MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1b31fa0742d0bdef10996267d2dfd421e2c665b4b5a9b6ae3b30813eef31e352. 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: 13


Intelligence 13 IOCs YARA 29 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1b31fa0742d0bdef10996267d2dfd421e2c665b4b5a9b6ae3b30813eef31e352
SHA3-384 hash: 9ed12199e8cb968f1972c0e1f542f60508b1dcccc76ac70ed736c320098f6a3224e7a167ed472115e9069d8cb10e7a8d
SHA1 hash: d10fd8c698f00cf360d95744103e12fa0855a955
MD5 hash: 6d436e8784e387f7cf905801240c4b5f
humanhash: blossom-lactose-washington-tennessee
File name:file
Download: download sample
Signature Vidar
Create hunting rule
File size:10'909'824 bytes
First seen:2025-12-31 07:06:26 UTC
Last seen:2026-01-02 15:05:47 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash c7269d59926fa4252270f407e4dab043 (46 x Hive, 23 x ServHelper, 22 x CobaltStrike)
ssdeep 49152:5JkZ4oXrb/TTvO90dL3BmAFd4A64nsfJQ6ymdcHh7+dapxbxsP/VdCuQQcHa1HCd:5JZmfET54eHN3JunbR
TLSH T18DB64AD3EE444229DA9FD33AD8A162456230B145137212D77FA60BA69D0BBC4173FB2F
gimphash bf19576e4a1fe874733df1f3a412ca250d17c7cacb735b5e29a1f8b9fc810137
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:c dropped-by-gcleaner exe MIX3.file signed vidar

Code Signing Certificate

Organisation:grow.com
Issuer:WE1
Algorithm:sha256WithRSAEncryption
Valid from:2025-11-21T23:44:32Z
Valid to:2026-02-20T00:44:26Z
Serial number: a0c0680c1915308b0dfaabf8f6945ff3
Intelligence: 35 malware samples on MalwareBazaar are signed with this code signing certificate
Thumbprint Algorithm:SHA256
Thumbprint: f293e23db7b31d784c1487b358a7e674cbef2d3d4929d1efcec260dc91e9c74f
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform


Avatar
Bitsight
url: http://194.38.20.224/service

Intelligence

File Origin
# of uploads :
20
# of downloads :
153
Origin country :
US US
Vendor Threat Intelligence
Malware configuration found for:
Going
Details
Link:
https://research.acce.ciphertechsolutions.com/results/cf05ee87-c833-4b71-861e-0217b31ab506/
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2025-12-31 07:07:36 UTC
Tags:
golang xor-url generic
Link:
https://app.any.run/tasks/e9d1aa2a-d854-451b-a0ac-0cb39108f54d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/46632/
Detection(s):
Win.Malware.Wingo-9956994-0
Create hunting rule

Verdict:
Malicious
Score:
97.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6954cba0e148d42004de1162
Tags:
ransomware emotet small virus
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/1b31fa0742d0bdef10996267d2dfd421e2c665b4b5a9b6ae3b30813eef31e352
Verdict:
Malicious
File Type:
exe x64
First seen:
2025-12-31T00:51:00Z UTC
Last seen:
2026-01-01T18:09:00Z UTC
Hits:
~100
Detections:
Trojan-PSW.Win32.Vidar.d Trojan.Win64.Agent.sb Trojan-PSW.Win32.Vidar.fkh
Link:
https://opentip.kaspersky.com/1b31fa0742d0bdef10996267d2dfd421e2c665b4b5a9b6ae3b30813eef31e352/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/94f672f2-6e6e-40c2-970d-391af613c83c
Score:
58%
Verdict:
Susipicious
File Type:
PE
Link:
https://malprob.io/report/1b31fa0742d0bdef10996267d2dfd421e2c665b4b5a9b6ae3b30813eef31e352
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Link:
https://app.malva.re/file/6d436e8784e387f7cf905801240c4b5f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1b31fa0742d0bdef10996267d2dfd421e2c665b4b5a9b6ae3b30813eef31e352/
Verdict:
Malicious
Threat:
Family.STEALC
Link:
https://tip.neiki.dev/file/1b31fa0742d0bdef10996267d2dfd421e2c665b4b5a9b6ae3b30813eef31e352
Threat name:
Win64.Spyware.Vidar
Create hunting rule
Status:
Suspicious
First seen:
2025-12-31 07:07:13 UTC
File Type:
PE+ (Exe)
AV detection:
17 of 38 (44.74%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=dmy7ub2c2c666eezmjt5fx6uehrmmznuwwu3nlr3gcat53zr4nja._file
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:vidar stealer
Link:
https://tria.ge/reports/260106-n386zag12g/
Behaviour
Detects Vidar Stealer
Vidar
Vidar family
Verdict:
Malicious
Tags:
Win.Malware.Wingo-9956994-0
YARA:
n/a
Link:
https://app.threat.zone/submission/efda3ade-acca-48aa-99b6-a7228a4b4aa3
Unpacked files
SH256 hash:
1b31fa0742d0bdef10996267d2dfd421e2c665b4b5a9b6ae3b30813eef31e352
MD5 hash:
6d436e8784e387f7cf905801240c4b5f
SHA1 hash:
d10fd8c698f00cf360d95744103e12fa0855a955
Link:
https://www.unpac.me/results/3a6e7a6a-185f-4d91-b333-fd5c70bc448b/
Malware family:
Vidar
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1b31fa0742d0/report/overview.html
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
Create hunting rule
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: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__API
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:DebuggerCheck__RemoteAPI
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
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:dependsonpythonailib
Create hunting rule
Author:Tim Brown
Description:Hunts for dependencies on Python AI libraries
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:DetectGoMethodSignatures
Create hunting rule
Author:Wyatt Tauber
Description:Detects Go method signatures in unpacked Go binaries
Rule name:dgaagas
Create hunting rule
Author:Harshit
Description:Uses certutil.exe to download a file named test.txt
Rule name:GoBinTest
Create hunting rule
Rule name:golang
Create hunting rule
Rule name:Golangmalware
Create hunting rule
Author:Dhanunjaya
Description:Malware in Golang
Rule name:golang_binary_string
Create hunting rule
Description:Golang strings present
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:golang_duffcopy_amd64
Create hunting rule
Rule name:Golang_Find_CSC846
Create hunting rule
Author:Ashar Siddiqui
Description:Find Go Signatuers
Rule name:Golang_Find_CSC846_Simple
Create hunting rule
Author:Ashar Siddiqui
Description:Find Go Signatuers
Rule name:HiveRansomware
Create hunting rule
Author:Dhanunjaya
Description:Yara Rule To Detect Hive V4 Ransomware
Rule name:identity_golang
Create hunting rule
Author:Eric Yocam
Description:find Golang malware
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:ProgramLanguage_Golang
Create hunting rule
Author:albertzsigovits
Description:Application written in Golang programming language
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Suspicious_Golang_Binary
Create hunting rule
Author:Tim Machac
Description:Triage: Golang-compiled binary with suspicious OS/persistence/network strings (not family-specific)
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:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:win_bazarbackdoor_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.bazarbackdoor.

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Vidar

Executable exe 1b31fa0742d0bdef10996267d2dfd421e2c665b4b5a9b6ae3b30813eef31e352

(this sample)

  
Dropped by
Gcleaner
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/46632/

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