MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b818f5a62ced3a731fa73968051a1017aee199a324fe740c7bb14c488d1a670f. 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: b818f5a62ced3a731fa73968051a1017aee199a324fe740c7bb14c488d1a670f
SHA3-384 hash: b63884e45ba3b35c024cb21f58686c5fe5832acd92dbb3f446119c5076bdee79bd295cb4e9a0844e5a60496a11939093
SHA1 hash: 9b16e267c8be7c03e399032ae0dcb1c9ad34d18b
MD5 hash: aae17f9e16015fe70397d96189599006
humanhash: lithium-washington-sweet-delaware
File name:b818f5a62ced3a731fa73968051a1017aee199a324fe740c7bb14c488d1a670f
Download: download sample
Signature Formbook
Create hunting rule
File size:185'856 bytes
First seen:2023-04-20 10:16:18 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 3072:hahPEsB0bsbmL3Yl94meKhyZ9mYppThI9Byh6pq+ampXeSARZ+GE:ha2jYj4LKhyZ9vpThlh6BaM7
Threatray 3'187 similar samples on MalwareBazaar
TLSH T1E004AF36D601C071E2B212B5F6BD1B7B883E0D343255A4EAE3E116A16EF59A5F03931F
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
244
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b818f5a62ced3a731fa73968051a1017aee199a324fe740c7bb14c488d1a670f
Verdict:
No threats detected
Analysis date:
2023-04-20 10:45:11 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/00e63c6b-5496-4abe-b793-b1752bd65cdc

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/383706/
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
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook packed
Link:
https://www.filescan.io/uploads/6441112c2505c9cd829ecb1c/reports/06398f14-a127-46a0-92ab-de4ac086c856/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/b818f5a62ced3a731fa73968051a1017aee199a324fe740c7bb14c488d1a670f
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/cde157c9-3757-4d91-94d7-b0cf79f503a6
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1217913
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/b818f5a62ced3a731fa73968051a1017aee199a324fe740c7bb14c488d1a670f/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2023-04-20 10:17:13 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=xampljrm5u5hgh5hhfuakgqqc6xodgndet7hidd3wfgerdi2m4hq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
03315fc089295a2ff5733402c9a928e0fa0c26c3d67dd3610ea121845bde4f1f
Formbook
13820d60b2e8ac752be35f8ac5f49aa70111dfd2a0fed40b58b5232ba93f0c23
Formbook
24552144f5fb02e6e73e46581a16dfd23eaffa02b90781f34f0b3692cab926d4
Formbook
2cb0d3b3c2a398a778d18b089cf68d8f7fd91808da695bee0f0fb556354efe09
Formbook
5a95e92547f26d8b505c2c70b8c96dd8c41cb73ce948781b08a0adc831b1b158
Formbook
78c83e6e7ce1c4708302ea7cd0a51b142b49f1e58e5fdefa07d9891b019683a4
Formbook
8510156c681956fa592f4e2f346a7cd02ce7a00a31264dc2106e6e0b5a4b267b
Formbook
bedb5ef007caf41eb52f0331f1fdf5997271a828df7adb1e1132063129eba99e
Formbook
d4ab87e55002c6b6e0aafcf9365ab9017946e998371e43b15a50bae8475b947c
Formbook
e7f3ea9e207ee0ee8465346b51790d3f781e5b47fdc77f6ce17c2d88292b42d7
Formbook
+ 3'177 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:b04s rat
Link:
https://tria.ge/reports/230420-mbdqbabb8v/
Behaviour
Suspicious behavior: EnumeratesProcesses
Unpacked files
SH256 hash:
b818f5a62ced3a731fa73968051a1017aee199a324fe740c7bb14c488d1a670f
MD5 hash:
aae17f9e16015fe70397d96189599006
SHA1 hash:
9b16e267c8be7c03e399032ae0dcb1c9ad34d18b
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/36041f9e-d88d-4118-99ef-9c7b3bf60b16/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b818f5a62ced/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/b818f5a62ced3a731fa73968051a1017aee199a324fe740c7bb14c488d1a670f

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 b818f5a62ced3a731fa73968051a1017aee199a324fe740c7bb14c488d1a670f

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/383706/

Comments