MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 1e42521ebdf483191d3df6d436b4a0a6ff0da8b384c364dbbcb8981d1b74b6d2. 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
| SHA256 hash: | 1e42521ebdf483191d3df6d436b4a0a6ff0da8b384c364dbbcb8981d1b74b6d2 |
|---|---|
| SHA3-384 hash: | 0fe1f48b7a640a549715c91a70888f274da9c5586a90f347f75df3c6631ef20d524a35e80c0c30b109489e54085f7451 |
| SHA1 hash: | 3662ddfb56b981c127d78518a5586eb7a97ec09e |
| MD5 hash: | 3e025262499991a41860b5abe632df75 |
| humanhash: | seventeen-massachusetts-bakerloo-mike |
| File name: | Purchase Inquiry # 74713.vbs |
| Download: | download sample |
| Signature | Formbook |
| File size: | 13'616 bytes |
| First seen: | 2025-04-08 05:54:14 UTC |
| Last seen: | Never |
| File type: |  vbs |
| MIME type: | text/plain |
| ssdeep | 192:2lUyyyyyyyyyyyyyE3U2GfBN8mUhmWoEXOxz4lKYCI25tHqsXfUTMf5LqrMKzI7I:attgThLOY845JSlDhPmj7wxKGDIl |
| Threatray | 4'993 similar samples on MalwareBazaar |
| TLSH | T1F452F2429C49CBE00D5FF93D9C8B78296050A3279038EE9BFAE75C9D39FF819695448C |
| Magika | vba |
| Reporter |  abuse_ch |
| Tags: | FormBook vbs |
Intelligence
File Origin
# of uploads :
1
# of downloads :
100
Origin country :
NLVendor Threat Intelligence
Detection:
n/a
Verdict:
Malicious
Score:
99.1%
Tags:
obfuscate xtreme shell
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
masquerade obfuscated obfuscated powershell
Verdict:
Malicious
Labled as:
VBS/Agent.SWW trojan
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
.NET source code references suspicious native API functions
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found direct / indirect Syscall (likely to bypass EDR)
Found malware configuration
Found suspicious powershell code related to unpacking or dynamic code loading
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: CMSTP Execution Process Creation
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: Powershell download and load assembly
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
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
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 starts Powershell (via cmd or directly)
Yara detected FormBook
Yara detected Powershell download and execute
Behaviour
Behavior Graph:
Score:
99%
Verdict:
Malware
File Type:
SCRIPT
Threat name:
Script-WScript.Trojan.GuLoader
Status:
Malicious
First seen:
2025-04-07 12:45:19 UTC
File Type:
Text (VBS)
AV detection:
8 of 24 (33.33%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 4'983 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook campaign:mtpi discovery execution rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Legitimate hosting services abused for malware hosting/C2
Checks computer location settings
Blocklisted process makes network request
Command and Scripting Interpreter: PowerShell
Formbook payload
Formbook
Formbook family
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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