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| File name: | DFD.exe |
| Full analysis: | https://app.any.run/tasks/586f64d1-79e6-4874-818d-058326cf1097 |
| 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: | February 19, 2019, 13:46:52 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/x-dosexec |
| File info: | PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows |
| MD5: | E39C22E12A48A71B095BE728474CE4A9 |
| SHA1: | 8C2D3C06B730B141F0239A609AB9097463EFC759 |
| SHA256: | F8E46087ECAEA7AD36AC850E1C1A26D7DC0F28C267049F9C61A8F7EA237C67B7 |
| SSDEEP: | 6144:AxOqi3ZZOZ15ZKqGGdU2OPf7TBF6+sUqWJeWiwQ+JTFx9k0F8Wf9qPH39:AxOx3o1KBQU2OPfL6+siJM05x++l9Q |
MALICIOUS
FORMBOOK was detected
- explorer.exe (PID: 284)
Changes the autorun value in the registry
- mstsc.exe (PID: 2424)
Formbook was detected
- mstsc.exe (PID: 2424)
- Firefox.exe (PID: 2332)
Connects to CnC server
- explorer.exe (PID: 284)
Actions looks like stealing of personal data
- mstsc.exe (PID: 2424)
Stealing of credential data
- mstsc.exe (PID: 2424)
SUSPICIOUS
Creates files in the user directory
- explorer.exe (PID: 284)
- mstsc.exe (PID: 2424)
Starts CMD.EXE for commands execution
- mstsc.exe (PID: 2424)
Application launched itself
- DFD.exe (PID: 3128)
Reads Internet Cache Settings
- explorer.exe (PID: 284)
Executable content was dropped or overwritten
- explorer.exe (PID: 284)
- DllHost.exe (PID: 4008)
Loads DLL from Mozilla Firefox
- mstsc.exe (PID: 2424)
Creates files in the program directory
- DllHost.exe (PID: 4008)
INFO
Creates files in the user directory
- Firefox.exe (PID: 2332)
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: | 1999:11:19 00:23:11+01:00 |
| PEType: | PE32 |
| LinkerVersion: | 8 |
| CodeSize: | 366080 |
| InitializedDataSize: | 2560 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x5b5ae |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 19.13.16.2 |
| ProductVersionNumber: | 19.13.16.2 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Win32 |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | Neutral |
| CharacterSet: | Unicode |
| Comments: | icokorufupiqifuzul |
| CompanyName: | CENTRUL DE PRELUCRARI MECANICE BOCSA SRL |
| FileDescription: | Help Viewer |
| FileVersion: | 19.13.16.2 |
| InternalName: | DFD.exe |
| LegalCopyright: | Copyright © 2018 CENTRUL DE PRELUCRARI MECANICE BOCSA SRL |
| OriginalFileName: | DFD.exe |
| ProductName: | Help Viewer |
| ProductVersion: | 19.13.16.2 |
| AssemblyVersion: | 0.0.0.0 |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 18-Nov-1999 23:23:11 |
| Comments: | icokorufupiqifuzul |
| CompanyName: | CENTRUL DE PRELUCRARI MECANICE BOCSA SRL |
| FileDescription: | Help Viewer |
| FileVersion: | 19.13.16.2 |
| InternalName: | DFD.exe |
| LegalCopyright: | Copyright © 2018 CENTRUL DE PRELUCRARI MECANICE BOCSA SRL |
| OriginalFilename: | DFD.exe |
| ProductName: | Help Viewer |
| ProductVersion: | 19.13.16.2 |
| Assembly Version: | 0.0.0.0 |
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: | 0x00000080 |
PE Headers
| Signature: | PE |
|---|---|
| Machine: | IMAGE_FILE_MACHINE_I386 |
| Number of sections: | 3 |
| Time date stamp: | 18-Nov-1999 23:23:11 |
| 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 | 0x00002000 | 0x000595B4 | 0x00059600 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 7.92683 |
.rsrc | 0x0005C000 | 0x00000640 | 0x00000800 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 4.70384 |
.reloc | 0x0005E000 | 0x0000000C | 0x00000200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ | 0.0980042 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 5.00112 | 490 | Latin 1 / Western European | UNKNOWN | RT_MANIFEST |
Imports
mscoree.dll |
Total processes
40
Monitored processes
9
Malicious processes
3
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process |
|---|---|---|---|---|
| 3128 | "C:\Users\admin\AppData\Roaming\DFD.exe" | C:\Users\admin\AppData\Roaming\DFD.exe | — | explorer.exe |
