MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f024c838fba1619082aacb508ffec28e994d1a918b680d1ec2b7681ad3a46433. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f024c838fba1619082aacb508ffec28e994d1a918b680d1ec2b7681ad3a46433
SHA3-384 hash: 49c6f5f525d8a1676405b4a991f9240708ffbc9ed6abc7961cca50ae98dae7252e06257607013fc3e0d2de653763872b
SHA1 hash: b38d80d2eee020be068a93551bb0ced305e06afc
MD5 hash: 7d9b2c9a8e575df7916180ddcee8e4fc
humanhash: mobile-missouri-pip-coffee
File name:vbc.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:858'112 bytes
First seen:2022-03-11 15:01:56 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'653 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 24576:m61MxMmi5Lad0z5NlRqoOMaseVN7j4Ej3G:jfGSZqoOS0N7jnj3
Threatray 11'261 similar samples on MalwareBazaar
TLSH T1C605CFE0EF18877EDD24723AC4A814711EF5298E3820BF59A68D11DD0A57FCF49E612E
Reporter James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
211
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/249471/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated packed replace.exe
Link:
https://www.filescan.io/uploads/622b6472b94fb38cb45d4879/reports/523df08f-085d-41f5-b24a-4e4e6c442126/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.
Malware family:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c8f68e71-44f6-457d-a83f-1ee1f8eeedf1
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/954949
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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 dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Suspicious Add Scheduled Task From User AppData Temp
Sigma detected: Suspicius Schtasks From Env Var Folder
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses netstat to query active network connections and open ports
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 587430 Sample: vbc.exe Startdate: 11/03/2022 Architecture: WINDOWS Score: 100 46 www.virtuallyrhonda.com 2->46 48 www.jamet88.com 2->48 50 4 other IPs or domains 2->50 52 Found malware configuration 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 Antivirus detection for URL or domain 2->56 58 12 other signatures 2->58 11 vbc.exe 7 2->11         started        signatures3 process4 file5 38 C:\Users\user\AppData\...\pDVmRWbbGJ.exe, PE32 11->38 dropped 40 C:\Users\...\pDVmRWbbGJ.exe:Zone.Identifier, ASCII 11->40 dropped 42 C:\Users\user\AppData\Local\...\tmpD958.tmp, XML 11->42 dropped 44 C:\Users\user\AppData\Local\...\vbc.exe.log, ASCII 11->44 dropped 62 Uses schtasks.exe or at.exe to add and modify task schedules 11->62 64 Writes to foreign memory regions 11->64 66 Adds a directory exclusion to Windows Defender 11->66 68 Injects a PE file into a foreign processes 11->68 15 RegSvcs.exe 11->15         started        18 RegSvcs.exe 11->18         started        20 powershell.exe 25 11->20         started        22 schtasks.exe 1 11->22         started        signatures6 process7 signatures8 70 Modifies the context of a thread in another process (thread injection) 15->70 72 Maps a DLL or memory area into another process 15->72 74 Sample uses process hollowing technique 15->74 76 Queues an APC in another process (thread injection) 15->76 24 explorer.exe 15->24 injected 78 Tries to detect virtualization through RDTSC time measurements 18->78 27 conhost.exe 20->27         started        29 conhost.exe 22->29         started        process9 signatures10 60 Uses netstat to query active network connections and open ports 24->60 31 NETSTAT.EXE 24->31         started        process11 signatures12 80 Modifies the context of a thread in another process (thread injection) 31->80 82 Maps a DLL or memory area into another process 31->82 84 Tries to detect virtualization through RDTSC time measurements 31->84 34 cmd.exe 1 31->34         started        process13 process14 36 conhost.exe 34->36         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f024c838fba1619082aacb508ffec28e994d1a918b680d1ec2b7681ad3a46433/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-03-11 08:29:49 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
