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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b31a87efe83fe2d6b4dae35fd02ee024c4988fe6991ba2727c5e03ffb21f92ee. 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


ArkeiStealer


Vendor detections: 13


Intelligence 13 IOCs YARA 48 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b31a87efe83fe2d6b4dae35fd02ee024c4988fe6991ba2727c5e03ffb21f92ee
SHA3-384 hash: 999837a57fe1d1f415778adde8a3f2ea586534f9c315f5af907964ccbfbaee9ee476aa25a19b57108e00b4fc2b972de6
SHA1 hash: 8770203705ce05ccc340bd7cdb1d1ac8e687bb61
MD5 hash: 2a9c83c2558490dd0b9b769273c34d1c
humanhash: carpet-uranus-island-avocado
File name:b31a87efe83fe2d6b4dae35fd02ee024c4988fe6991ba2727c5e03ffb21f92ee.bin
Download: download sample
Signature ArkeiStealer
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File size:14'869'327 bytes
First seen:2026-10-13 06:27:30 UTC
Last seen:Never
File type:Executable exe
MIME type:application/vnd.microsoft.portable-executable
imphash ebc247a77b4d4a804b261f97a1fd075c (126 x Vidar, 32 x RemusStealer, 26 x Smoke Loader)
ssdeep 196608:sUgIRP7e9wRKzrhYEqjaY/4AQB7Osu/G+XoFS:sORDNEqm0496sBSoFS
TLSH T1AAE629257B9A99ACD05BC47482474A625E7170CB0B39B9FF449492383F7ABF42F38319
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
dhash icon 62d8ada4da4ae439 (7 x Vidar, 1 x ArkeiStealer)
Reporter Anonymous
Tags:ArkeiStealer exe vidar

Intelligence

File Origin
# of uploads :
1
# of downloads :
174
Origin country :
CH CH
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
exe
Verdict:
Malicious activity
Analysis date:
2026-10-13 06:46:48 UTC
Tags:
telegram golang rust
Link:
https://app.any.run/tasks/0e4b1992-4c53-4b8a-a840-94364aac0626

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Vidar
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Link:
https://www.capesandbox.com/analysis/91653/
Detection(s):
SecuriteInfo.com.Variant.Tedy.983107.23184441.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a window
Creating synchronization primitives
Searching for synchronization primitives
Sending a custom TCP request
DNS request
Connection attempt
Behavior that indicates a threat
Sending an HTTP GET request
Gathering data
Verdict:
Malicious
Labled as:
Tedy.Generic
Link:
https://www.hybrid-analysis.com/sample/b31a87efe83fe2d6b4dae35fd02ee024c4988fe6991ba2727c5e03ffb21f92ee
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-06-13T14:36:00Z UTC
Last seen:
2026-07-07T05:44:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/b31a87efe83fe2d6b4dae35fd02ee024c4988fe6991ba2727c5e03ffb21f92ee/results?tab=lookup
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/2d5b9bec-8687-446a-a89b-d142e1f338b8
Score:
97%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b31a87efe83fe2d6b4dae35fd02ee024c4988fe6991ba2727c5e03ffb21f92ee
Verdict:
inconclusive
YARA:
8 match(es)
Tags:
Executable Html Javascript in Html PE (Portable Executable) PE File Layout Win 64 Exe x64
Link:
https://app.malva.re/file/2a9c83c2558490dd0b9b769273c34d1c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b31a87efe83fe2d6b4dae35fd02ee024c4988fe6991ba2727c5e03ffb21f92ee/
Threat name:
Win64.Malware.Heuristic
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Status:
Malicious
First seen:
2026-06-13 19:30:46 UTC
File Type:
PE+ (Exe)
Extracted files:
10
AV detection:
23 of 36 (63.89%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wmnip37ih7rnnng24np5alxaetcjrd7gten2e4t4lyb77mq7slxa._file
Verdict:
malicious
Label(s):
CountLoader
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Link:
https://reports.threatray.com/20730e11-4ab7-4803-85b5-1407290bb893
Result
Malware family:
vidar
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Score:
  10/10
Tags:
family:vidar botnet:f139972a13ea65d5e96996c8b4114c3c defense_evasion discovery stealer trojan
Link:
https://tria.ge/reports/261013-g8lvasswht/
Behaviour
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Reads the TCP/IP host and domain name from the registry
Drops file in Program Files directory
Drops file in Windows directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Checks whether UAC is enabled
Contacts third-party web service commonly abused for C2
Network Share Discovery
Checks computer location settings
Executes dropped EXE
Downloads MZ/PE file
Family: Vidar
Malware Config
C2 Extraction:
https://telegram.me/g75rit
https://steamcommunity.com/profiles/76561198698223785
Unpacked files
SH256 hash:
b31a87efe83fe2d6b4dae35fd02ee024c4988fe6991ba2727c5e03ffb21f92ee
MD5 hash:
2a9c83c2558490dd0b9b769273c34d1c
SHA1 hash:
8770203705ce05ccc340bd7cdb1d1ac8e687bb61
Link:
https://www.unpac.me/results/6f864f41-43ba-4d43-a7e5-8b76f57c186a/
SH256 hash:
d2cea31f27f9f569e7c01f166119a4b7b8021f4512296d8a7139b0e2a58fe8b2
MD5 hash:
8e9704977b5526559cdd1db221fe88bc
SHA1 hash:
ea8d0cea7336004997b1739521fd1b819c3e8172
Link:
https://www.unpac.me/results/6f864f41-43ba-4d43-a7e5-8b76f57c186a/
Malware family:
Vidar
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b31a87efe83f/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/b31a87efe83fe2d6b4dae35fd02ee024c4988fe6991ba2727c5e03ffb21f92ee

