File name:

UpdateBrowserForApp.exe

Full analysis: https://app.any.run/tasks/6363f336-2074-46b9-921e-6f8dffa85126
Verdict: Malicious activity
Analysis date: July 27, 2023, 15:21:31
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
MD5:

C641411D0286FC50621E64430A99852E

SHA1:

35E5134A20BF7CEA1541ECAEC30446E67EC50FED

SHA256:

AEA3D7472BAE1372B8EB77D0F1B13C394EF0B2F47337CCE5DB2ADFF1766F3F3A

SSDEEP:

24576:oyvHZyK7WGwk1XYqBHdNyvwYjYT27o8B2pj+xvNq40AELfX:vPnpdXYqBHdNyvwY0q7x1vNqJ5

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

    • Actions looks like stealing of personal data

      • UpdateBrowserForApp.exe (PID: 2624)

    • Steals credentials from Web Browsers

      • UpdateBrowserForApp.exe (PID: 2624)

    • Application was dropped or rewritten from another process

      • UpdateBrowserForApp.exe (PID: 2624)

    • Loads dropped or rewritten executable

      • UpdateBrowserForApp.exe (PID: 2624)

  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • UpdateBrowserForApp.exe (PID: 992)

    • Reads browser cookies

      • UpdateBrowserForApp.exe (PID: 2624)

  • INFO

    • Checks supported languages

      • UpdateBrowserForApp.exe (PID: 992)
      • UpdateBrowserForApp.exe (PID: 2624)

    • Reads the computer name

      • UpdateBrowserForApp.exe (PID: 2624)

    • Create files in a temporary directory

      • UpdateBrowserForApp.exe (PID: 992)

    • Reads the machine GUID from the registry

      • UpdateBrowserForApp.exe (PID: 2624)

    • The process checks LSA protection

      • UpdateBrowserForApp.exe (PID: 2624)

    • Creates files or folders in the user directory

      • UpdateBrowserForApp.exe (PID: 2624)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | Win32 Executable MS Visual C++ (generic) (42.2)
.exe | Win64 Executable (generic) (37.3)
.dll | Win32 Dynamic Link Library (generic) (8.8)
.exe | Win32 Executable (generic) (6)
.exe | Generic Win/DOS Executable (2.7)

EXIF

EXE

ProductVersion: 1.0.0.1
ProductName: UpdateBrowserForApp
OriginalFileName: WEXTRACT.EXE .MUI
LegalCopyright: © Microsoft Corporation. All rights reserved.
InternalName: Wextract
FileVersion: 1.0.0.1
FileDescription: UpdateBrowserForApp
CompanyName: Microsoft Corporation
CharacterSet: Unicode
LanguageCode: English (U.S.)
FileSubtype: -
ObjectFileType: Executable application
FileOS: Windows NT 32-bit
FileFlags: (none)
FileFlagsMask: 0x003f
ProductVersionNumber: 1.0.0.1
FileVersionNumber: 1.0.0.1
Subsystem: Windows GUI
SubsystemVersion: 6
ImageVersion: 10
OSVersion: 10
EntryPoint: 0x6a00
UninitializedDataSize: -
InitializedDataSize: 1076736
CodeSize: 25600
LinkerVersion: 14.2
PEType: PE32
ImageFileCharacteristics: Executable, 32-bit
TimeStamp: 2000:11:24 11:50:57+00:00
MachineType: Intel 386 or later, and compatibles

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 24-Nov-2000 11:50:57
Detected languages:
  • English - United States
Debug artifacts:
  • wextract.pdb
CompanyName: Microsoft Corporation
FileDescription: Win32 Cabinet Self-Extractor
FileVersion: 11.00.19041.1 (WinBuild.160101.0800)
InternalName: Wextract
LegalCopyright: © Microsoft Corporation. All rights reserved.
OriginalFilename: WEXTRACT.EXE .MUI
ProductName: Internet Explorer
ProductVersion: 11.00.19041.1

DOS Header

Magic number: MZ
Bytes on last page of file: 0x0090
Pages in file: 0x0003
Relocations: 0x0000
Size of header: 0x0004
Min extra paragraphs: 0x0000
Max extra paragraphs: 0xFFFF
Initial SS value: 0x0000
Initial SP value: 0x00B8
Checksum: 0x0000
Initial IP value: 0x0000
Initial CS value: 0x0000
Overlay number: 0x0000
OEM identifier: 0x0000
OEM information: 0x0000
Address of NE header: 0x000000E0

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 5
Time date stamp: 24-Nov-2000 11:50:57
Pointer to Symbol Table: 0x00000000
Number of symbols: 0
Size of Optional Header: 0x00E0
Characteristics:
  • IMAGE_FILE_32BIT_MACHINE
  • IMAGE_FILE_EXECUTABLE_IMAGE

