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| File name: | 한석 이엔지.exe |
| Full analysis: | https://app.any.run/tasks/f7ab1ddf-a8d7-4045-bedb-0be32808d66a |
| 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: | March 31, 2020, 06:59:27 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/x-dosexec |
| File info: | PE32 executable (GUI) Intel 80386, for MS Windows |
| MD5: | EDDBB508D2F1B0C360692EC48297E0A5 |
| SHA1: | 437C02A96E258AD5186308B7249AD99479EDB00A |
| SHA256: | E0181F67766B1A6B48754EB6D8F0DEC32C0A0C6B3A1AD5E7D6CCFBF47D73F82B |
| SSDEEP: | 768:H2tIu9L0CWpq+7HMnSMYjGY3wNzRlkDScNdQZPwoRJJrG8wFXQZdAI:HhupWE+itMGY3KHk2cNdQZPTjwFXxI |
MALICIOUS
Changes the autorun value in the registry
- filename1.exe (PID: 2344)
- 한석 이엔지.exe (PID: 3756)
- taskhost.exe (PID: 4064)
FORMBOOK was detected
- taskhost.exe (PID: 4064)
- explorer.exe (PID: 372)
Connects to CnC server
- explorer.exe (PID: 372)
Actions looks like stealing of personal data
- taskhost.exe (PID: 4064)
Stealing of credential data
- taskhost.exe (PID: 4064)
Changes settings of System certificates
- filename1.exe (PID: 3976)
SUSPICIOUS
Application launched itself
- filename1.exe (PID: 2344)
- 한석 이엔지.exe (PID: 3756)
Executable content was dropped or overwritten
- 한석 이엔지.exe (PID: 3720)
Reads Internet Cache Settings
- filename1.exe (PID: 3976)
Creates files in the user directory
- filename1.exe (PID: 3976)
- taskhost.exe (PID: 4064)
Starts CMD.EXE for commands execution
- taskhost.exe (PID: 4064)
Loads DLL from Mozilla Firefox
- taskhost.exe (PID: 4064)
Adds / modifies Windows certificates
- filename1.exe (PID: 3976)
INFO
Manual execution by user
- taskhost.exe (PID: 4064)
Reads settings of System Certificates
- filename1.exe (PID: 3976)
Reads the hosts file
- taskhost.exe (PID: 4064)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | Win32 Executable Microsoft Visual Basic 6 (84.4) |
|---|---|---|
| .dll | | | Win32 Dynamic Link Library (generic) (6.7) |
| .exe | | | Win32 Executable (generic) (4.6) |
| .exe | | | Generic Win/DOS Executable (2) |
| .exe | | | DOS Executable Generic (2) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2008:01:14 05:53:28+01:00 |
| PEType: | PE32 |
| LinkerVersion: | 6 |
| CodeSize: | 90112 |
| InitializedDataSize: | 8192 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x1318 |
| 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 |
| Comments: | WONDerware |
| CompanyName: | WONDerware |
| FileDescription: | stimulati |
| ProductName: | FIRSP |
| FileVersion: | 1 |
| ProductVersion: | 1 |
| InternalName: | Backb3 |
| OriginalFileName: | Backb3.exe |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 14-Jan-2008 04:53:28 |
| Detected languages: |
|
| Comments: | WONDerware |
| CompanyName: | WONDerware |
| FileDescription: | stimulati |
| ProductName: | FIRSP |
| FileVersion: | 1.00 |
| ProductVersion: | 1.00 |
| InternalName: | Backb3 |
| OriginalFilename: | Backb3.exe |
DOS Header
| Magic number: | MZ |
|---|---|
| Bytes on last page of file: | 0x0090 |
| Pages in file: | 0x0003 |
| Relocations: | 0x0000 |
| Size of header: | 0x0004 |
| Min extra paragraphs: | 0x0000 |
| Max extra paragraphs: | 0xFFFF |
| Initial SS value: | 0x0000 |
| Initial SP value: | 0x00B8 |
| Checksum: | 0x0000 |
| Initial IP value: | 0x0000 |
| Initial CS value: | 0x0000 |
| Overlay number: | 0x0000 |
| OEM identifier: | 0x0000 |
| OEM information: | 0x0000 |
| Address of NE header: | 0x000000C8 |
