MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cf2471d843cae60503efb1db4adc57e5f64ddf67ee15ee9314b4e9caf90bc309. 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: 18


Intelligence 18 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cf2471d843cae60503efb1db4adc57e5f64ddf67ee15ee9314b4e9caf90bc309
SHA3-384 hash: 829b3d060b308543d7b98c8be59b745ae7e2c50839483e1dc7be017c287c75fa7c67b0c3a1586c25804d4655d3d3bac6
SHA1 hash: d371199fa2836cead7b9b53af7f64f961f02586c
MD5 hash: 76caaf122e570993995caca886467621
humanhash: cola-ohio-maryland-robin
File name:MT_Caribbean_1_Vessel_Q88_Information.bat
Download: download sample
Signature Formbook
Create hunting rule
File size:1'144'320 bytes
First seen:2026-06-01 08:56:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'013 x AgentTesla, 19'919 x Formbook, 12'332 x SnakeKeylogger)
ssdeep 24576:fM1H8+goDqT+GpMuNCLI3tRHKlvNtuXAAJu/u0YOHUuU:CHdNuplCstMlSXAABOHUr
TLSH T1973501112A94DC41E9BE0B7845E0E37207F54E1DA412E3269FE5BDEB3C367959A0F283
TrID 73.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
6.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.6% (.EXE) Win64 Executable (generic) (6522/11/2)
4.5% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter threatcat_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
163
Origin country :
CH CH
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/c41c4c14-c2c4-479e-a2ff-c257f1563d60/
Malware family:
n/a
ID:
1
File name:
exe
Verdict:
Malicious activity
Analysis date:
2026-06-01 08:58:44 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/eec45e24-0435-4b5e-8eb8-0dde05d5812f

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/68689/
Detection(s):
SecuriteInfo.com.Win32.MalwareX-gen.16133783.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
70%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a1d4942a22676d7bfe4ab82
Tags:
micro sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade packed vbnet
Link:
https://www.filescan.io/uploads/6a1d493e099ef368af1293a5/reports/110df632-6d1d-4828-a89e-12a534449825/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/cf2471d843cae60503efb1db4adc57e5f64ddf67ee15ee9314b4e9caf90bc309
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-06-01T05:24:00Z UTC
Last seen:
2026-06-03T07:29:00Z UTC
Hits:
~10000
Link:
https://opentip.kaspersky.com/cf2471d843cae60503efb1db4adc57e5f64ddf67ee15ee9314b4e9caf90bc309/results?tab=lookup
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d379c4c0-41db-4c07-bc49-7cbb4d70e0c4
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1920949
Signature
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for submitted file
Yara detected AntiVM3
Yara detected FormBook
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/cf2471d843cae60503efb1db4adc57e5f64ddf67ee15ee9314b4e9caf90bc309
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cf2471d843cae60503efb1db4adc57e5f64ddf67ee15ee9314b4e9caf90bc309/
Verdict:
Malicious
Threat:
Family.FORMBOOK
Link:
https://tip.neiki.dev/file/cf2471d843cae60503efb1db4adc57e5f64ddf67ee15ee9314b4e9caf90bc309
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2026-06-01 08:25:51 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=z4shdwcdzltaka7pwhnuvxcx4x3e3x3h5yk65eyuwtu4v6ilymeq._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook discovery rat spyware stealer trojan
Link:
https://tria.ge/reports/260601-kv9wrahx8n/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
SmartAssembly .NET packer
Suspicious use of SetThreadContext
Family: Formbook
Formbook payload
Unpacked files
SH256 hash:
cf2471d843cae60503efb1db4adc57e5f64ddf67ee15ee9314b4e9caf90bc309
MD5 hash:
76caaf122e570993995caca886467621
SHA1 hash:
d371199fa2836cead7b9b53af7f64f961f02586c
Link:
https://www.unpac.me/results/4203ba42-3b9c-46d7-8163-c70e8419b11a/
SH256 hash:
1b7bc097c92735446793117427eb63e581aa3ea6982a75ec872cd27fbe2e9b5e
MD5 hash:
d3149fbfe65d3da08baca186a70bbcc7
SHA1 hash:
63a1460c9356fbda25d63119693c43d69637796f
Link:
https://www.unpac.me/results/4203ba42-3b9c-46d7-8163-c70e8419b11a/
SH256 hash:
3a02a8093fc8d2f703e713208488367b1f05096d96abf84113d45dc9b0618fd6
MD5 hash:
6c9c1a18a146b6e1c0cbb6e7bcc85001
SHA1 hash:
ae58d457a4556cb54e74be148f389bafefbf4290
Link:
https://www.unpac.me/results/4203ba42-3b9c-46d7-8163-c70e8419b11a/
SH256 hash:
8672a6c4661aec95f8c163e0aac527923243976d0b6fec32aef912279181d6ee
MD5 hash:
144f5ad123f2355f87abd0493ef8d758
SHA1 hash:
d6632bfb82c1b7b6f318bdd43bd35a0cc84dab16
Link:
https://www.unpac.me/results/4203ba42-3b9c-46d7-8163-c70e8419b11a/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/cf2471d843ca/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/cf2471d843cae60503efb1db4adc57e5f64ddf67ee15ee9314b4e9caf90bc309

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:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

Executable exe cf2471d843cae60503efb1db4adc57e5f64ddf67ee15ee9314b4e9caf90bc309

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/68689/

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