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
.text
0x00001000
0x000062C4
0x00006400
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.30166
.data
0x00008000
0x00001A48
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
4.97064
.idata
0x0000A000
0x00001052
0x00001200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
5.02242
.rsrc
0x0000C000
0x00104F28
0x00105000
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
7.95923
.reloc
0x00111000
0x00000888
0x00000A00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
6.27379

Resources

Title
Entropy
Size
Codepage
Language
Type
1
5.00338
2018
Latin 1 / Western European
English - United States
RT_MANIFEST
2
3.15864
744
Latin 1 / Western European
English - United States
RT_ICON
3
3.07737
488
Latin 1 / Western European
English - United States
RT_ICON
4
3.50949
296
Latin 1 / Western European
English - United States
RT_ICON
5
5.56662
3752
Latin 1 / Western European
English - United States
RT_ICON
6
5.94251
2216
Latin 1 / Western European
English - United States
RT_ICON
7
5.99361
1736
Latin 1 / Western European
English - United States
RT_ICON
8
3.37828
1384
Latin 1 / Western European
English - United States
RT_ICON
9
7.98515
55762
Latin 1 / Western European
English - United States
RT_ICON
10
5.33023
9640
Latin 1 / Western European
English - United States
RT_ICON

Imports

ADVAPI32.dll
COMCTL32.dll
Cabinet.dll
GDI32.dll
KERNEL32.dll
USER32.dll
VERSION.dll
msvcrt.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
2
Suspicious processes
0

Behavior graph

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

Process information

PID
CMD
Path
Indicators
Parent process
992"C:\Users\admin\AppData\Local\Temp\UpdateBrowserForApp.exe" C:\Users\admin\AppData\Local\Temp\UpdateBrowserForApp.exe
explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
UpdateBrowserForApp
Exit code:
0
Version:
1.0.0.1
Modules
Images
c:\users\admin\appdata\local\temp\updatebrowserforapp.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
2624C:\Users\admin\AppData\Local\Temp\IXP000.TMP\UpdateBrowserForApp.exeC:\Users\admin\AppData\Local\Temp\IXP000.TMP\UpdateBrowserForApp.exe
UpdateBrowserForApp.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
UpdateBrowserForApp
Exit code:
0
Version:
1.0.0.1
Modules
Images
c:\users\admin\appdata\local\temp\ixp000.tmp\updatebrowserforapp.exe
c:\windows\system32\mscoree.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\ntdll.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\kernel32.dll
c:\windows\apppatch\aclayers.dll
c:\windows\system32\sspicli.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\rpcrt4.dll
Total events
85
Read events
85
Write events
0
Delete events
0

Modification events

No data
Executable files
4
Suspicious files
1
Text files
0
Unknown types
0

Dropped files

PID
Process
Filename
Type
992UpdateBrowserForApp.exeC:\Users\admin\AppData\Local\Temp\IXP000.TMP\SQLite.Interop.dllexecutable
MD5:955601436FB81D7CE747C0B8C476EBBB
SHA256:8F150469E660D105D1471582264C6F8A63B4E3DF66D92F2BB5B4F8B0C59BDA60
992UpdateBrowserForApp.exeC:\Users\admin\AppData\Local\Temp\IXP000.TMP\Newtonsoft.Json.dllexecutable
MD5:6815034209687816D8CF401877EC8133
SHA256:7F912B28A07C226E0BE3ACFB2F57F050538ABA0100FA1F0BF2C39F1A1F1DA814
2624UpdateBrowserForApp.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\cookies.sqlite-shmbinary
MD5:B7C14EC6110FA820CA6B65F5AEC85911
SHA256:FD4C9FDA9CD3F9AE7C962B0DDF37232294D55580E1AA165AA06129B8549389EB
992UpdateBrowserForApp.exeC:\Users\admin\AppData\Local\Temp\IXP000.TMP\UpdateBrowserForApp.exeexecutable
MD5:B7CB35A6C91318A75AA54FEBE20D3692
SHA256:DE8E97362E82641F2FDAA24A82CAAA08A510D8B82C1B47BD682AB93C8B9BF2F3
992UpdateBrowserForApp.exeC:\Users\admin\AppData\Local\Temp\IXP000.TMP\System.Data.SQLite.dllexecutable
MD5:CB9085DD2E2150FDCC25CA2129D3500A
SHA256:F586C2549E7ABDE8A3FFCE59168899FD4F84CB0F5FB1750816881F2C7013B454
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
2720
svchost.exe
239.255.255.250:1900
—
—
—
whitelisted
4
System
192.168.100.255:138
—
—
—
whitelisted
1084
svchost.exe
224.0.0.252:5355
—
—
—
unknown

DNS requests

No data

Threats

No threats detected
No debug info
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Reports
UpdateBrowserForApp.exe