 3524 wrote to memory of 4188	3524	cmd.exe	106
PID 3524 wrote to memory of 2580	3524	cmd.exe	107
PID 3524 wrote to memory of 2580	3524	cmd.exe	107
PID 3524 wrote to memory of 2580	3524	cmd.exe	107
PID 3524 wrote to memory of 1376	3524	cmd.exe	108
PID 3524 wrote to memory of 1376	3524	cmd.exe	108
PID 3524 wrote to memory of 1376	3524	cmd.exe	108

C:\Users\Admin\AppData\Local\Temp\4a87d56bd251042265425027e9da3f7a2f5001c9778e7e64f55ecd5b6a9dd23eN.exe
"C:\Users\Admin\AppData\Local\Temp\4a87d56bd251042265425027e9da3f7a2f5001c9778e7e64f55ecd5b6a9dd23eN.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3460
- C:\Users\Admin\AppData\Local\Temp\A43F.exe
  "C:\Users\Admin\AppData\Local\Temp\A43F.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:640
- - C:\Users\Admin\AppData\Local\Temp\1861812305.exe
    C:\Users\Admin\AppData\Local\Temp\1861812305.exe
    3⤵
    - 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:3720
  - - C:\Windows\sysppvrdnvs.exe
      C:\Windows\sysppvrdnvs.exe
      4⤵
      Modifies security service
      Windows security bypass
      Checks computer location settings
      Executes dropped EXE
      Windows security modification
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2868
    - - 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"
        5⤵
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:4128
      - 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"
        6⤵
        Command and Scripting Interpreter: PowerShell
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:4984
    - - 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
        5⤵
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:3524
      - C:\Windows\SysWOW64\sc.exe
        
        sc stop UsoSvc
        6⤵
        Launches sc.exe
        System Location Discovery: System Language Discovery
        
        PID:2984
      - C:\Windows\SysWOW64\sc.exe
        
        sc stop WaaSMedicSvc
        6⤵
        Launches sc.exe
        System Location Discovery: System Language Discovery
        
        PID:1912
      - C:\Windows\SysWOW64\sc.exe
        
        sc stop wuauserv
        6⤵
        Launches sc.exe
        System Location Discovery: System Language Discovery
        
        PID:4188
      - C:\Windows\SysWOW64\sc.exe
        
        sc stop DoSvc
        6⤵
        Launches sc.exe
        System Location Discovery: System Language Discovery
        
        PID:2580
      - C:\Windows\SysWOW64\sc.exe
        
        sc stop BITS /wait
        6⤵
        Launches sc.exe
        System Location Discovery: System Language Discovery
        
        PID:1376

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\Temp\1861812305.exe

Filesize
83KB

MD5
06560b5e92d704395bc6dae58bc7e794

SHA1
fbd3e4ae28620197d1f02bfc24adaf4ddacd2372

SHA256
9eaaadf3857e4a3e83f4f78d96ab185213b6528c8e470807f9d16035daadf33d

SHA512
b55b49fc1bd526c47d88fcf8a20fcaed900bfb291f2e3e1186ec196a87127ed24df71385ae04fedcc802c362c4ebf38edfc182013febf4496ddeb66ce5195ee3

Download Submit
C:\Users\Admin\AppData\Local\Temp\A43F.exe

Filesize
9KB

MD5
8d8e6c7952a9dc7c0c73911c4dbc5518

SHA1
9098da03b33b2c822065b49d5220359c275d5e94

SHA256
feb4c3ae4566f0acbb9e0f55417b61fefd89dc50a4e684df780813fb01d61278

SHA512
91a573843c28dd32a9f31a60ba977f9a3d4bb19ffd1b7254333e09bcecef348c1b3220a348ebb2cb08edb57d56cb7737f026519da52199c9dc62c10aea236645

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_v022zhpr.2kg.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/4984-35-0x000000006FC10000-0x000000006FC5C000-memory.dmp

Filesize
304KB

Download
memory/4984-46-0x0000000006C60000-0x0000000006D03000-memory.dmp

Filesize
652KB

Download
memory/4984-20-0x00000000055D0000-0x0000000005636000-memory.dmp

Filesize
408KB

Download
memory/4984-18-0x0000000004D30000-0x0000000005358000-memory.dmp

Filesize
6.2MB

Download
memory/4984-21-0x0000000005640000-0x00000000056A6000-memory.dmp

Filesize
408KB

Download
memory/4984-31-0x0000000005870000-0x0000000005BC4000-memory.dmp

Filesize
3.3MB

Download
memory/4984-32-0x0000000005C50000-0x0000000005C6E000-memory.dmp

Filesize
120KB

Download
memory/4984-33-0x0000000005C90000-0x0000000005CDC000-memory.dmp

Filesize
304KB

Download
memory/4984-34-0x0000000006C10000-0x0000000006C42000-memory.dmp

Filesize
200KB

Download
memory/4984-17-0x00000000046A0000-0x00000000046D6000-memory.dmp

Filesize
216KB

Download
memory/4984-45-0x0000000006240000-0x000000000625E000-memory.dmp

Filesize
120KB

Download
memory/4984-19-0x0000000004CE0000-0x0000000004D02000-memory.dmp

Filesize
136KB

Download
memory/4984-47-0x0000000007680000-0x0000000007CFA000-memory.dmp

Filesize
6.5MB

Download
memory/4984-48-0x0000000006D90000-0x0000000006DAA000-memory.dmp

Filesize
104KB

Download
memory/4984-49-0x0000000007010000-0x000000000701A000-memory.dmp

Filesize
40KB

Download
memory/4984-50-0x0000000007220000-0x00000000072B6000-memory.dmp

Filesize
600KB

Download
memory/4984-51-0x00000000071C0000-0x00000000071D1000-memory.dmp

Filesize
68KB

Download
memory/4984-52-0x00000000071E0000-0x00000000071EE000-memory.dmp

Filesize
56KB

Download
memory/4984-53-0x00000000071F0000-0x0000000007204000-memory.dmp

Filesize
80KB

Download
memory/4984-56-0x00000000072E0000-0x00000000072FA000-memory.dmp

Filesize
104KB

Download
memory/4984-57-0x00000000072C0000-0x00000000072C8000-memory.dmp

Filesize
32KB

Download