MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3e703d8a82c52ccbd83cfde999f09930dc8966608ac895916a248c795238c850. 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 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3e703d8a82c52ccbd83cfde999f09930dc8966608ac895916a248c795238c850
SHA3-384 hash: 3dfbd8b9781882831ea73cb75118e1a75d608c04f92829aeb71267fd5207126cd416a29a8178cc616af997d63f911364
SHA1 hash: ed65a5b7bc9bde732c92b68b02b649fc787704e8
MD5 hash: cd496b71961871d78db1912f96d4cac0
humanhash: happy-december-beryllium-floor
File name:Ny6iVw32tJawdsS.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:540'672 bytes
First seen:2020-10-27 10:27:27 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:ViK03Jq8HcD+jrD+MRGxmZG3q2zFoOo8dHK/9xt0q7F6Ks658:e3Uuc6jfvRGE2Oh8UC66F
Threatray 2'750 similar samples on MalwareBazaar
TLSH DDB402B0BDE1EE77D3E54E7321A5A63417B0642BDA5BDD08C9B2FAD248C63400B50DA7
Reporter abuse_ch
Tags:exe FormBook Outlook


Avatar
abuse_ch
Malspam distributing Formbook:

HELO: EUR05-AM6-obe.outbound.protection.outlook.com
Sending IP: 40.92.91.10
From: ozcan_ucak@hotmail.com
Subject: Re Balance Payment
Attachment: PaymentCopy.rar (contains "Ny6iVw32tJawdsS.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
106
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/79813/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Launching cmd.exe command interpreter
Enabling autorun by creating a file
Unauthorized injection to a system process
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/513284
Signature
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)
Modifies the prolog of user mode functions (user mode inline hooks)
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: Scheduled temp file as task from temp location
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
Uses netstat to query active network connections and open ports
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 305765 Sample: Ny6iVw32tJawdsS.exe Startdate: 27/10/2020 Architecture: WINDOWS Score: 100 37 www.ladyofluggage.com 2->37 39 fwd3.hosts.co.uk 2->39 47 Malicious sample detected (through community Yara rule) 2->47 49 Multi AV Scanner detection for dropped file 2->49 51 Sigma detected: Scheduled temp file as task from temp location 2->51 53 9 other signatures 2->53 11 Ny6iVw32tJawdsS.exe 6 2->11         started        signatures3 process4 file5 33 C:\Users\user\AppData\Roaming\WblQAJcKh.exe, PE32 11->33 dropped 35 C:\Users\user\AppData\Local\...\tmp6A21.tmp, XML 11->35 dropped 63 Tries to detect virtualization through RDTSC time measurements 11->63 65 Injects a PE file into a foreign processes 11->65 15 Ny6iVw32tJawdsS.exe 11->15         started        18 schtasks.exe 1 11->18         started        signatures6 process7 signatures8 67 Modifies the context of a thread in another process (thread injection) 15->67 69 Maps a DLL or memory area into another process 15->69 71 Sample uses process hollowing technique 15->71 73 Queues an APC in another process (thread injection) 15->73 20 explorer.exe 15->20 injected 24 conhost.exe 18->24         started        process9 dnsIp10 41 www.viviandsenaworld.com 156.252.104.216, 80 POWERLINE-AS-APPOWERLINEDATACENTERHK Seychelles 20->41 43 ghs.googlehosted.com 172.217.168.83, 49713, 80 GOOGLEUS United States 20->43 45 3 other IPs or domains 20->45 55 System process connects to network (likely due to code injection or exploit) 20->55 26 NETSTAT.EXE 20->26         started        signatures11 process12 signatures13 57 Modifies the context of a thread in another process (thread injection) 26->57 59 Maps a DLL or memory area into another process 26->59 61 Tries to detect virtualization through RDTSC time measurements 26->61 29 cmd.exe 1 26->29         started        process14 process15 31 conhost.exe 29->31         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3e703d8a82c52ccbd83cfde999f09930dc8966608ac895916a248c795238c850/
Threat name:
ByteCode-MSIL.Backdoor.NanoCore
Create hunting rule
Status:
Malicious
First seen:
2020-10-27 03:42:21 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hzyd3cucyuwmxwb47xuzt4ezgdoisztarlejlelkesghsuryzbia._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
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Formbook
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Formbook
+ 2'740 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
rat trojan spyware stealer family:formbook
Link:
https://tria.ge/reports/201027-tbxkwl3j42/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates system info in registry
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.bfboke.com/cpi/
Please note that we are no longer able to provide a coverage score for Virus Total.

File information

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

Malspam

Formbook

rar 905520dbd3a50de49356d951bd21d29012457c21e586396dfe1357dec87664d1

Formbook

Executable exe 3e703d8a82c52ccbd83cfde999f09930dc8966608ac895916a248c795238c850

(this sample)

  
Dropped by
MD5 268c1916ce805ccb2b88a702f0f07bc7
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/79813/
  
Dropped by
SHA256 905520dbd3a50de49356d951bd21d29012457c21e586396dfe1357dec87664d1

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