MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 42b1234da56fe61dddd91fed24d68d3d12add952d2dc36f7ef3b15d8441dc439. 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: 42b1234da56fe61dddd91fed24d68d3d12add952d2dc36f7ef3b15d8441dc439
SHA3-384 hash: 57f0fe08aef8e5f738e8b04725ab10864ed7f7851a560a836120d255f7feed96099c107d1a7d747e8b79c54760120505
SHA1 hash: 69b00efbe96ad8da13e9f06e0c9c90aa7a6b847a
MD5 hash: 37219158fd985f91dbe001472cc0fa89
humanhash: paris-purple-xray-rugby
File name:42b1234da56fe61dddd91fed24d68d3d12add952d2dc36f7ef3b15d8441dc439
Download: download sample
Signature Formbook
Create hunting rule
File size:186'368 bytes
First seen:2023-04-20 10:15:42 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 3072:Q8QnUQwBFKRujtBxb7ZMcR0j2Pg8GYFsh9h2mQlufoRR84gHy0QtHnqkQ:cNFuHl7ZMcujCK9CufoRVgS0SHc
Threatray 2'727 similar samples on MalwareBazaar
TLSH T13A04AE32D602C071E2B251B5F67C1B7B883E0E343694A4FAE3E115A16EF0995F52A31F
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:
42b1234da56fe61dddd91fed24d68d3d12add952d2dc36f7ef3b15d8441dc439
Verdict:
No threats detected
Analysis date:
2023-04-20 10:21:32 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/d1c398c2-18c8-4a46-91f1-6e6b0c82d0e4

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/383678/
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/644110efcf53491c998884c3/reports/7a2370f4-9a68-4d74-ba7d-4473b9e815f4/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/42b1234da56fe61dddd91fed24d68d3d12add952d2dc36f7ef3b15d8441dc439
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/1b95cdd0-8ee8-41f4-8b38-35c9dec7fdbf
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1217968
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
Uses ipconfig to lookup or modify the Windows network settings
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/42b1234da56fe61dddd91fed24d68d3d12add952d2dc36f7ef3b15d8441dc439/
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:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ikysgtnfn7tb3xozd7wsjvunhujk3wks2lodn57phmk5qra5yq4q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
43440434172d5730884fa5f0ae4f7ae73c4815e74618d18bc405d18dd325fed4
Formbook
44f2ec87230646c2db8bc78717c831c163dc5d5018ba9c18288db62a0b65814e
Formbook
597979053a51f37ffa0cbeb1847f707b2dd3b3cdbcc5c0a5e66a1f15b5419b8e
Formbook
7f8d1823d07c98a5ea6e9d2848faf940231df09568b4fee525f18ea59d6094bc
Formbook
a70b171c28645f51d9405f8429ae74f28d27ddb48786545bc21f35810f9501e4
Formbook
aee5d1b7326545ff692b98743e04d035e01415300fea8a5bf445d3490d6776cc
Formbook
b9a94e9799cdc6438b23da4933852c98049ecf6a332f15c4636647823628050a
Formbook
edf9df1a661fc13c4773ac176efe0381a60a04e829e338fdbcab37b5b45170e2
Formbook
+ 2'717 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-massvahb58/
Behaviour
Suspicious behavior: EnumeratesProcesses
Unpacked files
SH256 hash:
42b1234da56fe61dddd91fed24d68d3d12add952d2dc36f7ef3b15d8441dc439
MD5 hash:
37219158fd985f91dbe001472cc0fa89
SHA1 hash:
69b00efbe96ad8da13e9f06e0c9c90aa7a6b847a
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/65503099-de8a-4104-a49b-41b65f531d32/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/42b1234da56f/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/42b1234da56fe61dddd91fed24d68d3d12add952d2dc36f7ef3b15d8441dc439

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 42b1234da56fe61dddd91fed24d68d3d12add952d2dc36f7ef3b15d8441dc439

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/383678/

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