File name:

mail access checker.exe

Full analysis: https://app.any.run/tasks/23ed8c6f-1290-4ad0-a2cb-4922390bf5f4
Verdict: Malicious activity
Analysis date: January 19, 2025, 12:50:15
OS: Windows 10 Professional (build: 19045, 64 bit)
Tags:
pyinstaller
python
Indicators:
MIME: application/vnd.microsoft.portable-executable
File info: PE32 executable (GUI) Intel 80386, for MS Windows, 3 sections
MD5:

672EFD88A59E4E1FA3FE9F18ADE72D09

SHA1:

60998A69B9D83598FF9B66C22013ECDB25EEE68E

SHA256:

18A95984FE80BCC9318CAA42AE5C2BDFAC6E4747B747253381391B2B13FA5FC5

SSDEEP:

98304:etfGrRCpfAbLUnj4Aq4lrYJhhDvsU2oL8nBMqdPfzKeJQJHOGh9wv2WsUbUdw35k:0Abv9y0SCZ/dbpNb1Ou

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

    No malicious indicators.
  • SUSPICIOUS

    • Starts application with an unusual extension

      • mail access checker.exe (PID: 6296)
      • mail access checker.exe  (PID: 6452)
    • Executable content was dropped or overwritten

      • mail access checker.exe (PID: 6296)
      • mail access checker.exe  (PID: 6452)
    • Starts itself from another location

      • mail access checker.exe (PID: 6296)
    • Process drops legitimate windows executable

      • mail access checker.exe  (PID: 6452)
    • The process drops C-runtime libraries

      • mail access checker.exe  (PID: 6452)
    • Process drops python dynamic module

      • mail access checker.exe  (PID: 6452)
    • Application launched itself

      • mail access checker.exe  (PID: 6452)
    • Reads security settings of Internet Explorer

      • mail access checker.exe  (PID: 2216)
    • Loads Python modules

      • mail access checker.exe  (PID: 2216)
  • INFO

    • Creates files or folders in the user directory

      • mail access checker.exe (PID: 6296)
    • Checks supported languages

      • mail access checker.exe (PID: 6296)
      • mail access checker.exe  (PID: 6452)
      • icsys.icn.exe (PID: 6460)
      • mail access checker.exe  (PID: 2216)
    • Reads the computer name

      • mail access checker.exe  (PID: 6452)
      • icsys.icn.exe (PID: 6460)
      • mail access checker.exe (PID: 6296)
      • mail access checker.exe  (PID: 2216)
    • The sample compiled with english language support

      • mail access checker.exe (PID: 6296)
      • mail access checker.exe  (PID: 6452)
    • Create files in a temporary directory

      • icsys.icn.exe (PID: 6460)
      • mail access checker.exe (PID: 6296)
      • mail access checker.exe  (PID: 6452)
    • Failed to create an executable file in Windows directory

      • icsys.icn.exe (PID: 6460)
    • PyInstaller has been detected (YARA)

      • mail access checker.exe  (PID: 6452)
    • Reads the machine GUID from the registry

      • mail access checker.exe  (PID: 2216)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | Win32 Executable Microsoft Visual Basic 6 (42.6)
.exe | InstallShield setup (22.3)
.exe | Win32 Executable MS Visual C++ (generic) (16.2)
.exe | Win64 Executable (generic) (14.3)
.exe | Win32 Executable (generic) (2.3)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2011:06:14 19:01:16+00:00
ImageFileCharacteristics: No relocs, Executable, No line numbers, No symbols, 32-bit
PEType: PE32
LinkerVersion: 6
CodeSize: 176128
InitializedDataSize: 12288
UninitializedDataSize: -
EntryPoint: 0x3670
OSVersion: 4
ImageVersion: 1
SubsystemVersion: 4
Subsystem: Windows GUI
FileVersionNumber: 1.0.0.0
ProductVersionNumber: 1.0.0.0
FileFlagsMask: 0x0000
FileFlags: (none)
FileOS: Win32
ObjectFileType: Executable application
FileSubtype: -
LanguageCode: English (U.S.)
CharacterSet: Unicode
CompanyName: Microsoft
ProductName: Win
FileVersion: 1
ProductVersion: 1
InternalName: Win
OriginalFileName: Win.exe
No data.
screenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
132
Monitored processes
5
Malicious processes
2
Suspicious processes
0

Behavior graph

Click at the process to see the details
start mail access checker.exe mail access checker.exe  icsys.icn.exe no specs conhost.exe no specs mail access checker.exe  no specs

