MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fc1ef6b3e54b674a094befeac22c4ae6b4e1d45b737346d05e36a56682aa0a5a. 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 24 File information Comments

SHA256 hash: fc1ef6b3e54b674a094befeac22c4ae6b4e1d45b737346d05e36a56682aa0a5a
SHA3-384 hash: 9edd3d81d5b80e7c000debe853cdd14aa57b0e65d2f185a77e1a20c359774c105dbf47f7674312cc41214f26df173b5d
SHA1 hash: 3bcb65a139b14ec0c47230e485191fc57e5fd781
MD5 hash: cb7367db6eff56322187b06f5f86a56f
humanhash: ceiling-angel-four-stairway
File name:file
Download: download sample
Signature Vidar
File size:3'447'928 bytes
First seen:2025-11-13 17:39:55 UTC
Last seen:2025-11-14 00:14:11 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash d42595b695fc008ef2c56aabd8efd68e (239 x Vidar, 92 x Rhadamanthys, 89 x Stealc)
ssdeep 49152:RGpXFEXTXJ8XscNXjFnTu/8TDTk1UV8pCzwMIxEknqN4/v4p7:RTahIsd
TLSH T144F57B572D918DB9F4A6A234C8F26142BB74BC080B72A7D37F107AB92F72BC04571769
TrID 37.3% (.EXE) Win64 Executable (generic) (10522/11/4)
17.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
15.9% (.EXE) Win32 Executable (generic) (4504/4/1)
7.3% (.ICL) Windows Icons Library (generic) (2059/9)
7.2% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
dhash icon ccf033333330cccc (1 x Vidar)
Reporter Bitsight
Tags:dropped-by-amadey exe fbf543 vidar


Avatar
Bitsight
url: http://178.16.54.200/files/5222311384/5uGxsDo.exe

Intelligence


File Origin
# of uploads :
8
# of downloads :
115
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2025-11-13 17:40:46 UTC
Tags:
xor-url generic golang

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
vmdetect emotet cobalt
Result
Verdict:
Clean
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Behavior that indicates a threat
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm anti-vm expired-cert golang invalid-signature signed
Verdict:
Malicious
File Type:
exe x64
First seen:
2025-11-13T14:56:00Z UTC
Last seen:
2025-11-14T10:24:00Z UTC
Hits:
~100
Detections:
VHO:Trojan.Win64.Convagent.gen VHO:Trojan.Win64.Agent.gen Trojan.Win64.Agent.smewcb Trojan.Win64.Agent.sb
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Threat name:
Win64.Spyware.Vidar
Status:
Suspicious
First seen:
2025-11-13 17:40:39 UTC
File Type:
PE+ (Exe)
Extracted files:
9
AV detection:
17 of 38 (44.74%)
Threat level:
  2/5
Result
Malware family:
Score:
  10/10
Tags:
family:vidar botnet:97d0bb4acd1bf614291da33c75391060 discovery spyware stealer
Behaviour
Checks processor information in registry
Enumerates system info in registry
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
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
Malware Config
C2 Extraction:
https://steamcommunity.com/profiles/76561198770591383
Verdict:
Malicious
Tags:
Stealc
YARA:
n/a
Unpacked files
SH256 hash:
fc1ef6b3e54b674a094befeac22c4ae6b4e1d45b737346d05e36a56682aa0a5a
MD5 hash:
cb7367db6eff56322187b06f5f86a56f
SHA1 hash:
3bcb65a139b14ec0c47230e485191fc57e5fd781
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:Check_Debugger
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:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
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: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:dgaagas
Author:Harshit
Description:Uses certutil.exe to download a file named test.txt
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: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:SUSP_XORed_URL_In_EXE
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
Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:Sus_CMD_Powershell_Usage
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
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:vmdetect
Author:nex
Description:Possibly employs anti-virtualization techniques

File information


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

Web download

Vidar

Executable exe fc1ef6b3e54b674a094befeac22c4ae6b4e1d45b737346d05e36a56682aa0a5a

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download

Comments