MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 87ab4bb2afbe5ae4588263edcc9aad2ea8687da31272f51a22ff70228715950f. 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 21 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 87ab4bb2afbe5ae4588263edcc9aad2ea8687da31272f51a22ff70228715950f
SHA3-384 hash: 610d6ede55baf8db03611893c229ce35d5ca703d001a00cf87e2bf465c091bdc611af32d48eb79d5ef327d5f02a38958
SHA1 hash: 3851c94ad18373fb5f2adf1c4d991f74599fed39
MD5 hash: fab2a648c0b0aa4e4a75d1de7bc49ed5
humanhash: lion-maine-monkey-may
File name:file
Download: download sample
Signature Vidar
Create hunting rule
File size:894'976 bytes
First seen:2025-12-23 15:27:31 UTC
Last seen:2025-12-23 16:36:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 24576:f0gpGcmXaS8mMksfK2r+iyFLp1v/jt8PLJLoGt:PGVf8mO1+iQb6TJ
TLSH T15A1512E02F69B712DDB91FB049A0CD3493B50E6A7006FAC759E96FCB37987028558B07
TrID 56.5% (.EXE) Win64 Executable (generic) (10522/11/4)
11.0% (.ICL) Windows Icons Library (generic) (2059/9)
10.9% (.EXE) OS/2 Executable (generic) (2029/13)
10.7% (.EXE) Generic Win/DOS Executable (2002/3)
10.7% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
Reporter Bitsight
Tags:b dropped-by-gcleaner exe TWO.file vidar


Avatar
Bitsight
url: http://194.38.20.224/service

Intelligence

File Origin
# of uploads :
5
# of downloads :
96
Origin country :
US US
Vendor Threat Intelligence
No detections
Malware family:
vidar
Create hunting rule
ID:
1
File name:
22c24773bdb7fd649a9a3ced5024d8ad211a45ce3ec2804547f5a92afcd42a41.bin.exe
Verdict:
Malicious activity
Analysis date:
2025-12-23 14:43:20 UTC
Tags:
auto generic gcleaner loader stealer stealc vidar xor-url
Link:
https://app.any.run/tasks/d6b88b9e-faa7-4883-8b0f-1075d49a2b36

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/45866/
Verdict:
Malicious
Score:
90.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=694ab50f01c7b4a8fe550cea
Tags:
emotet small virus
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
krypt packed
Link:
https://www.filescan.io/uploads/694ab50c3f8fdbf8e9501cda/reports/03e44819-a856-4661-8fd9-6c7d86da95b0/overview
Verdict:
Malicious
Labled as:
W64/MSIL_Kryptik.MUC.gen
Link:
https://www.hybrid-analysis.com/sample/87ab4bb2afbe5ae4588263edcc9aad2ea8687da31272f51a22ff70228715950f
Verdict:
Malicious
File Type:
exe x64
First seen:
2025-12-23T12:47:00Z UTC
Last seen:
2025-12-24T23:28:00Z UTC
Hits:
~100
Detections:
Trojan.MSIL.Taskun.sb Trojan.MSIL.Crypt.sb Trojan-PSW.Vidar.HTTP.C&C Trojan-PSW.Stealerc.TCP.C&C Trojan-PSW.Stealerc.HTTP.C&C HEUR:Trojan.MSIL.Taskun.gen
Link:
https://opentip.kaspersky.com/87ab4bb2afbe5ae4588263edcc9aad2ea8687da31272f51a22ff70228715950f/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/e465a2a9-33d7-496c-95b2-e96a21cfa2fd
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/87ab4bb2afbe5ae4588263edcc9aad2ea8687da31272f51a22ff70228715950f
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.13 Win 64 Exe x64
Link:
https://app.malva.re/file/fab2a648c0b0aa4e4a75d1de7bc49ed5
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/87ab4bb2afbe5ae4588263edcc9aad2ea8687da31272f51a22ff70228715950f/
Verdict:
Malicious
Threat:
Family.STEALC
Link:
https://tip.neiki.dev/file/87ab4bb2afbe5ae4588263edcc9aad2ea8687da31272f51a22ff70228715950f
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2025-12-23 15:28:15 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
4
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=q6vuxmvpxznoiwecmpw4zgvnf2ugq7ndcjzpkgrc75ycfbyvsuhq._file
Verdict:
malicious
Label(s):
unc_loader_037
Create hunting rule
Similar samples:
error
Vidar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:vidar discovery spyware stealer
Link:
https://tria.ge/reports/251223-trpwvawmgw/
Behaviour
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Checks installed software on the system
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Detects Vidar Stealer
Vidar
Vidar family
Verdict:
Suspicious
Tags:
Stealc
YARA:
n/a
Link:
https://app.threat.zone/submission/ee8f287f-ecb6-4fff-b89b-e2681e7b38be
Unpacked files
SH256 hash:
87ab4bb2afbe5ae4588263edcc9aad2ea8687da31272f51a22ff70228715950f
MD5 hash:
fab2a648c0b0aa4e4a75d1de7bc49ed5
SHA1 hash:
3851c94ad18373fb5f2adf1c4d991f74599fed39
Link:
https://www.unpac.me/results/f54671bd-091c-48b6-9471-46aa44cffa9c/
Malware family:
Vidar
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/87ab4bb2afbe/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.49
Link:
https://yomi.yoroi.company/submissions/87ab4bb2afbe5ae4588263edcc9aad2ea8687da31272f51a22ff70228715950f

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
Create hunting rule
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: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:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:SUSP_XORed_URL_In_EXE
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:SUSP_XORed_URL_in_EXE_RID2E46
Create hunting rule
Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
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 87ab4bb2afbe5ae4588263edcc9aad2ea8687da31272f51a22ff70228715950f

(this sample)

  
Dropped by
Gcleaner
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/45866/

Comments