File name:

bfb9db791b8250ffa8ebc48295c5dbbca757a5ed3bbb01de12a871b5cd9afd5a.7z

Full analysis: https://app.any.run/tasks/e29838fa-54bc-400c-962f-cc293b0fb25d
Verdict: Malicious activity
Threats:

GandCrab is probably one of the most famous Ransomware. A Ransomware is a malware that asks the victim to pay money in order to restore access to encrypted files. If the user does not cooperate the files are forever lost.

Analysis date: April 13, 2025, 15:18:19
OS: Windows 10 Professional (build: 19044, 64 bit)
Tags:
arch-exec
gandcrab
ransomware
stealer
Indicators:
MIME: application/x-7z-compressed
File info: 7-zip archive data, version 0.4
MD5:

508965A02C5BA7682816877D4486EDB4

SHA1:

FAD26212B023438945B6FF8C24AC8252156DB150

SHA256:

B2D7AC8C41DA4EE464BDCB9C7418CA02CD84373F9A35E4BAB1BDD1E9B6C3C9A1

SSDEEP:

6144:QJJ7VWouLDezDH69imYHrfSXyJtimF9Nm8h2:QJpVWDLDYnmWKXyJtrNo

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

    • Generic archive extractor

      • WinRAR.exe (PID: 4024)
    • RANSOMWARE has been detected

      • bfb9db791b8250ffa8ebc48295c5dbbca757a5ed3bbb01de12a871b5cd9afd5a.exe (PID: 2108)
    • Writes a file to the Word startup folder

      • bfb9db791b8250ffa8ebc48295c5dbbca757a5ed3bbb01de12a871b5cd9afd5a.exe (PID: 2108)
    • Actions looks like stealing of personal data

      • bfb9db791b8250ffa8ebc48295c5dbbca757a5ed3bbb01de12a871b5cd9afd5a.exe (PID: 2108)
    • Renames files like ransomware

      • bfb9db791b8250ffa8ebc48295c5dbbca757a5ed3bbb01de12a871b5cd9afd5a.exe (PID: 2108)
    • GANDCRAB mutex has been found

      • bfb9db791b8250ffa8ebc48295c5dbbca757a5ed3bbb01de12a871b5cd9afd5a.exe (PID: 2108)
  • SUSPICIOUS

    • There is functionality for taking screenshot (YARA)

      • bfb9db791b8250ffa8ebc48295c5dbbca757a5ed3bbb01de12a871b5cd9afd5a.exe (PID: 2108)
    • Creates file in the systems drive root

      • bfb9db791b8250ffa8ebc48295c5dbbca757a5ed3bbb01de12a871b5cd9afd5a.exe (PID: 2108)
  • INFO

    • Executable content was dropped or overwritten

      • WinRAR.exe (PID: 4024)
    • Reads CPU info

      • bfb9db791b8250ffa8ebc48295c5dbbca757a5ed3bbb01de12a871b5cd9afd5a.exe (PID: 2108)
    • Creates files or folders in the user directory

      • bfb9db791b8250ffa8ebc48295c5dbbca757a5ed3bbb01de12a871b5cd9afd5a.exe (PID: 2108)
    • Reads the machine GUID from the registry

      • bfb9db791b8250ffa8ebc48295c5dbbca757a5ed3bbb01de12a871b5cd9afd5a.exe (PID: 2108)
    • Creates files in the program directory

      • bfb9db791b8250ffa8ebc48295c5dbbca757a5ed3bbb01de12a871b5cd9afd5a.exe (PID: 2108)
    • Reads the computer name

      • bfb9db791b8250ffa8ebc48295c5dbbca757a5ed3bbb01de12a871b5cd9afd5a.exe (PID: 2108)
    • Manual execution by a user

      • bfb9db791b8250ffa8ebc48295c5dbbca757a5ed3bbb01de12a871b5cd9afd5a.exe (PID: 2108)
      • notepad.exe (PID: 2960)
    • Checks supported languages

      • bfb9db791b8250ffa8ebc48295c5dbbca757a5ed3bbb01de12a871b5cd9afd5a.exe (PID: 2108)
    • Reads security settings of Internet Explorer

      • notepad.exe (PID: 2960)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.7z | 7-Zip compressed archive (v0.4) (57.1)
.7z | 7-Zip compressed archive (gen) (42.8)

EXIF

ZIP

FileVersion: 7z v0.04
ModifyDate: 2024:05:21 12:29:37+00:00
ArchivedFileName: bfb9db791b8250ffa8ebc48295c5dbbca757a5ed3bbb01de12a871b5cd9afd5a.exe
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
132
Monitored processes
5
Malicious processes
1
Suspicious processes
0

