phorphiex | d281e0a0f1e1073f2d290a7eb1f77bed4c210dbf83a0f4f4e22073f50faa843f

General

Target

d281e0a0f1e1073f2d290a7eb1f77bed4c210dbf83a0f4f4e22073f50faa843f.exe
Size

92KB
MD5

be9388b42333b3d4e163b0ace699897b
SHA1

4e1109772eb9cb59c557380822166fe1664403bd
SHA256

d281e0a0f1e1073f2d290a7eb1f77bed4c210dbf83a0f4f4e22073f50faa843f
SHA512

5f887f1060b898c9a88745cde7cf509fdf42947ab8e5948b46c2df659468dc245b24d089bdbec0b314c40b83934698bf4b6feb8954e32810ff8f522aab0af19a
SSDEEP

1536:s9Ww4/inFmav82M1KeKKHqW4KYFqkKUSne1wjAUG94wU3K:UWwohOT44KktKGa87U3K

Score

10^/10

phorphiex discovery evasion execution loader persistence trojan worm

Malware Config

Extracted

Family

phorphiex

C2

http://185.215.113.66/

http://91.202.233.141/

Wallets

0xCa90599132C4D88907Bd8E046540284aa468a035

TRuGGXNDM1cavQ1AqMQHG8yfxP4QWVSMN6

qph44jx8r9k5xeq5cuf958krv3ewrnp5vc6hhdjd3r

XryzFMFVpDUvU7famUGf214EXD3xNUSmQf

LLeT2zkStY3cvxMBFhoWXkG5VuZPoezduv

rwc4LVd9ABpULQ1CuCpDkgX2xVB1fUijyb

4AtjkCVKbtEC3UEN77SQHuH9i1XkzNiRi5VCbA2XGsJh46nJSXfGQn4GjLuupCqmC57Lo7LvKmFUyRfhtJSvKvuw3h9ReKK

15TssKwtjMtwy4vDLcLsQUZUD2B9f7eDjw85sBNVC5LRPPnC

17hgMFyLDwMjxWqw5GhijhnPdJDyFDqecY

ltc1qt0n3f0t7vz9k0mvcswk477shrxwjhf9sj5ykrp

3PMiLynrGVZ8oEqvoqC4hXD67B1WoALR4pc

3FerB8kUraAVGCVCNkgv57zTBjUGjAUkU3

DLUzwvyxN1RrwjByUPPzVMdfxNRPGVRMMA

t1J6GCPCiHW1eRdjJgDDu6b1vSVmL5U7Twh

stars125f3mw4xd9htpsq4zj5w5ezm5gags37yxxh6mj

bnb1epx67ne4vckqmaj4gwke8m322f4yjr6eh52wqw

bc1qmpkehfffkr6phuklsksnd7nhgx0369sxu772m3

bitcoincash:qph44jx8r9k5xeq5cuf958krv3ewrnp5vc6hhdjd3r

GBQJMXYXPRIWFMXIFJR35ZB7LRKMB4PHCIUAUFR3TKUL6RDBZVLZEUJ3

Attributes

mutex
x88767657x
user_agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Signatures

Modifies security service 2 TTPs 1 IoCs
evasion

Modify Registry
T1112

Windows Service
T1543.003

Processes:

sysmysldrv.exe

description ioc process

Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wuauserv\Start = "4" sysmysldrv.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wuauserv\Start = "4"	sysmysldrv.exe

Phorphiex payload 1 IoCs

Processes:

resource	yara_rule
C:\Windows\sysmysldrv.exe	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

Processes:

sysmysldrv.exe

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

Processes:

powershell.exe

pid process

840 powershell.exe
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 1 IoCs

Processes:

sysmysldrv.exe

pid process

696 sysmysldrv.exe

pid	process
840	powershell.exe

pid	process
696	sysmysldrv.exe

Windows security modification 2 TTPs 7 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

sysmysldrv.exe

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

d281e0a0f1e1073f2d290a7eb1f77bed4c210dbf83a0f4f4e22073f50faa843f.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Settings = "C:\\Windows\\sysmysldrv.exe"	d281e0a0f1e1073f2d290a7eb1f77bed4c210dbf83a0f4f4e22073f50faa843f.exe

Drops file in Windows directory 2 IoCs

Processes:

d281e0a0f1e1073f2d290a7eb1f77bed4c210dbf83a0f4f4e22073f50faa843f.exe

description	ioc	process
File created	C:\Windows\sysmysldrv.exe	d281e0a0f1e1073f2d290a7eb1f77bed4c210dbf83a0f4f4e22073f50faa843f.exe
File opened for modification	C:\Windows\sysmysldrv.exe	d281e0a0f1e1073f2d290a7eb1f77bed4c210dbf83a0f4f4e22073f50faa843f.exe

Launches sc.exe 5 IoCs
Sc.exe is a Windows utlilty to control services on the system.

