MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3b13397c20abd804bfd731c28f9949f2cbfcc08cdc28ec34457729d0a645dbb2. 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: 3b13397c20abd804bfd731c28f9949f2cbfcc08cdc28ec34457729d0a645dbb2
SHA3-384 hash: 02a3743969b025703812d57c385d11aeba885b4f287c4ee3c7aef85371165f1fa81ac23b7b83fde2cf717e1a04c468e4
SHA1 hash: 05ddc6e2369311b3aaaa9377c1cc960f95ecf449
MD5 hash: daec170c667534269652d0cc2762e8c9
humanhash: edward-early-grey-failed
File name:3b13397c20abd804bfd731c28f9949f2cbfcc08cdc28ec34457729d0a645dbb2
Download: download sample
Signature Formbook
Create hunting rule
File size:185'856 bytes
First seen:2023-04-20 10:15:39 UTC
Last seen:2023-04-24 07:58:52 UTC
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 3072:uGcUkxSHP3Er83AYT8NGSYW67OychpITU+ucNRPvCwlUKw:aysyAq6x6KycfUucNRP
Threatray 3'200 similar samples on MalwareBazaar
TLSH T10604AE32DA42C431F2B252B5B2BD1B7B883D0E353295A4E9A3F115E06EA19D5F43931F
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
244
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
3b13397c20abd804bfd731c28f9949f2cbfcc08cdc28ec34457729d0a645dbb2
Verdict:
No threats detected
Analysis date:
2023-04-20 10:21:32 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/ea7b877d-39ca-485e-bf5c-046546a288e9

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/383676/
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
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook packed
Link:
https://www.filescan.io/uploads/644110ed26946732737003b0/reports/4227410a-cd9b-4f05-8cc5-30dc7f5d5c74/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/3b13397c20abd804bfd731c28f9949f2cbfcc08cdc28ec34457729d0a645dbb2
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/4a3b2e1e-17f0-4d73-8a7e-50334766dc5f
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1217971
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)
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/3b13397c20abd804bfd731c28f9949f2cbfcc08cdc28ec34457729d0a645dbb2/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2023-04-20 10:16:12 UTC
File Type:
PE (Exe)
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hmjts7bavpmajp6xghbi7gkj6lf7zqem3quoyncfo4u5bjsf3oza._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
06fbb80f37ae3534d8d87fe5444da0a09f10e45b8f2882c9e9fe89e879d380c7
Formbook
1c629a87d868f7e9a1d1b3b121a17c18facf18fff084438f40e853bfd5cb1169
Formbook
2cb0d3b3c2a398a778d18b089cf68d8f7fd91808da695bee0f0fb556354efe09
Formbook
4f285ae8e4b4fc0bc50cb639a413412a276f7d187770da6fb5e089eeeff9145e
Formbook
53495ecf8b97a44f42431f7a069d6d993728788af54c20ce7ece289640c3e1c9
Formbook
65862cbf4192b68d8d687b05a2265876f35d6c0f7ae9e89bd1c5fc3d4800d505
Formbook
9580bddf76a3d9179e760fba40850e85f6dc3baad1356165b78cf160bad11f28
Formbook
9c1292869bf34d5077f8f2bffd19ff671a0dcd996734c3d8af1e484cac42d80d
Formbook
c76f6491f5c7c5f2ccd6ab087344e50a6a9a4741b43d6a181e2ef54eac668f65
Formbook
fb4c3c803b69b2823f0bb584ef77da38f17eaf18184058249b6dd7664234cb53
Formbook
+ 3'190 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:oa09 rat
Link:
https://tria.ge/reports/230420-masg3sbb51/
Behaviour
Suspicious behavior: EnumeratesProcesses
Unpacked files
SH256 hash:
3b13397c20abd804bfd731c28f9949f2cbfcc08cdc28ec34457729d0a645dbb2
MD5 hash:
daec170c667534269652d0cc2762e8c9
SHA1 hash:
05ddc6e2369311b3aaaa9377c1cc960f95ecf449
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/9744d768-46c3-4ac6-8c07-f830c4ec248c/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3b13397c20ab/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/3b13397c20abd804bfd731c28f9949f2cbfcc08cdc28ec34457729d0a645dbb2

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 3b13397c20abd804bfd731c28f9949f2cbfcc08cdc28ec34457729d0a645dbb2

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/383676/

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