MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3703314f1bc96e78c1b3378534c311eec37ead98618ba0b2e6c4e7483a25f097. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3703314f1bc96e78c1b3378534c311eec37ead98618ba0b2e6c4e7483a25f097
SHA3-384 hash: 5c38a05528f353fb105b6d8e1e81db250b1bfea5aa97ee92abd776ff40518db955b54a4f27dafbdd87e0a33a80b53401
SHA1 hash: ecb3dba32f9e14552f0deafc3dab6cbaa579ce32
MD5 hash: fd2c5f1e7a76dd249637f444209d0241
humanhash: missouri-six-kentucky-william
File name:INTABINA.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:647'680 bytes
First seen:2020-10-27 12:25:02 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:XsGehnk6GbEoqqcAb4eE7GUVKW+BEbEmW4zB03Jq8HcD+jr6:ki3hyGUohBEJw3Uuc6j
Threatray 2'766 similar samples on MalwareBazaar
TLSH 51D4D0F0B0F26517E565C976316A6B1143FB190A878EE710C6A07BBF6EF33410A71E92
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing Formbook:

HELO: mail.intabina.com
Sending IP: 113.23.216.119
From: azhar@intabina.com <azhar@intabina.com>
Reply-To: azhar@intabina.com
Subject: FW; PO
Attachment: INTABINA.zip (contains "INTABINA.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
102
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/79863/
Detection(s):
SecuriteInfo.com.Trojan.InjectNET.14.2948.17010.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Setting browser functions hooks
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/513477
Signature
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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 AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 305859 Sample: INTABINA.exe Startdate: 27/10/2020 Architecture: WINDOWS Score: 100 30 www.caiomartinsoficial.com 2->30 32 caiomartinsoficial.com 2->32 40 Malicious sample detected (through community Yara rule) 2->40 42 Multi AV Scanner detection for submitted file 2->42 44 Yara detected AntiVM_3 2->44 46 4 other signatures 2->46 11 INTABINA.exe 3 2->11         started        signatures3 process4 signatures5 56 Tries to detect virtualization through RDTSC time measurements 11->56 14 INTABINA.exe 11->14         started        17 INTABINA.exe 11->17         started        process6 signatures7 58 Modifies the context of a thread in another process (thread injection) 14->58 60 Maps a DLL or memory area into another process 14->60 62 Sample uses process hollowing technique 14->62 64 Queues an APC in another process (thread injection) 14->64 19 explorer.exe 14->19 injected process8 dnsIp9 34 www.paulhubbardvideo.com 154.215.102.178, 49750, 80 POWERLINE-AS-APPOWERLINEDATACENTERHK Seychelles 19->34 36 choicesrecoverytrainings.com 130.211.219.231, 49763, 80 GOOGLEUS United States 19->36 38 2 other IPs or domains 19->38 48 System process connects to network (likely due to code injection or exploit) 19->48 23 wscript.exe 19->23         started        signatures10 process11 signatures12 50 Modifies the context of a thread in another process (thread injection) 23->50 52 Maps a DLL or memory area into another process 23->52 54 Tries to detect virtualization through RDTSC time measurements 23->54 26 cmd.exe 1 23->26         started        process13 process14 28 conhost.exe 26->28         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3703314f1bc96e78c1b3378534c311eec37ead98618ba0b2e6c4e7483a25f097/
Threat name:
ByteCode-MSIL.Trojan.Ymacco
Create hunting rule
Status:
Malicious
First seen:
2020-10-27 01:31:19 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=g4btcty3zfxhrqntg6ctjqyr53bx5lmymgf2bmxgyttuqorf6clq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
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Formbook
+ 2'756 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/201027-tv9zypp7kx/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.ceeemexports.com/t65/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/3703314f1bc96e78c1b3378534c311eec37ead98618ba0b2e6c4e7483a25f097

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time

File information

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

Malspam

Formbook

zip 353ea4a828341e4336bcc91c383cdd8a8f3447055aae3bee767cadd203b87e7f

Formbook

Executable exe 3703314f1bc96e78c1b3378534c311eec37ead98618ba0b2e6c4e7483a25f097

(this sample)

  
Dropped by
MD5 2fb875a6512249da282a67f657ef6e74
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 353ea4a828341e4336bcc91c383cdd8a8f3447055aae3bee767cadd203b87e7f
Cape
Cape
https://www.capesandbox.com/analysis/79863/

Comments