24 of 27 (88.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6asmqoh3ufqzbavkznii77wcr2mu2gurrnua2hwcw5ubvu5emqzq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
03231087b8d197ac9adff7250c8ceb9c1e6d604c008e5622de78d7e1fcc78c1c
Formbook
12a79c59a47c99e0fc5ecf626e45e5b4d1abef887f00214096d18e4813757234
Formbook
49f94b3fbaf875cb2c223cdee59cfdedf4b2b937fba4a473cf2e4f767b44cb4c
Formbook
545d130d10ca2961ab5d1f3072049cea68154c9ed04d6b7fa408f7c81be10c2a
Formbook
6a68426f18f239950d5bb0d82223890b44ea10de5a5fa83294457dd3dcdc5068
Formbook
8ea742e271b371fe424d1e2cb3f5227c6a0f2af70161f5c7600148228e2d77c1
Formbook
98b2ac6e4cdb537c352e38576d8506017a03acd5ef9dc62ffe20e893b0f05a73
Formbook
b2a2c2200f389dd11ed8083225880c75a050ab463146117e7aa02b983210a6f8
Formbook
e1754d3bb2df3b1c3c8b6448afd0e7e03b65e4d4a9fa331df40acc0acc38a408
Formbook
+ 11'251 additional samples on MalwareBazaar
Result
Malware family:
xloader
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Score:
  10/10
Tags:
family:xloader campaign:e3b2 loader rat
Link:
https://tria.ge/reports/220311-segh9shhg9/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Uses the VBS compiler for execution
.NET Reactor proctector
Xloader Payload
Xloader
Unpacked files
SH256 hash:
47961333cfc58da6077f142c814eb29fd3255aa4aae376203343a54c405d4dbb
MD5 hash:
ec3aa8521ef8038bcd6159baea11e65a
SHA1 hash:
15ef4bbc7160dc228de0ffeb21440eb20473265d
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/45ed9754-d8be-4e9c-a703-7f569930b60c/
Parent samples :
98b2ac6e4cdb537c352e38576d8506017a03acd5ef9dc62ffe20e893b0f05a73
f024c838fba1619082aacb508ffec28e994d1a918b680d1ec2b7681ad3a46433
e1589588b95e03844e0f5ccae574e722d68351c867b8535cd3df9467d381cdbb
739e94a41234bd028fae27705c6d0ff5d8d9925068384bcdfe4cdecc1fb36e4f
8fb567155619feef229141bb4a87119700061289822b50e682534a2051c5a4f8
SH256 hash:
9b00e2fa33ad72dec22a5e107ab6886da72bbe0bed89a721e877c1dc3ce6a662
MD5 hash:
b4c9c16228f0ee1de70ffc6264fb720c
SHA1 hash:
437049e452a511e220abdb32df695cdf07f5a7d0
Link:
https://www.unpac.me/results/45ed9754-d8be-4e9c-a703-7f569930b60c/
SH256 hash:
c477c726705ba6fd44a6439ad102f187fc319a440434f107bc341c21b46bb5e5
MD5 hash:
840e01d11d8d086619e5acbf93d95e62
SHA1 hash:
0ea10152ab84a7c6fbad62b2805314a7e8d28c56
Link:
https://www.unpac.me/results/45ed9754-d8be-4e9c-a703-7f569930b60c/
SH256 hash:
0a03855c138b955443432e83ed3f34eea900356c4e5e53fe55e07b96d4266e5f
MD5 hash:
41d1ac84931332909b75a8ace1fc946d
SHA1 hash:
099e4abf75c4c133f7aaeb0d7dcf26610633aa07
Link:
https://www.unpac.me/results/45ed9754-d8be-4e9c-a703-7f569930b60c/
SH256 hash:
f024c838fba1619082aacb508ffec28e994d1a918b680d1ec2b7681ad3a46433
MD5 hash:
7d9b2c9a8e575df7916180ddcee8e4fc
SHA1 hash:
b38d80d2eee020be068a93551bb0ced305e06afc
Link:
https://www.unpac.me/results/45ed9754-d8be-4e9c-a703-7f569930b60c/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/f024c838fba1/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/f024c838fba1619082aacb508ffec28e994d1a918b680d1ec2b7681ad3a46433

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
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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/249471/
  
URLhaus
https://urlhaus.abuse.ch/url/2090312/

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