| File name: | b |
| Full analysis: | https://app.any.run/tasks/0d4d5482-866f-41e9-88e6-383bc4f00b75 |
| 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: | June 12, 2019, 10:04:48 |
| 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: | 32F08757CEF686EAF40323CC0452E18B |
| SHA1: | 6718A10DB0D81B1A2369A59529FBB481406F37A5 |
| SHA256: | B633527465F71B28F1E9B6D2A807C4653E1A99C9E7E75A5701FF1E7437572EDF |
| SSDEEP: | 3072:EdLFD9P4Ecigf2kplkPw7JSL378iig2oyD9Amr33jhn3ZWSd+:IDGr2kaw7JzyVyD9AmD3Fn3ZWSd |
MALICIOUS
Connects to CnC server
- explorer.exe (PID: 252)
FORMBOOK was detected
- explorer.exe (PID: 252)
Changes the autorun value in the registry
- wuauclt.exe (PID: 3636)
Actions looks like stealing of personal data
- wuauclt.exe (PID: 3636)
Formbook was detected
- Firefox.exe (PID: 2308)
- wuauclt.exe (PID: 3636)
Stealing of credential data
- wuauclt.exe (PID: 3636)
SUSPICIOUS
Starts CMD.EXE for commands execution
- wuauclt.exe (PID: 3636)
Creates files in the user directory
- wuauclt.exe (PID: 3636)
Loads DLL from Mozilla Firefox
- wuauclt.exe (PID: 3636)
INFO
Manual execution by user
- wuauclt.exe (PID: 3636)
Creates files in the user directory
- Firefox.exe (PID: 2308)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | DOS Executable Generic (100) |
|---|
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2000:08:04 09:30:56+02:00 |
| PEType: | PE32 |
| LinkerVersion: | 10 |
| CodeSize: | 167424 |
| InitializedDataSize: | - |
| UninitializedDataSize: | - |
| EntryPoint: | 0x1b6e0 |
| OSVersion: | 5.1 |
| ImageVersion: | - |
| SubsystemVersion: | 5.1 |
| Subsystem: | Windows GUI |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 04-Aug-2000 07:30:56 |
DOS Header
| Magic number: | MZ |
|---|---|
| Bytes on last page of file: | 0x5245 |
| Pages in file: | 0x00E8 |
| Relocations: | 0x0000 |
| Size of header: | 0x5800 |
| Min extra paragraphs: | 0xE883 |
| Max extra paragraphs: | 0x8B09 |
| Initial SS value: | 0x83C8 |
| Initial SP value: | 0x3CC0 |
| Checksum: | 0x008B |
| Initial IP value: | 0xC103 |
| Initial CS value: | 0xC083 |
| Overlay number: | 0xFF08 |
| OEM identifier: | 0x0000 |
| OEM information: | 0x0000 |
| Address of NE header: | 0x000000C0 |
PE Headers
| Signature: | PE |
|---|---|
| Machine: | IMAGE_FILE_MACHINE_I386 |
| Number of sections: | 1 |
| Time date stamp: | 04-Aug-2000 07:30:56 |
| 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 | 0x00028C84 | 0x00028E00 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 7.41961 |
Total processes
37
Monitored processes
5
Malicious processes
3
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 252 | C:\Windows\Explorer.EXE | C:\Windows\explorer.exe | ctfmon.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
| |||||||||||||||
| 2308 | "C:\Program Files\Mozilla Firefox\Firefox.exe" | C:\Program Files\Mozilla Firefox\Firefox.exe | wuauclt.exe | ||||||||||||
User: admin Company: Mozilla Corporation Integrity Level: MEDIUM Description: Firefox Exit code: 0 Version: 65.0.2 Modules
| |||||||||||||||
| 2376 | /c del "C:\Users\admin\AppData\Local\Temp\b.exe" | C:\Windows\System32\cmd.exe | — | wuauclt.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
| |||||||||||||||
