| File name: | chrosha.exe |
| Full analysis: | https://app.any.run/tasks/934aa6c3-2097-4d49-b6be-ec07062926a8 |
| Verdict: | Malicious activity |
| Analysis date: | June 28, 2024, 17:17:31 |
| 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: | 73D73C48859FC7AA4FD78D9A57F859D6 |
| SHA1: | C1F71EA0692D97C653FF5A5ECBC03FD02173FE05 |
| SHA256: | D46A8FA545385AB42CA58F6175B13F4B9989D88322AB624F646623B4A52A4876 |
| SSDEEP: | 98304:kMvj2fDnN4S1QoTqBmJ43QcyY+pxxAPqy3xmMpxxOexWuXT4Z4U3TRU9FGJ+TjAg:zZ |
MALICIOUS
Drops the executable file immediately after the start
- chrosha.exe (PID: 3424)
SUSPICIOUS
Executable content was dropped or overwritten
- chrosha.exe (PID: 3424)
Reads the BIOS version
- chrosha.exe (PID: 3424)
INFO
Checks supported languages
- chrosha.exe (PID: 3424)
- wmpnscfg.exe (PID: 3520)
Reads the computer name
- wmpnscfg.exe (PID: 3520)
- chrosha.exe (PID: 3424)
Manual execution by a user
- wmpnscfg.exe (PID: 3520)
Create files in a temporary directory
- chrosha.exe (PID: 3424)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .dll | | | Win32 Dynamic Link Library (generic) (43.5) |
|---|---|---|
| .exe | | | Win32 Executable (generic) (29.8) |
| .exe | | | Generic Win/DOS Executable (13.2) |
| .exe | | | DOS Executable Generic (13.2) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2024:02:01 15:56:05+00:00 |
| ImageFileCharacteristics: | Executable, 32-bit |
| PEType: | PE32 |
| LinkerVersion: | 14.24 |
| CodeSize: | 318464 |
| InitializedDataSize: | 109056 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x4b0000 |
| OSVersion: | 6 |
| ImageVersion: | - |
| SubsystemVersion: | 6 |
| Subsystem: | Windows GUI |
Total processes
39
Monitored processes
2
Malicious processes
1
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3424 | "C:\Users\admin\AppData\Local\Temp\chrosha.exe" | C:\Users\admin\AppData\Local\Temp\chrosha.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
| |||||||||||||||
| 3520 | "C:\Program Files\Windows Media Player\wmpnscfg.exe" | C:\Program Files\Windows Media Player\wmpnscfg.exe | — | explorer.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Media Player Network Sharing Service Configuration Application Exit code: 0 Version: 12.0.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
Total events
328
Read events
328
Write events
0
Delete events
0
Modification events
Executable files
1
Suspicious files
1
Text files
0
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 3424 | chrosha.exe | C:\Windows\Tasks\chrosha.job | binary | |
MD5:9841667825B49C7128F5512243E99123 | SHA256:349FC6B7D170E13B0682081EA810C35C7B1C093D5FE398836E1268DBF268A4C1 | |||
| 3424 | chrosha.exe | C:\Users\admin\AppData\Local\Temp\4d0ab15804\chrosha.exe | executable | |
MD5:73D73C48859FC7AA4FD78D9A57F859D6 | SHA256:D46A8FA545385AB42CA58F6175B13F4B9989D88322AB624F646623B4A52A4876 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
4
TCP/UDP connections
12
DNS requests
6
Threats
0
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
1372 | svchost.exe | GET | 304 | 199.232.214.172:80 | http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?33775f6043c93e33 | US | — | — | unknown |
1060 | svchost.exe | GET | 304 | 199.232.214.172:80 | http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?fbe613066ac7852b | US | — | — | unknown |
1372 | svchost.exe | GET | 200 | 95.101.149.131:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | NL | binary | 973 b | unknown |
1372 | svchost.exe | GET | 200 | 2.16.164.34:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | NL | binary | 1.01 Kb | unknown |
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
1060 | svchost.exe | 224.0.0.252:5355 | — | — | — | unknown |
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
1372 | svchost.exe | 51.124.78.146:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
2564 | svchost.exe | 239.255.255.250:3702 | — | — | — | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
1372 | svchost.exe | 199.232.214.172:80 | ctldl.windowsupdate.com | FASTLY | US | unknown |
1372 | svchost.exe | 2.16.164.34:80 | crl.microsoft.com | Akamai International B.V. | NL | unknown |
1372 | svchost.exe | 95.101.149.131:80 | www.microsoft.com | Akamai International B.V. | NL | unknown |
1060 | svchost.exe | 199.232.214.172:80 | ctldl.windowsupdate.com | FASTLY | US | unknown |
DNS requests
Domain | IP | Reputation |
|---|---|---|
dns.msftncsi.com |
| shared |
settings-win.data.microsoft.com |
| whitelisted |
ctldl.windowsupdate.com |
| whitelisted |
crl.microsoft.com |
| whitelisted |
www.microsoft.com |
| whitelisted |
Threats
Process | Message |
|---|---|
chrosha.exe |
%s------------------------------------------------
--- Themida Professional ---
--- (c)2012 Oreans Technologies ---
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