MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d1436252b743d1f522311de28d13a2ec5d8e399990f5c5c26f3479414076ee26. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments

SHA256 hash: d1436252b743d1f522311de28d13a2ec5d8e399990f5c5c26f3479414076ee26
SHA3-384 hash: fef1bc57521382e9549091888db78c25733c9fe84a13e37df1d3578925df7b5db5c57b0fc5518ea2c184f8c8eb62655a
SHA1 hash: fd8a6505ab3e82ea7057d1d2a297eb32cb8081f3
MD5 hash: f73fec1d43bc4cf20daffa673893983b
humanhash: king-eighteen-bakerloo-nitrogen
File name:vbc.exe
Download: download sample
Signature Formbook
File size:1'078'784 bytes
First seen:2022-05-18 11:35:49 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'633 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:i+4r7Jc6myoqr4/dHSIbI0Q6pZJQmMOtfazDzjIocezS7WiR2z:ifr7+ZqrUfEaJQmLtAYo17iR2z
Threatray 11'505 similar samples on MalwareBazaar
TLSH T19D357A0E7FB08108C718B9F69CC107B1D1B1AD9E87A19B061EBF39997872483CDE615E
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

Intelligence


File Origin
# of uploads :
1
# of downloads :
263
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
vbc.exe
Verdict:
No threats detected
Analysis date:
2022-05-18 11:38:14 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Adding an access-denied ACE
Launching a process
Сreating synchronization primitives
Creating a file
Launching cmd.exe command interpreter
DNS request
Searching for synchronization primitives
Sending an HTTP GET request
Unauthorized injection to a system process
Gathering data
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to hide user accounts
Found malware configuration
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
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
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
Yara detected AntiVM3
Yara detected FormBook
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 629236 Sample: vbc.exe Startdate: 18/05/2022 Architecture: WINDOWS Score: 100 37 Snort IDS alert for network traffic 2->37 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 8 other signatures 2->43 10 vbc.exe 1 2->10         started        process3 file4 27 C:\Users\user\AppData\Local\...\vbc.exe.log, ASCII 10->27 dropped 13 ReAgentc.exe 10->13         started        process5 signatures6 51 Modifies the context of a thread in another process (thread injection) 13->51 53 Maps a DLL or memory area into another process 13->53 55 Sample uses process hollowing technique 13->55 57 2 other signatures 13->57 16 explorer.exe 13->16 injected process7 dnsIp8 29 www.topings33.com 162.0.230.89, 49812, 80 NAMECHEAP-NETUS Canada 16->29 31 www.babbleboat.com 188.114.96.10, 49781, 80 CLOUDFLARENETUS European Union 16->31 33 2 other IPs or domains 16->33 35 System process connects to network (likely due to code injection or exploit) 16->35 20 help.exe 16->20         started        signatures9 process10 signatures11 45 Modifies the context of a thread in another process (thread injection) 20->45 47 Maps a DLL or memory area into another process 20->47 49 Tries to detect virtualization through RDTSC time measurements 20->49 23 cmd.exe 1 20->23         started        process12 process13 25 conhost.exe 23->25         started       
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2022-05-18 11:36:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
11 of 26 (42.31%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:formbook family:xloader campaign:ud5f loader persistence rat spyware stealer suricata trojan
Behaviour
Checks SCSI registry key(s)
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Reads user/profile data of web browsers
Uses the VBS compiler for execution
Executes dropped EXE
Xloader Payload
Formbook
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Unpacked files
SH256 hash:
d1436252b743d1f522311de28d13a2ec5d8e399990f5c5c26f3479414076ee26
MD5 hash:
f73fec1d43bc4cf20daffa673893983b
SHA1 hash:
fd8a6505ab3e82ea7057d1d2a297eb32cb8081f3
Please note that we are no longer able to provide a coverage score for Virus Total.

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:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
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.

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