MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 db08b46bd14292939578b689a36e94813eb9e0d25b980bc5c05a804882c5221a. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: db08b46bd14292939578b689a36e94813eb9e0d25b980bc5c05a804882c5221a
SHA3-384 hash: 6a3808067b59bdc1eec310115bec44f6c5cfdb46ef23c5a7c9d0db41c9d55afe8952ce108ba8ac78a4233e4bd4adad0d
SHA1 hash: f043809d6d034cb8eb5177d419e1889bbe5edd9c
MD5 hash: d8bafdd74d0a0a802b7e3e3b23ac72ff
humanhash: north-artist-red-crazy
File name:vbc.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'006'592 bytes
First seen:2022-04-14 08:13:14 UTC
Last seen:2022-04-20 10:23:16 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'454 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 24576:BGfgVOEJnyD+m2uOEAaFql9zZ71ajrXuMYcn61:BGSyD+ZEZFqfzLajrXm
Threatray 14'885 similar samples on MalwareBazaar
TLSH T13125BF150068237ADFEB4F3536D095462E97A4E6D4FAF4EFE15090C4AEC532B422B6F2
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 :
340
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 08:18:04 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/8a0ebb04-1e30-4474-8d5e-2506e404fbb9

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/263618/
Detection(s):
SecuriteInfo.com.ArtemisD8BAFDD74D0A.20130.13785.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Adding an access-denied ACE
Using the Windows Management Instrumentation requests
Launching a process
Сreating synchronization primitives
Creating a file
Launching cmd.exe command interpreter
DNS request
Sending an HTTP GET request
Searching for synchronization primitives
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
Link:
https://www.filescan.io/uploads/6257d7cceab80a7a6c1128ea/reports/c87cc675-872f-4fa2-b4ae-200577227710/overview
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/e1008540-dd4e-4619-b2c1-0c1b46ab2492
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/976673
Signature
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Antivirus detection for URL or domain
Benign windows process drops PE files
Contains functionality to hide user accounts
Creates an undocumented autostart registry key
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for sample
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 domain / URL
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Application Executed Non-Executable Extension
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Suspicious Rundll32 Without Any CommandLine Params
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
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 609160 Sample: vbc.exe Startdate: 14/04/2022 Architecture: WINDOWS Score: 100 41 www.pmariutto.com 2->41 51 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->51 53 Multi AV Scanner detection for domain / URL 2->53 55 Found malware configuration 2->55 57 13 other signatures 2->57 11 vbc.exe 1 2->11         started        signatures3 process4 file5 39 C:\Users\user\AppData\Local\...\vbc.exe.log, ASCII 11->39 dropped 73 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 11->73 75 Writes to foreign memory regions 11->75 77 Allocates memory in foreign processes 11->77 79 Injects a PE file into a foreign processes 11->79 15 SystemPropertiesPerformance.exe 11->15         started        signatures6 process7 signatures8 81 Modifies the context of a thread in another process (thread injection) 15->81 83 Maps a DLL or memory area into another process 15->83 85 Sample uses process hollowing technique 15->85 87 2 other signatures 15->87 18 explorer.exe 6 15->18 injected process9 dnsIp10 43 www.kysp3.xyz 18->43 45 fortunabs.com 192.254.189.128, 49877, 80 UNIFIEDLAYER-AS-1US United States 18->45 47 24 other IPs or domains 18->47 35 C:\Users\user\AppData\...\9r9lc6qlhrk.exe, PE32 18->35 dropped 37 C:\Program Files (x86)\...\9r9lc6qlhrk.exe, PE32 18->37 dropped 59 System process connects to network (likely due to code injection or exploit) 18->59 61 Benign windows process drops PE files 18->61 63 Performs DNS queries to domains with low reputation 18->63 23 rundll32.exe 1 12 18->23         started        27 9r9lc6qlhrk.exe 18->27         started        file11 signatures12 process13 dnsIp14 49 abedbashir.tech 23->49 65 System process connects to network (likely due to code injection or exploit) 23->65 67 Creates an undocumented autostart registry key 23->67 69 Tries to steal Mail credentials (via file / registry access) 23->69 71 4 other signatures 23->71 29 cmd.exe 1 23->29         started        31 cmd.exe 23->31         started        signatures15 process16 process17 33 conhost.exe 29->33         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/db08b46bd14292939578b689a36e94813eb9e0d25b980bc5c05a804882c5221a/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-04-14 07:45:25 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
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21791c7eba15ff44e84b44080fa6c85cf824afafd5d987ce18d445dc942c34a2
Formbook
292873ea2c0ffc631756b284a6967acb95ade373f1f4e2411640befa952474b4
Formbook
42c22b1ceff07541d20717e8b9fea63a1418dc92917303cdcf48cce246a7d29f
Formbook
7e821d05e25e6e5b35959289590db48f3fd100b9648916f5d433a757c40be121
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a8d57222d66a26a6ef7fe2d8eeb11a8af7ea9693afcbb31eece3519379c07784
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b85b6101f5f24710f8c9d5a32a4fa4194c55d1088c8722b08653aac9e6a3007a
Formbook
f4fe32bba1b311259ec25cc0bb98c46f741ff0ad2592f6a05fe8d7096dbcd630
Formbook
+ 14'875 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:arh2 evasion loader rat suricata
Link:
https://tria.ge/reports/220414-j4zlpsagfm/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Maps connected drives based on registry
Checks BIOS information in registry
Uses the VBS compiler for execution
Looks for VMWare Tools registry key
Looks for VirtualBox Guest Additions in registry
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
db08b46bd14292939578b689a36e94813eb9e0d25b980bc5c05a804882c5221a
MD5 hash:
d8bafdd74d0a0a802b7e3e3b23ac72ff
SHA1 hash:
f043809d6d034cb8eb5177d419e1889bbe5edd9c
Link:
https://www.unpac.me/results/23fb81a1-4a2b-4ab7-b3b7-d8fb882d8419/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.38
Link:
https://yomi.yoroi.company/submissions/db08b46bd14292939578b689a36e94813eb9e0d25b980bc5c05a804882c5221a

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
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
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

Formbook

Executable exe db08b46bd14292939578b689a36e94813eb9e0d25b980bc5c05a804882c5221a

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/263618/
  
URLhaus
https://urlhaus.abuse.ch/url/2147198/
  
Delivery method
Distributed via web download

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