| File name: | nerdbob.exe |
| Full analysis: | https://app.any.run/tasks/948a6f59-7787-45cf-a261-14d99d04f38b |
| Verdict: | Malicious activity |
| Threats: | Ransomware is a type of malicious software that locks users out of their system or data using different methods to force them to pay a ransom. Most often, such programs encrypt files on an infected machine and demand a fee to be paid in exchange for the decryption key. Additionally, such programs can be used to steal sensitive information from the compromised computer and even conduct DDoS attacks against affected organizations to pressure them into paying. |
| Analysis date: | April 29, 2025, 16:38:40 |
| OS: | Windows 10 Professional (build: 19044, 64 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/vnd.microsoft.portable-executable |
| File info: | PE32 executable (GUI) Intel 80386 (stripped to external PDB), for MS Windows, 10 sections |
| MD5: | 9304FE02402D94A1E3ED88C2F533F660 |
| SHA1: | 1452DFF9BDE5AED15DC439DA5FD59A927F053774 |
| SHA256: | A66E56DFD266A9CC3C8D7D173E7AC45F4886540A02F35AE717421DF7E1F71978 |
| SSDEEP: | 98304:9gKIj2kohZQsjRml5hUV+6pyH9lLoCXWui4bthFR2G1TuRjMFA6x7QXJXh8dmjBJ:eh61CaTqWOUVV5Hd |
MALICIOUS
TROX has been detected
- nerdbob.exe (PID: 6964)
Renames files like ransomware
- nerdbob.exe (PID: 5048)
RANSOMWARE has been detected
- nerdbob.exe (PID: 5048)
SUSPICIOUS
Executable content was dropped or overwritten
- nerdbob.exe (PID: 6964)
Process drops python dynamic module
- nerdbob.exe (PID: 6964)
The process drops C-runtime libraries
- nerdbob.exe (PID: 6964)
Process drops legitimate windows executable
- nerdbob.exe (PID: 6964)
Loads Python modules
- nerdbob.exe (PID: 5048)
Reads security settings of Internet Explorer
- nerdbob.exe (PID: 6964)
INFO
Create files in a temporary directory
- nerdbob.exe (PID: 6964)
Checks supported languages
- nerdbob.exe (PID: 6964)
- nerdbob.exe (PID: 5048)
The sample compiled with english language support
- nerdbob.exe (PID: 6964)
Reads the computer name
- nerdbob.exe (PID: 5048)
- nerdbob.exe (PID: 6964)
Reads the machine GUID from the registry
- nerdbob.exe (PID: 5048)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | Win32 Executable MS Visual C++ (generic) (67.4) |
|---|---|---|
| .dll | | | Win32 Dynamic Link Library (generic) (14.2) |
| .exe | | | Win32 Executable (generic) (9.7) |
| .exe | | | Generic Win/DOS Executable (4.3) |
| .exe | | | DOS Executable Generic (4.3) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2025:04:29 03:48:39+00:00 |
| ImageFileCharacteristics: | Executable, No line numbers, No symbols, Large address aware, 32-bit, No debug |
| PEType: | PE32 |
| LinkerVersion: | 2.43 |
| CodeSize: | 86016 |
| InitializedDataSize: | 10378240 |
| UninitializedDataSize: | 150528 |
| EntryPoint: | 0x10ba |
| OSVersion: | 4 |
| ImageVersion: | 1 |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 0.2.1.0 |
| ProductVersionNumber: | 0.2.1.0 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Win32 |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | Neutral |
| CharacterSet: | Unicode |
| ProductName: | nerdbob |
| ProductVersion: | 0.2.1.0 |
| FileVersion: | 0.2.1.0 |
| OriginalFileName: | nerdbob.exe |
| InternalName: | nerdbob |
| FileDescription: | nerdbob.exe |
Total processes
126
Monitored processes
2
Malicious processes
2
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 5048 | C:\Users\admin\AppData\Local\Temp\nerdbob.exe | C:\Users\admin\AppData\Local\Temp\onefile_6964_133904183300956185\nerdbob.exe | nerdbob.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Description: nerdbob.exe Exit code: 0 Version: 0.2.1.0 Modules
| |||||||||||||||
| 6964 | "C:\Users\admin\AppData\Local\Temp\nerdbob.exe" | C:\Users\admin\AppData\Local\Temp\nerdbob.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Description: nerdbob.exe Exit code: 0 Version: 0.2.1.0 Modules
| |||||||||||||||
Total events
507
Read events
507
Write events
0
Delete events
0
Modification events
Executable files
21
Suspicious files
2
Text files
972
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 6964 | nerdbob.exe | C:\Users\admin\AppData\Local\Temp\onefile_6964_133904183300956185\n.png | image | |
