phorphiex | 971782050c51b673582b9a67acd83ceb2ac99cdc21f118805d89c99ea325f326

Analysis

max time kernel
119s
max time network
119s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
18/09/2024, 09:25

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General

Target
971782050c51b673582b9a67acd83ceb2ac99cdc21f118805d89c99ea325f326N.exe
Size 113KB
Sample240918-ldrvaatbkh
SHA256 971782050c51b673582b9a67acd83ceb2ac99cdc21f118805d89c99ea325f326
MD5 000e19937f565c3a38ad9b65fc477220
SHA1 13f66b6e809039b03e7828fbe8e01d56ccfcef76
SHA512 d6a70999c61a3fd49e00f547d4d645bcf7a50b4fec62219b263fa2f03ee3f9fba18e04df2eef086c1381972aa65dc1ae9f83794351c7bbe5f033874664d3a9d1
SSDEEP 1536:W966Spw1RSGXwStXQR1mTqZh52bAGXHnDtCdGgYluexaNSxFfHYTo+Gl:88wDSRUT0kbAYn2GgYlBYN2fHYTo+
MD5 SHA1 SHA512 SSDEEP

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
3BiS1jaRpWtkqtfZGp9f1rXXts5DyUkaBX
DLUzwvyxN1RrwjByUPPzVMdfxNRPGVRMMA
t1J6GCPCiHW1eRdjJgDDu6b1vSVmL5U7Twh
stars125f3mw4xd9htpsq4zj5w5ezm5gags37yxxh6mj
bnb1msyt0djx4ecspfxg5en0ye465kg3kmv9utzml2
bc1ppypcmu3684n648gyj62gjp2rw0xy7w3vwfamatlg29ajp4z52desafa0sr
bc1qc9edl4hzl9jyt8twdad3zjeh2df2znq96tdezd
bitcoincash:qph44jx8r9k5xeq5cuf958krv3ewrnp5vc6hhdjd3r
GBQJMXYXPRIWFMXIFJR35ZB7LRKMB4PHCIUAUFR3TKUL6RDBZVLZEUJ3

Attributes

mutex
g6ewdt666w
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"	syscapvbrd.exe

Phorphiex payload 1 IoCs

resource	yara_rule
behavioral2/files/0x00070000000234e3-10.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\UpdatesOverride = "1"	syscapvbrd.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	syscapvbrd.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	syscapvbrd.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	syscapvbrd.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	syscapvbrd.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	syscapvbrd.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
4856	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-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	syscapvbrd.exe

Executes dropped EXE 3 IoCs

pid	Process
1984	A028.exe
3328	315827968.exe
2104	syscapvbrd.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"	syscapvbrd.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	syscapvbrd.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	syscapvbrd.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiSpywareOverride = "1"	syscapvbrd.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	syscapvbrd.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	syscapvbrd.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesOverride = "1"	syscapvbrd.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\\syscapvbrd.exe"	315827968.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\syscapvbrd.exe	315827968.exe
File opened for modification	C:\Windows\syscapvbrd.exe	315827968.exe

Launches sc.exe 5 IoCs

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

pid	Process
4600	sc.exe
2980	sc.exe
2772	sc.exe
3096	sc.exe
1404	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	powershell.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	A028.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	syscapvbrd.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	315827968.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4856	powershell.exe
4856	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4856	powershell.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 3272 wrote to memory of 1984	3272	971782050c51b673582b9a67acd83ceb2ac99cdc21f118805d89c99ea325f326N.exe	83
PID 3272 wrote to memory of 1984	3272	971782050c51b673582b9a67acd83ceb2ac99cdc21f118805d89c99ea325f326N.exe	83
PID 3272 wrote to memory of 1984	3272	971782050c51b673582b9a67acd83ceb2ac99cdc21f118805d89c99ea325f326N.exe	83
PID 1984 wrote to memory of 3328	1984	A028.exe	88
PID 1984 wrote to memory of 3328	1984	A028.exe	88
PID 1984 wrote to memory of 3328	1984	A028.exe	88
PID 3328 wrote to memory of 2104	3328	315827968.exe	89
PID 3328 wrote to memory of 2104	3328	315827968.exe	89
PID 3328 wrote to memory of 2104	3328	315827968.exe	89
PID 2104 wrote to memory of 1972	2104	syscapvbrd.exe	91
PID 2104 wrote to memory of 1972	2104	syscapvbrd.exe	91
PID 2104 wrote to memory of 1972	2104	syscapvbrd.exe	91
PID 2104 wrote to memory of 2952	2104	syscapvbrd.exe	93
PID 2104 wrote to memory of 2952	2104	syscapvbrd.exe	93
PID 2104 wrote to memory of 2952	2104	syscapvbrd.exe	93
PID 1972 wrote to memory of 4856	1972	cmd.exe	95
PID 1972 wrote to memory of 4856	1972	cmd.exe	95
PID 1972 wrote to memory of 4856	1972	cmd.exe	95
PID 2952 wrote to memory of 4600	2952	cmd.exe	96
PID 2952 wrote to memory of 4600	2952	cmd.exe	96
PID 2952 wrote to memory of 4600	2952	cmd.exe	96
PID 2952 wrote to memory of 2980	2952	cmd.exe	97
PID 2952 wrote to memory of 2980	2952	cmd.exe	97
PID 2952 wrote to memory of 2980	2952	cmd.exe	97
PID 2952 wrote to memory of 2772	2952	cmd.exe	98
PID 2952 wrote to memory of 2772	2952	cmd.exe	98
PID 2952 wrote to memory of 2772	2952	cmd.exe	98
PID 2952 wrote to memory of 3096	2952	cmd.exe	99
PID 2952 wrote to memory of 3096	2952	cmd.exe	99
PID 2952 wrote to memory of 3096	2952	cmd.exe	99
PID 2952 wrote to memory of 1404	2952	cmd.exe	100
PID 2952 wrote to memory of 1404	2952	cmd.exe	100
PID 2952 wrote to memory of 1404	2952	cmd.exe	100

