File name:

phdays.exe

Full analysis: https://app.any.run/tasks/d03f4e1f-a691-48f6-a12a-28ce9f426ec2
Verdict: Malicious activity
Threats:

LockBit, a ransomware variant, encrypts data on infected machines, demanding a ransom payment for decryption. Used in targeted attacks, It's a significant risk to organizations.

Analysis date: May 29, 2024, 18:10:42
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
ransomware
lockbit
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386, for MS Windows
MD5:

76B23DD72A883D8B1302BB4A514B7967

SHA1:

338E19E8A3615C29D8A825EBBA66CF55FA0CAA2C

SHA256:

311EDF744C2E90D7BFC550C893478F43D1D7977694D5DCECF219795F3EB99B86

SSDEEP:

3072:7mhXodguLLDzaJ/A7z7zT73wO1mW4sRsUCSvJPhX:Hfza6z7zQO1TVRstU

ANY.RUN is an interactive service which provides full access to the guest system. Information in this report could be distorted by user actions and is provided for user acknowledgement as it is. ANY.RUN does not guarantee maliciousness or safety of the content.
  • MALICIOUS

    • Drops the executable file immediately after the start

      • phdays.exe (PID: 3984)
      • phdays.exe (PID: 864)
    • Known privilege escalation attack

      • dllhost.exe (PID: 4088)
      • dllhost.exe (PID: 4036)
    • Renames files like ransomware

      • phdays.exe (PID: 864)
    • Steals credentials from Web Browsers

      • phdays.exe (PID: 864)
    • [YARA] LockBit is detected

      • phdays.exe (PID: 864)
    • Actions looks like stealing of personal data

      • phdays.exe (PID: 864)
      • phdays.exe (PID: 372)
      • phdays.exe (PID: 4004)
  • SUSPICIOUS

    • Write to the desktop.ini file (may be used to cloak folders)

      • phdays.exe (PID: 864)
    • Reads browser cookies

      • phdays.exe (PID: 864)
  • INFO

    • Checks supported languages

      • phdays.exe (PID: 3984)
      • phdays.exe (PID: 864)
      • phdays.exe (PID: 4004)
      • phdays.exe (PID: 3888)
      • phdays.exe (PID: 372)
      • phdays.exe (PID: 2280)
    • Reads the computer name

      • phdays.exe (PID: 3984)
      • phdays.exe (PID: 864)
      • phdays.exe (PID: 3888)
      • phdays.exe (PID: 4004)
      • phdays.exe (PID: 2280)
      • phdays.exe (PID: 372)
    • Reads security settings of Internet Explorer

      • dllhost.exe (PID: 4088)
      • dllhost.exe (PID: 4036)
    • Checks transactions between databases Windows and Oracle

      • phdays.exe (PID: 3984)
      • phdays.exe (PID: 3888)
      • phdays.exe (PID: 2280)
    • Creates files in the program directory

      • phdays.exe (PID: 864)
    • Reads the machine GUID from the registry

      • phdays.exe (PID: 3984)
      • phdays.exe (PID: 864)
      • phdays.exe (PID: 3888)
      • phdays.exe (PID: 4004)
      • phdays.exe (PID: 2280)
      • phdays.exe (PID: 372)
    • Manual execution by a user

      • explorer.exe (PID: 1660)
      • phdays.exe (PID: 3888)
      • phdays.exe (PID: 2280)
    • Dropped object may contain TOR URL's

      • phdays.exe (PID: 864)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.dll | Win32 Dynamic Link Library (generic) (38.3)
.exe | Win32 Executable (generic) (26.2)
.exe | Win16/32 Executable Delphi generic (12)
.exe | Generic Win/DOS Executable (11.6)
.exe | DOS Executable Generic (11.6)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2022:09:13 23:30:57+00:00
ImageFileCharacteristics: Executable, 32-bit
PEType: PE32
LinkerVersion: 14.12
CodeSize: 99328
InitializedDataSize: 50688
UninitializedDataSize: -
EntryPoint: 0x1946f
OSVersion: 5.1
ImageVersion: -
SubsystemVersion: 5.1
Subsystem: Windows GUI
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
63
Monitored processes
9
Malicious processes
5
Suspicious processes
1

Behavior graph

Click at the process to see the details
start phdays.exe no specs CMSTPLUA #LOCKBIT phdays.exe explorer.exe no specs phdays.exe no specs CMSTPLUA phdays.exe phdays.exe no specs phdays.exe

Process information

PID
CMD
Path
Indicators
Parent process
372"C:\Users\admin\AppData\Local\Temp\phdays.exe" C:\Users\admin\AppData\Local\Temp\phdays.exe
dllhost.exe
User:
admin
Integrity Level:
HIGH
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\phdays.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\imm32.dll
864"C:\Users\admin\AppData\Local\Temp\phdays.exe" C:\Users\admin\AppData\Local\Temp\phdays.exe
dllhost.exe
User:
admin
Integrity Level:
HIGH
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\phdays.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\imm32.dll
1660"C:\Windows\explorer.exe" C:\Windows\explorer.exeexplorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Explorer
Exit code:
1
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\explorer.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
2280"C:\Users\admin\AppData\Local\Temp\phdays.exe" C:\Users\admin\AppData\Local\Temp\phdays.exeexplorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\phdays.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\imm32.dll
3888"C:\Users\admin\AppData\Local\Temp\phdays.exe" C:\Users\admin\AppData\Local\Temp\phdays.exeexplorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\phdays.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\imm32.dll
3984"C:\Users\admin\AppData\Local\Temp\phdays.exe" C:\Users\admin\AppData\Local\Temp\phdays.exeexplorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\phdays.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\imm32.dll
4004"C:\Users\admin\AppData\Local\Temp\phdays.exe" C:\Users\admin\AppData\Local\Temp\phdays.exe
dllhost.exe
User:
admin
Integrity Level:
HIGH
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\phdays.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\imm32.dll
4036C:\Windows\system32\DllHost.exe /Processid:{3E5FC7F9-9A51-4367-9063-A120244FBEC7}C:\Windows\System32\dllhost.exe
svchost.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
COM Surrogate
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\dllhost.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\ole32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
4088C:\Windows\system32\DllHost.exe /Processid:{3E5FC7F9-9A51-4367-9063-A120244FBEC7}C:\Windows\System32\dllhost.exe
svchost.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
COM Surrogate
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\dllhost.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\ole32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
Total events
9 498
Read events
6 479
Write events
3 019
Delete events
0