Behavior graph

Click at the process to see the details
start winrar.exe sppextcomobj.exe no specs slui.exe no specs #GANDCRAB bfb9db791b8250ffa8ebc48295c5dbbca757a5ed3bbb01de12a871b5cd9afd5a.exe notepad.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
2108"C:\Users\admin\Desktop\bfb9db791b8250ffa8ebc48295c5dbbca757a5ed3bbb01de12a871b5cd9afd5a.exe" C:\Users\admin\Desktop\bfb9db791b8250ffa8ebc48295c5dbbca757a5ed3bbb01de12a871b5cd9afd5a.exe
explorer.exe
User:
admin
Integrity Level:
HIGH
Modules
Images
c:\users\admin\desktop\bfb9db791b8250ffa8ebc48295c5dbbca757a5ed3bbb01de12a871b5cd9afd5a.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
2960"C:\WINDOWS\system32\NOTEPAD.EXE" C:\YQNFM-MANUAL.txtC:\Windows\System32\notepad.exeexplorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Notepad
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\notepad.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\win32u.dll
c:\windows\system32\gdi32full.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\user32.dll
4024"C:\Program Files\WinRAR\WinRAR.exe" C:\Users\admin\Desktop\bfb9db791b8250ffa8ebc48295c5dbbca757a5ed3bbb01de12a871b5cd9afd5a.7zC:\Program Files\WinRAR\WinRAR.exe
explorer.exe
User:
admin
Company:
Alexander Roshal
Integrity Level:
MEDIUM
Description:
WinRAR archiver
Exit code:
0
Version:
5.91.0
Modules
Images
c:\program files\winrar\winrar.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\user32.dll
c:\windows\system32\win32u.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\gdi32full.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll
5112"C:\WINDOWS\System32\SLUI.exe" RuleId=3482d82e-ca2c-4e1f-8864-da0267b484b2;Action=AutoActivate;AppId=55c92734-d682-4d71-983e-d6ec3f16059f;SkuId=4de7cb65-cdf1-4de9-8ae8-e3cce27b9f2c;NotificationInterval=1440;Trigger=TimerEventC:\Windows\System32\slui.exeSppExtComObj.Exe
User:
NETWORK SERVICE
Company:
Microsoft Corporation
Integrity Level:
SYSTEM
Description:
Windows Activation Client
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\slui.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\bcrypt.dll
c:\windows\system32\user32.dll
6300C:\WINDOWS\system32\SppExtComObj.exe -EmbeddingC:\Windows\System32\SppExtComObj.Exesvchost.exe
User:
NETWORK SERVICE
Company:
Microsoft Corporation
Integrity Level:
SYSTEM
Description:
KMS Connection Broker
Version:
10.0.19041.3996 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\sppextcomobj.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\bcrypt.dll
c:\windows\system32\oleaut32.dll
Total events
19 818
Read events
19 799
Write events
19
Delete events
0

Modification events

(PID) Process:(4024) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory
Operation:writeName:3
Value:
C:\Users\admin\Desktop\preferences.zip
(PID) Process:(4024) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory
Operation:writeName:2
Value:
C:\Users\admin\Desktop\chromium_ext.zip
(PID) Process:(4024) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory
Operation:writeName:1
Value:
C:\Users\admin\Desktop\omni_23_10_2024_.zip
(PID) Process:(4024) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory
Operation:writeName:0
Value:
C:\Users\admin\Desktop\bfb9db791b8250ffa8ebc48295c5dbbca757a5ed3bbb01de12a871b5cd9afd5a.7z
(PID) Process:(4024) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths
Operation:writeName:name
Value:
120
(PID) Process:(4024) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths
Operation:writeName:size
Value:
80
(PID) Process:(4024) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths
Operation:writeName:type
Value:
120
(PID) Process:(4024) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths
Operation:writeName:mtime
Value:
100
(PID) Process:(4024) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\Interface
Operation:writeName:ShowPassword
Value:
0
(PID) Process:(4024) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\Interface\MainWin
Operation:writeName:Placement
Value:
2C0000000000000001000000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF3D0000002D000000FD03000016020000
Executable files
3
Suspicious files
1 138
Text files
0
Unknown types
0

