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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 30886fb6a718e800cee7d32371b0bf90db61a6b46f1645c79d82e460ef6ad721. 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: 19


Intelligence 19 IOCs YARA 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 30886fb6a718e800cee7d32371b0bf90db61a6b46f1645c79d82e460ef6ad721
SHA3-384 hash: 1e14918e7b0e8ce14fdcefebc4a7f514a002c4b9c7d48bd43a3ee753a1c5d3ad43f6140a40852c82eb1ee22d1f8a34f9
SHA1 hash: 298efb2443fbd77cef9a4835a770417825cf26c1
MD5 hash: 93e505bd3c5ce126568c084e6753cff4
humanhash: early-earth-georgia-uranus
File name:30886fb6a718e800cee7d32371b0bf90db61a6b46f1645c79d82e460ef6ad721
Download: download sample
Signature Formbook
Create hunting rule
File size:1'617'920 bytes
First seen:2026-11-09 08:02:00 UTC
Last seen:Never
File type:Executable exe
MIME type:application/vnd.microsoft.portable-executable
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'359 x AgentTesla, 20'862 x Formbook, 12'418 x SnakeKeylogger)
ssdeep 24576:n1FZao2QWAYL7rMN9GKLVoXUa3j6DEgFPTh:97G0wXr3AFPT
TLSH T1BF757C8337A6CA31EC68037280E693C9A376B911CC835F87325577BD1DA32667DE25D8
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 adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
47
Origin country :
HU HU
Vendor Threat Intelligence
Malware configuration found for:
CryptoObfuscator
Details
Link:
https://research.acce.ciphertechsolutions.com/results/2a569ad2-0c69-41e7-b582-6f2664ef2c30/
Malware family:
formbook
Create hunting rule
ID:
1
File name:
exe
Verdict:
Malicious activity
Analysis date:
2026-11-09 12:02:22 UTC
Tags:
auto-reg auto-startup formbook xloader stealer
Link:
https://app.any.run/tasks/9e305ef6-7c56-42da-a4c5-1b4126258cf5