PE Headers
| Signature: | PE |
|---|---|
| Machine: | IMAGE_FILE_MACHINE_I386 |
| Number of sections: | 3 |
| Time date stamp: | 14-Jan-2008 04:53:28 |
| Pointer to Symbol Table: | 0x00000000 |
| Number of symbols: | 0 |
| Size of Optional Header: | 0x00E0 |
| Characteristics: |
|
Sections
Name | Virtual Address | Virtual Size | Raw Size | Charateristics | Entropy |
|---|---|---|---|---|---|
.text | 0x00001000 | 0x000156E4 | 0x00016000 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 4.78291 |
.data | 0x00017000 | 0x00000B90 | 0x00001000 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 0 |
.rsrc | 0x00018000 | 0x00000938 | 0x00001000 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 2.04646 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 3.20165 | 632 | Unicode (UTF 16LE) | English - United States | RT_VERSION |
30001 | 2.57965 | 304 | Unicode (UTF 16LE) | UNKNOWN | RT_ICON |
30002 | 1.76987 | 744 | Unicode (UTF 16LE) | UNKNOWN | RT_ICON |
30003 | 2.07177 | 296 | Unicode (UTF 16LE) | UNKNOWN | RT_ICON |
Imports
MSVBVM60.DLL |
Total processes
40
Monitored processes
7
Malicious processes
6
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process |
|---|---|---|---|---|
| 3756 | "C:\Users\admin\AppData\Local\Temp\한석 이엔지.exe" | C:\Users\admin\AppData\Local\Temp\한석 이엔지.exe | explorer.exe | |
User: admin Company: WONDerware Integrity Level: MEDIUM Description: stimulati Exit code: 0 Version: 1.00 | ||||
| 3720 | "C:\Users\admin\AppData\Local\Temp\한석 이엔지.exe" | C:\Users\admin\AppData\Local\Temp\한석 이엔지.exe | 한석 이엔지.exe | |
User: admin Company: WONDerware Integrity Level: MEDIUM Description: stimulati Exit code: 0 Version: 1.00 | ||||
| 2344 | "C:\Users\admin\subfolder1\filename1.exe" | C:\Users\admin\subfolder1\filename1.exe | 한석 이엔지.exe | |
User: admin Company: WONDerware Integrity Level: MEDIUM Description: stimulati Exit code: 0 Version: 1.00 | ||||
| 3976 | "C:\Users\admin\subfolder1\filename1.exe" | C:\Users\admin\subfolder1\filename1.exe | filename1.exe | |
User: admin Company: WONDerware Integrity Level: MEDIUM Description: stimulati Exit code: 0 Version: 1.00 | ||||
| 4064 | "C:\Windows\System32\taskhost.exe" | C:\Windows\System32\taskhost.exe | explorer.exe | |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Host Process for Windows Tasks Version: 6.1.7600.16385 (win7_rtm.090713-1255) | ||||
| 3612 | /c del "C:\Users\admin\subfolder1\filename1.exe" | C:\Windows\System32\cmd.exe | — | taskhost.exe |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Command Processor Exit code: 0 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) | ||||
| 372 | C:\Windows\Explorer.EXE | C:\Windows\explorer.exe | — | |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Explorer Version: 6.1.7600.16385 (win7_rtm.090713-1255) | ||||
Total events
3 951
Read events
377
Write events
0
Delete events
0
Modification events
Executable files
1
Suspicious files
71
Text files
3
Unknown types
2
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 3976 | filename1.exe | C:\Users\admin\AppData\Local\Temp\CabA679.tmp | — | |
MD5:— | SHA256:— | |||
| 3976 | filename1.exe | C:\Users\admin\AppData\Local\Temp\TarA67A.tmp | — | |
MD5:— | SHA256:— | |||
| 3976 | filename1.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\6BADA8974A10C4BD62CC921D13E43B18_D9817BD5013875AD517DA73475345203 | der | |
MD5:BD3E6667B327AA6EDA3166F5A4F44E98 | SHA256:2FB2FC82FB248AC8004656690111F59B3E6A9A97104841F5F2D8FCCE2ECB4B6C | |||
