MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9107a8988792e1ec695a1d662a6b0f7668a6fbfb6352897c1f5bfe85addf2994. 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

SHA256 hash:	9107a8988792e1ec695a1d662a6b0f7668a6fbfb6352897c1f5bfe85addf2994
SHA3-384 hash:	72455fdab178a206f8435378c4c93da3b175f718c2569462818b34135d77a9e71f4aa778c2fda6b6d28cfb4f8c4d90ca
SHA1 hash:	5e5038c597b8a9ea9d44ed7981e7aea3ea5f26ac
MD5 hash:	7579e33ff9a14044b7692be83adc73b7
humanhash:	sad-kentucky-artist-virginia
File name:	cyber.jpg
Download:	download sample
Signature	FormBook Create hunting rule
File size:	186'368 bytes
First seen:	2020-10-01 10:54:03 UTC
Last seen:	2020-10-16 12:12:52 UTC
File type:	exe
MIME type:	application/x-dosexec
ssdeep	3072:q9opOJBsmAkCXt3W+2rPHTJzrPL+1/RH0CjPwHU:Rc0xX5WTrPHTVj+dx0EI0
Threatray	2'295 similar samples on MalwareBazaar
TLSH	AA04AF32D642C070F2B211B5F67D1B7B883D0A347649A4E9A3E11AE06FB45E5F52A31F
Reporter	abuse_ch
Tags:	exe FormBook

abuse_ch

FormBook payload URL:
http://94.140.114.135/1/cyber.jpg

Intelligence

File Origin

# of uploads :

# of downloads :

122

Origin country :

n/a

Vendor Threat Intelligence

Detection:

Formbook

Link:

https://www.capesandbox.com/analysis/67389/

Detection(s):

SecuriteInfo.com.Trojan.PWS.Banker1.29984.UNOFFICIAL

Win.Malware.Formbook-7399661-0

Result

Verdict:

Malware

Maliciousness:

Behaviour

Launching a process

Sending a UDP request

Launching cmd.exe command interpreter

Setting browser functions hooks

Unauthorized injection to a system process

Unauthorized injection to a browser process

Result

Threat name:

FormBook

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/479227

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

Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)

System process connects to network (likely due to code injection or exploit)

Tries to detect virtualization through RDTSC time measurements

Yara detected FormBook

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/9107a8988792e1ec695a1d662a6b0f7668a6fbfb6352897c1f5bfe85addf2994/

Threat name:

Win32.Trojan.FormBook

Status:

Malicious

First seen:

2020-09-29 13:02:00 UTC

AV detection:

29 of 29 (100.00%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=sed2rgehslq6y2k2dvtcu2ypozukn673mnjis7a7lp7illo7fgka._file

Verdict:

malicious

Label(s):

formbook

netwirerc

FormBook

23b880c48fec41fa4fc337f0ecb3d9cd5ee8f71cd45448049a35bbcb85bb01f5

FormBook

2f074d479236e1b4b36733f1e071d6c053a135025cbc62ccc233776b23604390

FormBook

353e4fd91fe618f5c22c9cae00e7575e9b1914576ff7e332d03ca3e9f7dbbbbc

FormBook

63d643f5f17f5e621ef22e4c05a5d92c519376d0043c0958284d34ae206c0161

FormBook

8aafecddd3b462d27c24000757496edb5c6bce1e6abff9157d5360457b0805d7

FormBook

ad660d774f78137622d038976557c8782211dbfd39d2ff9a7a4bcc9279ba0f41

FormBook

b3423777b1bafbe661edd1f4d3d98e72fcb48394764ddeb57bb913b881cf9177

FormBook

bcaf7b4adc919fd5aaae24902b8135e2ad6d13249e9cb784b1532b52e40449b5

FormBook

cddef48cbafa5561f43fd788cfc08215af2c8c4d700bbad363c467e60ad0eda1

FormBook

+ 2'285 additional samples on MalwareBazaar

Result

Malware family:

formbook

Score:

10/10

Tags:

rat trojan spyware stealer family:formbook

Link:

https://tria.ge/reports/201001-7j67xynefs/

Behaviour

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://d�wR��}��QvWV4��%k!XtqU��1\ �

Unpacked files

SH256 hash:

9107a8988792e1ec695a1d662a6b0f7668a6fbfb6352897c1f5bfe85addf2994

MD5 hash:

7579e33ff9a14044b7692be83adc73b7

SHA1 hash:

5e5038c597b8a9ea9d44ed7981e7aea3ea5f26ac

Detections:

win_formbook_g0

win_formbook_auto

Link:

https://www.unpac.me/results/bea8df23-9990-4492-83d9-2d0d9742a6d6/

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/9107a8988792e1ec695a1d662a6b0f7668a6fbfb6352897c1f5bfe85addf2994

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