MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fb2d188c2db03bd1a6c48b8379492e9deedc69f32657f2cda5205070595e85a7. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fb2d188c2db03bd1a6c48b8379492e9deedc69f32657f2cda5205070595e85a7
SHA3-384 hash: 777c5172b36f4d2202d87a03d9aa7747cb438b67e679b558d382a20da24d20f9d77c80cfa391af239e2e9f3b006e230f
SHA1 hash: 0bfe43c120581ddf4caa433ad3ed21ba613b3b8f
MD5 hash: d50812a789caa4da0c52789ceacdf1b6
humanhash: double-utah-undress-magnesium
File name:Telex.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:350'720 bytes
First seen:2020-08-27 08:28:58 UTC
Last seen:2020-08-27 10:09:50 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 3072:OwFJbvlzyr2P4znICXfs2VFe5shdKcl1XlJy6bvA34B2ilPr2V6v28nIoZZksHnm:Bnv9I2/8fPnzZVlwyvAQ2CE6v28nfZX
Threatray 2'244 similar samples on MalwareBazaar
TLSH BC746C3A39C3C424CC268339C0689DC5B7605A45379ACF2F6DD7634C5E03E5BBB299A9
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing Formbook:

From: alpeadriacinema.it <apis+sg+it@multiestetica.com>
Subject: info 将待处理消息发布到 (inbox)
Attachment: Telex.exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
121
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/51688/
Detection(s):
SecuriteInfo.com.Fareit-FVTD50812A789CA.3164.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Running batch commands
Launching a process
Creating a file in the Windows subdirectories
Creating a process from a recently created file
Creating a file
Unauthorized injection to a recently created process
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/452435
Signature
.NET source code contains very large array initializations
Drops executables to the windows directory (C:\Windows) and starts them
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
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 278577 Sample: Telex.exe Startdate: 27/08/2020 Architecture: WINDOWS Score: 100 39 Malicious sample detected (through community Yara rule) 2->39 41 Multi AV Scanner detection for submitted file 2->41 43 Yara detected FormBook 2->43 45 2 other signatures 2->45 8 Telex.exe 6 2->8         started        process3 file4 31 C:\Windows\SysWOW64\Telex.exe, PE32 8->31 dropped 33 C:\Windows\...\Telex.exe:Zone.Identifier, ASCII 8->33 dropped 35 C:\Users\user\AppData\Local\...\Telex.exe.log, ASCII 8->35 dropped 11 Telex.exe 2 8->11         started        14 cmd.exe 1 8->14         started        process5 signatures6 47 Multi AV Scanner detection for dropped file 11->47 49 Machine Learning detection for dropped file 11->49 51 Drops executables to the windows directory (C:\Windows) and starts them 11->51 53 2 other signatures 11->53 16 Telex.exe 11->16         started        19 cmd.exe 1 11->19         started        21 conhost.exe 14->21         started        23 reg.exe 1 14->23         started        process7 signatures8 37 Maps a DLL or memory area into another process 16->37 25 explorer.exe 16->25 injected 27 conhost.exe 19->27         started        29 reg.exe 1 19->29         started        process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fb2d188c2db03bd1a6c48b8379492e9deedc69f32657f2cda5205070595e85a7/
Threat name:
Win32.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2020-08-27 04:32:57 UTC
AV detection:
23 of 27 (85.19%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=7mwrrdbnwa55djwerobxssjotxxny2ptezl7ftnfebihawk6qwtq._file
Verdict:
malicious
Label(s):
netwirerc
Create hunting rule
Similar samples:
0b6684bf3e2f55cc60fae457d5d78a35fb03b948cd3b56424458848f1ac5068e
Formbook
0bf6ccdd920a50186f7318c51564ecc8f502302b084a5fda3feadb0d51e40f24
Formbook
11ed9b9e406c0dd0f8eebc68a84ed4790d73d051584206acce260627390ec049
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30d3cf43f91eea8df889ee14337ca8067bc68521ff63184c679aac80b321bb75
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478dce496a9eca179f7503d76fa70a27d85e2e8547b81b5c80fc7433122085c3
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6f9973f8abd9e5fb811ccb04db4fc7063fb01623edd3f53e9a8a20e352ffa8ba
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7eb341c011c4ea364ef927cfc57ac980111e9c49012834c3760896fec7f04d52
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9e31a9eedd25bd1b57d01f6f9f265cf5d13218f3e3e1866128d061ba5c77c452
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bf694824d6cbf6fba77ce087678b03ee8243a245b4b730eb55fb83e83b8dff8e
Formbook
d1176c3c4ab396d3bad7dd15c881fdb4e38922e9f7e539dc1035768f366edcf9
Formbook
+ 2'234 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
agilenet rat spyware trojan stealer family:formbook
Link:
https://tria.ge/reports/200827-3alcekanyn/
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 System32 directory
Suspicious use of SetThreadContext
Loads dropped DLL
Obfuscated with Agile.Net obfuscator
Reads user/profile data of web browsers
Executes dropped EXE
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.regulars6.com/hx303/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/fb2d188c2db03bd1a6c48b8379492e9deedc69f32657f2cda5205070595e85a7

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:Formbook
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator

File information

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

Malspam

Formbook

Executable exe fb2d188c2db03bd1a6c48b8379492e9deedc69f32657f2cda5205070595e85a7

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/51688/

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