MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3b39762bbe07ca79b3d8db0e96d5cda84aee772becc387f52abc5d395b4024ea. 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: 10


Intelligence 10 IOCs YARA 15 File information Comments

SHA256 hash: 3b39762bbe07ca79b3d8db0e96d5cda84aee772becc387f52abc5d395b4024ea
SHA3-384 hash: 15f87bfbb54a6a4bbeaa6eb2c8ca75359843f906cb274a1fff514c828ad51e4a853f577b40bc8fde3971db1e539e3412
SHA1 hash: 3cc8d8374f728f5af4e2c891893c256fdf21c540
MD5 hash: 60f6b6954afed7de062f392a27ec910d
humanhash: golf-neptune-orange-coffee
File name:3b39762bbe07ca79b3d8db0e96d5cda84aee772becc387f52abc5d395b4024ea.exe
Download: download sample
Signature Vidar
File size:640'000 bytes
First seen:2026-08-21 19:06:37 UTC
Last seen:2026-08-22 04:33:42 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 905d6e2fd95bb9d68bb959ec7e8cfb12 (18 x Vidar, 10 x RemusStealer, 2 x njrat)
ssdeep 12288:TVrlA9y9I1zlPWA1lBEIN5sTHyWoyWQppLwmMmpCRMtvhX2BFhk7Zcgo:w9y61z/lSwCTHyWFexuhGBFyjo
TLSH T10FD40105B7A754F8D1B78979C9650A65FB7739214740AB3F03A0C772BF226B0BC29B21
TrID 29.5% (.EXE) Win64 Executable (generic) (6522/11/2)
22.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
20.3% (.EXE) Win32 Executable (generic) (4504/4/1)
9.1% (.EXE) OS/2 Executable (generic) (2029/13)
9.0% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
dhash icon 3cf686e8f6fcf0e0 (3 x Vidar, 2 x ValleyRAT, 1 x CoinMiner)
Reporter whack_sh
Tags:exe vidar whack.sh

Intelligence


File Origin
# of uploads :
4
# of downloads :
193
Origin country :
US US
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
3b39762bbe07ca79b3d8db0e96d5cda84aee772becc387f52abc5d395b4024ea.zip
Verdict:
Malicious activity
Analysis date:
2026-08-22 07:58:57 UTC
Tags:
arch-exec telegram

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Connection attempt
Sending a custom TCP request
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Сreating synchronization primitives
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Setting a single autorun event
Enabling autorun by creating a file
Enabling autorun
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
adaptive-context anti-debug dllhost fingerprint installer-heuristic lolbin packed
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Threat name:
Win64.Trojan.ValleyRAT
Status:
Malicious
First seen:
2026-08-21 19:07:17 UTC
File Type:
PE+ (Exe)
Extracted files:
15
AV detection:
25 of 37 (67.57%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
execution persistence privilege_escalation
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Suspicious use of NtSetInformationThreadHideFromDebugger
Adds Run key to start application
Creates a file in the Startup directory
Registers new Windows logon scripts automatically executed at logon.
Unpacked files
SH256 hash:
3b39762bbe07ca79b3d8db0e96d5cda84aee772becc387f52abc5d395b4024ea
MD5 hash:
60f6b6954afed7de062f392a27ec910d
SHA1 hash:
3cc8d8374f728f5af4e2c891893c256fdf21c540
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:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
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:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:pe_detect_tls_callbacks
Rule name:pe_no_import_table
Description:Detect pe file that no import table
Rule name:SUSP_XORed_Mozilla_Oct19
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
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
Rule name:telebot_framework
Author:vietdx.mb
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:TH_AntiVM_MassHunt_Win_Malware_2026_CYFARE
Author:CYFARE
Description:Detects Windows malware employing anti-VM / anti-sandbox evasion techniques across VMware, VirtualBox, Hyper-V, QEMU, Xen, and generic sandbox environments
Reference:https://cyfare.net/
Rule name:VECT_Ransomware
Author:Mustafa Bakhit
Description:Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments.

File information


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

Web download

Vidar

Executable exe 3b39762bbe07ca79b3d8db0e96d5cda84aee772becc387f52abc5d395b4024ea

(this sample)

Comments