MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 91a2cc02adfca746b0ed66a0ad9b84ad77407b34c91ea2d16e2d97e6c4ebd32e. 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: 11


Intelligence 11 IOCs YARA 37 File information Comments

SHA256 hash: 91a2cc02adfca746b0ed66a0ad9b84ad77407b34c91ea2d16e2d97e6c4ebd32e
SHA3-384 hash: 869b1f01e3726b3f9776e563970ba9b1188142d95b0feec9dce4a4b29369052577e6e108637dcacf7765aeb56a3bb389
SHA1 hash: 46bdb7c61ec8257a6b19ca11db7a46c50feec94c
MD5 hash: 60239d8977c758dcdbe5a3b5d886ccd5
humanhash: fourteen-mars-tennis-timing
File name:91a2cc02adfca746b0ed66a0ad9b84ad77407b34c91ea2d16e2d97e6c4ebd32e.bin
Download: download sample
Signature Vidar
File size:7'808'880 bytes
First seen:2026-08-11 21:00:12 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash d42595b695fc008ef2c56aabd8efd68e (874 x Vidar, 310 x RemusStealer, 131 x Stealc)
ssdeep 98304:025feLkuzyzdGvlKnHXnInTfnjT8hsF+bDC:06eYsyJyL7nbJ
TLSH T13E768D03F99545F9C0AAD2318667A232BB71B849173173DB2A90EB742F72BD05E3E714
TrID 33.1% (.EXE) Win64 Executable (generic) (6522/11/2)
25.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
10.4% (.ICL) Windows Icons Library (generic) (2059/9)
10.3% (.EXE) OS/2 Executable (generic) (2029/13)
10.1% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
Reporter Anonymous
Tags:exe vidar

Intelligence


File Origin
# of uploads :
1
# of downloads :
120
Origin country :
CH CH
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
KMSAuto-ZWLQ.rar
Verdict:
Malicious activity
Analysis date:
2026-08-07 12:49:00 UTC
Tags:
auto generic uac-bypass loader stealer ip-check evasion

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

Behaviour
Using the Windows Management Instrumentation requests
Behavior that indicates a threat
Sending a custom TCP request
Connection attempt to an infection source
Searching for the window
Creating a file in the %temp% directory
Creating a process from a recently created file
Сreating synchronization primitives
Creating a file
Connection attempt
DNS request
Launching a process
Query of malicious DNS domain
Sending a TCP request to an infection source
Launching a tool to kill processes
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context adaptive-context anti-debug anti-vm base64 crypto crypto expand golang lolbin masquerade overlay packed reconnaissance signed
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-08-06T13:43:00Z UTC
Last seen:
2026-08-11T18:05:00Z UTC
Hits:
~100
Gathering data
Threat name:
Win64.Malware.Heuristic
Status:
Malicious
First seen:
2026-08-06 12:30:15 UTC
AV detection:
10 of 24 (41.67%)
Threat level:
  2/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
defense_evasion execution persistence spyware stealer
Behaviour
Kills process with taskkill
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of NtSetInformationThreadHideFromDebugger
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Reads user/profile data of web browsers
Command and Scripting Interpreter: PowerShell
Unpacked files
SH256 hash:
91a2cc02adfca746b0ed66a0ad9b84ad77407b34c91ea2d16e2d97e6c4ebd32e
MD5 hash:
60239d8977c758dcdbe5a3b5d886ccd5
SHA1 hash:
46bdb7c61ec8257a6b19ca11db7a46c50feec94c
SH256 hash:
50e61dc7624cdd79f3d44eaf7fa2f7b8ac71348f0e3982b964e4251d94fb4c79
MD5 hash:
04efec76cfefafa308c76f8add5af770
SHA1 hash:
d3ffb4658a30dc9dde49bee7f488e8062e9480db
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
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__QueryInfo
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:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:DetectGoMethodSignatures
Author:Wyatt Tauber
Description:Detects Go method signatures in unpacked Go binaries
Rule name:Detect_Go_GOMAXPROCS
Author:Obscurity Labs LLC
Description:Detects Go binaries by the presence of runtime.GOMAXPROCS in the runtime metadata
Rule name:FreddyBearDropper
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
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:Golang_Find_CSC846
Author:Ashar Siddiqui
Description:Find Go Signatuers
Rule name:Golang_Find_CSC846_Simple
Author:Ashar Siddiqui
Description:Find Go Signatuers
Rule name:HiveRansomware
Author:Dhanunjaya
Description:Yara Rule To Detect Hive V4 Ransomware
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:pe_no_import_table
Description:Detect pe file that no import table
Rule name:ProgramLanguage_Golang
Author:albertzsigovits
Description:Application written in Golang programming language
Rule name:ProgramLanguage_Rust
Author:albertzsigovits
Description:Application written in Rust programming language
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:RemusStealer_GoPayload
Author:burger
Description:Detects RemusStealer Go-compiled payload
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:Rustyloader_mem_loose
Author:James_inthe_box
Description:Corroded buerloader
Reference:https://app.any.run/tasks/83064edd-c7eb-4558-85e8-621db72b2a24
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:Suspicious_Golang_Binary
Author:Tim Machac
Description:Triage: Golang-compiled binary with suspicious OS/persistence/network strings (not family-specific)
Rule name:telebot_framework
Author:vietdx.mb
Rule name:TelegramAPIMalware_PowerShell_EXE
Author:@polygonben
Description:Hunting for pwsh malware using Telegram for C2
Rule name:telegram_bot_api
Author:rectifyq
Description:Detects file containing Telegram Bot API
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:upxHook
Author:@r3dbU7z
Description:Detect artifacts from 'upxHook' - modification of UPX packer
Reference:https://bazaar.abuse.ch/sample/6352be8aa5d8063673aa428c3807228c40505004320232a23d99ebd9ef48478a/

File information


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

Comments