Processes:

sc.exesc.exesc.exesc.exesc.exe

pid process

4864 sc.exe
5064 sc.exe
2456 sc.exe
1716 sc.exe
4280 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
4864	sc.exe
5064	sc.exe
2456	sc.exe
1716	sc.exe
4280	sc.exe

System Location Discovery: System Language Discovery 1 TTPs 10 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

Processes:

cmd.execmd.exesc.exesc.exesc.exed281e0a0f1e1073f2d290a7eb1f77bed4c210dbf83a0f4f4e22073f50faa843f.exesysmysldrv.exepowershell.exesc.exesc.exe

description	ioc	process
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	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	d281e0a0f1e1073f2d290a7eb1f77bed4c210dbf83a0f4f4e22073f50faa843f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sysmysldrv.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

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

powershell.exe

pid process

840 powershell.exe
840 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 840 powershell.exe

pid	process
840	powershell.exe
840	powershell.exe

description	pid	process
Token: SeDebugPrivilege	840	powershell.exe

Suspicious use of WriteProcessMemory 27 IoCs

Processes:

d281e0a0f1e1073f2d290a7eb1f77bed4c210dbf83a0f4f4e22073f50faa843f.exesysmysldrv.execmd.execmd.exe

description	pid	process	target process
PID 4084 wrote to memory of 696	4084	d281e0a0f1e1073f2d290a7eb1f77bed4c210dbf83a0f4f4e22073f50faa843f.exe	sysmysldrv.exe
PID 4084 wrote to memory of 696	4084	d281e0a0f1e1073f2d290a7eb1f77bed4c210dbf83a0f4f4e22073f50faa843f.exe	sysmysldrv.exe
PID 4084 wrote to memory of 696	4084	d281e0a0f1e1073f2d290a7eb1f77bed4c210dbf83a0f4f4e22073f50faa843f.exe	sysmysldrv.exe
PID 696 wrote to memory of 1188	696	sysmysldrv.exe	cmd.exe
PID 696 wrote to memory of 1188	696	sysmysldrv.exe	cmd.exe
PID 696 wrote to memory of 1188	696	sysmysldrv.exe	cmd.exe
PID 696 wrote to memory of 1836	696	sysmysldrv.exe	cmd.exe
PID 696 wrote to memory of 1836	696	sysmysldrv.exe	cmd.exe
PID 696 wrote to memory of 1836	696	sysmysldrv.exe	cmd.exe
PID 1188 wrote to memory of 840	1188	cmd.exe	powershell.exe
PID 1188 wrote to memory of 840	1188	cmd.exe	powershell.exe
PID 1188 wrote to memory of 840	1188	cmd.exe	powershell.exe
PID 1836 wrote to memory of 4280	1836	cmd.exe	sc.exe
PID 1836 wrote to memory of 4280	1836	cmd.exe	sc.exe
PID 1836 wrote to memory of 4280	1836	cmd.exe	sc.exe
PID 1836 wrote to memory of 4864	1836	cmd.exe	sc.exe
PID 1836 wrote to memory of 4864	1836	cmd.exe	sc.exe
PID 1836 wrote to memory of 4864	1836	cmd.exe	sc.exe
PID 1836 wrote to memory of 5064	1836	cmd.exe	sc.exe
PID 1836 wrote to memory of 5064	1836	cmd.exe	sc.exe
PID 1836 wrote to memory of 5064	1836	cmd.exe	sc.exe
PID 1836 wrote to memory of 2456	1836	cmd.exe	sc.exe
PID 1836 wrote to memory of 2456	1836	cmd.exe	sc.exe
PID 1836 wrote to memory of 2456	1836	cmd.exe	sc.exe
PID 1836 wrote to memory of 1716	1836	cmd.exe	sc.exe
PID 1836 wrote to memory of 1716	1836	cmd.exe	sc.exe
PID 1836 wrote to memory of 1716	1836	cmd.exe	sc.exe

