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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 62a3b777a557e2a2af8b1cea7d9735cc220dad71a0733dec34bdc67e2b619458. 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: 10


Intelligence 10 IOCs YARA 1 File information Comments
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SHA256 hash: 62a3b777a557e2a2af8b1cea7d9735cc220dad71a0733dec34bdc67e2b619458
SHA3-384 hash: b3b8daee4c97711b83eb2e0aef99188bd3632d9ca68f561f579c02b13fda66e2a94e25d9cbc59f2527fb4e832eca053f
SHA1 hash: eafe3f13ea4ba3c29c822f4d92650fdfc8263022
MD5 hash: 6ba643c13f1189ebec3843c32c80ea0c
humanhash: princess-september-washington-quiet
File name:SKM_360i24122506330.vbs
Download: download sample
Signature Formbook
Create hunting rule
File size:31'179 bytes
First seen:2026-10-12 07:58:05 UTC
Last seen:2026-10-12 12:16:12 UTC
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 768:KR5x03nsZD+SBzWeosb3yBONvMfEFp4lPAF/kgJlwGUZPc7oM1crlRudM8JBAZbN:CknsZqS9Weosb3yBONvMfEFpEPAF/kgq
TLSH T1B7E2EA17B9014FBC0A593DD5A5EB7D05AA200FAD7B386CC9798BD0583B269108BD0FDB
Magika vba
Reporter abuse_ch
Tags:FormBook vbs

Intelligence

File Origin
# of uploads :
2
# of downloads :
117
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/91514/
Detection(s):
SecuriteInfo.com.VBS.DownLoader.4642.7510.14182.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6ad0f1c46f551121ba16156c
Tags:
xtreme shell sage
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/6acc93178f64ad07a1d060ff/reports/a8a9e945-38da-4101-a4eb-97395d361fcf/overview
Verdict:
Malicious
Labled as:
Trojan/VBS.Obfuscated.ff
Link:
https://www.hybrid-analysis.com/sample/62a3b777a557e2a2af8b1cea7d9735cc220dad71a0733dec34bdc67e2b619458
Verdict:
Malicious
File Type:
vbs
First seen:
2026-10-12T04:31:00Z UTC
Last seen:
2026-10-14T06:35:00Z UTC
Hits:
~1000
Link:
https://opentip.kaspersky.com/62a3b777a557e2a2af8b1cea7d9735cc220dad71a0733dec34bdc67e2b619458/results?tab=lookup
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1985822
Signature
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 submitted file
Queues an APC in another process (thread injection)
Sigma detected: Potential PowerShell Command Line Obfuscation
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Suspicious execution chain found
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)
VBScript performs obfuscated calls to suspicious functions
Windows Scripting host queries suspicious COM object (likely to drop second stage)
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1985822 Sample: SKM_360i24122506330.vbs Startdate: 12/10/2026 Architecture: WINDOWS Score: 100 44 db.fyhqrd.com 2->44 46 www.ptgpko.com 2->46 48 9 other IPs or domains 2->48 68 Suricata IDS alerts for network traffic 2->68 70 Multi AV Scanner detection for submitted file 2->70 72 Yara detected FormBook 2->72 74 4 other signatures 2->74 10 wscript.exe 1 2->10         started        13 d1h0rDUD7Hb5.exe 2->13 injected 15 w8Vb5KYPQZW.exe 2->15 injected signatures3 process4 dnsIp5 84 VBScript performs obfuscated calls to suspicious functions 10->84 86 Wscript starts Powershell (via cmd or directly) 10->86 88 Windows Scripting host queries suspicious COM object (likely to drop second stage) 10->88 94 2 other signatures 10->94 18 powershell.exe 10->18         started        90 Maps a DLL or memory area into another process 13->90 92 Found direct / indirect Syscall (likely to bypass EDR) 13->92 21 logman.exe 13 13->21         started        50 www.mimao.net 35.213.157.240, 49765, 49766, 49767 GOOGLE-GoogleLLCUS Singapore 15->50 52 www.bialasfamilyoffice.com 34.174.9.29, 49757, 49758, 49759 GOOGLE-CLOUD-PLATFORM-GoogleLLCUS United States 15->52 54 5 other IPs or domains 15->54 signatures6 process7 signatures8 56 Suspicious powershell command line found 18->56 58 Suspicious execution chain found 18->58 23 RegAsm.exe 18->23         started        26 powershell.exe 12 18->26         started        28 conhost.exe 18->28         started        60 Tries to steal Mail credentials (via file / registry access) 21->60 62 Tries to harvest and steal browser information (history, passwords, etc) 21->62 64 Modifies the context of a thread in another process (thread injection) 21->64 66 3 other signatures 21->66 30 firefox.exe 21->30         started        process9 signatures10 76 Modifies the context of a thread in another process (thread injection) 23->76 78 Maps a DLL or memory area into another process 23->78 80 Queues an APC in another process (thread injection) 23->80 82 3 other signatures 23->82 32 cmd.exe 1 26->32         started        34 conhost.exe 26->34         started        process11 process12 36 taskkill.exe 1 32->36         started        38 taskkill.exe 1 32->38         started        40 taskkill.exe 1 32->40         started        42 conhost.exe 32->42         started       
Score:
97%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/62a3b777a557e2a2af8b1cea7d9735cc220dad71a0733dec34bdc67e2b619458
Verdict:
Malware
YARA:
1 match(es)
Tags:
COM Behavior Trace DeObfuscated Obfuscated SOS: 0.64 T1027 T1059 T1059.005 VBScript WScript.Network WScript.Shell
Link:
https://app.malva.re/file/6ba643c13f1189ebec3843c32c80ea0c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/62a3b777a557e2a2af8b1cea7d9735cc220dad71a0733dec34bdc67e2b619458/
Threat name:
Script-WScript.Trojan.Heuristic
Create hunting rule
Status:
Malicious
First seen:
2026-10-12 07:58:26 UTC
File Type:
Text (VBS)
AV detection:
12 of 38 (31.58%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mkr3o55fk7rkfl4ldtvh3fzvzqra3llrubzt33buxxdh4k3bsrma._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
defense_evasion discovery execution
Link:
https://tria.ge/reports/261012-jt2nbatsfx/
Behaviour
Kills process with taskkill
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Executes a command shell one-liner
System Location Discovery: System Language Discovery
Executes a VBScript file via the Windows Script Host.
Suspicious use of SetThreadContext
Checks computer location settings
Badlisted process makes network request
Command and Scripting Interpreter: PowerShell
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:MULTI_Malware_GuLoader_ForgeAuto_2fbadefd
Create hunting rule
Author:Marjoriefort
Description:Detects GuLoader (inconnu, etat binaire)

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/91514/

Comments