User: admin Company: CENTRUL DE PRELUCRARI MECANICE BOCSA SRL Integrity Level: MEDIUM Description: Help Viewer Exit code: 0 Version: 19.13.16.2 | ||||
| 4064 | C:\Windows\system32\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503} | C:\Windows\system32\DllHost.exe | — | svchost.exe |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: COM Surrogate Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) | ||||
| 3696 | C:\Users\admin\AppData\Roaming\DFD.exe | C:\Users\admin\AppData\Roaming\DFD.exe | — | DFD.exe |
User: admin Company: CENTRUL DE PRELUCRARI MECANICE BOCSA SRL Integrity Level: MEDIUM Description: Help Viewer Exit code: 0 Version: 19.13.16.2 | ||||
| 2424 | "C:\Windows\System32\mstsc.exe" | C:\Windows\System32\mstsc.exe | explorer.exe | |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Remote Desktop Connection Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) | ||||
| 3460 | /c del "C:\Users\admin\AppData\Roaming\DFD.exe" | C:\Windows\System32\cmd.exe | — | mstsc.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) | ||||
| 284 | 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) | ||||
| 2332 | "C:\Program Files\Mozilla Firefox\Firefox.exe" | C:\Program Files\Mozilla Firefox\Firefox.exe | mstsc.exe | |
User: admin Company: Mozilla Corporation Integrity Level: MEDIUM Description: Firefox Exit code: 0 Version: 61.0.2 | ||||
| 4008 | C:\Windows\system32\DllHost.exe /Processid:{3AD05575-8857-4850-9277-11B85BDB8E09} | C:\Windows\system32\DllHost.exe | svchost.exe | |
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: COM Surrogate Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) | ||||
| 2644 | "C:\Program Files\Ybxl\chkdsktxo0m0.exe" | C:\Program Files\Ybxl\chkdsktxo0m0.exe | — | explorer.exe |
User: admin Company: CENTRUL DE PRELUCRARI MECANICE BOCSA SRL Integrity Level: MEDIUM Description: Help Viewer Version: 19.13.16.2 | ||||
Total events
203
Read events
179
Write events
22
Delete events
2
Modification events
| (PID) Process: | (284) explorer.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Shell Extensions\Cached |
| Operation: | write | Name: | {FFE2A43C-56B9-4BF5-9A79-CC6D4285608A} {000214E4-0000-0000-C000-000000000046} 0xFFFF |
Value: 0100000000000000D01DF7A459C8D401 | |||
| (PID) Process: | (284) explorer.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Direct3D\MostRecentApplication |
| Operation: | write | Name: | Name |
Value: Explorer.EXE | |||
| (PID) Process: | (284) explorer.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\5F\52C64B7E |
| Operation: | write | Name: | LanguageList |
Value: en-US | |||
| (PID) Process: | (284) explorer.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\5F\52C64B7E |
| Operation: | write | Name: | @C:\Program Files\Windows Photo Viewer\photoviewer.dll,-3043 |
Value: Pre&view | |||
| (PID) Process: | (284) explorer.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Shell Extensions\Cached |
| Operation: | write | Name: | {FFE2A43C-56B9-4BF5-9A79-CC6D4285608A} {00000122-0000-0000-C000-000000000046} 0xFFFF |
Value: 0100000000000000D8CC26A559C8D401 | |||
| (PID) Process: | — | Key: | HKEY_CURRENT_USER\Software\Microsoft\Direct3D\MostRecentApplication |
| Operation: | write | Name: | Name |
Value: DllHost.exe | |||
| (PID) Process: | (284) explorer.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.jpg\OpenWithList |
| Operation: | write | Name: | a |
Value: DllHost.exe | |||
| (PID) Process: | (284) explorer.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.jpg\OpenWithList |
| Operation: | write | Name: | MRUList |
Value: a | |||
| (PID) Process: | (284) explorer.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\RecentDocs |
| Operation: | write | Name: | 3 |
Value: 73006900780073006100740065006C006C006900740065002E006A007000670000008600320000000000000000000000736978736174656C6C6974652E6A7067202832292E6C6E6B00005E0008000400EFBE00000000000000002A0000000000000000000000000000000000000000000000000073006900780073006100740065006C006C006900740065002E006A007000670020002800320029002E006C006E006B00000028000000 | |||
