| File name: | gunzipped |
| Full analysis: | https://app.any.run/tasks/1713945e-08d5-4f0b-8a58-d72d695592aa |
| Verdict: | Malicious activity |
| Threats: | FormBook is a data stealer that is being distributed as a MaaS. FormBook differs from a lot of competing malware by its extreme ease of use that allows even the unexperienced threat actors to use FormBook virus. |
| Analysis date: | November 26, 2023, 17:03:57 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 64 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/x-dosexec |
| File info: | PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows |
| MD5: | 9B4E4041C2731241C61F5C01A8680372 |
| SHA1: | EF93B2347909953AF82D89642AA1962DABE50ADA |
| SHA256: | 878C2055975E65A5CB716BCAD258E77CE3C1706F2824616A2ED2BBB2344FBEC5 |
| SSDEEP: | 24576:Z/HQ6l8n+0X1drA2eZlePxVMHH4gM4jpYMg+o9eqU1tsgKApzVwoTCt:Z/HQ6l8n+0Xjr3eZlSxVMHH4gM4jpYMg |
MALICIOUS
FORMBOOK has been detected (YARA)
- iexpress.exe (PID: 2176)
Actions looks like stealing of personal data
- iexpress.exe (PID: 2176)
SUSPICIOUS
Reads the Internet Settings
- iexpress.exe (PID: 2176)
- gunzipped.exe (PID: 284)
Application launched itself
- gunzipped.exe (PID: 284)
INFO
Reads the computer name
- gunzipped.exe (PID: 284)
Checks proxy server information
- iexpress.exe (PID: 2176)
Checks supported languages
- gunzipped.exe (PID: 2264)
- gunzipped.exe (PID: 284)
Create files in a temporary directory
- iexpress.exe (PID: 2176)
Creates files or folders in the user directory
- iexpress.exe (PID: 2176)
Manual execution by a user
- iexpress.exe (PID: 2176)
Reads the machine GUID from the registry
- gunzipped.exe (PID: 284)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | Generic CIL Executable (.NET, Mono, etc.) (72.2) |
|---|---|---|
| .scr | | | Windows screen saver (12.9) |
| .dll | | | Win32 Dynamic Link Library (generic) (6.4) |
| .exe | | | Win32 Executable (generic) (4.4) |
| .exe | | | Generic Win/DOS Executable (1.9) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2023:11:22 02:20:47+01:00 |
| ImageFileCharacteristics: | Executable, 32-bit |
| PEType: | PE32 |
| LinkerVersion: | 48 |
| CodeSize: | 608256 |
| InitializedDataSize: | 6144 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x967c2 |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 1.0.0.0 |
| ProductVersionNumber: | 1.0.0.0 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Win32 |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | Neutral |
| CharacterSet: | Unicode |
| Comments: | - |
| CompanyName: | - |
| FileDescription: | CurveWinForms |
| FileVersion: | 1.0.0.0 |
| InternalName: | XoB.exe |
| LegalCopyright: | - |
| LegalTrademarks: | - |
| OriginalFileName: | XoB.exe |
| ProductName: | CurveWinForms |
| ProductVersion: | 1.0.0.0 |
| AssemblyVersion: | 1.0.0.0 |
Total processes
36
Monitored processes
4
Malicious processes
2
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 284 | "C:\Users\admin\AppData\Local\Temp\gunzipped.exe" | C:\Users\admin\AppData\Local\Temp\gunzipped.exe | — | explorer.exe | |||||||||||
User: admin Integrity Level: MEDIUM Description: CurveWinForms Exit code: 0 Version: 1.0.0.0 Modules
| |||||||||||||||
| 1944 | C:\Windows\Explorer.EXE | C:\Windows\explorer.exe | — | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Explorer Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2176 | "C:\Windows\SysWOW64\iexpress.exe" | C:\Windows\SysWOW64\iexpress.exe | explorer.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Wizard Exit code: 0 Version: 11.00.9600.16428 (winblue_gdr.131013-1700) Modules
