MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6b4ef1e6154069d6fabe151810017f7333dc41c8febbdcefc93c1d6358cfb278. 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: 16


Intelligence 16 IOCs YARA 25 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6b4ef1e6154069d6fabe151810017f7333dc41c8febbdcefc93c1d6358cfb278
SHA3-384 hash: 265b81b5b495a4faa7655f19d6ad52e1ac3b2233558205f75a24bd5f87dc623629b9df0c52d3b298639cad52234b0379
SHA1 hash: debcff99a2aeaeb745cc0e3e0a62a91a4c2d2e38
MD5 hash: 249a7e5f1e1c3af2b97f6fd30ae62558
humanhash: table-glucose-bacon-summer
File name:file
Download: download sample
Signature Vidar
Create hunting rule
File size:203'264 bytes
First seen:2025-12-25 19:31:14 UTC
Last seen:2025-12-25 21:57:44 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 31e06ec6723bcc3b75c69a4521e4b8f5 (43 x Vidar)
ssdeep 6144:+cw2IhvOvuXYadYBnqdICbot4NeQqBtVAGxd3:+52IhvOvuXY6d38mRMT3
TLSH T1CD14122CD7B0CD8AE1A6C134C1BE0F18FD13A91FDFD42C9EBAC35832B6556551E81AA0
TrID 58.0% (.EXE) UPX compressed Win64 Executable (70117/5/12)
22.3% (.EXE) UPX compressed Win32 Executable (27066/9/6)
8.7% (.EXE) Win64 Executable (generic) (10522/11/4)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
1.7% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter Bitsight
Tags:dropped-by-amadey exe fbf543 UPX vidar


Avatar
Bitsight
url: http://130.12.180.43/files/mr/random.exe
File size (compressed) :203'264 bytes
File size (de-compressed) :580'096 bytes
Format:win64/pe
Unpacked file: e6ca66f6fe791d177c4db47b8771a074dce49bf9f3a6bac3d19ffef3cca737ab

Intelligence

File Origin
# of uploads :
5
# of downloads :
96
Origin country :
US US
Vendor Threat Intelligence
Malware configuration found for:
PEPacker
Details
PEPacker
a UPX version number and an unpacked binary
Link:
https://research.acce.ciphertechsolutions.com/results/01031005-9c01-4a5e-a2fd-d12c398f3a91/
Malware family:
vidar
Create hunting rule
ID:
1
File name:
6b4ef1e6154069d6fabe151810017f7333dc41c8febbdcefc93c1d6358cfb278.bin.exe
Verdict:
Malicious activity
Analysis date:
2025-12-25 19:34:32 UTC
Tags:
stealer stealc vidar upx xor-url generic
Link:
https://app.any.run/tasks/5ccbecc4-9a68-41a2-99f4-a7e6f93b5710

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/46084/
Verdict:
Malicious
Score:
97.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=694d910801c7b4a8fe55cbd3
Tags:
ransomware obfuscated emotet small
Verdict:
Malicious
Labled as:
HVM:TrojanDownloader/Lotok.ds
Link:
https://www.hybrid-analysis.com/sample/6b4ef1e6154069d6fabe151810017f7333dc41c8febbdcefc93c1d6358cfb278
Verdict:
Malicious
File Type:
exe x64
First seen:
2025-12-25T16:43:00Z UTC
Last seen:
2025-12-27T09:45:00Z UTC
Hits:
~100
Detections:
UDS:DangerousObject.Multi.Generic VHO:Trojan.Win32.GenericML.xnet VHO:Trojan-PSW.Win32.Convagent.gen
Link:
https://opentip.kaspersky.com/6b4ef1e6154069d6fabe151810017f7333dc41c8febbdcefc93c1d6358cfb278/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/4871cf96-c3f3-44fc-bedf-42025452f48d
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/6b4ef1e6154069d6fabe151810017f7333dc41c8febbdcefc93c1d6358cfb278
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Link:
https://app.malva.re/file/249a7e5f1e1c3af2b97f6fd30ae62558
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6b4ef1e6154069d6fabe151810017f7333dc41c8febbdcefc93c1d6358cfb278/
Verdict:
Malicious
Threat:
Family.STEALC
Link:
https://tip.neiki.dev/file/6b4ef1e6154069d6fabe151810017f7333dc41c8febbdcefc93c1d6358cfb278
Threat name:
Win64.Trojan.Vidar
Create hunting rule
Status:
Malicious
First seen:
2025-12-25 20:20:39 UTC
AV detection:
16 of 38 (42.11%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=nnhpdzqvibu5n6v6cumbaal7omz5yqoi7255z36jhqowgwgpwj4a._file
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:vidar defense_evasion discovery spyware stealer trojan upx
Link:
https://tria.ge/reports/251225-x8hqmszqel/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Browser Information Discovery
System Time Discovery
Suspicious use of SetThreadContext
UPX packed file
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:
Malicious
Tags:
Stealc
YARA:
n/a
Link:
https://app.threat.zone/submission/ef9a4444-225f-4c5d-9c20-25be026990b7
Unpacked files
SH256 hash:
6b4ef1e6154069d6fabe151810017f7333dc41c8febbdcefc93c1d6358cfb278
MD5 hash:
249a7e5f1e1c3af2b97f6fd30ae62558
SHA1 hash:
debcff99a2aeaeb745cc0e3e0a62a91a4c2d2e38
Link:
https://www.unpac.me/results/c9470329-0fd8-44f4-8423-d9244ab49788/
SH256 hash:
e6ca66f6fe791d177c4db47b8771a074dce49bf9f3a6bac3d19ffef3cca737ab
MD5 hash:
012329ea776f95bcf3b893d048b8432d
SHA1 hash:
53ed651cc828c89352c9803bdfc83e68565f5677
Detections:
win_bazarbackdoor_auto
Create hunting rule
SUSP_XORed_URL_In_EXE
Create hunting rule
SUSP_XORed_Mozilla
Create hunting rule
Link:
https://www.unpac.me/results/c9470329-0fd8-44f4-8423-d9244ab49788/
Parent samples :
6b4ef1e6154069d6fabe151810017f7333dc41c8febbdcefc93c1d6358cfb278
e6ca66f6fe791d177c4db47b8771a074dce49bf9f3a6bac3d19ffef3cca737ab
Malware family:
Vidar
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/6b4ef1e61540/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/6b4ef1e6154069d6fabe151810017f7333dc41c8febbdcefc93c1d6358cfb278

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
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:DebuggerHiding__Active
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:FreddyBearDropper
Create hunting rule
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:grakate_stealer_nov_2021
Create hunting rule
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:SUSP_XORed_Mozilla_Oct19
Create hunting rule
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
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:upx_largefile
Create hunting rule
Author:k3nr9
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 6b4ef1e6154069d6fabe151810017f7333dc41c8febbdcefc93c1d6358cfb278

(this sample)

Executable exe e6ca66f6fe791d177c4db47b8771a074dce49bf9f3a6bac3d19ffef3cca737ab

  
Dropped by
Amadey
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3743590/
Cape
Cape
https://www.capesandbox.com/analysis/46084/
  
Dropping
SHA256 e6ca66f6fe791d177c4db47b8771a074dce49bf9f3a6bac3d19ffef3cca737ab
  
Dropping
MD5 012329ea776f95bcf3b893d048b8432d

Comments