| (PID) Process: | (284) explorer.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\RecentDocs\.jpg |
| Operation: | write | Name: | 0 |
Value: 73006900780073006100740065006C006C006900740065002E006A007000670000008600320000000000000000000000736978736174656C6C6974652E6A7067202832292E6C6E6B00005E0008000400EFBE00000000000000002A0000000000000000000000000000000000000000000000000073006900780073006100740065006C006C006900740065002E006A007000670020002800320029002E006C006E006B00000028000000 | |||
Executable files
2
Suspicious files
72
Text files
1
Unknown types
3
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 284 | explorer.exe | C:\Users\admin\AppData\Local\Microsoft\Windows\History\History.IE5\MSHist012019021920190220\index.dat | dat | |
MD5:9BF521C82374A886CE3320F3022B7CFE | SHA256:54DCEC1CF44F3ABAD7244DFF8C41BF6FA965EDC9EED3B66BDA4AE55EB7745A92 | |||
| 2424 | mstsc.exe | C:\Users\admin\AppData\Roaming\JP36QR05\JP3logrc.ini | binary | |
MD5:2855A82ECDD565B4D957EC2EE05AED26 | SHA256:88E38DA5B12DD96AFD9DC90C79929EC31D8604B1AFDEBDD5A02B19249C08C939 | |||
| 284 | explorer.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\AutomaticDestinations\1b4dd67f29cb1962.automaticDestinations-ms | automaticdestinations-ms | |
MD5:ED535F59E419C6BECB910928D27D7D35 | SHA256:E5A6EB3EC3672F751F0AD244BB121A2A354EEDF7FFA964266844F234803389F6 | |||
| 284 | explorer.exe | C:\Users\admin\AppData\Local\Temp\Ybxl\chkdsktxo0m0.exe | executable | |
MD5:E39C22E12A48A71B095BE728474CE4A9 | SHA256:F8E46087ECAEA7AD36AC850E1C1A26D7DC0F28C267049F9C61A8F7EA237C67B7 | |||
| 284 | explorer.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\sixsatellite.jpg (2).lnk | lnk | |
MD5:C95E505439A7C3EBBEF85E6EA42CA82C | SHA256:8F0C82E1F41C7E682DF17390868DEEB698CCD2BFBA4E3AC2F0D3B049829DFF3C | |||
| 2332 | Firefox.exe | C:\Users\admin\AppData\Roaming\JP36QR05\JP3logrf.ini | binary | |
MD5:53028481B5B5795F1501241CCC7ABFF6 | SHA256:75B5F3045E20C80F264568707E2D444DC7498DB119D9661AE51A91575960FC5A | |||
| 2424 | mstsc.exe | C:\Users\admin\AppData\Roaming\JP36QR05\JP3logim.jpeg | image | |
MD5:D3AE99BA473D47E795E195A6ABB84689 | SHA256:A1B60AA22CBAF0FBFEE4C2C61EFDA9BB7A5EF60C7EDA98088BD57C0F30FB81AA | |||
| 4008 | DllHost.exe | C:\Program Files\Ybxl\chkdsktxo0m0.exe | executable | |
MD5:E39C22E12A48A71B095BE728474CE4A9 | SHA256:F8E46087ECAEA7AD36AC850E1C1A26D7DC0F28C267049F9C61A8F7EA237C67B7 | |||
| 2424 | mstsc.exe | C:\Users\admin\AppData\Roaming\JP36QR05\JP3logri.ini | binary | |
MD5:D63A82E5D81E02E399090AF26DB0B9CB | SHA256:EAECE2EBA6310253249603033C744DD5914089B0BB26BDE6685EC9813611BAAE | |||
| 2424 | mstsc.exe | C:\Users\admin\AppData\Roaming\JP36QR05\JP3logrv.ini | binary | |
MD5:BA3B6BC807D4F76794C4B81B09BB9BA5 | SHA256:6EEBF968962745B2E9DE2CA969AF7C424916D4E3FE3CC0BB9B3D414ABFCE9507 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
1
TCP/UDP connections
1
DNS requests
4
Threats
0
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
— | — | GET | 404 | 142.91.222.221:80 | http://www.lygfpj.com/dv7/?mz7xU=06+1YC6Y62HRGDN5Au9xA9jYOEffCM4XQK3u+MdFAOfGEauXNSBDxrbWwqHpOkPudRNKkg==&Un0=9rj8zR5hUB7LxJ00 | US | xml | 345 b | malicious |
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
284 | explorer.exe | 142.91.222.221:80 | www.lygfpj.com | Nobis Technology Group, LLC | US | malicious |
DNS requests
Domain | IP | Reputation |
|---|---|---|
www.jazzplease.com |
| unknown |
www.obow.ltd |
| unknown |
www.buyinfomovie.info |
| unknown |
www.lygfpj.com |
| malicious |
Threats
PID | Process | Class | Message |
|---|---|---|---|
284 | explorer.exe | A Network Trojan was detected | MALWARE [PTsecurity] FormBook CnC Checkin (GET) |
— | — | A Network Trojan was detected | MALWARE [PTsecurity] FormBook CnC Checkin (GET) |
2 ETPRO signatures available at the full report