MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9bf2e6afa0656c8129746c95784146ba85f15ecf46081644192e5bbfd5899144. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9bf2e6afa0656c8129746c95784146ba85f15ecf46081644192e5bbfd5899144
SHA3-384 hash: 2d9e1538a064774cc7ce7a11937d0558651829d66586e4ee0229a50973384ca2c1daff71eb30fdbbd5748913348e4586
SHA1 hash: 44a3608d0cdcf3591efba73f905544469336a544
MD5 hash: 82b2323c67c9c0a4dd39057b97024d31
humanhash: arizona-idaho-wolfram-harry
File name:JN PO-HN512201811_PDF.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:416'768 bytes
First seen:2020-08-07 13:46:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 6144:NJ7JQMQmJuDc0jzWoWOSEbNiYj7HIwojP:NJ9LQmwDc0unUoL
Threatray 5'129 similar samples on MalwareBazaar
TLSH 00947E39A8C2883CC5364274B5389AC6B5792A783FD4466EA3DB53CC7F0109BB71725E
Reporter James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
97
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/41666/
Detection(s):
Win.Malware.Formbook-7399661-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Launching the default Windows debugger (dwwin.exe)
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/415340
Signature
.NET source code contains very large array initializations
Allocates memory in foreign processes
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/9bf2e6afa0656c8129746c95784146ba85f15ecf46081644192e5bbfd5899144/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2020-08-07 13:46:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=tpzonl5amvwicklunskxqqkgxkc7cxwpiyebmrazfzn37vmjsfca._file
Verdict:
malicious
Similar samples:
035c2fa5d912202dd34e8410b14a42b0db007c2be8ed819bbc444f9818497f5b
Formbook
14bbd0cd681c1501f814ac5e7a4dc9b627bf410990edc77cf10ada83cd106d94
Formbook
172842029f8937753e79843e36fcb4715c0f3a9de4b256585847df48caf8e10f
Formbook
20e1306537cb762d25eccee8ebc9afe0a1356f02090346a1686a4472b55b127e
Formbook
25e2619309515f2a7953682e8d4ea6d13b9c7030159aefbb8521d4316a58c19d
Formbook
27cbd2139f326adf45adefa425f7295af578ac5d9ecceab36da74c5af53def1f
Formbook
4a6187dd467be22cbd3eab6807d368c37535c488af22442498423da8124f35fa
Formbook
5620eaea502dcc3bc31e10dc48478022f518a15956a4b6565c454dd062859eff
Formbook
6023812166224ffe7f3ff3efacddccd27c4ae1f09aa2dc9e2f5c8557d6bb4382
Formbook
8c55df1fdc1ac49e2c0a3b5b77bd044d842d2f6e38bd5f782d93853a560140fb
Formbook
+ 5'119 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
rat family:formbook
Link:
https://tria.ge/reports/200807-p1mgpsj6e2/
Behaviour
Formbook Payload
Formbook family
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/9bf2e6afa0656c8129746c95784146ba85f15ecf46081644192e5bbfd5899144

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
Cape
Cape
https://www.capesandbox.com/analysis/41666/

Comments