| 3976 | filename1.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Cookies\AL4IOH5R.txt | text | |
MD5:A93970CFA4040E060043E02CAD354798 | SHA256:FE88AE68047E4E307FBE9646B5C98112DA0A0E685783B8C631C4773164EF3A3F | |||
| 3976 | filename1.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\6BADA8974A10C4BD62CC921D13E43B18_C9FB72B5AE80778A08024D8B0FDECC6F | binary | |
MD5:083F05E9422C81D0CAEE63EC24621D8E | SHA256:0053D414EAA105CE4814D6D8D31536A99D621B55834F4905A94D1FB89D4E9026 | |||
| 4064 | taskhost.exe | C:\Users\admin\AppData\Roaming\LKA23647\LKAlogrc.ini | binary | |
MD5:2855A82ECDD565B4D957EC2EE05AED26 | SHA256:88E38DA5B12DD96AFD9DC90C79929EC31D8604B1AFDEBDD5A02B19249C08C939 | |||
| 3976 | filename1.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\6BADA8974A10C4BD62CC921D13E43B18_D9817BD5013875AD517DA73475345203 | binary | |
MD5:E53C4A3CA5ED1211B588BA613212D7A0 | SHA256:F706711B40A807DF46B27C3884EA43C397F69DCA6F36BDF20324D69A4ED0214E | |||
| 3976 | filename1.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\6BADA8974A10C4BD62CC921D13E43B18_C9FB72B5AE80778A08024D8B0FDECC6F | der | |
MD5:7EDFA95BE4ED2446834630176880B200 | SHA256:72BC58B52F64AB4CEE37C8E60435B66B3944567AF08DBF69DCC93DC0C43EF523 | |||
| 3720 | 한석 이엔지.exe | C:\Users\admin\subfolder1\filename1.vbs | text | |
MD5:FD0F0DF4863066534A70D7A57BA5FE07 | SHA256:4AA3732E035B8C54983E0F82290C680856212E620A6A36A22B550004EA60CD63 | |||
| 4064 | taskhost.exe | C:\Users\admin\AppData\Roaming\LKA23647\LKAlogim.jpeg | image | |
MD5:DEE28ACADFFDEC14538203CBD0F8F4B0 | SHA256:396EC7B04C26871D07C820D9C259E8810587CEA2A0E95E19290A933D1325CF25 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
3
TCP/UDP connections
4
DNS requests
4
Threats
0
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
372 | explorer.exe | GET | — | 206.189.40.183:80 | http://www.pakerp.com/sa22/?EzLTrT=Ebhnt7oLtFKEynER6R4K3CQEqU9rik0dVpQBB5wGWrA6UkNVqqqQn8ARnYw5LTDobKwQ2g==&FBch=0nz4ANsPzzSh-JNp | US | — | — | malicious |
3976 | filename1.exe | GET | 200 | 93.184.220.29:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTBL0V27RVZ7LBduom%2FnYB45SPUEwQU5Z1ZMIJHWMys%2BghUNoZ7OrUETfACEA8sEMlbBsCTf7jUSfg%2BhWk%3D | US | der | 1.47 Kb | whitelisted |
3976 | filename1.exe | GET | 200 | 93.184.220.29:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTBL0V27RVZ7LBduom%2FnYB45SPUEwQU5Z1ZMIJHWMys%2BghUNoZ7OrUETfACEAtqs7A%2Bsan2xGCSaqjN%2FrM%3D | US | der | 1.47 Kb | whitelisted |
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
3976 | filename1.exe | 93.184.220.29:80 | ocsp.digicert.com | MCI Communications Services, Inc. d/b/a Verizon Business | US | whitelisted |
3976 | filename1.exe | 13.107.42.12:443 | hmhxvw.dm.files.1drv.com | Microsoft Corporation | US | suspicious |
3976 | filename1.exe | 13.107.42.13:443 | onedrive.live.com | Microsoft Corporation | US | malicious |
372 | explorer.exe | 206.189.40.183:80 | www.pakerp.com | — | US | malicious |
DNS requests
Domain | IP | Reputation |
|---|---|---|
onedrive.live.com |
| shared |
ocsp.digicert.com |
| whitelisted |
hmhxvw.dm.files.1drv.com |
| whitelisted |
www.pakerp.com |
| malicious |
Threats
PID | Process | Class | Message |
|---|---|---|---|
372 | explorer.exe | Generic Protocol Command Decode | SURICATA HTTP Unexpected Request body |
372 | explorer.exe | A Network Trojan was detected | SPYWARE [PTsecurity] FormBook |
1 ETPRO signatures available at the full report