| |||||||||||||||
| 2264 | "C:\Users\admin\AppData\Local\Temp\gunzipped.exe" | C:\Users\admin\AppData\Local\Temp\gunzipped.exe | — | gunzipped.exe | |||||||||||
User: admin Integrity Level: MEDIUM Description: CurveWinForms Exit code: 0 Version: 1.0.0.0 Modules
| |||||||||||||||
Total events
1 323
Read events
1 298
Write events
25
Delete events
0
Modification events
| (PID) Process: | (1944) explorer.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Action Center\Checks\{C8E6F269-B90A-4053-A3BE-499AFCEC98C4}.check.0 |
| Operation: | write | Name: | CheckSetting |
Value: 01000000D08C9DDF0115D1118C7A00C04FC297EB01000000088AF72B0747534094337F63DE35C94A000000000200000000001066000000010000200000003A7AE26404D75DF41C31FF40C5EA8CE90BAF74FA9E9BD7A9ACA34C7048350C1E000000000E8000000002000020000000BD2D56D46506C12C41A6A70B10E79EE53CB79EF36FD2BA8CDD2460CB8F4BE86A300000009B5D1418CBF2EB49F3C4BD4C21D58CA55B82FA3D3ED08AF0EF59D6C7ECAFC1055FA323A80FF7C154B1C9B60253392B6640000000DED9FDCC168073324C3013F1BB125E066EB1A2F09FD2C8E7CC7A793AA992E21EF1C942BF7294D04E036428704009B863B1CB981B97312E2530E3E816780CF7C9 | |||
| (PID) Process: | (284) gunzipped.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | ProxyBypass |
Value: 1 | |||
| (PID) Process: | (284) gunzipped.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | IntranetName |
Value: 1 | |||
| (PID) Process: | (284) gunzipped.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 1 | |||
| (PID) Process: | (284) gunzipped.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 0 | |||
| (PID) Process: | (2176) iexpress.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies |
| Operation: | write | Name: | CachePrefix |
Value: Cookie: | |||
| (PID) Process: | (2176) iexpress.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History |
| Operation: | write | Name: | CachePrefix |
Value: Visited: | |||
| (PID) Process: | (2176) iexpress.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | ProxyBypass |
Value: 1 | |||
| (PID) Process: | (2176) iexpress.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | IntranetName |
Value: 1 | |||
| (PID) Process: | (2176) iexpress.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 1 | |||
Executable files
0
Suspicious files
0
Text files
0
Unknown types
0
Dropped files
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
2
TCP/UDP connections
8
DNS requests
3
Threats
1
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
2176 | iexpress.exe | GET | — | 45.33.6.223:80 | http://www.sqlite.org/2021/sqlite-dll-win32-x86-3350000.zip | unknown | — | — | unknown |
1944 | explorer.exe | GET | 200 | 199.59.243.225:80 | http://www.oasispoolsplus.com/b2ep/?HDpC=Pi5Fma2vmzgk1EQldaEiD30ANieeaBDUbdiBhfLv0UYNpRHaGh3/jgIKqJYA7HKTJtuA2AWjnJ33TkaM+skmXW1WUMuC/juHvX0Suh4=&amt=E7SdBOdfRsI | unknown | html | 1.37 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 |
|---|---|---|---|---|---|---|
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
324 | svchost.exe | 224.0.0.252:5355 | — | — | — | unknown |
1956 | svchost.exe | 239.255.255.250:1900 | — | — | — | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
1944 | explorer.exe | 199.59.243.225:80 | www.oasispoolsplus.com | AMAZON-02 | US | unknown |
2176 | iexpress.exe | 45.33.6.223:80 | www.sqlite.org | Linode, LLC | US | unknown |
DNS requests
Domain | IP | Reputation |
|---|---|---|
www.oasispoolsplus.com |
| unknown |
www.sqlite.org |
| whitelisted |
Threats
1 ETPRO signatures available at the full report