MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4bc94463128cf70668fd065145a32e224079cea070e389b048ea28846de6f0c8. 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: 4bc94463128cf70668fd065145a32e224079cea070e389b048ea28846de6f0c8
SHA3-384 hash: ba5e42c5700311297481795c63998384544979306a8868a25f922ca7a311f27e7eeb17a57cad38af6bb46efca3a06a80
SHA1 hash: 8c6dd4a4a4973d2ff6f521d2bd0afef744a5b2f0
MD5 hash: a25c756fd3e1b3c614eb2b53da9cda3e
humanhash: skylark-cola-yellow-rugby
File name:4bc94463128cf70668fd065145a32e224079cea070e389b048ea28846de6f0c8
Download: download sample
Signature Formbook
Create hunting rule
File size:185'856 bytes
First seen:2023-04-20 10:15:44 UTC
Last seen:2023-04-24 07:58:53 UTC
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 3072:ofoithEv97vYYzW3F2z0Roqfa4+/CnU0BrDv1FpWUP6k+tMRR6:ki9AFUWa4+/CnU0rL1ZP6k++T
Threatray 2'629 similar samples on MalwareBazaar
TLSH T17204AE329642C071E2B251B5B6BD0B7B483E0E347255A4EAA3E516E16FE48E5F03D31F
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
241
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
4bc94463128cf70668fd065145a32e224079cea070e389b048ea28846de6f0c8
Verdict:
No threats detected
Analysis date:
2023-04-20 10:29:34 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/c354e62e-a2a0-4930-bb58-01fecfa9033c

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/383680/
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:

Behaviour
Searching for the window
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook packed
Link:
https://www.filescan.io/uploads/644110f151e4fa7a61fcca7f/reports/307dd3db-d9f0-4e04-9c94-f4ac195f43a5/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/4bc94463128cf70668fd065145a32e224079cea070e389b048ea28846de6f0c8
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/3409e46e-20ea-4646-92ad-1a2b40e0c95a
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1217966
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
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/4bc94463128cf70668fd065145a32e224079cea070e389b048ea28846de6f0c8/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2023-04-20 10:16:14 UTC
File Type:
PE (Exe)
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jpeuiyysrt3qm2h5aziulizoejahttvaodrytmci5iuii3pg6dea._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
4cdfd3ac195a3194d4a4ad72a3d3aeab0009f8b8bcdd73f7664ebeafd0023bae
Formbook
51054c5181fc248a1642dc3a5cdb7f353aaf5d136aa20bdc59084970e74c5a8b
Formbook
651404e566b5d65563d62eeca4c89c4b1ae3ed40fb440819b233f576c91d1cc0
Formbook
6e8de74475e365bdd0f573a03266f447a13f30a76cc2c71d14c1fc5607e1ae5d
Formbook
7f8d1823d07c98a5ea6e9d2848faf940231df09568b4fee525f18ea59d6094bc
Formbook
9a11023aa7479ba614e1287f7acba0822e95d707810eb9165cf994742d5eb34f
Formbook
c05150aeb82312c064d530c0570a19436d44bb0955142074a4787aa998677d6d
Formbook
d4ab87e55002c6b6e0aafcf9365ab9017946e998371e43b15a50bae8475b947c
Formbook
d567ffff91f307d87ca82e14ea8665a30486c9ba132756ffa468035f8ad7af69
Formbook
ff25677389d599682cc411460963f6adbff3879c2f2d3d7239312acfd57f42fe
Formbook
+ 2'619 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:sz94 rat
Link:
https://tria.ge/reports/230420-massvahb62/
Behaviour
Suspicious behavior: EnumeratesProcesses
Unpacked files
SH256 hash:
4bc94463128cf70668fd065145a32e224079cea070e389b048ea28846de6f0c8
MD5 hash:
a25c756fd3e1b3c614eb2b53da9cda3e
SHA1 hash:
8c6dd4a4a4973d2ff6f521d2bd0afef744a5b2f0
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/e29ed567-dedf-490f-8bd8-a5d40bbfdfd4/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4bc94463128c/report/overview.html
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/4bc94463128cf70668fd065145a32e224079cea070e389b048ea28846de6f0c8

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 4bc94463128cf70668fd065145a32e224079cea070e389b048ea28846de6f0c8

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/383680/

Comments