MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b63fc3cb35e5d0f4dc71f25e700b86c151d30efe022d43a3033fe25499d720d7. 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: 15


Intelligence 15 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b63fc3cb35e5d0f4dc71f25e700b86c151d30efe022d43a3033fe25499d720d7
SHA3-384 hash: 7b296c949ce23ea98d38c457bfd12f52de2752572050b940a59f7e05521c2f87e82dc7e0d1ba8ee9f6724941d9655c21
SHA1 hash: fdd1403bd3c2084cd63639500e60f111f04524eb
MD5 hash: c15cbd34b23dff033b38f3cfabd93d5e
humanhash: lake-eleven-rugby-diet
File name:b63fc3cb35e5d0f4dc71f25e700b86c151d30efe022d43a3033fe25499d720d7
Download: download sample
Signature Formbook
Create hunting rule
File size:185'856 bytes
First seen:2023-03-13 07:10:04 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 3072:kQoEcpycyGf63ktgBZsKlNgoDi6CzMtiMmLtWUHnVg5:+QA8kGB6KlNg8SMsMGtWgVU
Threatray 2'273 similar samples on MalwareBazaar
TLSH T10104AE36D641C075F2B211B1F67D1B7B483E0E343295A0EAA3E626E06EA09D5F17931F
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
203
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b63fc3cb35e5d0f4dc71f25e700b86c151d30efe022d43a3033fe25499d720d7
Verdict:
No threats detected
Analysis date:
2023-03-13 07:29:38 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/b27723e3-10b6-416f-8bdb-03c8bdf2af36

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/373863/
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/640ecc5578e958de5349d5aa/reports/a299d436-7fef-4d4e-9dd5-3ac832d3a881/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/b63fc3cb35e5d0f4dc71f25e700b86c151d30efe022d43a3033fe25499d720d7
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c321d3de-6408-4d25-8612-376ed17ad817
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1192232
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in 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
behaviorgraph top1 signatures2 2 Behavior Graph ID: 825107 Sample: 6B45extlwW.exe Startdate: 13/03/2023 Architecture: WINDOWS Score: 100 37 Malicious sample detected (through community Yara rule) 2->37 39 Antivirus detection for URL or domain 2->39 41 Antivirus / Scanner detection for submitted sample 2->41 43 5 other signatures 2->43 9 6B45extlwW.exe 2->9         started        process3 signatures4 45 Modifies the context of a thread in another process (thread injection) 9->45 47 Maps a DLL or memory area into another process 9->47 49 Sample uses process hollowing technique 9->49 51 2 other signatures 9->51 12 explorer.exe 1 1 9->12 injected process5 dnsIp6 25 zj.zhanghonghong.com 156.236.69.23, 49697, 80 YISUCLOUDLTD-AS-APYISUCLOUDLTDHK Seychelles 12->25 27 www.autoassist.app 27.124.125.173, 49695, 80 DREAMSCAPE-AS-APDreamscapeNetworksLimitedAU Australia 12->27 29 5 other IPs or domains 12->29 53 System process connects to network (likely due to code injection or exploit) 12->53 16 colorcpl.exe 12->16         started        19 autofmt.exe 12->19         started        signatures7 process8 signatures9 31 Modifies the context of a thread in another process (thread injection) 16->31 33 Maps a DLL or memory area into another process 16->33 35 Tries to detect virtualization through RDTSC time measurements 16->35 21 cmd.exe 1 16->21         started        process10 process11 23 conhost.exe 21->23         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b63fc3cb35e5d0f4dc71f25e700b86c151d30efe022d43a3033fe25499d720d7/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2023-03-13 07:11:08 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=wy74hszv4xipjxdr6jphac4gyfi5gdx6aiwuhiydh7rfjgoxedlq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
03a84155093ab32f570220991ff8f30d65fa048544c4e0fd95038c730be6cec4
Formbook
10f07d893ce971191295d3c52b3a5c761b62edde3a50981cafb2ffc5fab72dab
Formbook
4c82ea367bd7a79a5ef059e8f1910af89374e4e4fb75819c5540f3126904c33d
Formbook
4cdfd3ac195a3194d4a4ad72a3d3aeab0009f8b8bcdd73f7664ebeafd0023bae
Formbook
597979053a51f37ffa0cbeb1847f707b2dd3b3cdbcc5c0a5e66a1f15b5419b8e
Formbook
9580bddf76a3d9179e760fba40850e85f6dc3baad1356165b78cf160bad11f28
Formbook
95eea6606746af642726f423f651e78b52dc8652033b9ca6439a95248df0fde2
Formbook
b036b3544f5ee91e85a53bc9f458f5c70792bc57b98d87beb8a350728ee012fd
Formbook
c05150aeb82312c064d530c0570a19436d44bb0955142074a4787aa998677d6d
Formbook
c1b6263682ff4c894af9df16a4f6c63bcd49248f2a580b3a3c86012d44388437
Formbook
+ 2'263 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:nn23 rat
Link:
https://tria.ge/reports/230313-hzgpnaba3w/
Behaviour
Suspicious behavior: EnumeratesProcesses
Unpacked files
SH256 hash:
b63fc3cb35e5d0f4dc71f25e700b86c151d30efe022d43a3033fe25499d720d7
MD5 hash:
c15cbd34b23dff033b38f3cfabd93d5e
SHA1 hash:
fdd1403bd3c2084cd63639500e60f111f04524eb
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/c1cd5ab4-2feb-4fe0-b9cd-7ee73ba79275/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b63fc3cb35e5/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/b63fc3cb35e5d0f4dc71f25e700b86c151d30efe022d43a3033fe25499d720d7

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 b63fc3cb35e5d0f4dc71f25e700b86c151d30efe022d43a3033fe25499d720d7

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/373863/

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