File name:

Mason.exe

Full analysis: https://app.any.run/tasks/9d6f187b-0211-431f-a945-a846b07005c7
Verdict: Malicious activity
Threats:

Stealers are a group of malicious software that are intended for gaining unauthorized access to users’ information and transferring it to the attacker. The stealer malware category includes various types of programs that focus on their particular kind of data, including files, passwords, and cryptocurrency. Stealers are capable of spying on their targets by recording their keystrokes and taking screenshots. This type of malware is primarily distributed as part of phishing campaigns.

Analysis date: March 10, 2024, 11:49:05
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
stealer
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5:

55534780C8C377C1AEDC596EBC8FE6EE

SHA1:

3BC3A0E6F0A5999D6F31C3038F94751EEEF06B11

SHA256:

F0E270B38C1BE1732F66530BF7948819761000A788DD088CB43E3CD50523A0A4

SSDEEP:

6144:SJxd4YqT827VH+cgZNBsJTwuyjWPmA1D0wk:SJA+cgZ4tw2x1DI

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

      • Mason.exe (PID: 3864)
    • Steals credentials from Web Browsers

      • Mason.exe (PID: 3864)
    • Steals credentials

      • Mason.exe (PID: 3864)
    • Actions looks like stealing of personal data

      • Mason.exe (PID: 3864)
  • SUSPICIOUS

    • Reads the Internet Settings

      • Mason.exe (PID: 3864)
    • Reads browser cookies

      • Mason.exe (PID: 3864)
    • Loads DLL from Mozilla Firefox

      • Mason.exe (PID: 3864)
  • INFO

    • Reads the computer name

      • Mason.exe (PID: 3864)
    • Checks supported languages

      • Mason.exe (PID: 3864)
    • Creates files in the program directory

      • Mason.exe (PID: 3864)
    • Reads Environment values

      • Mason.exe (PID: 3864)
    • Reads the machine GUID from the registry

      • Mason.exe (PID: 3864)
    • Create files in a temporary directory

      • Mason.exe (PID: 3864)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | Generic CIL Executable (.NET, Mono, etc.) (55.8)
.exe | Win64 Executable (generic) (21)
.scr | Windows screen saver (9.9)
.dll | Win32 Dynamic Link Library (generic) (5)
.exe | Win32 Executable (generic) (3.4)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2086:10:26 13:19:14+00:00
ImageFileCharacteristics: Executable, Large address aware
PEType: PE32
LinkerVersion: 48
CodeSize: 308224
InitializedDataSize: 2048
UninitializedDataSize: -
EntryPoint: 0x4adc2
OSVersion: 4
ImageVersion: -
SubsystemVersion: 6
Subsystem: Windows GUI
FileVersionNumber: 1.6.2.0
ProductVersionNumber: 1.6.2.0
FileFlagsMask: 0x003f
FileFlags: (none)
FileOS: Win32
ObjectFileType: Executable application
FileSubtype: -
LanguageCode: Neutral
CharacterSet: Unicode
Comments: 44 CALIBER
CompanyName: 44 CALIBER
FileDescription: 44 CALIBER
FileVersion: 1.6.2.0
InternalName: Insidious.exe
LegalCopyright: FuckTheSystem Copyright © 2021
LegalTrademarks: -
OriginalFileName: Insidious.exe
ProductName: 44 CALIBER
ProductVersion: 1.6.2.0
AssemblyVersion: 1.6.2.0
No data.
screenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
37
Monitored processes
1
Malicious processes
1
Suspicious processes
0

Behavior graph

Click at the process to see the details
start mason.exe

Process information

PID
CMD
Path
Indicators
Parent process
3864"C:\Users\admin\AppData\Local\Temp\Mason.exe" C:\Users\admin\AppData\Local\Temp\Mason.exe
explorer.exe
User:
admin
Company:
44 CALIBER
Integrity Level:
MEDIUM
Description:
44 CALIBER
Exit code:
3762504530
Version:
1.6.2.0
Modules
Images
c:\users\admin\appdata\local\temp\mason.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\mscoree.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\microsoft.net\framework\v4.0.30319\mscoreei.dll
Total events
1 590
Read events
1 578
Write events
12
Delete events
0