Process information

PID
CMD
Path
Indicators
Parent process
2216"c:\users\admin\appdata\local\temp\mail access checker.exe " C:\Users\admin\AppData\Local\Temp\mail access checker.exe mail access checker.exe 
User:
admin
Integrity Level:
MEDIUM
Modules
Images
c:\users\admin\appdata\local\temp\mail access checker.exe 
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
c:\windows\system32\wow64.dll
c:\windows\system32\wow64win.dll
c:\windows\system32\wow64cpu.dll
c:\windows\syswow64\kernel32.dll
c:\windows\syswow64\kernelbase.dll
c:\windows\syswow64\apphelp.dll
c:\windows\syswow64\advapi32.dll
6296"C:\Users\admin\AppData\Local\Temp\mail access checker.exe" C:\Users\admin\AppData\Local\Temp\mail access checker.exe
explorer.exe
User:
admin
Company:
Microsoft
Integrity Level:
MEDIUM
Exit code:
0
Version:
1.00
Modules
Images
c:\users\admin\appdata\local\temp\mail access checker.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
c:\windows\system32\wow64.dll
c:\windows\system32\wow64win.dll
c:\windows\system32\wow64cpu.dll
c:\windows\syswow64\kernel32.dll
c:\windows\syswow64\kernelbase.dll
c:\windows\syswow64\apphelp.dll
c:\windows\syswow64\msvbvm60.dll
6452"c:\users\admin\appdata\local\temp\mail access checker.exe " C:\Users\admin\AppData\Local\Temp\mail access checker.exe 
mail access checker.exe
User:
admin
Integrity Level:
MEDIUM
Modules
Images
c:\users\admin\appdata\local\temp\mail access checker.exe 
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
c:\windows\system32\wow64.dll
c:\windows\system32\wow64win.dll
c:\windows\system32\wow64cpu.dll
c:\windows\syswow64\kernel32.dll
c:\windows\syswow64\kernelbase.dll
c:\windows\syswow64\apphelp.dll
c:\windows\syswow64\advapi32.dll
6460C:\Users\admin\AppData\Local\icsys.icn.exeC:\Users\admin\AppData\Local\icsys.icn.exemail access checker.exe
User:
admin
Company:
Microsoft
Integrity Level:
MEDIUM
Exit code:
0
Version:
1.00
Modules
Images
c:\users\admin\appdata\local\icsys.icn.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
c:\windows\system32\wow64.dll
c:\windows\system32\wow64win.dll
c:\windows\system32\wow64cpu.dll
c:\windows\syswow64\kernel32.dll
c:\windows\syswow64\kernelbase.dll
c:\windows\syswow64\apphelp.dll
c:\windows\syswow64\msvbvm60.dll
6468\??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1C:\Windows\System32\conhost.exemail access checker.exe 
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Console Window Host
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\conhost.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\shcore.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\combase.dll
c:\windows\system32\rpcrt4.dll
Total events
3 410
Read events
3 389
Write events
21
Delete events
0

Modification events

(PID) Process:(6460) icsys.icn.exeKey:HKEY_CURRENT_USER\SOFTWARE\VB and VBA Program Settings\Explorer\Process
Operation:writeName:LO
Value:
1
(PID) Process:(6296) mail access checker.exeKey:HKEY_CURRENT_USER\SOFTWARE\VB and VBA Program Settings\Explorer\Process
Operation:writeName:LO
Value:
1
(PID) Process:(2216) mail access checker.exe Key:HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\BagMRU
Operation:writeName:NodeSlots
Value:
02020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202
(PID) Process:(2216) mail access checker.exe Key:HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\BagMRU
Operation:writeName:MRUListEx
Value:
0E000000040000000300000000000000100000000F0000000C0000000D0000000B000000050000000A000000090000000800000001000000070000000600000002000000FFFFFFFF
(PID) Process:(2216) mail access checker.exe Key:HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\14
Operation:writeName:MRUListEx
Value:
00000000020000000300000001000000FFFFFFFF
(PID) Process:(2216) mail access checker.exe Key:HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\Bags\209\Shell
Operation:writeName:SniffedFolderType
Value:
Generic
(PID) Process:(2216) mail access checker.exe Key:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer
Operation:writeName:GlobalAssocChangedCounter
Value:
105
(PID) Process:(2216) mail access checker.exe Key:HKEY_CURRENT_USER\SOFTWARE\Microsoft\OneDrive\Accounts
Operation:writeName:LastUpdate
Value:
49F58C6700000000
Executable files
26
Suspicious files
7
Text files
915
Unknown types
0

