MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b2e5d7b435341d3ec449b2990cf3858e0392b450e8d203c455f06e170b01a510. 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
| SHA256 hash: | b2e5d7b435341d3ec449b2990cf3858e0392b450e8d203c455f06e170b01a510 |
|---|---|
| SHA3-384 hash: | e55aece26b65981c2544f926a7a2b480b4ec894cd609636828fa48ae127676693026a80d79b0e96c02e93431ccab0582 |
| SHA1 hash: | 879272da65cca5d61e975d2a11f4a629ef9fde81 |
| MD5 hash: | 7d84b68c5635e9b25ae8545877890b0d |
| humanhash: | black-gee-mexico-india |
| File name: | ps_HkXqUUPwDulw_1777325873115.ps1 |
| Download: | download sample |
| Signature | Formbook |
| File size: | 1'429'626 bytes |
| First seen: | 2026-04-27 23:31:20 UTC |
| Last seen: | Never |
| File type: |  ps1 |
| MIME type: | text/plain |
| ssdeep | 24576:AOKKUMpVIQpACqCmvUdpypdHdP55rhvjzbt1AS2Ujtx5Zgu8R0:gwzaCG8W9P5Zb1Nv5 |
| Threatray | 2'759 similar samples on MalwareBazaar |
| TLSH | T10E6533220F086AFD5DAC572C217B196C0BF01F939C0DA7F77BAA57E64E913C5849B848 |
| Magika | powershell |
| Reporter |  BastianHein |
| Tags: | FormBook ps1 |
Intelligence
File Origin
# of uploads :
1
# of downloads :
144
Origin country :
CLVendor Threat Intelligence
No detections
Detection(s):
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
aspnet_compiler base64 base64 encrypted evasive lolbin obfuscated reconnaissance zero-day
Verdict:
Suspicious
Labled as:
PowerShell/Kryptik.MD trojan
Verdict:
Clean
File Type:
unix shell
First seen:
2026-04-27T19:13:00Z UTC
Last seen:
2026-04-28T12:22:00Z UTC
Hits:
~10
Detections:
Trojan.Win32.InjectorNetT.s PDM:Trojan.Win32.Generic
Score:
49%
Verdict:
Susipicious
File Type:
SCRIPT
Gathering data
Verdict:
Malicious
Threat:
Family.FORMBOOK
Threat name:
Script-PowerShell.Trojan.AgentTesla
Status:
Malicious
First seen:
2026-04-27 23:32:32 UTC
File Type:
Text (PowerShell)
AV detection:
10 of 24 (41.67%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 2'749 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook adware discovery execution rat spyware stealer trojan
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: PowerShell
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Badlisted process makes network request
Family: Formbook
Formbook payload
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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 |
|---|---|
| Author: | DiegoAnalytics |
| Description: | Detects attempts to inject code into another process across PE, ELF, Mach-O binaries |
| Rule name: | DebuggerCheck__GlobalFlags |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | DebuggerCheck__QueryInfo |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | DebuggerHiding__Active |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | DebuggerHiding__Thread |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | DetectEncryptedVariants |
|---|---|
| Author: | Zinyth |
| Description: | Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded |
| Rule name: | detect_powershell |
|---|---|
| Author: | daniyyell |
| Description: | Detects suspicious PowerShell activity related to malware execution |
| Rule name: | dgaagas |
|---|---|
| Author: | Harshit |
| Description: | Uses certutil.exe to download a file named test.txt |
| Rule name: | golang_bin_JCorn_CSC846 |
|---|---|
| Author: | Justin Cornwell |
| Description: | CSC-846 Golang detection ruleset |
| Rule name: | MD5_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for MD5 constants |
| Rule name: | pe_no_import_table |
|---|---|
| Description: | Detect pe file that no import table |
| Rule name: | RIPEMD160_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for RIPEMD-160 constants |
| Rule name: | SEH__vectored |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | SHA1_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for SHA1 constants |
| Rule name: | shellcode |
|---|---|
| Author: | nex |
| Description: | Matched shellcode byte patterns |
| Rule name: | Sus_CMD_Powershell_Usage |
|---|---|
| Author: | XiAnzheng |
| Description: | May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP) |
| Rule name: | TH_Win_ETW_Bypass_2025_CYFARE |
|---|---|
| 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.
No further information available
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