C:\Users\Admin\AppData\Local\Temp\d281e0a0f1e1073f2d290a7eb1f77bed4c210dbf83a0f4f4e22073f50faa843f.exe
"C:\Users\Admin\AppData\Local\Temp\d281e0a0f1e1073f2d290a7eb1f77bed4c210dbf83a0f4f4e22073f50faa843f.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4084
- C:\Windows\sysmysldrv.exe
  C:\Windows\sysmysldrv.exe
  2⤵
  - Modifies security service
  - Windows security bypass
  - Executes dropped EXE
  - Windows security modification
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:696
- - 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"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1188
  - - 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"
      4⤵
      Command and Scripting Interpreter: PowerShell
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:840
- - 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
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1836
  - - C:\Windows\SysWOW64\sc.exe
      sc stop UsoSvc
      4⤵
      Launches sc.exe
      System Location Discovery: System Language Discovery
      PID:4280
  - - C:\Windows\SysWOW64\sc.exe
      sc stop WaaSMedicSvc
      4⤵
      Launches sc.exe
      System Location Discovery: System Language Discovery
      PID:4864
  - - C:\Windows\SysWOW64\sc.exe
      sc stop wuauserv
      4⤵
      Launches sc.exe
      System Location Discovery: System Language Discovery
      PID:5064
  - - C:\Windows\SysWOW64\sc.exe
      sc stop DoSvc
      4⤵
      Launches sc.exe
      System Location Discovery: System Language Discovery
      PID:2456
  - - C:\Windows\SysWOW64\sc.exe
      sc stop BITS
      4⤵
      Launches sc.exe
      System Location Discovery: System Language Discovery
      PID:1716

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

System Services

1

T1569

Service Execution

1

T1569.002

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Defense Evasion

Impair Defenses

3

T1562

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Service Stop

1

T1489

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_utb2b4yh.suo.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Windows\sysmysldrv.exe

Filesize
92KB

MD5
be9388b42333b3d4e163b0ace699897b

SHA1
4e1109772eb9cb59c557380822166fe1664403bd

SHA256
d281e0a0f1e1073f2d290a7eb1f77bed4c210dbf83a0f4f4e22073f50faa843f

SHA512
5f887f1060b898c9a88745cde7cf509fdf42947ab8e5948b46c2df659468dc245b24d089bdbec0b314c40b83934698bf4b6feb8954e32810ff8f522aab0af19a

Download Submit
memory/840-21-0x00000000077A0000-0x00000000077D4000-memory.dmp

Filesize
208KB

Download
memory/840-32-0x00000000079E0000-0x0000000007A84000-memory.dmp

Filesize
656KB

Download
memory/840-9-0x0000000006240000-0x00000000062A6000-memory.dmp

Filesize
408KB

Download
memory/840-8-0x00000000061D0000-0x0000000006236000-memory.dmp

Filesize
408KB

Download
memory/840-6-0x00000000059B0000-0x0000000005FDA000-memory.dmp

Filesize
6.2MB

Download
memory/840-18-0x00000000063B0000-0x0000000006707000-memory.dmp

Filesize
3.3MB

Download
memory/840-19-0x0000000006790000-0x00000000067AE000-memory.dmp

Filesize
120KB

Download
memory/840-20-0x0000000006840000-0x000000000688C000-memory.dmp

Filesize
304KB

Download
memory/840-5-0x0000000005340000-0x0000000005376000-memory.dmp

Filesize
216KB

Download
memory/840-31-0x0000000007760000-0x000000000777E000-memory.dmp

Filesize
120KB

Download
memory/840-22-0x00000000701E0000-0x000000007022C000-memory.dmp

Filesize
304KB

Download
memory/840-7-0x0000000006030000-0x0000000006052000-memory.dmp

Filesize
136KB

Download
memory/840-33-0x0000000008190000-0x000000000880A000-memory.dmp

Filesize
6.5MB

Download
memory/840-34-0x0000000007B10000-0x0000000007B2A000-memory.dmp

Filesize
104KB

Download
memory/840-35-0x0000000007B70000-0x0000000007B7A000-memory.dmp

Filesize
40KB

Download
memory/840-36-0x0000000007D80000-0x0000000007E16000-memory.dmp

Filesize
600KB

Download
memory/840-37-0x0000000007D10000-0x0000000007D21000-memory.dmp

Filesize
68KB

Download
memory/840-38-0x0000000007D40000-0x0000000007D4E000-memory.dmp

Filesize
56KB

Download
memory/840-39-0x0000000007D50000-0x0000000007D65000-memory.dmp

Filesize
84KB

Download
memory/840-40-0x0000000007E40000-0x0000000007E5A000-memory.dmp

Filesize
104KB

Download
memory/840-41-0x0000000007E30000-0x0000000007E38000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads