| File name: | formbook.exe |
| Full analysis: | https://app.any.run/tasks/690d92cf-adbd-4b1b-8175-7a5680fd16e6 |
| 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: | January 14, 2019, 15:55:10 |
| 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: | D8B1ED79D12256599B8D8C8EC72DD741 |
| SHA1: | 2349937EF5863D84EBE3CC72575AA814E90DA644 |
| SHA256: | 56E449EE2C59E04D07F3340ED7B5F851E1B1314CDB3D0650F33A2B211DFC07D6 |
| SSDEEP: | 6144:cKcjNLuvnePo9RrH6FgBaZZtG7j/0iFs2eiMcMwDIbsgvQDllNYcPZ+bzWnvMVpo:cZNmnemOFgBaXo7jbe7ct0YkQDlSo |
MALICIOUS
FORMBOOK was detected
- explorer.exe (PID: 2028)
Writes to a start menu file
- formbook.exe (PID: 3088)
- h0ed24ani.exe (PID: 3536)
Changes the autorun value in the registry
- wininit.exe (PID: 1428)
Actions looks like stealing of personal data
- wininit.exe (PID: 1428)
Connects to CnC server
- explorer.exe (PID: 2028)
Formbook was detected
- wininit.exe (PID: 1428)
- Firefox.exe (PID: 3020)
Stealing of credential data
- wininit.exe (PID: 1428)
SUSPICIOUS
Application launched itself
- formbook.exe (PID: 3088)
- h0ed24ani.exe (PID: 3536)
Creates files in the user directory
- formbook.exe (PID: 3088)
- wininit.exe (PID: 1428)
Executable content was dropped or overwritten
- formbook.exe (PID: 3088)
- explorer.exe (PID: 2028)
- DllHost.exe (PID: 3048)
- h0ed24ani.exe (PID: 3536)
Starts CMD.EXE for commands execution
- wininit.exe (PID: 1428)
Loads DLL from Mozilla Firefox
- wininit.exe (PID: 1428)
Creates files in the program directory
- DllHost.exe (PID: 3048)
Uses IPCONFIG.EXE to discover IP address
- explorer.exe (PID: 2028)
INFO
Creates files in the user directory
- Firefox.exe (PID: 3020)
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) (42.2) |
|---|---|---|
| .exe | | | Win64 Executable (generic) (37.3) |
| .dll | | | Win32 Dynamic Link Library (generic) (8.8) |
| .exe | | | Win32 Executable (generic) (6) |
| .exe | | | Generic Win/DOS Executable (2.7) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2019:01:13 02:43:51+01:00 |
| PEType: | PE32 |
| LinkerVersion: | 9 |
| CodeSize: | 77312 |
| InitializedDataSize: | 409088 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x3a4e |
| OSVersion: | 5 |
| ImageVersion: | - |
| SubsystemVersion: | 5 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 8.7.1.0 |
| ProductVersionNumber: | 8.7.1.0 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Win32 |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | Neutral |
| CharacterSet: | Unicode |
| Comments: | ill-breathed |
| CompanyName: | rigwoodie |
| FileDescription: | polymerous |
| FileVersion: | 8.7.1.0 |
| InternalName: | poon.exe |
| LegalCopyright: | re-expand |
| LegalTrademarks: | propugnacled |
| OriginalFileName: | poon.exe |
| ProductName: | parasang |
| ProductVersion: | 8.7.1.0 |
| AssemblyVersion: | 6.6.5.8 |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 13-Jan-2019 01:43:51 |
| Detected languages: |
|
| Comments: | ill-breathed |
| CompanyName: | rigwoodie |
| FileDescription: | polymerous |
| FileVersion: | 8.7.1.0 |
| InternalName: | poon.exe |
| LegalCopyright: | re-expand |
| LegalTrademarks: | propugnacled |
| OriginalFilename: | poon.exe |
| ProductName: | parasang |
| ProductVersion: | 8.7.1.0 |
| Assembly Version: | 6.6.5.8 |
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: | 0x000000E0 |
PE Headers
| Signature: | PE |
|---|---|
| Machine: | IMAGE_FILE_MACHINE_I386 |
| Number of sections: | 5 |
| Time date stamp: | 13-Jan-2019 01:43:51 |
| 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 | 0x00012C58 | 0x00012E00 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 6.62079 |
.rdata | 0x00014000 | 0x0000219C | 0x00002200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 5.47296 |
.data | 0x00017000 | 0x0000A808 | 0x00008800 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 6.11723 |
.rsrc | 0x00022000 | 0x00057B4A | 0x00057C00 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 6.82691 |
.reloc | 0x0007A000 | 0x0000161A | 0x00001800 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ | 5.08588 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 4.79597 | 346 | Latin 1 / Western European | English - United States | RT_MANIFEST |
2 | 3.86262 | 67624 | Latin 1 / Western European | UNKNOWN | RT_ICON |
3 | 4.51278 | 38056 | Latin 1 / Western European | UNKNOWN | RT_ICON |
4 | 4.47434 | 21640 | Latin 1 / Western European | UNKNOWN | RT_ICON |
5 | 4.18535 | 16936 | Latin 1 / Western European | UNKNOWN | RT_ICON |
6 | 4.81508 | 9640 | Latin 1 / Western European | UNKNOWN | RT_ICON |
7 | 4.74875 | 4264 | Latin 1 / Western European | UNKNOWN | RT_ICON |
8 | 5.36475 | 2440 | Latin 1 / Western European | UNKNOWN | RT_ICON |
9 | 5.53781 | 1128 | Latin 1 / Western European | UNKNOWN | RT_ICON |
DNO | 4.50386 | 178 | Latin 1 / Western European | UNKNOWN | HCBKRQ |
Imports