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/98230/
Verdict:
Malicious
Score:
95.7%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6af1c3d1ac89c90fc65a945e
Tags:
micro
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a custom TCP request
Launching a process
Creating synchronization primitives
Adding an access-denied ACE
Using the Windows Management Instrumentation requests
Creating a file in the %temp% directory
Creating a file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Enabling autorun by creating a file
Adding exclusions to Windows Defender
Gathering data
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/30886fb6a718e800cee7d32371b0bf90db61a6b46f1645c79d82e460ef6ad721
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-10-10T04:30:00Z UTC
Last seen:
2026-10-26T09:11:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/30886fb6a718e800cee7d32371b0bf90db61a6b46f1645c79d82e460ef6ad721/results?tab=lookup
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/d0054594-396c-4560-a791-5e68a17ed9ae
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/2002424
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds extensions / path to Windows Defender exclusion list (Registry)
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
Encrypted powershell cmdline option found
Found direct / indirect Syscall (likely to bypass EDR)
Joe Sandbox ML detected suspicious sample
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Powershell creates an autostart link
Queues an APC in another process (thread injection)
Sigma detected: Potential Startup Shortcut Persistence Via PowerShell.EXE
Sigma detected: Suspicious Encoded PowerShell Command Line
Sigma detected: Suspicious PowerShell Encoded Command Patterns
Sigma detected: Suspicious PowerShell Parameter Substring
Suspicious powershell command line found
Switches to a custom stack to bypass stack traces
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Unusual module load detection (module proxying)
Uses shutdown.exe to shutdown or reboot the system
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 2002424 Sample: JvVgI5Ez8B.exe Startdate: 10/11/2026 Architecture: WINDOWS Score: 100 65 www.yaksamedia.com 2->65 67 www.studyviz.com 2->67 69 14 other IPs or domains 2->69 71 Antivirus detection for URL or domain 2->71 73 Antivirus / Scanner detection for submitted sample 2->73 75 Multi AV Scanner detection for submitted file 2->75 77 11 other signatures 2->77 8 JvVgI5Ez8B.exe 10 5 2->8         started        12 YkWhDBQ1rItQ.exe 2->12 injected 14 WUAgent.exe 2->14         started        16 3 other processes 2->16 signatures3 process4 dnsIp5 53 C:\Users\user\AppData\Local\...\WUAgent.exe, PE32 8->53 dropped 55 C:\Users\user\AppData\...\JvVgI5Ez8B.exe.log, ASCII 8->55 dropped 97 Suspicious powershell command line found 8->97 99 Encrypted powershell cmdline option found 8->99 101 Bypasses PowerShell execution policy 8->101 103 Adds extensions / path to Windows Defender exclusion list (Registry) 8->103 19 MSBuild.exe 8->19         started        22 powershell.exe 37 8->22         started        24 powershell.exe 17 8->24         started        27 cmd.exe 8->27         started        29 shutdown.exe 13 12->29         started        105 Antivirus detection for dropped file 14->105 107 Multi AV Scanner detection for dropped file 14->107 35 3 other processes 14->35 59 2.59.170.19, 80 WORLDSTREAMNL Netherlands 16->59 61 www.ai-jewelery.com 66.22.16.138, 49737, 49738, 49739 RADWARE-CLOUD-SERVICES-RADWAREINCUS United States 16->61 63 9 other IPs or domains 16->63 31 powershell.exe 16->31         started        33 powershell.exe 16->33         started        37 2 other processes 16->37 file6 signatures7 process8 file9 79 Maps a DLL or memory area into another process 19->79 81 Queues an APC in another process (thread injection) 19->81 83 Unusual module load detection (module proxying) 19->83 85 Found direct / indirect Syscall (likely to bypass EDR) 19->85 87 Powershell creates an autostart link 22->87 39 conhost.exe 22->39         started        57 C:\Users\user\...\SystemCacheManager.lnk, MS 24->57 dropped 41 conhost.exe 24->41         started        89 Tries to steal Mail credentials (via file / registry access) 29->89 91 Tries to harvest and steal browser information (history, passwords, etc) 29->91 93 Modifies the context of a thread in another process (thread injection) 29->93 95 Switches to a custom stack to bypass stack traces 29->95 43 firefox.exe 29->43         started        45 conhost.exe 31->45         started        47 conhost.exe 33->47         started        49 conhost.exe 35->49         started        51 conhost.exe 35->51         started        signatures10 process11
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.36 SOS: 0.90 Win 32 Exe x86
Link:
https://app.malva.re/file/93e505bd3c5ce126568c084e6753cff4
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/30886fb6a718e800cee7d32371b0bf90db61a6b46f1645c79d82e460ef6ad721/
Threat name:
ByteCode-MSIL.Trojan.Injectornett
Create hunting rule
Status:
Malicious
First seen:
2026-10-10 12:47:03 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
24 of 36 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=gceg7nvhdduabtxh2mrxdmf7sdnwdjvun4lelr45qlsgb33k24qq._file
Verdict:
malicious
Label(s):
Formbook
Create hunting rule
Link:
https://reports.threatray.com/05d4870c-8fc6-4be2-8945-e596bb4ab7b6
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook defense_evasion discovery execution persistence privilege_escalation rat spyware stealer trojan
Link:
https://tria.ge/reports/261109-jxf6saav9p/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Executes a command shell one-liner
System Location Discovery: System Language Discovery
Discovers running processes
Suspicious use of SetThreadContext
Adds Run key to start application
Creates a file in the Startup directory
Windows security bypass
Windows security modification
Command and Scripting Interpreter: PowerShell
Family: Formbook
Formbook payload
Malware Family:
n/a
Verdict:
Malicious
Tags:
injector rat
YARA:
ConventionEngine_Term_Desktop ConventionEngine_Term_Users ConventionEngine_Anomaly_OutsideOfDebug
Link:
https://app.threat.zone/submission/670d1ca7-6509-40b7-ab97-24262e216b3b
Malware Family:
msil
Create hunting rule
Malicious:
True
Tags:
dotnet peexe polymorphic
Link:
https://intel.virussign.com/intelligence/file/30886fb6a718e800cee7d32371b0bf90db61a6b46f1645c79d82e460ef6ad721
Unpacked files
SH256 hash:
30886fb6a718e800cee7d32371b0bf90db61a6b46f1645c79d82e460ef6ad721
MD5 hash:
93e505bd3c5ce126568c084e6753cff4
SHA1 hash:
298efb2443fbd77cef9a4835a770417825cf26c1
Link:
https://www.unpac.me/results/d642b4ec-fe97-4b64-82bb-ae31ee3e5b88/
SH256 hash:
f7a862fc0fdc07787ecff1c914bac17eca5e7cbb896e24974fff37b2037d2f84
MD5 hash:
64bf4e65c6e17c3100117e194a7a90ad
SHA1 hash:
2c81da8a3a44235e23749822d7e36a4d975cf597
Link:
https://www.unpac.me/results/d642b4ec-fe97-4b64-82bb-ae31ee3e5b88/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/30886fb6a718/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/30886fb6a718e800cee7d32371b0bf90db61a6b46f1645c79d82e460ef6ad721

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:attack_India
Create hunting rule
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:exploit_any_poppopret
Create hunting rule
Author:Jeff White [karttoon@gmail.com] @noottrak
Description:Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETDLLMicrosoft
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
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:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)

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/98230/

Comments