MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 77bbedef2cab829cc45157d48f82c6fb6cf2a5e3f191f24d7dc6d6207a9fd0d7. 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: 13


Intelligence 13 IOCs YARA 18 File information Comments
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SHA256 hash: 77bbedef2cab829cc45157d48f82c6fb6cf2a5e3f191f24d7dc6d6207a9fd0d7
SHA3-384 hash: 06107cddc73ca9def1d1f8e450c0c77af9d215251566f2d3a00f2b3e8361de85037ec80e4d390cb9455c7df3e486c76a
SHA1 hash: 04fbb63951c8b62ceb86ec0aa9f7af49cb833b0c
MD5 hash: 4b8802cb62bb378def1516358159e542
humanhash: grey-chicken-april-pip
File name:w2jrad.ps1
Download: download sample
Signature Formbook
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File size:1'454'802 bytes
First seen:2025-10-16 07:16:53 UTC
Last seen:Never
File type:PowerShell (PS) ps1
MIME type:text/plain
ssdeep 24576:cWVJi98RAZEQJtqrrvBPkbfDC43WTGy5+SztWXtSG6aOKnAnoh:lJi5ZntYrVGvGBgJOKBh
Threatray 2'126 similar samples on MalwareBazaar
TLSH T17B6533102CD66F3E08FC627C70EF5D893E531E969884ABE5328D3FE4275AB45246F126
Magika powershell
Reporter abuse_ch
Tags:FormBook ps1

Intelligence

File Origin
# of uploads :
1
# of downloads :
85
Origin country :
SE SE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.PowerShell.Obfus-10.UNOFFICIAL
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Verdict:
Malicious
Score:
97.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68f09c1904e22ce9acdab564
Tags:
ransomware vmdetect spawn virus
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm aspnet_compiler base64 evasive krypt lolbin obfuscated reconnaissance
Link:
https://www.filescan.io/uploads/68f09c8a057c46a471ced009/reports/6a0d0879-0def-4110-a276-e9cc927b92ae/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/77bbedef2cab829cc45157d48f82c6fb6cf2a5e3f191f24d7dc6d6207a9fd0d7
Verdict:
Malicious
File Type:
ps1
First seen:
2025-10-15T07:51:00Z UTC
Last seen:
2025-10-16T10:14:00Z UTC
Hits:
~10
Detections:
Trojan.Win32.InjectorNetT.s PDM:Trojan.Win32.Generic
Link:
https://opentip.kaspersky.com/77bbedef2cab829cc45157d48f82c6fb6cf2a5e3f191f24d7dc6d6207a9fd0d7/results?tab=lookup
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1796306
Signature
AI detected malicious Powershell script
Antivirus detection for URL or domain
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)
Suricata IDS alerts for network traffic
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)
Writes to foreign memory regions
Yara detected FormBook
Yara detected MSILLoadEncryptedAssembly
Yara detected Powershell decode and execute
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1796306 Sample: w2jrad.ps1 Startdate: 16/10/2025 Architecture: WINDOWS Score: 100 32 www.xrpitch.xyz 2->32 34 www.78451658.xyz 2->34 36 10 other IPs or domains 2->36 44 Suricata IDS alerts for network traffic 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 Antivirus detection for URL or domain 2->48 52 6 other signatures 2->52 10 powershell.exe 22 2->10         started        signatures3 50 Performs DNS queries to domains with low reputation 34->50 process4 signatures5 62 Writes to foreign memory regions 10->62 64 Injects a PE file into a foreign processes 10->64 13 aspnet_compiler.exe 10->13         started        16 conhost.exe 10->16         started        18 aspnet_compiler.exe 10->18         started        20 31 other processes 10->20 process6 signatures7 66 Maps a DLL or memory area into another process 13->66 22 OuKnTvTfKjwN.exe 13->22 injected process8 process9 24 SearchProtocolHost.exe 13 22->24         started        signatures10 54 Tries to steal Mail credentials (via file / registry access) 24->54 56 Tries to harvest and steal browser information (history, passwords, etc) 24->56 58 Modifies the context of a thread in another process (thread injection) 24->58 60 3 other signatures 24->60 27 U92c79RpQKgB.exe 24->27 injected 30 firefox.exe 24->30         started        process11 dnsIp12 38 www.turbonest.website 199.192.23.195, 49706, 49707, 49708 NAMECHEAP-NETUS United States 27->38 40 www.78451658.xyz 5.189.151.248, 49711, 49712, 49713 CONTABODE Germany 27->40 42 6 other IPs or domains 27->42
Score:
97%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/77bbedef2cab829cc45157d48f82c6fb6cf2a5e3f191f24d7dc6d6207a9fd0d7
Verdict:
inconclusive
YARA:
1 match(es)
Tags:
Base64 Block Contains Base64 Block PowerShell
Link:
https://app.malva.re/file/4b8802cb62bb378def1516358159e542
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/77bbedef2cab829cc45157d48f82c6fb6cf2a5e3f191f24d7dc6d6207a9fd0d7/
Verdict:
Malicious
Threat:
Family.FORMBOOK
Link:
https://tip.neiki.dev/file/77bbedef2cab829cc45157d48f82c6fb6cf2a5e3f191f24d7dc6d6207a9fd0d7
Threat name:
Script-PowerShell.Backdoor.Remcos
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Status:
Malicious
First seen:
2025-10-15 16:54:55 UTC
File Type:
Text (PowerShell)
AV detection:
15 of 37 (40.54%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=o65633zmvobjzrcrk7ki7awg7nwpfjpd6gi7etl5y3lca6u72dlq._file
Verdict:
malicious
Label(s):
formbook
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Similar samples:
29688877a36107747d055f72f6760d360a6f3715ef32d90f46815838b56e18dc
Formbook
542cc164aa04d17dcb1abc62c982d85db3774587b08af2c13e97aba02d164562
Formbook
95c305c5d89970d7d4fbbe0649543d2286d21c678af50ef80ceebb360b0a3cbf
Formbook
9ea3132e269bb19d4424f64b55907e533a39e4e4587932f37be3cbe2e0984d89
Formbook
ad0a87e7d15323230f7732b7d734abe976d5e6b4e32ec086e7892ca0f67acfe7
Formbook
ae8ef5ed53654de05a32d157f76dfbdc2e734f842c3b815ec2ef5f37fd24f157
Formbook
b0be564eb26f9cf2f58ea450d43194f3a4fb7dd2ca16375e3ecbfd636e5e7c13
Formbook
e598b89b04fa29abdfdad5eca57c05401680597c5999160bc2963bcb5c2cf4f3
Formbook
error
Formbook
fc039ad25b39ddf44318da5677c76c4273df5b74c5f9988985d7458c816c4dbc
Formbook
+ 2'116 additional samples on MalwareBazaar
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook adware discovery execution rat spyware stealer trojan
Link:
https://tria.ge/reports/251016-h5n1xsav9d/
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
Formbook payload
Formbook
Formbook family
Malware family:
FormBook
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/77bbedef2cab/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/77bbedef2cab829cc45157d48f82c6fb6cf2a5e3f191f24d7dc6d6207a9fd0d7

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
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Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__GlobalFlags
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Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
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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
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Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:dgaagas
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Author:Harshit
Description:Uses certutil.exe to download a file named test.txt
Rule name:golang_bin_JCorn_CSC846
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Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:MD5_Constants
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Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:pe_no_import_table
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Description:Detect pe file that no import table
Rule name:RANSOMWARE
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Author:ToroGuitar
Rule name:RIPEMD160_Constants
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Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
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Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
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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
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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
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Author:CYFARE
Description:Windows ETW Bypass Detection Rule - 2025
Reference:https://cyfare.net/
Rule name:vmdetect
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Author:nex
Description:Possibly employs anti-virtualization techniques

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 77bbedef2cab829cc45157d48f82c6fb6cf2a5e3f191f24d7dc6d6207a9fd0d7

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3678781/
  
Delivery method
Distributed via web download

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