MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b8b3d3669b85630670052d53fe189875e91eda44ae60aaf36f7135f51e113b8d. 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
Threat unknown
Vendor detections: 12
| SHA256 hash: | b8b3d3669b85630670052d53fe189875e91eda44ae60aaf36f7135f51e113b8d |
|---|---|
| SHA3-384 hash: | c411ea3c439b7ae83fd766095da7481ce70bbe9bd984569d5e60f7a2dea3165ac1fd0025fb6e5c9a069ddfc27307a108 |
| SHA1 hash: | b951ac7b9596aa5aff256e0a74fddbe7b22d2fad |
| MD5 hash: | c597d08aacba2e7dc2f363cac34ff89e |
| humanhash: | sierra-ack-zebra-island |
| File name: | file |
| Download: | download sample |
| File size: | 421'176 bytes |
| First seen: | 2025-11-12 13:45:48 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | eaed6c102723330cc21072da5f916b52 |
| ssdeep | 6144:lgKZVOwl7PvDNOHQFKa72xB/XBaV7/5Mjswi:JZVNzvgHYKQ2JaV7xMjM |
| Threatray | 1'568 similar samples on MalwareBazaar |
| TLSH | T1E6947D26FBD15CF8D097C07483528532A672B8C90B21EAFF13A852252F66AF15F3DB15 |
| TrID | 48.7% (.EXE) Win64 Executable (generic) (10522/11/4) 23.3% (.EXE) Win16 NE executable (generic) (5038/12/1) 9.3% (.EXE) OS/2 Executable (generic) (2029/13) 9.2% (.EXE) Generic Win/DOS Executable (2002/3) 9.2% (.EXE) DOS Executable Generic (2000/1) |
| Magika | pebin |
| Reporter |  Bitsight |
| Tags: | dropped-by-amadey exe fbf543 signed |
Code Signing Certificate
| Organisation: | eO4yaYlN |
|---|---|
| Issuer: | eO4yaYlN |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | 2025-11-11T20:35:27Z |
| Valid to: | 2026-11-11T20:45:26Z |
| Serial number: | 173c004df978d18c467b871d479ffe9d |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | bed64f17c9b6807964faa20d710abd5ae332873b0d112e1fcc2737cfc525692d |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
1
# of downloads :
102
Origin country :
USVendor Threat Intelligence
Malware family:
vidar
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2025-11-12 13:47:44 UTC
Tags:
anti-evasion susp-powershell powerview tool stealer stealc vidar rat remcos remote evasion telegram
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Verdict:
Malicious
Score:
94.9%
Tags:
obfuscate emotet xtreme shell
Result
Verdict:
Malware
Maliciousness:
Behaviour
Сreating synchronization primitives
Sending a custom TCP request
Setting a global event handler
Setting a global event handler for the keyboard
Gathering data
Verdict:
Malicious
Labled as:
Win64/Agent.HED trojan
Verdict:
Unknown
File Type:
exe x64
First seen:
2025-11-12T11:58:00Z UTC
Last seen:
2025-11-12T12:29:00Z UTC
Hits:
~10
Verdict:
Suspicious
Score:
88%
Verdict:
Malware
File Type:
PE
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PDB Path PE (Portable Executable) PE File Layout Win 64 Exe x64
Threat name:
Win64.Trojan.Generic
Status:
Suspicious
First seen:
2025-11-12 13:46:27 UTC
File Type:
PE+ (Exe)
Extracted files:
1
AV detection:
10 of 24 (41.67%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
donutloader
Similar samples:
+ 1'558 additional samples on MalwareBazaar
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
b8b3d3669b85630670052d53fe189875e91eda44ae60aaf36f7135f51e113b8d
MD5 hash:
c597d08aacba2e7dc2f363cac34ff89e
SHA1 hash:
b951ac7b9596aa5aff256e0a74fddbe7b22d2fad
Verdict:
Malicious
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: | Check_Debugger |
|---|
| Rule name: | cobalt_strike_tmp01925d3f |
|---|---|
| Author: | The DFIR Report |
| Description: | files - file ~tmp01925d3f.exe |
| Reference: | https://thedfirreport.com |
| Rule name: | DebuggerCheck__API |
|---|---|
| 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: | DebuggerCheck__RemoteAPI |
|---|---|
| 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: | golang_bin_JCorn_CSC846 |
|---|---|
| Author: | Justin Cornwell |
| Description: | CSC-846 Golang detection ruleset |
| Rule name: | pe_detect_tls_callbacks |
|---|
| Rule name: | PE_Digital_Certificate |
|---|---|
| Author: | albertzsigovits |
| Rule name: | SEH__vectored |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
exe b8b3d3669b85630670052d53fe189875e91eda44ae60aaf36f7135f51e113b8d
(this sample)
Dropped by
Amadey
Delivery method
Distributed via web download
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