MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2f4f94bfed428eddafff6e978a8042cd7519e4708ef6a3aaa6eb4b7f79e3c453. 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: 17


Intelligence 17 IOCs YARA 10 File information Comments
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SHA256 hash: 2f4f94bfed428eddafff6e978a8042cd7519e4708ef6a3aaa6eb4b7f79e3c453
SHA3-384 hash: 5e0c2ff4aea87467874088032038d8ab305640ff9951d0ddfc4d113072e31ae7829adeee227acfb98d455fb7c23f4f8f
SHA1 hash: 2527c1e306c2d0338580e709304180c69d7a4040
MD5 hash: 4041c56677d1cb00888fd21ba80683f0
humanhash: quiet-connecticut-michigan-lactose
File name:4041c56677d1cb00888fd21ba80683f0.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:189'440 bytes
First seen:2023-10-30 05:51:45 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 3072:MhiQaFrSCnW6KU7FQI01V+73eb1cfKTuOLmIWp/aIw2tcXb1o2mfWY:mVCn3BA1VU3e4KTuOLmMW4i2mf/
Threatray 410 similar samples on MalwareBazaar
TLSH T17104AE36DA41C071E2B251B5F67D0B7B883E0E343295A5A6E3E126E06FA45E5F03931F
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
296
Origin country :
NL NL
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/457027/
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
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Win.Malware.Formbook-9964980-0
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a custom TCP request
Gathering data
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
formbook overlay packed
Link:
https://www.filescan.io/uploads/653f4485b38131f117aa93b3/reports/b175241a-b260-481a-9285-751a07005241/overview
Verdict:
Malicious
Labled as:
TrojanS.305CDE92
Link:
https://www.hybrid-analysis.com/sample/2f4f94bfed428eddafff6e978a8042cd7519e4708ef6a3aaa6eb4b7f79e3c453
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/27fb07f6-ee57-4cb1-80a0-f26928887c99
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1334056
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
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1334056 Sample: JLavGK0bZb.exe Startdate: 30/10/2023 Architecture: WINDOWS Score: 100 26 www.tianyan110.com 2->26 28 www.therealnikib.com 2->28 30 16 other IPs or domains 2->30 40 Snort IDS alert for network traffic 2->40 42 Found malware configuration 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 7 other signatures 2->46 10 JLavGK0bZb.exe 2->10         started        13 SkypeApp.exe 2 4 2->13         started        signatures3 process4 signatures5 56 Modifies the context of a thread in another process (thread injection) 10->56 58 Maps a DLL or memory area into another process 10->58 60 Sample uses process hollowing technique 10->60 62 2 other signatures 10->62 15 explorer.exe 16 7 10->15 injected process6 dnsIp7 32 www.5108010.com 208.87.207.208, 80 VYVE-BROADBANDUS United States 15->32 34 collibrishop.online 50.116.112.43, 49721, 80 UNIFIEDLAYER-AS-1US United States 15->34 36 7 other IPs or domains 15->36 38 System process connects to network (likely due to code injection or exploit) 15->38 19 svchost.exe 12 15->19         started        signatures8 process9 signatures10 48 System process connects to network (likely due to code injection or exploit) 19->48 50 Modifies the context of a thread in another process (thread injection) 19->50 52 Maps a DLL or memory area into another process 19->52 54 Tries to detect virtualization through RDTSC time measurements 19->54 22 cmd.exe 1 19->22         started        process11 process12 24 conhost.exe 22->24         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/2f4f94bfed428eddafff6e978a8042cd7519e4708ef6a3aaa6eb4b7f79e3c453
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/2f4f94bfed428eddafff6e978a8042cd7519e4708ef6a3aaa6eb4b7f79e3c453/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2023-10-30 04:26:05 UTC
File Type:
PE (Exe)
AV detection:
23 of 23 (100.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=f5hzjp7nikhn3l77n2lyvacczv2rtzdqr33khkvg5nfx66pdyrjq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0261bba1b146e0ab0e7fc470b2734574039afc12f98e57cb16d7d08056e969cb
Formbook
393f41d6aaa447a3fc89f83b3ffb08574464197bf45704ba8226cd070b63c6ed
Formbook
55080fee4ee4ead649f0e1e4f4fed140e91dbe7b372adc0ff110994655d956cf
Formbook
66e461f8245be149d5a3826d29c170d5960ade477be127c0fe2bc315e26067a3
Formbook
7da9294ba554d4c17ed9e4caac9836e303980814c7898b422ccde7a246ac26a5
Formbook
b88b53db5c1fd0779cb7718630d7ac90f0ff81cfc7e8495bff1325743adeff65
Formbook
bbcaa127862b5b70b5a833b3136f431c03a9165dd0a4646ba78922ebcc7ebdc3
Formbook
+ 400 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:4hc5 rat
Link:
https://tria.ge/reports/231030-gkrewabc5v/
Behaviour
Suspicious behavior: EnumeratesProcesses
Unpacked files
SH256 hash:
2f4f94bfed428eddafff6e978a8042cd7519e4708ef6a3aaa6eb4b7f79e3c453
MD5 hash:
4041c56677d1cb00888fd21ba80683f0
SHA1 hash:
2527c1e306c2d0338580e709304180c69d7a4040
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/8d116be5-d2d6-483a-a7f8-1056087ec9d7/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/2f4f94bfed42/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.56
Link:
https://yomi.yoroi.company/submissions/2f4f94bfed428eddafff6e978a8042cd7519e4708ef6a3aaa6eb4b7f79e3c453

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:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
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.

Web download

Formbook

Executable exe 2f4f94bfed428eddafff6e978a8042cd7519e4708ef6a3aaa6eb4b7f79e3c453

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2725956/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/457027/

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