MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2fd949e12ca1d32c55059b6710f33e098ae5c357156d79208ab92c066c80be11. 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


Intelligence 10 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2fd949e12ca1d32c55059b6710f33e098ae5c357156d79208ab92c066c80be11
SHA3-384 hash: f1a5a7213534927ad2fabc3eba609d3c9d37d616bace653256d234b4f0eb825ca9de051eae889ad871d554016ba0f131
SHA1 hash: 76ba15453e0a13a323211a12ac6133e7e6cd283e
MD5 hash: 7f522ee33496bcbd4cb35130a7f55fd9
humanhash: connecticut-leopard-ten-harry
File name:vbc.exe
Download: download sample
Signature FormBook
Create hunting rule
File size:817'664 bytes
First seen:2020-08-17 09:27:42 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 90971096b3f3ef49ea4900e0dc05049a (10 x FormBook, 9 x AgentTesla, 4 x Loki)
ssdeep 12288:lgftlTxIDJRRtYRNeuawx2+8zVQLlcqPTxUHYY3UmNUSFBe/WXQyeIyAek3PR:lg1JxIwP5YxaZ0dD6SoWXLrEcZ
Threatray 3'478 similar samples on MalwareBazaar
TLSH 61059D32A1E0443FD173DA7C5D1B637B982ABD132B289B467BE07D484F39A513A252C7
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing Formbook:

HELO: vpsquipons.vservers.es
Sending IP: 149.62.169.219
From: Wan Bong Chartering Co., Ltd <lynn@wanbongchartr.com>
Subject: Re: Statement of account (Wan Bong) dated 31.7.2020
Attachment: Outstanding statement of account.xlsx

Formbook payload URL:
http://unitedstdyfrkesokoriorimistreetsm48qad.duckdns.org/chnsfrnd1/vbc.exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
75
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/46890/
Detection(s):
PUA.Win.Adware.Slugin-6803969-0
Create hunting rule

PUA.Win.Adware.Slugin-6840354-0
Create hunting rule

SecuriteInfo.com.Trojan.GenericKD.43676699.3150.4339.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Launching a process
Launching cmd.exe command interpreter
Sending a UDP request
DNS request
Sending an HTTP GET request
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/433064
Signature
Contains functionality to detect sleep reduction / modifications
Detected unpacking (changes PE section rights)
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 269065 Sample: vbc.exe Startdate: 17/08/2020 Architecture: WINDOWS Score: 96 33 www.fleurcbdlivraison.com 2->33 35 fleurcbdlivraison.com 2->35 37 Malicious sample detected (through community Yara rule) 2->37 39 Yara detected FormBook 2->39 41 Machine Learning detection for sample 2->41 43 Modifies the prolog of user mode functions (user mode inline hooks) 2->43 11 vbc.exe 2->11         started        signatures3 process4 signatures5 51 Detected unpacking (changes PE section rights) 11->51 53 Maps a DLL or memory area into another process 11->53 55 Tries to detect virtualization through RDTSC time measurements 11->55 57 Contains functionality to detect sleep reduction / modifications 11->57 14 vbc.exe 11->14         started        process6 signatures7 59 Modifies the context of a thread in another process (thread injection) 14->59 61 Maps a DLL or memory area into another process 14->61 63 Sample uses process hollowing technique 14->63 65 Queues an APC in another process (thread injection) 14->65 17 explorer.exe 14->17 injected process8 dnsIp9 27 www.headfirstswift.com 17->27 29 www.denimjeanshot.win 17->29 31 2 other IPs or domains 17->31 20 rundll32.exe 17->20         started        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       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/2fd949e12ca1d32c55059b6710f33e098ae5c357156d79208ab92c066c80be11/
Threat name:
Win32.Infostealer.Fareit
Create hunting rule
Status:
Malicious
First seen:
2020-08-17 07:08:44 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=f7mutyjmuhjsyviftntrb4z6bgfolq2xcvwxsiekxewam3eaxyiq._file
Verdict:
malicious
Label(s):
netwirerc
Create hunting rule
Similar samples:
001bf57ded55236e2f1f0bbf7bf313b5397d955a9ce80009b2ac61b3f84e5544
FormBook
08b47c6d183afb72f383ced4639ba73a03d9b36f06617585b3a3d28b69d1ce9f
FormBook
2a6f4ceccb614247724bff7ecc0241c756b3d0d971734ebf7d15d2c822975ff1
FormBook
2bd1995c8c2b3f35906807ce4697151cf801af339579cd7b86e467df6474dafa
FormBook
5620eaea502dcc3bc31e10dc48478022f518a15956a4b6565c454dd062859eff
FormBook
6023812166224ffe7f3ff3efacddccd27c4ae1f09aa2dc9e2f5c8557d6bb4382
FormBook
63b52bedfe18fe9a059dafcf21ed7d2bd58b00e8b4078c98e165c36e3d347b60
FormBook
9daa8e87928b88143b9482b989764524754c86d142027ccaad1fc452f52c1765
FormBook
b1ab330d8407adbc0731fd66b869bca53515ccf732d1ad498515e5e04f993de4
FormBook
ee4ae13d3fd3b58d86e270db11937476b4b7add1673983c2c28ed4d7dcc75552
FormBook
+ 3'468 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
rat trojan spyware stealer family:formbook persistence
Link:
https://tria.ge/reports/200817-v8he3agmsa/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Suspicious use of SetThreadContext
Deletes itself
Reads user/profile data of web browsers
Uses the VBS compiler for execution
Adds policy Run key to start application
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.glamotd.com/pth/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Lokibot
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/2fd949e12ca1d32c55059b6710f33e098ae5c357156d79208ab92c066c80be11

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

Excel file xlsx 08dfb3a60524ec524ea6c272bdf3186e88d88fc290aac788593ee784ed05a9ad

FormBook

Executable exe 2fd949e12ca1d32c55059b6710f33e098ae5c357156d79208ab92c066c80be11

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/434476/
  
Dropped by
MD5 ea3c17265acda25acd4e45a457e76540
  
Dropped by
SHA256 08dfb3a60524ec524ea6c272bdf3186e88d88fc290aac788593ee784ed05a9ad
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/46890/

Comments