MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 670f48668a7421f5845262cd8a194b1358be3a2a7dfe1af20e6db85df5b30564. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.
Database Entry
Formbook
Vendor detections: 10
| SHA256 hash: | 670f48668a7421f5845262cd8a194b1358be3a2a7dfe1af20e6db85df5b30564 |
|---|---|
| SHA3-384 hash: | 617053271dbda76aa6c6b89bb7af2a6abfd6eb874df222351571f67a98c77e690edad7e6cb4481eee9e1aa7ec843054c |
| SHA1 hash: | 66d8dbfef88bd4d6e232e5ae852fd29d980b7d08 |
| MD5 hash: | dea92669236d1766aa004fc4cfcf5683 |
| humanhash: | juliet-potato-nitrogen-october |
| File name: | vbc.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 953'856 bytes |
| First seen: | 2022-04-14 08:18:38 UTC |
| Last seen: | 2022-04-20 10:20:59 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger) |
| ssdeep | 24576:DgngVOEptn2TnmsT979xV2Ib+gh2KYEIakvPEEH24H:8aRemsxVwxz24 |
| Threatray | 15'140 similar samples on MalwareBazaar |
| TLSH | T12215AE451F66A079CE39C5FC92FE306E276BECDA1063D14ACCA6E0567A1AE74CB43704 |
| TrID | 61.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 11.0% (.SCR) Windows screen saver (13101/52/3) 8.8% (.EXE) Win64 Executable (generic) (10523/12/4) 5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.2% (.EXE) Win16 NE executable (generic) (5038/12/1) |
| Reporter |  pr0xylife |
| Tags: | exe FormBook xloader |
Intelligence
File Origin
# of uploads :
2
# of downloads :
346
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
vbc.exe
Verdict:
Suspicious activity
Analysis date:
2022-04-14 08:28:00 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Adding an access-denied ACE
Launching a process
Сreating synchronization primitives
Creating a file
Searching for synchronization primitives
Launching cmd.exe command interpreter
DNS request
Sending an HTTP GET request
Reading critical registry keys
Connecting to a non-recommended domain
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
control.exe obfuscated packed update.exe
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Unknown
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
.NET source code references suspicious native API functions
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Contains functionality to hide user accounts
Found malware configuration
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-04-14 08:19:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
17 of 26 (65.38%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
agenttesla
Similar samples:
+ 15'130 additional samples on MalwareBazaar
Result
Malware family:
xloader
Score:
10/10
Tags:
family:xloader campaign:arri loader rat suricata
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Uses the VBS compiler for execution
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
670f48668a7421f5845262cd8a194b1358be3a2a7dfe1af20e6db85df5b30564
MD5 hash:
dea92669236d1766aa004fc4cfcf5683
SHA1 hash:
66d8dbfef88bd4d6e232e5ae852fd29d980b7d08
Malware family:
XLoader
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.38
YARA Signatures
MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Delivery method
Distributed via web download
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