MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 584646083fa5a0388820f74b73b123910d58b33fac1edd8da6de4122d8329843. 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



Vidar


Vendor detections: 15


Intelligence 15 IOCs YARA 16 File information Comments

SHA256 hash: 584646083fa5a0388820f74b73b123910d58b33fac1edd8da6de4122d8329843
SHA3-384 hash: 83d75f26375787ce32091cd5265f192f952966a6040feccd008a00623756edde9e2974e96dd76c0aa43aa8f4aee9f86d
SHA1 hash: 95ede5bef366a93c206e43d50bded2c4ba08d2ea
MD5 hash: e3f2314ba8a74df4b37095d6976f4f87
humanhash: gee-indigo-eight-colorado
File name:584646083fa5a0388820f74b73b123910d58b33fac1edd8da6de4122d8329843
Download: download sample
Signature Vidar
File size:1'843'040 bytes
First seen:2025-08-14 06:37:47 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 4035d2883e01d64f3e7a9dccb1d63af5 (47 x ServHelper, 20 x LummaStealer, 17 x Rhadamanthys)
ssdeep 24576:vzM2R2WVxAsT59j+sAPFK/c4h8PrbYjg8lAxDW:9Rt7l9j+pdyc4SPXM
Threatray 1 similar samples on MalwareBazaar
TLSH T18B854B82B8D625FDC1A5E272DCA56170BB32B85803393BD73A45527E4AF5AC43E3D360
gimphash d1fc94913e8e72c3b5cf4319fe133b62313a8bc00415163bc6499d7627c36b66
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
dhash icon 00e8b2d4ccccccf0 (8 x LummaStealer, 4 x Rhadamanthys, 1 x Formbook)
Reporter JAMESWT_WT
Tags:exe ExpressVPN-12-104-0-128 vidar

Intelligence


File Origin
# of uploads :
1
# of downloads :
207
Origin country :
IT IT
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
584646083fa5a0388820f74b73b123910d58b33fac1edd8da6de4122d8329843
Verdict:
Malicious activity
Analysis date:
2025-08-14 06:45:12 UTC
Tags:
vidar stealer telegram stealc api-base64

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
injection emotet virus sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Behavior that indicates a threat
Sending an HTTP GET request
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
golang invalid-signature obfuscated signed threat
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) Win 64 Exe x64
Threat name:
Win64.Trojan.LummaStealer
Status:
Malicious
First seen:
2025-08-13 17:40:35 UTC
File Type:
PE+ (Exe)
Extracted files:
12
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:vidar credential_access defense_evasion discovery spyware stealer
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Enumerates system info in registry
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Browser Information Discovery
Drops file in Windows directory
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Unsecured Credentials: Credentials In Files
Detect Vidar Stealer
Vidar
Vidar family
Verdict:
Malicious
Tags:
Win.Trojan.Bulz-9949382-0 Stealc
YARA:
n/a
Unpacked files
SH256 hash:
584646083fa5a0388820f74b73b123910d58b33fac1edd8da6de4122d8329843
MD5 hash:
e3f2314ba8a74df4b37095d6976f4f87
SHA1 hash:
95ede5bef366a93c206e43d50bded2c4ba08d2ea
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:command_and_control
Author:CD_R0M_
Description:This rule searches for common strings found by malware using C2. Based on a sample used by a Ransomware group
Rule name:DebuggerException__SetConsoleCtrl
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectGoMethodSignatures
Author:Wyatt Tauber
Description:Detects Go method signatures in unpacked Go binaries
Rule name:GoBinTest
Rule name:golang
Rule name:Golangmalware
Author:Dhanunjaya
Description:Malware in Golang
Rule name:golang_binary_string
Description:Golang strings present
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:golang_duffcopy_amd64
Rule name:HiveRansomware
Author:Dhanunjaya
Description:Yara Rule To Detect Hive V4 Ransomware
Rule name:identity_golang
Author:Eric Yocam
Description:find Golang malware
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:ProgramLanguage_Golang
Author:albertzsigovits
Description:Application written in Golang programming language
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:ThreadControl__Context
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.

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh

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