MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 40f5c4cf3de1461b42dc81ddaf6bf3c1956d27e85773d8828e798b79402e6e13. 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: 16


Intelligence 16 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 40f5c4cf3de1461b42dc81ddaf6bf3c1956d27e85773d8828e798b79402e6e13
SHA3-384 hash: 872cd6a079cba1d71a5fb126716550cc395eaa137e11b41985f6adf3fdef755b455230120806ced7d527bf7f9bf7048c
SHA1 hash: 2d301efd7b4c9bb03c2c7dc381e74b767f861832
MD5 hash: 71e50bf2ba54bd574b8ceed6887383f6
humanhash: enemy-don-floor-black
File name:40f5c4cf3de1461b42dc81ddaf6bf3c1956d27e85773d8828e798b79402e6e13
Download: download sample
Signature Formbook
Create hunting rule
File size:186'368 bytes
First seen:2023-04-20 10:15:41 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 3072:B8QnUQwBFKRujtBxb7ZMcR0j2Vg8GYFsh9h2mQlufoRR84gHy0QtHnqkQ:FNFuHl7ZMcujkK9CufoRVgS0SHc
Threatray 2'742 similar samples on MalwareBazaar
TLSH T18A04AE32D602C071E2B251B5F67C1B7B883E0E343694A4FAE3E115A16EF0995F52A31F
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
238
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
40f5c4cf3de1461b42dc81ddaf6bf3c1956d27e85773d8828e798b79402e6e13
Verdict:
No threats detected
Analysis date:
2023-04-20 10:55:59 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/817db3d3-76cd-4a6d-9290-d92df3795901

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/383677/
Detection(s):
SecuriteInfo.com.Trojan.PWS.Banker1.29984.UNOFFICIAL
Create hunting rule

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

Win.Malware.Formbook-9951997-0
Create hunting rule

Win.Malware.Formbook-9964980-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook packed
Link:
https://www.filescan.io/uploads/644110ee1487bd3ff744cf6f/reports/5176bb23-869c-4d79-b5ec-f949ba5e1593/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/40f5c4cf3de1461b42dc81ddaf6bf3c1956d27e85773d8828e798b79402e6e13
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2d09aa86-3c9b-49b3-86f2-2ad7eb9e9f96
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1217970
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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
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:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/40f5c4cf3de1461b42dc81ddaf6bf3c1956d27e85773d8828e798b79402e6e13/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2023-04-20 10:16:13 UTC
File Type:
PE (Exe)
AV detection:
23 of 24 (95.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=id24jtz54fdbwqw4qho2627tygkw2j7ik5z5rauopgfxsqbonyjq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
42b1234da56fe61dddd91fed24d68d3d12add952d2dc36f7ef3b15d8441dc439
Formbook
6897ca7f3962315c76170bfefa5d57b98a9c1ae93a4264281c59460ff87b880e
Formbook
7d0802716538acdbba606f1691225b66910af4603aaa096f3a84776c1e5b40d7
Formbook
7f8d1823d07c98a5ea6e9d2848faf940231df09568b4fee525f18ea59d6094bc
Formbook
85259a321d6b1d54bae58397546222f0cf4584467240f0cbcdb7445577b66510
Formbook
a70b171c28645f51d9405f8429ae74f28d27ddb48786545bc21f35810f9501e4
Formbook
d65074de0434f87442490fd9b1dead7f0feff44e1b49ee74ac9636f67c3d66d2
Formbook
e7f3ea9e207ee0ee8465346b51790d3f781e5b47fdc77f6ce17c2d88292b42d7
Formbook
+ 2'732 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:cs19 rat
Link:
https://tria.ge/reports/230420-massvahb57/
Behaviour
Suspicious behavior: EnumeratesProcesses
Unpacked files
SH256 hash:
40f5c4cf3de1461b42dc81ddaf6bf3c1956d27e85773d8828e798b79402e6e13
MD5 hash:
71e50bf2ba54bd574b8ceed6887383f6
SHA1 hash:
2d301efd7b4c9bb03c2c7dc381e74b767f861832
Detections:
FormBook
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/b9e572f2-5b96-4266-a638-5d77a4bf4a67/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/40f5c4cf3de1/report/overview.html
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/40f5c4cf3de1461b42dc81ddaf6bf3c1956d27e85773d8828e798b79402e6e13

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:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:Windows_Trojan_Formbook
Create hunting rule
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Create hunting rule
Author:Elastic Security
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.
Rule name:win_formbook_w0
Create hunting rule
Author:@malgamy12

File information

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

Malspam

Formbook

Executable exe 40f5c4cf3de1461b42dc81ddaf6bf3c1956d27e85773d8828e798b79402e6e13

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/383677/

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