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File name:

winlogon.exe

Full analysis: https://app.any.run/tasks/49bc994a-c117-41c1-a5cf-06f3e87b3e2f
Verdict: Malicious activity
Analysis date: August 12, 2022, 20:43:29
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed
MD5:

8B8CEAC796A6573365C29209F5F13A70

SHA1:

D04B441FEB7CC6F1E79C6FDA357A72457BA23A96

SHA256:

EABBF7EFD3D005EB824A27FFE4C0A670F24003E37773D4E53D060A0F551EFCF4

SSDEEP:

384:qfNgW7LdbkFp24gYBZRsEIcHeC6i/yncOxwz:qfCqb0p24VjRsEdeC6itOx

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 executable file immediately after starts

      • winlogon.exe (PID: 1160)
    • Changes the autorun value in the registry

      • lsass.exe (PID: 2196)
  • SUSPICIOUS

    • Checks supported languages

      • winlogon.exe (PID: 1160)
      • lsass.exe (PID: 2196)
    • Starts itself from another location

      • winlogon.exe (PID: 1160)
    • Reads the computer name

      • winlogon.exe (PID: 1160)
    • Drops a file with a compile date too recent

      • winlogon.exe (PID: 1160)
    • Executable content was dropped or overwritten

      • winlogon.exe (PID: 1160)
  • INFO

    No info indicators.
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | UPX compressed Win32 Executable (61.1)
.dll | Win32 Dynamic Link Library (generic) (14.8)
.exe | Win32 Executable (generic) (10.1)
.exe | Win16/32 Executable Delphi generic (4.6)
.exe | Generic Win/DOS Executable (4.5)

EXIF

EXE

Subsystem: Windows GUI
SubsystemVersion: 4
ImageVersion: -
OSVersion: 4
EntryPoint: 0xe280
UninitializedDataSize: 40960
InitializedDataSize: 4096
CodeSize: 16384
LinkerVersion: 2.25
PEType: PE32
TimeStamp: 1992:06:20 00:22:17+02:00
MachineType: Intel 386 or later, and compatibles

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 19-Jun-1992 22:22:17

DOS Header

Magic number: MZ
Bytes on last page of file: 0x0050
Pages in file: 0x0002
Relocations: 0x0000
Size of header: 0x0004
Min extra paragraphs: 0x000F
Max extra paragraphs: 0xFFFF
Initial SS value: 0x0000
Initial SP value: 0x00B8
Checksum: 0x0000
Initial IP value: 0x0000
Initial CS value: 0x0000
Overlay number: 0x001A
OEM identifier: 0x0000
OEM information: 0x0000
Address of NE header: 0x00000100

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 3
Time date stamp: 19-Jun-1992 22:22:17
Pointer to Symbol Table: 0x00000000
Number of symbols: 0
Size of Optional Header: 0x00E0
Characteristics:
  • IMAGE_FILE_32BIT_MACHINE
  • IMAGE_FILE_BYTES_REVERSED_HI
  • IMAGE_FILE_BYTES_REVERSED_LO
  • IMAGE_FILE_EXECUTABLE_IMAGE
  • IMAGE_FILE_LINE_NUMS_STRIPPED
  • IMAGE_FILE_LOCAL_SYMS_STRIPPED
  • IMAGE_FILE_RELOCS_STRIPPED

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
UPX0
0x00001000
0x0000A000
0x00000000
IMAGE_SCN_CNT_UNINITIALIZED_DATA, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
0
UPX1
0x0000B000
0x00004000
0x00003600
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
7.75248
.rsrc
0x0000F000
0x00001000
0x00000400
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
2.84849

Resources

Title
Entropy
Size
Codepage
Language
Type
CFG
6.75886
172
Latin 1 / Western European
UNKNOWN
RT_RCDATA
DVCLAL
3.875
16
Latin 1 / Western European
UNKNOWN
RT_RCDATA
PACKAGEINFO
7.19504
376
Latin 1 / Western European
UNKNOWN
RT_RCDATA

Imports

KERNEL32.DLL
URLMON.DLL
advapi32.dll
shell32.dll
shfolder.dll
shlwapi.dll
user32.dll
wsock32.dll
No data.
screenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
35
Monitored processes
2
Malicious processes
1
Suspicious processes
1

Behavior graph

Click at the process to see the details
drop and start start winlogon.exe lsass.exe

Process information

PID
CMD
Path
Indicators
Parent process
1160"C:\Users\admin\AppData\Local\Temp\winlogon.exe" C:\Users\admin\AppData\Local\Temp\winlogon.exe
Explorer.EXE
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
2196"C:\Users\admin\appdata\local\lsass.exe" C:\Users\admin\appdata\local\lsass.exe
winlogon.exe
User:
admin
Integrity Level:
MEDIUM
Total events
855
Read events
845
Write events
10
Delete events
0

Modification events

(PID) Process:(1160) winlogon.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:ProxyBypass
Value:
1
(PID) Process:(1160) winlogon.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:IntranetName
Value:
1
(PID) Process:(1160) winlogon.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
1
(PID) Process:(1160) winlogon.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
0
(PID) Process:(2196) lsass.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Operation:writeName:pcterat
Value:
"C:\Users\admin\appdata\local\lsass.exe"
(PID) Process:(2196) lsass.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
Operation:writeName:pcterat
Value:
"C:\Users\admin\appdata\local\lsass.exe"
Executable files
1
Suspicious files
0
Text files
0
Unknown types
0

Dropped files

PID
Process
Filename
Type
1160winlogon.exeC:\users\admin\appdata\local\lsass.exeexecutable
MD5:8B8CEAC796A6573365C29209F5F13A70
SHA256:EABBF7EFD3D005EB824A27FFE4C0A670F24003E37773D4E53D060A0F551EFCF4
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
2
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
192.168.20.128:80
unknown

DNS requests

No data

Threats

No threats detected
Process
Message
winlogon.exe
BILGE:TONYUKUK:BEN:ÖZÜM:TABGAC:ILINGE:KILINDIM:TÜRK:BODUNU:TABGACKA:KÖRÜK:ERTI
lsass.exe
BILGE:TONYUKUK:BEN:ÖZÜM:TABGAC:ILINGE:KILINDIM:TÜRK:BODUNU:TABGACKA:KÖRÜK:ERTI