KERNEL32.dll |
Total processes
41
Monitored processes
10
Malicious processes
3
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1348 | /c del "C:\Users\admin\AppData\Local\Temp\formbook.exe" | C:\Windows\System32\cmd.exe | — | wininit.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) Modules
| |||||||||||||||
| 1428 | "C:\Windows\System32\wininit.exe" | C:\Windows\System32\wininit.exe | explorer.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Start-Up Application Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2028 | 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
| |||||||||||||||
| 2368 | "C:\Windows\System32\ipconfig.exe" | C:\Windows\System32\ipconfig.exe | — | explorer.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: IP Configuration Utility Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) | |||||||||||||||
| 3020 | "C:\Program Files\Mozilla Firefox\Firefox.exe" | C:\Program Files\Mozilla Firefox\Firefox.exe | wininit.exe | ||||||||||||
User: admin Company: Mozilla Corporation Integrity Level: MEDIUM Description: Firefox Exit code: 0 Version: 61.0.2 Modules
| |||||||||||||||
| 3048 | 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) Modules
| |||||||||||||||
| 3088 | "C:\Users\admin\AppData\Local\Temp\formbook.exe" | C:\Users\admin\AppData\Local\Temp\formbook.exe | explorer.exe | ||||||||||||
User: admin Company: rigwoodie Integrity Level: MEDIUM Description: polymerous Exit code: 1 Version: 8.7.1.0 Modules
| |||||||||||||||
| 3536 | "C:\Program Files\Tezotrtb\h0ed24ani.exe" | C:\Program Files\Tezotrtb\h0ed24ani.exe | explorer.exe | ||||||||||||
User: admin Company: rigwoodie Integrity Level: MEDIUM Description: polymerous Exit code: 1 Version: 8.7.1.0 Modules
| |||||||||||||||
| 3788 | "C:\Users\admin\AppData\Local\Temp\formbook.exe" | C:\Users\admin\AppData\Local\Temp\formbook.exe | — | formbook.exe | |||||||||||
User: admin Company: rigwoodie Integrity Level: MEDIUM Description: polymerous Exit code: 0 Version: 8.7.1.0 Modules
| |||||||||||||||
| 3972 | "C:\Program Files\Tezotrtb\h0ed24ani.exe" | C:\Program Files\Tezotrtb\h0ed24ani.exe | — | h0ed24ani.exe | |||||||||||
User: admin Company: rigwoodie Integrity Level: MEDIUM Description: polymerous Exit code: 0 Version: 8.7.1.0 Modules
| |||||||||||||||
Total events
1 738
Read events
1 737
Write events
1
Delete events
0
Modification events
| (PID) Process: | (1428) wininit.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run |
| Operation: | write | Name: | XPJ8CBCP |
Value: C:\Program Files\Tezotrtb\h0ed24ani.exe | |||
Executable files
4
Suspicious files
73
Text files
3
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 3088 | formbook.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\dwlbmdmixkrypga.eu.url | ini | |
MD5:— | SHA256:— | |||
| 1428 | wininit.exe | C:\Users\admin\AppData\Roaming\8Q403CQE\8Q4logim.jpeg | image | |
MD5:— | SHA256:— | |||
| 2028 | explorer.exe | C:\Users\admin\AppData\Local\Temp\Tezotrtb\h0ed24ani.exe | executable | |
MD5:— | SHA256:— | |||
| 3020 | Firefox.exe | C:\Users\admin\AppData\Roaming\8Q403CQE\8Q4logrf.ini | binary | |
MD5:— | SHA256:— | |||
| 3536 | h0ed24ani.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\dwlbmdmixkrypga.eu.url | ini | |
MD5:— | SHA256:— | |||
| 3048 | DllHost.exe | C:\Program Files\Tezotrtb\h0ed24ani.exe | executable | |
MD5:— | SHA256:— | |||
| 1428 | wininit.exe | C:\Users\admin\AppData\Roaming\8Q403CQE\8Q4logrc.ini | binary | |
MD5:— | SHA256:— | |||
| 3088 | formbook.exe | C:\Users\admin\AppData\Roaming\hkfjvvkaqz\dwlbmdmixkrypga.exe | executable | |
MD5:— | SHA256:— | |||
| 3536 | h0ed24ani.exe | C:\Users\admin\AppData\Roaming\hkfjvvkaqz\dwlbmdmixkrypga.exe | executable | |
MD5:— | SHA256:— | |||
| 1428 | wininit.exe | C:\Users\admin\AppData\Roaming\8Q403CQE\8Q4logrv.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
7
Threats
3
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
2028 | explorer.exe | GET | — | 207.148.248.143:80 | http://www.chicdecorator.com/nu/?Tj=26L9kAEipZzmAEj/sReT1Q6VeMZoQrQM1xjGnUSd4qzH2EoI8HsR9iG5XpdBCXBaFvzXrg==&SXo=cncLCp8pALTt | US | — | — | malicious |
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
2028 | explorer.exe | 207.148.248.143:80 | www.chicdecorator.com | The Endurance International Group, Inc. | US | malicious |
DNS requests
Domain | IP | Reputation |
|---|---|---|
www.arbcxd.win |
| unknown |
www.chicdecorator.com |
| malicious |
www.xn--ppx.biz |
| unknown |
www.cdn-network12-server1.biz |
| unknown |
Threats
PID | Process | Class | Message |
|---|---|---|---|
2028 | explorer.exe | A Network Trojan was detected | SC TROJAN_DOWNLOADER Suspicious HTTP-GET request with body and minimal header |
2028 | explorer.exe | A Network Trojan was detected | MALWARE [PTsecurity] FormBook CnC Checkin (GET) |
1 ETPRO signatures available at the full report