MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 af78e48a8bcffe2defda0f844272be9f0655d98fab8d2346cb6f72dfe69bd469. 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: 11


Intelligence 11 IOCs YARA 1 File information Comments

SHA256 hash: af78e48a8bcffe2defda0f844272be9f0655d98fab8d2346cb6f72dfe69bd469
SHA3-384 hash: 1134e51b1fca4fce8091d96b55d198c45664fe95520cc67235a10df0a33eb73870975580052161d2facf9c8e4b645e17
SHA1 hash: db81212567275d9d7014325b7b96b1d9bd6a8743
MD5 hash: e289e905fe966aaadd8737ff15f53fcc
humanhash: cup-pip-fish-sixteen
File name:Kopia załącznika do protokołu ze spotkania.vbs
Download: download sample
Signature Formbook
File size:338'432 bytes
First seen:2026-08-04 12:48:47 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 6144:og3cuCYwFlweNXaXDN240OrLsYYg62iyw8q7OwitU1aD8d:og3cuCYuWeNqDN240Ok1g62iywv7OwoG
TLSH T165741038ADEE502971B3EE55AED479ABD95FB673360EDC1D10C2038A4613942EDC123E
TrID 66.6% (.TXT) Text - UTF-16 (LE) encoded (2000/1)
33.3% (.MP3) MP3 audio (1000/1)
Magika vba
Reporter abuse_ch
Tags:FormBook vbs

Intelligence


File Origin
# of uploads :
1
# of downloads :
73
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
aes base64 base64 crypto obfuscated powershell
Verdict:
Malicious
File Type:
vbs
First seen:
2026-08-04T04:09:00Z UTC
Last seen:
2026-08-04T09:09:00Z UTC
Hits:
~100
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
Binary is likely a compiled AutoIt script file
Creates a thread in another existing process (thread injection)
Creates an undocumented autostart registry key
Early bird code injection technique detected
Encrypted powershell cmdline option found
Found direct / indirect Syscall (likely to bypass EDR)
Joe Sandbox ML detected suspicious 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)
Queues an APC in another process (thread injection)
Sigma detected: Suspicious Encoded PowerShell Command Line
Sigma detected: Suspicious PowerShell Encoded Command Patterns
Sigma detected: Suspicious Process Parents
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Suspicious execution chain 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)
VBScript performs obfuscated calls to suspicious functions
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
WScript reads language and country specific registry keys (likely country aware script)
Wscript starts Powershell (via cmd or directly)
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1951970 Sample: Kopia za#U0142#U0105cznika ... Startdate: 04/08/2026 Architecture: WINDOWS Score: 100 47 www.tennesseeartist.com 2->47 49 www.tahquitzinn.com 2->49 51 6 other IPs or domains 2->51 73 Suricata IDS alerts for network traffic 2->73 75 Malicious sample detected (through community Yara rule) 2->75 77 Yara detected FormBook 2->77 79 6 other signatures 2->79 13 wscript.exe 1 2->13         started        signatures3 process4 signatures5 101 VBScript performs obfuscated calls to suspicious functions 13->101 103 Wscript starts Powershell (via cmd or directly) 13->103 105 Encrypted powershell cmdline option found 13->105 107 3 other signatures 13->107 16 powershell.exe 15 10 13->16         started        process6 dnsIp7 45 glbeletronica.com.br 191.252.37.10, 443, 49716 LocawebServicosdeInternetSABR Brazil 16->45 59 Early bird code injection technique detected 16->59 61 Creates an undocumented autostart registry key 16->61 63 Writes to foreign memory regions 16->63 65 2 other signatures 16->65 20 winver.exe 16->20         started        23 conhost.exe 16->23         started        signatures8 process9 signatures10 81 Maps a DLL or memory area into another process 20->81 83 Creates a thread in another existing process (thread injection) 20->83 25 OeurSBLlr2gcPd.exe 20->25 injected 28 WerFault.exe 3 21 20->28         started        process11 signatures12 95 Binary is likely a compiled AutoIt script file 25->95 97 Maps a DLL or memory area into another process 25->97 99 Found direct / indirect Syscall (likely to bypass EDR) 25->99 30 regsvr32.exe 25->30         started        process13 signatures14 109 Modifies the context of a thread in another process (thread injection) 30->109 111 Maps a DLL or memory area into another process 30->111 113 Unusual module load detection (module proxying) 30->113 115 Switches to a custom stack to bypass stack traces 30->115 33 OsnUnn9qzB35.exe 30->33 injected process15 signatures16 67 Binary is likely a compiled AutoIt script file 33->67 69 Maps a DLL or memory area into another process 33->69 71 Found direct / indirect Syscall (likely to bypass EDR) 33->71 36 SearchProtocolHost.exe 13 33->36         started        process17 signatures18 85 Tries to steal Mail credentials (via file / registry access) 36->85 87 Tries to harvest and steal browser information (history, passwords, etc) 36->87 89 Modifies the context of a thread in another process (thread injection) 36->89 91 3 other signatures 36->91 39 uJafv2dolEJayJ.exe 36->39 injected 43 firefox.exe 36->43         started        process19 dnsIp20 53 www.mustlondon.com 212.237.249.17, 49725, 49726, 49727 TEAM-BLUE-DENMARKDK Denmark 39->53 55 www.tahquitzinn.com 154.194.144.167, 49733, 49734, 49735 OWGELS-AS-APOWGELSINTERNATIONALCOLIMITEDHK Hong Kong SAR China 39->55 57 5 other IPs or domains 39->57 93 Binary is likely a compiled AutoIt script file 39->93 signatures21
Verdict:
Malware
YARA:
1 match(es)
Tags:
DeObfuscated Obfuscated T1027 T1059.005 VBScript
Threat name:
Script-WScript.Trojan.Heuristic
Status:
Malicious
First seen:
2026-08-04 12:49:46 UTC
File Type:
Text (VBS)
AV detection:
5 of 24 (20.83%)
Threat level:
  2/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
defense_evasion execution persistence
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Executes a VBScript file via the Windows Script Host.
Obfuscated Files or Information: Command Obfuscation
Checks computer location settings
Registers new Windows logon scripts automatically executed at logon.
Badlisted process makes network request
Downloads MZ/PE file
Suspicious use of NtCreateUserProcessOtherParentProcess
Please note that we are no longer able to provide a coverage score for Virus Total.

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:telebot_framework
Author:vietdx.mb

File information


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

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