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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b08c1c00c075cbada18a85e77b2f2796ebc11d480ef4c1faf26f489f787ddec4. 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: 6


Intelligence 6 IOCs YARA 17 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b08c1c00c075cbada18a85e77b2f2796ebc11d480ef4c1faf26f489f787ddec4
SHA3-384 hash: f23ca3467adf3a8e6c9bab785ff6723fe817b65f5faa9411aaffd7046facdc09cbe6a0a49f735aeb87cc13964382d5bf
SHA1 hash: 5151003e9a3b997a38694a3f15b2fa0a86e8eca6
MD5 hash: 4ae708688172fa31d05e4ce356ab2b22
humanhash: whiskey-paris-sad-golf
File name:b08c1c00c075cbada18a85e77b2f2796ebc11d480ef4c1faf26f489f787ddec4.bin
Download: download sample
Signature Formbook
Create hunting rule
File size:1'530'409 bytes
First seen:2026-10-01 18:28:52 UTC
Last seen:Never
File type:PowerShell (PS) ps1
MIME type:text/plain
ssdeep 24576:u1JPBUFbGEYcNoMoxIGyI5gPiwRyCY/hyf3STOwn38hh:eX7ZYuennL
TLSH T178652338D51DB6CE0606E6FFB668F85AF1E62393084A172312BF837931F08651D6BD61
Magika powershell
Reporter whack_sh
Tags:FormBook ps1

Intelligence

File Origin
# of uploads :
1
# of downloads :
24
Origin country :
US US
Vendor Threat Intelligence
No detections
Verdict:
Malicious
File Type:
ps1
First seen:
2026-09-30T21:44:00Z UTC
Last seen:
2026-10-02T18:31:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/b08c1c00c075cbada18a85e77b2f2796ebc11d480ef4c1faf26f489f787ddec4/results?tab=lookup
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1981131
Signature
Antivirus detection for URL or domain
Found direct / indirect Syscall (likely to bypass EDR)
Injects a PE file into a foreign processes
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)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
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)
Writes to foreign memory regions
Yara detected FormBook
Yara detected Powershell decode and execute
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1981131 Sample: zw7jL3079z.ps1 Startdate: 02/10/2026 Architecture: WINDOWS Score: 100 29 www.45029605.xyz 2->29 31 www.topvizitka.cz 2->31 33 19 other IPs or domains 2->33 57 Malicious sample detected (through community Yara rule) 2->57 59 Antivirus detection for URL or domain 2->59 61 Multi AV Scanner detection for submitted file 2->61 65 4 other signatures 2->65 8 powershell.exe 20 2->8         started        11 RRTLbXZRiHF.exe 2->11 injected 13 F82NiCwXyVqLK.exe 2->13 injected signatures3 63 Performs DNS queries to domains with low reputation 29->63 process4 dnsIp5 67 Writes to foreign memory regions 8->67 69 Injects a PE file into a foreign processes 8->69 16 CasPol.exe 8->16         started        19 CasPol.exe 8->19         started        21 conhost.exe 8->21         started        25 26 other processes 8->25 23 convert.exe 13 11->23         started        35 www.45029605.xyz 107.167.29.215, 49732, 49733, 49734 SHARKTECH-SharktechUS United States 13->35 37 www.miralink.online 178.210.92.188, 49716, 49717, 49718 RU-CENTERRU Russia 13->37 39 12 other IPs or domains 13->39 signatures6 process7 signatures8 41 Maps a DLL or memory area into another process 16->41 43 Queues an APC in another process (thread injection) 16->43 45 Found direct / indirect Syscall (likely to bypass EDR) 16->45 47 Unusual module load detection (module proxying) 19->47 49 Switches to a custom stack to bypass stack traces 19->49 51 Tries to steal Mail credentials (via file / registry access) 23->51 53 Tries to harvest and steal browser information (history, passwords, etc) 23->53 55 Modifies the context of a thread in another process (thread injection) 23->55 27 firefox.exe 23->27         started        process9
Score:
87%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/b08c1c00c075cbada18a85e77b2f2796ebc11d480ef4c1faf26f489f787ddec4
Verdict:
inconclusive
YARA:
1 match(es)
Tags:
PowerShell T1059.001
Link:
https://app.malva.re/file/4ae708688172fa31d05e4ce356ab2b22
Gathering data
Threat name:
Script-PowerShell.Trojan.DCRat
Create hunting rule
Status:
Malicious
First seen:
2026-10-01 16:38:18 UTC
File Type:
Text (PowerShell)
AV detection:
13 of 38 (34.21%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wcgbyagaoxf23imkqxtxwlzhs3v4chkib32md6xsn5ej66d533ca._file
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:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__GlobalFlags
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:dgaagas
Create hunting rule
Author:Harshit
Description:Uses certutil.exe to download a file named test.txt
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
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)
Rule name:telebot_framework
Create hunting rule
Author:vietdx.mb
Rule name:TH_Win_ETW_Bypass_2025_CYFARE
Create hunting rule
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.

Web download

Formbook

PowerShell (PS) ps1 b08c1c00c075cbada18a85e77b2f2796ebc11d480ef4c1faf26f489f787ddec4

(this sample)

  
Delivery method
Distributed via web download

Comments