MD5:23F337FB76D359335E0AD023138E2FBF | SHA256:FAA84A0075A8AF5BC2999F4918619C8287A589F63442839EA3C61E708048C8E7 | |||
| 6964 | nerdbob.exe | C:\Users\admin\AppData\Local\Temp\onefile_6964_133904183300956185\_bz2.pyd | executable | |
MD5:FF5AC8FB724EDB1635E2AD985F98EE5B | SHA256:B94F64FCB49F40682ED794FA1940A1DC0C8A28F24A1768D3BFE774CF75F59B62 | |||
| 6964 | nerdbob.exe | C:\Users\admin\AppData\Local\Temp\onefile_6964_133904183300956185\_lzma.pyd | executable | |
MD5:65880A33015AF2030A08987924CA737B | SHA256:A71366B95D89D1539A6EE751D48A969C1BCA1AA75116424CC5F905F32A625EEA | |||
| 6964 | nerdbob.exe | C:\Users\admin\AppData\Local\Temp\onefile_6964_133904183300956185\nerdbob.exe | executable | |
MD5:766BC5655656BC7525532C3CD20FF44E | SHA256:43341F3BB408E537742A67B421DDF75C822526E7CEB26DA03EFA3AE063F45AC8 | |||
| 6964 | nerdbob.exe | C:\Users\admin\AppData\Local\Temp\onefile_6964_133904183300956185\_decimal.pyd | executable | |
MD5:E4292AD50769F592F34BC63F62A5E428 | SHA256:0240F15B44E2D3E37EBEFBB221D3D6017BE5EF99806EC4E36C3521F284CB8043 | |||
| 6964 | nerdbob.exe | C:\Users\admin\AppData\Local\Temp\onefile_6964_133904183300956185\_hashlib.pyd | executable | |
MD5:E84E1BA269371E439C2D52024ACA6535 | SHA256:2FCB297733E6080480AC24CF073FF5E239FB02A1CE9694313C5047F9C58D781B | |||
| 6964 | nerdbob.exe | C:\Users\admin\AppData\Local\Temp\onefile_6964_133904183300956185\_tkinter.pyd | executable | |
MD5:E46970E8EB0061DF01347A3723140E77 | SHA256:71C4545CEE713F26CF2F910A08340DD519C4713B8416479F74B0B9E2683C85D5 | |||
| 6964 | nerdbob.exe | C:\Users\admin\AppData\Local\Temp\onefile_6964_133904183300956185\libcrypto-1_1.dll | executable | |
MD5:C0E55A25DD5C5447F15EED0CA6552AB7 | SHA256:9FEFBA93FA3300732B7E68FB3B4DBB57BF2726889772A1D0D6694A71820D71F3 | |||
| 6964 | nerdbob.exe | C:\Users\admin\AppData\Local\Temp\onefile_6964_133904183300956185\python3.dll | executable | |
MD5:65BF7CFE0395E5743B944F05E79F7719 | SHA256:5C65274ADFA565EBBC0E8F4A59C1628BCDE1250278A72DD926A15D842EC4F5BE | |||
| 6964 | nerdbob.exe | C:\Users\admin\AppData\Local\Temp\onefile_6964_133904183300956185\python37.dll | executable | |
MD5:D49EAC0FAA510F2B2A8934A0F4E4A46F | SHA256:625CA7BB2D34A3986F77C0C5CE572A08FEBFCACF5050A986507E822FF694DCAA | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
5
TCP/UDP connections
19
DNS requests
13
Threats
0
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
— | — | GET | 200 | 2.16.168.114:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
— | — | GET | 200 | 2.23.246.101:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
6544 | svchost.exe | GET | 200 | 184.30.131.245:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D | unknown | — | — | whitelisted |
4400 | SIHClient.exe | GET | 200 | 2.23.246.101:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl | unknown | — | — | whitelisted |
4400 | SIHClient.exe | GET | 200 | 2.23.246.101:80 | 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 |
|---|---|---|---|---|---|---|
2104 | svchost.exe | 20.73.194.208:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
6148 | RUXIMICS.exe | 20.73.194.208:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
— | — | 20.73.194.208:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
— | — | 2.16.168.114:80 | crl.microsoft.com | Akamai International B.V. | RU | whitelisted |
— | — | 2.23.246.101:80 | www.microsoft.com | Ooredoo Q.S.C. | QA | whitelisted |
3216 | svchost.exe | 172.211.123.249:443 | client.wns.windows.com | MICROSOFT-CORP-MSN-AS-BLOCK | FR | whitelisted |
6544 | svchost.exe | 20.190.160.5:443 | login.live.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
6544 | svchost.exe | 184.30.131.245:80 | ocsp.digicert.com | AKAMAI-AS | US | whitelisted |
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
DNS requests
Domain | IP | Reputation |
|---|---|---|
google.com |
| whitelisted |
settings-win.data.microsoft.com |
| whitelisted |
crl.microsoft.com |
| whitelisted |
www.microsoft.com |
| whitelisted |
client.wns.windows.com |
| whitelisted |
login.live.com |
| whitelisted |
ocsp.digicert.com |
| whitelisted |
slscr.update.microsoft.com |
| whitelisted |
fe3cr.delivery.mp.microsoft.com |
| whitelisted |