| 2968 | "C:\Users\admin\AppData\Local\Temp\b.exe" | C:\Users\admin\AppData\Local\Temp\b.exe | — | explorer.exe | |||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
| |||||||||||||||
| 3636 | "C:\Windows\System32\wuauclt.exe" | C:\Windows\System32\wuauclt.exe | explorer.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Update Exit code: 0 Version: 7.5.7601.17514 (win7sp1_rtm.101119-1850) Modules
| |||||||||||||||
Total events
21
Read events
20
Write events
1
Delete events
0
Modification events
| (PID) Process: | (3636) wuauclt.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run |
| Operation: | write | Name: | XRIH52TH |
Value: C:\Program Files\Zehd4_r\userftl0wnn.exe | |||
Executable files
0
Suspicious files
73
Text files
1
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 3636 | wuauclt.exe | C:\Users\admin\AppData\Roaming\JNN8521E\JNNlogrc.ini | binary | |
MD5:— | SHA256:— | |||
| 3636 | wuauclt.exe | C:\Users\admin\AppData\Roaming\JNN8521E\JNNlogri.ini | binary | |
MD5:D63A82E5D81E02E399090AF26DB0B9CB | SHA256:EAECE2EBA6310253249603033C744DD5914089B0BB26BDE6685EC9813611BAAE | |||
| 3636 | wuauclt.exe | C:\Users\admin\AppData\Roaming\JNN8521E\JNNlogim.jpeg | image | |
MD5:— | SHA256:— | |||
| 2308 | Firefox.exe | C:\Users\admin\AppData\Roaming\JNN8521E\JNNlogrf.ini | binary | |
MD5:— | SHA256:— | |||
| 3636 | wuauclt.exe | C:\Users\admin\AppData\Roaming\JNN8521E\JNNlogrv.ini | binary | |
MD5:BA3B6BC807D4F76794C4B81B09BB9BA5 | SHA256:6EEBF968962745B2E9DE2CA969AF7C424916D4E3FE3CC0BB9B3D414ABFCE9507 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
4
TCP/UDP connections
5
DNS requests
3
Threats
7
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
— | — | POST | — | 108.178.60.146:80 | http://www.boerental.com/ne/ | US | — | — | malicious |
— | — | POST | — | 108.178.60.146:80 | http://www.boerental.com/ne/ | US | — | — | malicious |
252 | explorer.exe | GET | — | 109.73.228.245:80 | http://www.stuck.healthcare/ne/?Cr8dGL=Vsx6hVokWi4d16MmAR4zkmamIgAy14hi5bqdkc7LRwBqSM6m+nSJGYlCLGcisrckQ52EVw==&RZ=dh7XG6OXaV-PIvY | US | — | — | malicious |
252 | explorer.exe | GET | — | 108.178.60.146:80 | http://www.boerental.com/ne/?Cr8dGL=O/yLwPaalrSBbyAw+yatJmTIUOjgSFmfom300OEQSQkKVbCmvYh23/Lp76LM5LvVrDjdUA==&RZ=dh7XG6OXaV-PIvY&sql=1 | 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 |
|---|---|---|---|---|---|---|
252 | explorer.exe | 109.73.228.245:80 | www.stuck.healthcare | SoftLayer Technologies Inc. | US | malicious |
252 | explorer.exe | 108.178.60.146:80 | www.boerental.com | SingleHop, Inc. | US | malicious |
— | — | 108.178.60.146:80 | www.boerental.com | SingleHop, Inc. | US | malicious |
DNS requests
Domain | IP | Reputation |
|---|---|---|
www.stuck.healthcare |
| malicious |
www.boerental.com |
| malicious |
Threats
PID | Process | Class | Message |
|---|---|---|---|
252 | explorer.exe | A Network Trojan was detected | MALWARE [PTsecurity] FormBook CnC Checkin (GET) |
252 | explorer.exe | A Network Trojan was detected | MALWARE [PTsecurity] FormBook CnC Checkin (GET) |
— | — | A Network Trojan was detected | MALWARE [PTsecurity] TrojanSpy:FormBook CnC Checkin (POST) |
— | — | A Network Trojan was detected | MALWARE [PTsecurity] TrojanSpy:FormBook CnC Checkin (POST) |
3 ETPRO signatures available at the full report