Modification events

(PID) Process:(4088) dllhost.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:ProxyBypass
Value:
1
(PID) Process:(4088) dllhost.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:IntranetName
Value:
1
(PID) Process:(4088) dllhost.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
1
(PID) Process:(4088) dllhost.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
0
(PID) Process:(864) phdays.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer
Operation:writeName:GlobalAssocChangedCounter
Value:
116
(PID) Process:(864) phdays.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\WINEVT\Channels\Analytic
Operation:writeName:Enabled
Value:
0
(PID) Process:(864) phdays.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\WINEVT\Channels\Analytic
Operation:writeName:ChannelAccess
Value:
O:BAG:SYD:(A;;0x1;;;SY)(A;;0x5;;;BA)(A;;0x1;;;LA)
(PID) Process:(864) phdays.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\WINEVT\Channels\DirectShowFilterGraph
Operation:writeName:Enabled
Value:
0
(PID) Process:(864) phdays.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\WINEVT\Channels\DirectShowFilterGraph
Operation:writeName:ChannelAccess
Value:
O:BAG:SYD:(A;;0x1;;;SY)(A;;0x5;;;BA)(A;;0x1;;;LA)
(PID) Process:(864) phdays.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\WINEVT\Channels\DirectShowPluginControl
Operation:writeName:Enabled
Value:
0
Executable files
6
Suspicious files
1 286
Text files
481
Unknown types
100

Dropped files

PID
Process
Filename
Type
864phdays.exeC:\Users\Administrator\Favorites\Windows Live\Windows Live Mail.url.FihqnBxYmurl
MD5:F1D69EC4BC8F3BC62804487B1AFC91FC
SHA256:846EBF1AAFF5D3DBA6707BBC5B013EFA437E1811C87CDE6137D46882E4519313
864phdays.exeC:\$Recycle.Bin\S-1-5-21-1302019708-1500728564-335382590-1000\DDDDDDDDDDDbinary
MD5:33AEBBD6AED6FF77301747369061F500
SHA256:4C1F405810F9C9F93D23367F6292C363A3D8BF852400F5575B9B145F69B45278
864phdays.exeC:\ProgramData\FihqnBxYm.icoimage
MD5:88D9337C4C9CFE2D9AFF8A2C718EC76B
SHA256:95E059EF72686460884B9AEA5C292C22917F75D56FE737D43BE440F82034F438
864phdays.exeC:\$Recycle.Bin\S-1-5-21-1302019708-1500728564-335382590-1000\CCCCCCCCCCCbinary
MD5:33AEBBD6AED6FF77301747369061F500
SHA256:4C1F405810F9C9F93D23367F6292C363A3D8BF852400F5575B9B145F69B45278
864phdays.exeC:\$Recycle.Bin\S-1-5-21-1302019708-1500728564-335382590-1000\desktop.inibinary
MD5:33AEBBD6AED6FF77301747369061F500
SHA256:4C1F405810F9C9F93D23367F6292C363A3D8BF852400F5575B9B145F69B45278
864phdays.exeC:\$Recycle.Bin\S-1-5-21-1302019708-1500728564-335382590-1000\AAAAAAAAAAAbinary
MD5:33AEBBD6AED6FF77301747369061F500
SHA256:4C1F405810F9C9F93D23367F6292C363A3D8BF852400F5575B9B145F69B45278
864phdays.exeC:\Users\Administrator\Favorites\Windows Live\Get Windows Live.url.FihqnBxYmbinary
MD5:C7F2E7D3466314545A62E154E9571FDB
SHA256:735B6AEAB5624C8F57C1E9152AC07B60E731752B32FF10CE9A580FFD7467C98B
864phdays.exeC:\$Recycle.Bin\S-1-5-21-1302019708-1500728564-335382590-1000\BBBBBBBBBBBbinary
MD5:33AEBBD6AED6FF77301747369061F500
SHA256:4C1F405810F9C9F93D23367F6292C363A3D8BF852400F5575B9B145F69B45278
864phdays.exeC:\$Recycle.Bin\S-1-5-21-1302019708-1500728564-335382590-1000\GGGGGGGGGGGbinary
MD5:33AEBBD6AED6FF77301747369061F500
SHA256:4C1F405810F9C9F93D23367F6292C363A3D8BF852400F5575B9B145F69B45278
864phdays.exeC:\$Recycle.Bin\S-1-5-21-1302019708-1500728564-335382590-1000\HHHHHHHHHHHbinary
MD5:33AEBBD6AED6FF77301747369061F500
SHA256:4C1F405810F9C9F93D23367F6292C363A3D8BF852400F5575B9B145F69B45278
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
4
DNS requests
0
Threats
0

HTTP requests

No HTTP requests
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
4
System
192.168.100.255:137
whitelisted
4
System
192.168.100.255:138
whitelisted
224.0.0.252:5355
unknown
1088
svchost.exe
224.0.0.252:5355
unknown

DNS requests

No data

Threats

No threats detected
No debug info