Modification events

(PID) Process:(3864) Mason.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Mason_RASAPI32
Operation:writeName:EnableFileTracing
Value:
0
(PID) Process:(3864) Mason.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Mason_RASAPI32
Operation:writeName:EnableConsoleTracing
Value:
0
(PID) Process:(3864) Mason.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Mason_RASAPI32
Operation:writeName:FileTracingMask
Value:
(PID) Process:(3864) Mason.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Mason_RASAPI32
Operation:writeName:ConsoleTracingMask
Value:
(PID) Process:(3864) Mason.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Mason_RASAPI32
Operation:writeName:MaxFileSize
Value:
1048576
(PID) Process:(3864) Mason.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Mason_RASAPI32
Operation:writeName:FileDirectory
Value:
%windir%\tracing
(PID) Process:(3864) Mason.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Mason_RASMANCS
Operation:writeName:EnableFileTracing
Value:
0
(PID) Process:(3864) Mason.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Mason_RASMANCS
Operation:writeName:EnableConsoleTracing
Value:
0
(PID) Process:(3864) Mason.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Mason_RASMANCS
Operation:writeName:FileTracingMask
Value:
(PID) Process:(3864) Mason.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Mason_RASMANCS
Operation:writeName:ConsoleTracingMask
Value:
Executable files
0
Suspicious files
9
Text files
2
Unknown types
0

Dropped files

PID
Process
Filename
Type
3864Mason.exeC:\Users\admin\AppData\Local\Temp\tmpF414.tmp.tmpdb
MD5:
SHA256:
3864Mason.exeC:\Users\admin\AppData\Local\Temp\tmpF465.tmp.tmpdbbinary
MD5:23D08A78BC908C0B29E9800D3D5614E7
SHA256:F6BD7DF5DFAE9FD88811A807DBA14085E00C1B5A6D7CC3D06CC68F6015363D59
3864Mason.exeC:\Users\admin\AppData\Local\Temp\tmpF25.tmp.datsqlite
MD5:0F653EDF207BB943166A7EED331F14AD
SHA256:E4D518E335DF25562B0570F4F3FC6F39BF63F7D84805AECD485C5798671EA3D8
3864Mason.exeC:\Users\admin\AppData\Local\Temp\tmpF455.tmp.datbinary
MD5:52E51471E9281235323F633CD0DEA56C
SHA256:147F3137B387FE4FBE3215B7864568404580A799D031009FE9C718F4C2EF87D0
3864Mason.exeC:\ProgramData\44\Passwords.txttext
MD5:A37DD22710F86F9D5C6809086C5A4AB6
SHA256:185E064F80DD71863EE5E1B224ECC21EC30B9CFBF0BC24891AFDB1CB8A05A29B
3864Mason.exeC:\Users\Public\qldyz51w.default\key4.dbsqlite
MD5:F62D8E993EA9C3B3A89DA19E4012638D
SHA256:0971230A77EE2C3531E8B97E14954692713D5F7C8684788F4A823BBC05AD377A
3864Mason.exeC:\Users\admin\AppData\Local\Temp\tmpF466.tmp.datbinary
MD5:F47EB60CDF981C17722D0CE740129927
SHA256:0210071DF12CA42D70DCB679926668AE072264705AC139A24F94BBC5A129DD8F
3864Mason.exeC:\Users\admin\AppData\Local\Temp\tmpF434.tmp.datbinary
MD5:F47EB60CDF981C17722D0CE740129927
SHA256:0210071DF12CA42D70DCB679926668AE072264705AC139A24F94BBC5A129DD8F
3864Mason.exeC:\Users\Public\qldyz51w.default\cert9.dbsqlite
MD5:ABD01A62C4D5F31D0B0A9474DEB33DD1
SHA256:77EC9DE5C309DC06D88FFA2D38148DA637637B145EC35CFE2EDBDC3148D56128
3864Mason.exeC:\Users\admin\AppData\Local\Temp\tmpF497.tmp.datsqlite
MD5:03EF1C0012EE77CDA2C2CB36DFBDA123
SHA256:800D734016D8FBCDE263D8CD2411167406C544FC090A5DCBD2D374CABF918B86
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
5
DNS requests
1
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
192.168.100.255:138
whitelisted
4
System
192.168.100.255:137
whitelisted
1080
svchost.exe
224.0.0.252:5355
unknown
3716
WerFault.exe
104.208.16.93:443
watson.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
US
unknown

DNS requests

Domain
IP
Reputation
watson.microsoft.com
  • 104.208.16.93
whitelisted

Threats

No threats detected
No debug info