MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3e1b1fe0edaa2aa1cd743646f41354eaaf7eaf54d47a416f141ba9f9320024fd. 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: 14


Intelligence 14 IOCs YARA 25 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3e1b1fe0edaa2aa1cd743646f41354eaaf7eaf54d47a416f141ba9f9320024fd
SHA3-384 hash: 33a43505646d35d0fcb7e9f9eb9f23f4d8adb8d7b98cc4316c50e30663a93822eafd5a5270f166d3db3c99fb1556f0e6
SHA1 hash: b5511448afcb11e950db902a78b55c20993dc890
MD5 hash: 9333bb34844a2579ea99b40edd82e3fd
humanhash: black-mockingbird-oxygen-purple
File name:SecuriteInfo.com.Win32.MalwareX-gen.81626146
Download: download sample
Signature Formbook
Create hunting rule
File size:1'098'752 bytes
First seen:2026-07-30 18:24:21 UTC
Last seen:2026-07-30 19:31:09 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'131 x AgentTesla, 20'159 x Formbook, 12'362 x SnakeKeylogger)
ssdeep 24576:CjeA9s5wq82kRxCyOpAIu9JZutuT6z9WSj+oLEStE2FL:xUs5d8BxCyaYJctZj6D/CL
TLSH T19F351198A65EC913C89547B90E72FAB9277C2DEEE412D3064FEDACEB3566F004D04643
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 SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
201
Origin country :
FR FR
Vendor Threat Intelligence
Malware configuration found for:
RoboSki
Details
Link:
https://research.acce.ciphertechsolutions.com/results/7a63ec3c-4d8c-428a-b3de-f67d812f92aa/
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/76870/
Detection(s):
SecuriteInfo.com.Trojan.KillProc2.41132.67651458.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a service
Сreating synchronization primitives
Creating a process with a hidden window
Launching a process
Creating a file
Adding an exclusion to Microsoft Defender
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/6a6b96da2a82c920605b7247/reports/821f748f-a9fc-42fa-9b39-5a8867955db0/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/3e1b1fe0edaa2aa1cd743646f41354eaaf7eaf54d47a416f141ba9f9320024fd
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-07-30T13:48:00Z UTC
Last seen:
2026-08-01T13:13:00Z UTC
Hits:
~1000
Link:
https://opentip.kaspersky.com/3e1b1fe0edaa2aa1cd743646f41354eaaf7eaf54d47a416f141ba9f9320024fd/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/d52415b8-6bc7-42c6-ae87-fa28e723ca9d
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/3e1b1fe0edaa2aa1cd743646f41354eaaf7eaf54d47a416f141ba9f9320024fd
Verdict:
inconclusive
YARA:
6 match(es)
Tags:
.Net Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.49 Win 32 Exe x86
Link:
https://app.malva.re/file/9333bb34844a2579ea99b40edd82e3fd
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3e1b1fe0edaa2aa1cd743646f41354eaaf7eaf54d47a416f141ba9f9320024fd/
Threat name:
Win32.Backdoor.FormBook
Create hunting rule
Status:
Malicious
First seen:
2026-07-30 18:26:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hynr7yhnvivkdtlugzdpie2u5kxx5l2u2r5ec3yudou7smqaet6q._file
Verdict:
malicious
Label(s):
Formbook
Create hunting rule
Link:
https://reports.threatray.com/b351efb7-e834-4e58-85b7-f7236a6c95f0
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook discovery execution rat spyware stealer trojan
Link:
https://tria.ge/reports/260730-w19cysxyby/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Family: Formbook
Formbook payload
Unpacked files
SH256 hash:
3e1b1fe0edaa2aa1cd743646f41354eaaf7eaf54d47a416f141ba9f9320024fd
MD5 hash:
9333bb34844a2579ea99b40edd82e3fd
SHA1 hash:
b5511448afcb11e950db902a78b55c20993dc890
Link:
https://www.unpac.me/results/33166cfe-1281-48db-a74d-19e81b2bdcd7/
SH256 hash:
6d4c5bc731b2e23fa90f0d8e916c17f57c4bf3d38278b1d02bb560cb19b85091
MD5 hash:
cd2fd8822f142d3a5f9d51f58967a218
SHA1 hash:
7d83a73965e5cdba3ecf738e3794804d3c98f8c0
Link:
https://www.unpac.me/results/33166cfe-1281-48db-a74d-19e81b2bdcd7/
SH256 hash:
2787f20824095f77d46320d707321e40ba23328d1a9280189c79041cf862d318
MD5 hash:
2940cdf56d5cfb4caa0c6d9737e7176c
SHA1 hash:
c8e237e668130d2f52b9b93c80dca8ff407f1911
Link:
https://www.unpac.me/results/33166cfe-1281-48db-a74d-19e81b2bdcd7/
SH256 hash:
ca5e3e6864661c08be0820307e90c7de650b4f2012966d719d98fbbbb4243ae8
MD5 hash:
e5809dc7d354189091422acb7bb9d4c0
SHA1 hash:
a85b5af0874ac4c13fc7426342878cae353a5c8a
Link:
https://www.unpac.me/results/33166cfe-1281-48db-a74d-19e81b2bdcd7/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3e1b1fe0edaa/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/3e1b1fe0edaa2aa1cd743646f41354eaaf7eaf54d47a416f141ba9f9320024fd

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:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__GlobalFlags
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:dgaagas
Create hunting rule
Author:Harshit
Description:Uses certutil.exe to download a file named test.txt
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
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: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:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:TH_Win_ETW_Bypass_2025_CYFARE
Create hunting rule
Author:CYFARE
Description:Windows ETW Bypass Detection Rule - 2025
Reference:https://cyfare.net/

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/76870/

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