MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 857f4b5676537aa450c515275077e7c81f9f28f8fba5cb6f6eb0a7d6ed48715f. 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: 857f4b5676537aa450c515275077e7c81f9f28f8fba5cb6f6eb0a7d6ed48715f
SHA3-384 hash: bd1ac9a4087e569754657dadc3bece53e00430ff9d1cc75867b81fede5ba2671e10a89888979979223983160b86e1452
SHA1 hash: 902b45386fce7ced031b770384a2b9765e6c3e3b
MD5 hash: b80ce5546e143404c5c685c98455c9cc
humanhash: burger-pip-oxygen-ceiling
File name:b80ce5546e143404c5c685c98455c9cc
Download: download sample
Signature Formbook
Create hunting rule
File size:183'234 bytes
First seen:2020-10-25 08:00:33 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 3072:prONdk+8jA0pdZYpxXOImxORdWjLZApuRCfaSal5fsU/yI3w:UCsaK9OIKEIjlApuRCfG9sU/yI
Threatray 2'655 similar samples on MalwareBazaar
TLSH 6804AE32D641C035F2B241B9F67D0B7B883D0D383295A4EAE7E116A06EA45E5F53A31F
Reporter seifreed
Tags:FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
64
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/75451/
Detection(s):
SecuriteInfo.com.Trojan.PWS.Banker1.29984.UNOFFICIAL
Create hunting rule

Win.Malware.Formbook-7399661-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Launching cmd.exe command interpreter
Creating a window
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:
100 / 100
Link:
https://www.joesandbox.com/analysis/509127
Signature
Antivirus / Scanner detection for submitted sample
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
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/857f4b5676537aa450c515275077e7c81f9f28f8fba5cb6f6eb0a7d6ed48715f/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2020-08-01 10:33:38 UTC
AV detection:
46 of 48 (95.83%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
3beb95c4f83e5f7d1af897311a6cd1d8abfb04c656ca73d7f4c8db6ad6e5d150
Formbook
3e98d7f59e495ddfa5140a50f70347bb4a56296ca2dcb6602f65ebb4e4a0373b
Formbook
474cad642b1cf88f8d7f922cbfd9b8a00d7fc0eb40cafc0877007ee2884f105f
Formbook
688ac9fd686d48bc6fec56f27e814c48d7849f548ef14d763dd446b61140c388
Formbook
6f827b68129d30609057c2e6b36be05649fce91d6bc8ee3d3566ca5c6aba562b
Formbook
9b2c6f08cd9a4e3b144422de4d540290542ce50239f2c85697a036a461b25264
Formbook
b042e4bdfe19df2aa474fd5e2294aecc9a07d447c96466db7a7e20316d885634
Formbook
b57c9384280389b262d09cb4fa5b5465aadd4aaba2afb6d48c5d6e7c3f8d923e
Formbook
d3664113994262962936ebe74d0355986970def0cd0bcdcf088fe102047df9ba
Formbook
e13acda03eb4829793beb5c0664d5752663b7ef5ae72b63724e7eaf189a9fec4
Formbook
+ 2'645 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  10/10
Tags:
n/a
Link:
https://tria.ge/reports/201025-rk8a4l75gn/
Behaviour
Suspicious behavior: EnumeratesProcesses
Malware Config
C2 Extraction:
http://www.regulars5.com/nvqj/
Unpacked files
SH256 hash:
857f4b5676537aa450c515275077e7c81f9f28f8fba5cb6f6eb0a7d6ed48715f
MD5 hash:
b80ce5546e143404c5c685c98455c9cc
SHA1 hash:
902b45386fce7ced031b770384a2b9765e6c3e3b
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/8c8e7c92-88aa-4f7d-ab83-369338ce5abc/
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/857f4b5676537aa450c515275077e7c81f9f28f8fba5cb6f6eb0a7d6ed48715f

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.

  
Delivery method
Other
  
URLhaus
https://urlhaus.abuse.ch/url/413340/
Cape
Cape
https://www.capesandbox.com/analysis/75451/

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