Dropped files

PID
Process
Filename
Type
2108bfb9db791b8250ffa8ebc48295c5dbbca757a5ed3bbb01de12a871b5cd9afd5a.exeC:\$WinREAgent\Backup\Winre.wim
MD5:
SHA256:
2108bfb9db791b8250ffa8ebc48295c5dbbca757a5ed3bbb01de12a871b5cd9afd5a.exeC:\$WinREAgent\Backup\Winre.wim.yqnfm
MD5:
SHA256:
2108bfb9db791b8250ffa8ebc48295c5dbbca757a5ed3bbb01de12a871b5cd9afd5a.exeC:\$Recycle.Bin\S-1-5-21-1693682860-607145093-2874071422-500\YQNFM-MANUAL.txtbinary
MD5:D5513DA8F3C1169EEE4B5BFFCE0AF592
SHA256:A1C55A7A62A651FE18D6909D0FB8BC94A7CDB9DFC891EC8E2B8F10A503A960CA
2108bfb9db791b8250ffa8ebc48295c5dbbca757a5ed3bbb01de12a871b5cd9afd5a.exeC:\$Recycle.Bin\YQNFM-MANUAL.txtbinary
MD5:D5513DA8F3C1169EEE4B5BFFCE0AF592
SHA256:A1C55A7A62A651FE18D6909D0FB8BC94A7CDB9DFC891EC8E2B8F10A503A960CA
2108bfb9db791b8250ffa8ebc48295c5dbbca757a5ed3bbb01de12a871b5cd9afd5a.exeC:\$WinREAgent\Scratch\update.wim
MD5:
SHA256:
2108bfb9db791b8250ffa8ebc48295c5dbbca757a5ed3bbb01de12a871b5cd9afd5a.exeC:\$WinREAgent\Scratch\update.wim.yqnfm
MD5:
SHA256:
2108bfb9db791b8250ffa8ebc48295c5dbbca757a5ed3bbb01de12a871b5cd9afd5a.exeC:\$Recycle.Bin\S-1-5-18\YQNFM-MANUAL.txtbinary
MD5:D5513DA8F3C1169EEE4B5BFFCE0AF592
SHA256:A1C55A7A62A651FE18D6909D0FB8BC94A7CDB9DFC891EC8E2B8F10A503A960CA
4024WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$DRb4024.31568\bfb9db791b8250ffa8ebc48295c5dbbca757a5ed3bbb01de12a871b5cd9afd5a.exeexecutable
MD5:E6B43B1028B6000009253344632E69C4
SHA256:BFB9DB791B8250FFA8EBC48295C5DBBCA757A5ED3BBB01DE12A871B5CD9AFD5A
2108bfb9db791b8250ffa8ebc48295c5dbbca757a5ed3bbb01de12a871b5cd9afd5a.exeC:\YQNFM-MANUAL.txtbinary
MD5:D5513DA8F3C1169EEE4B5BFFCE0AF592
SHA256:A1C55A7A62A651FE18D6909D0FB8BC94A7CDB9DFC891EC8E2B8F10A503A960CA
2108bfb9db791b8250ffa8ebc48295c5dbbca757a5ed3bbb01de12a871b5cd9afd5a.exeC:\$WinREAgent\YQNFM-MANUAL.txtbinary
MD5:D5513DA8F3C1169EEE4B5BFFCE0AF592
SHA256:A1C55A7A62A651FE18D6909D0FB8BC94A7CDB9DFC891EC8E2B8F10A503A960CA
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
4
TCP/UDP connections
19
DNS requests
14
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
GET
200
23.48.23.162:80
http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl
unknown
whitelisted
4188
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
6544
svchost.exe
GET
200
2.17.190.73:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D
unknown
whitelisted
4188
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
192.168.100.255:137
whitelisted
4
System
192.168.100.255:138
whitelisted
2104
svchost.exe
51.104.136.2:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
51.104.136.2:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
23.48.23.162:80
crl.microsoft.com
Akamai International B.V.
DE
whitelisted
3216
svchost.exe
172.211.123.248:443
client.wns.windows.com
MICROSOFT-CORP-MSN-AS-BLOCK
FR
whitelisted
6544
svchost.exe
20.190.159.75:443
login.live.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
6544
svchost.exe
2.17.190.73:80
ocsp.digicert.com
AKAMAI-AS
DE
whitelisted
2112
svchost.exe
51.104.136.2:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
4188
SIHClient.exe
4.245.163.56:443
slscr.update.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
US
whitelisted

DNS requests

Domain
IP
Reputation
settings-win.data.microsoft.com
  • 51.104.136.2
  • 4.231.128.59
whitelisted
crl.microsoft.com
  • 23.48.23.162
  • 23.48.23.141
  • 23.48.23.159
  • 23.48.23.158
whitelisted
google.com
  • 172.217.16.206
whitelisted
client.wns.windows.com
  • 172.211.123.248
whitelisted
login.live.com
  • 20.190.159.75
  • 40.126.31.131
  • 20.190.159.71
  • 40.126.31.71
  • 40.126.31.128
  • 40.126.31.130
  • 20.190.159.128
  • 20.190.159.2
whitelisted
ocsp.digicert.com
  • 2.17.190.73
whitelisted
slscr.update.microsoft.com
  • 4.245.163.56
whitelisted
www.microsoft.com
  • 184.30.21.171
whitelisted
fe3cr.delivery.mp.microsoft.com
  • 40.69.42.241
whitelisted

Threats

No threats detected
No debug info