Dropped files

PID
Process
Filename
Type
6452mail access checker.exe C:\Users\admin\AppData\Local\Temp\_MEI64522\VCRUNTIME140.dllexecutable
MD5:AE96651CFBD18991D186A029CBECB30C
SHA256:1B372F064EACB455A0351863706E6326CA31B08E779A70DE5DE986B5BE8069A1
6452mail access checker.exe C:\Users\admin\AppData\Local\Temp\_MEI64522\_asyncio.pydexecutable
MD5:4E406CBFBFB77D6155B814E9F344165C
SHA256:47998CDEC5D134DD351947D94AD5CA5A234130D22DFF7DAE1A12B8C06DAF2891
6452mail access checker.exe C:\Users\admin\AppData\Local\Temp\_MEI64522\_bz2.pydexecutable
MD5:1C7F3F37A067019B7926C0F92F3A3AA7
SHA256:BBC7F102B547180EA8CA5FF496F1BD419BFEFD360BE15610AE6B08837076F5DC
6296mail access checker.exeC:\Users\admin\AppData\Local\icsys.icn.exeexecutable
MD5:D09C3F1C2BD7BDABD474D272BB1F6B42
SHA256:067BE26B41A52DDBCADA5CE393C91FD1555812BB6722B9CE0B892A2DDB17043B
6452mail access checker.exe C:\Users\admin\AppData\Local\Temp\_MEI64522\_lzma.pydexecutable
MD5:280C3A7C8C5E5282EC8E746AE685FF54
SHA256:C6E30F1139D4F2B1EC7A5ACA8563D6F946EE6FFA6A90A4EB066CD867D3384C39
6452mail access checker.exe C:\Users\admin\AppData\Local\Temp\_MEI64522\_tkinter.pydexecutable
MD5:1B81683BE893967C0300BA93D65626F2
SHA256:DF2C5E49D13DAA417CD599C0955AEEA0679543766E5F30F1814B1F8BF9C6435D
6296mail access checker.exeC:\Users\admin\AppData\Local\Temp\mail access checker.exe executable
MD5:485AC6CDC8BB8CD5C3621A2772482B47
SHA256:974737403125B78C57DB8126B28D8B80686B0447CC12D1BD141EE6E89E55FC26
6452mail access checker.exe C:\Users\admin\AppData\Local\Temp\_MEI64522\_overlapped.pydexecutable
MD5:54C6149AB1C0A621B22BE4F4046386B6
SHA256:44D896E8AA8887BAD398B03DFDB8CF72AA3C0D87730A2AC0D92763722A426A7F
6452mail access checker.exe C:\Users\admin\AppData\Local\Temp\_MEI64522\libffi-7.dllexecutable
MD5:BC20614744EBF4C2B8ACD28D1FE54174
SHA256:0C7EC6DE19C246A23756B8550E6178AC2394B1093E96D0F43789124149486F57
6452mail access checker.exe C:\Users\admin\AppData\Local\Temp\_MEI64522\_ctypes.pydexecutable
MD5:ADAD459A275B619F700D52A0F9470131
SHA256:2695A7635FA2BEBB6BD720146916F21676E846EA5F39288886BBB27CE2AF92F4
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
4
TCP/UDP connections
27
DNS requests
11
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
6192
SIHClient.exe
GET
200
184.30.21.171:80
http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl
unknown
whitelisted
2072
backgroundTaskHost.exe
GET
200
2.17.190.73:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAUZZSZEml49Gjh0j13P68w%3D
unknown
whitelisted
1176
svchost.exe
GET
200
2.17.190.73:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D
unknown
whitelisted
6192
SIHClient.exe
GET
200
184.30.21.171:80
http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl
unknown
whitelisted
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
20.73.194.208:443
MICROSOFT-CORP-MSN-AS-BLOCK
NL
whitelisted
4712
MoUsoCoreWorker.exe
20.73.194.208:443
MICROSOFT-CORP-MSN-AS-BLOCK
NL
whitelisted
1176
svchost.exe
20.190.159.4:443
login.live.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
1176
svchost.exe
2.17.190.73:80
ocsp.digicert.com
AKAMAI-AS
DE
whitelisted
1076
svchost.exe
23.218.210.69:443
go.microsoft.com
AKAMAI-AS
DE
whitelisted
4712
MoUsoCoreWorker.exe
51.124.78.146:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
NL
whitelisted
2536
svchost.exe
51.124.78.146:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
NL
whitelisted
4
System
192.168.100.255:137
whitelisted
2072
backgroundTaskHost.exe
20.74.47.205:443
arc.msn.com
MICROSOFT-CORP-MSN-AS-BLOCK
FR
whitelisted

DNS requests

Domain
IP
Reputation
login.live.com
  • 20.190.159.4
  • 20.190.159.68
  • 40.126.31.73
  • 20.190.159.64
  • 20.190.159.0
  • 40.126.31.67
  • 20.190.159.73
  • 40.126.31.69
whitelisted
go.microsoft.com
  • 23.218.210.69
whitelisted
settings-win.data.microsoft.com
  • 51.124.78.146
whitelisted
arc.msn.com
  • 20.74.47.205
whitelisted
ocsp.digicert.com
  • 2.17.190.73
whitelisted
fd.api.iris.microsoft.com
  • 20.223.35.26
whitelisted
slscr.update.microsoft.com
  • 172.202.163.200
whitelisted
www.microsoft.com
  • 184.30.21.171
whitelisted
fe3cr.delivery.mp.microsoft.com
  • 20.3.187.198
whitelisted

Threats

No threats detected
No debug info