C:\Users\Admin\AppData\Local\Temp\971782050c51b673582b9a67acd83ceb2ac99cdc21f118805d89c99ea325f326N.exe
"C:\Users\Admin\AppData\Local\Temp\971782050c51b673582b9a67acd83ceb2ac99cdc21f118805d89c99ea325f326N.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3272
- C:\Users\Admin\AppData\Local\Temp\A028.exe
  "C:\Users\Admin\AppData\Local\Temp\A028.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1984
- - C:\Users\Admin\AppData\Local\Temp\315827968.exe
    C:\Users\Admin\AppData\Local\Temp\315827968.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:3328
  - - C:\Windows\syscapvbrd.exe
      C:\Windows\syscapvbrd.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:2104
    - - 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:1972
      - 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:4856
    - - 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
        5⤵
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:2952
      - C:\Windows\SysWOW64\sc.exe
        
        sc stop UsoSvc
        6⤵
        Launches sc.exe
        System Location Discovery: System Language Discovery
        
        PID:4600
      - C:\Windows\SysWOW64\sc.exe
        
        sc stop WaaSMedicSvc
        6⤵
        Launches sc.exe
        System Location Discovery: System Language Discovery
        
        PID:2980
      - C:\Windows\SysWOW64\sc.exe
        
        sc stop wuauserv
        6⤵
        Launches sc.exe
        System Location Discovery: System Language Discovery
        
        PID:2772
      - C:\Windows\SysWOW64\sc.exe
        
        sc stop DoSvc
        6⤵
        Launches sc.exe
        System Location Discovery: System Language Discovery
        
        PID:3096
      - C:\Windows\SysWOW64\sc.exe
        
        sc stop BITS
        6⤵
        Launches sc.exe
        System Location Discovery: System Language Discovery
        
        PID:1404

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

315827968.exe

Path C:\Users\Admin\AppData\Local\Temp\315827968.exe
Size 100KB
SHA256 93237a51bb710bd488b0e5bfa8288751445eafcc795364df7652535f3c210431
MD5 ce554fe53b2620c56f6abb264a588616
SHA1 77bbdcd30e7e931ef95c913406faf92fa70d4c94
SHA512 2330b9bdcd3c4d5d3f6a65cb277dce7d59bb655cce6285154ea8153b2b7df41c9a51b0bb62fa218e7345032e83f3b7e738fc1fea5f56a8bb4690733f51442982
SSDEEP 1536:YuH++VxFmavM2ajXGbrYacv0c0+7d4jE5LeBqQaQG9MfKk:Ve+QOyjXG2v0NOdvglfKk
MD5 SHA1 SHA512 SSDEEP

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A028.exe

Path C:\Users\Admin\AppData\Local\Temp\A028.exe
Size 9KB
SHA256 feb4c3ae4566f0acbb9e0f55417b61fefd89dc50a4e684df780813fb01d61278
MD5 8d8e6c7952a9dc7c0c73911c4dbc5518
SHA1 9098da03b33b2c822065b49d5220359c275d5e94
SHA512 91a573843c28dd32a9f31a60ba977f9a3d4bb19ffd1b7254333e09bcecef348c1b3220a348ebb2cb08edb57d56cb7737f026519da52199c9dc62c10aea236645
SSDEEP 96:zMn7AN23D0TXraYgnY1dTNDiIp+BYA8vrcVO15uJxGE9YUBz2qh3C7tCEkC:A7ANUYhUYPtp+OFMJxTmUBzthckC
MD5 SHA1 SHA512 SSDEEP

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__PSScriptPolicyTest_dz3yg1hq.tpk.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_dz3yg1hq.tpk.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

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memory/4856-35-0x00000000752F0000-0x000000007533C000-memory.dmp

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memory/4856-46-0x0000000007930000-0x00000000079D3000-memory.dmp

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memory/4856-24-0x00000000062C0000-0x0000000006326000-memory.dmp

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memory/4856-18-0x0000000005A30000-0x0000000006058000-memory.dmp

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memory/4856-20-0x0000000006250000-0x00000000062B6000-memory.dmp

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memory/4856-31-0x0000000006530000-0x0000000006884000-memory.dmp

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memory/4856-32-0x0000000006930000-0x000000000694E000-memory.dmp

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memory/4856-33-0x0000000006980000-0x00000000069CC000-memory.dmp

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memory/4856-34-0x0000000006F10000-0x0000000006F42000-memory.dmp

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memory/4856-17-0x0000000005390000-0x00000000053C6000-memory.dmp

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memory/4856-45-0x0000000007900000-0x000000000791E000-memory.dmp

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memory/4856-19-0x0000000005980000-0x00000000059A2000-memory.dmp

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memory/4856-47-0x0000000008310000-0x000000000898A000-memory.dmp

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memory/4856-48-0x0000000007C60000-0x0000000007C7A000-memory.dmp

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memory/4856-49-0x0000000007CD0000-0x0000000007CDA000-memory.dmp

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memory/4856-50-0x0000000007EE0000-0x0000000007F76000-memory.dmp

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memory/4856-51-0x0000000007E80000-0x0000000007E91000-memory.dmp

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memory/4856-52-0x0000000007EA0000-0x0000000007EAE000-memory.dmp

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memory/4856-53-0x0000000007EB0000-0x0000000007EC4000-memory.dmp

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memory/4856-54-0x0000000007FA0000-0x0000000007FBA000-memory.dmp

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memory/4856-55-0x0000000007F80000-0x0000000007F88000-memory.dmp

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