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_Dlls
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Rule name:command_and_control
Create hunting rule
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
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Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectGoMethodSignatures
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Author:Wyatt Tauber
Description:Detects Go method signatures in unpacked Go binaries
Rule name:Detect_Go_GOMAXPROCS
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Author:Obscurity Labs LLC
Description:Detects Go binaries by the presence of runtime.GOMAXPROCS in the runtime metadata
Rule name:dgaagas
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Author:Harshit
Description:Uses certutil.exe to download a file named test.txt
Rule name:FreddyBearDropper
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Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:GoBinTest
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Rule name:golang
Create hunting rule
Rule name:golang_binary_string
Create hunting rule
Description:Golang strings present
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:Golang_Find_CSC846
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Author:Ashar Siddiqui
Description:Find Go Signatuers
Rule name:Golang_Find_CSC846_Simple
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Author:Ashar Siddiqui
Description:Find Go Signatuers
Rule name:ldpreload
Create hunting rule
Author:xorseed
Reference:https://stuff.rop.io/
Rule name:MULTI_Malware_RemcosRAT_ForgeAuto_4785f0c3
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Author:Marjoriefort
Description:Detects RemcosRAT (inconnu, etat binaire)
Rule name:PE_Digital_Certificate
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Author:albertzsigovits
Rule name:ProgramLanguage_Golang
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Author:albertzsigovits
Description:Application written in Golang programming language
Rule name:ProgramLanguage_Rust
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Author:albertzsigovits
Description:Application written in Rust programming language
Rule name:RemusStealer_GoPayload
Create hunting rule
Author:burger
Description:Detects RemusStealer Go-compiled payload
Rule name:reverse_http
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Author:CD_R0M_
Description:Identify strings with http reversed (ptth)
Rule name:SCRIPT_Dropper_Unknown_ForgeAuto_0507f067_Script
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Author:Marjoriefort
Description:Detects Unknown (script_js, etat script)
Rule name:SEH__vectored
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Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Suspicious_Golang_Binary
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Author:Tim Machac
Description:Triage: Golang-compiled binary with suspicious OS/persistence/network strings (not family-specific)
Rule name:SUSPICIOUS_Potential_DDR
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Author:NyxIndius
Description:Detects PE files referencing web services potentially used as dead drop resolvers, with network capability correlation for single-indicator cases
Rule name:SUSP_HTML_XMLHTTP_Redirect_Kit
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Author:Marjoriefort
Description:HTML avec exfiltration XMLHTTP + redirection window.location - kit phishing frais
Reference:Veille fraicheur 2026-09-14 / cluster HTML
Rule name:Sus_All_Windows_PE_Malware
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Author:DiegoAnalytics
Description:Detects Windows PE malware of all types, avoids non-executables like .html
Rule name:Sus_CMD_Powershell_Usage
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Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:telebot_framework
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Author:vietdx.mb
Rule name:test_Malaysia
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Author:rectifyq
Description:Detects file containing malaysia string
Rule name:ThreadControl__Context
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Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:TH_AntiVM_MassHunt_Win_Malware_2026_CYFARE
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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:TigerRAT_pe_yaraify
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Author:hunts-yara-code
Description:YARAify-tightened byte rule from 9 sample(s) -- VERIFY hits
Rule name:VECT_Ransomware
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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.
Rule name:Vidar
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Author:kevoreilly
Description:Vidar Payload
Rule name:Windows_Trojan_Vidar_57ae970e
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Author:Elastic Security
Rule name:WIN_Malware_Fantom_ForgeAuto_98e6f354_Extrait
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Author:Marjoriefort
Description:Detects Fantom (pe, etat extrait)
Rule name:WIN_Malware_PythonStealer_ForgeAuto_b24cb5bd
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Author:Marjoriefort
Description:Detects PythonStealer (pe, etat binaire)
Rule name:WIN_Malware_SalatStealer_ForgeAuto_542e717b
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Author:Marjoriefort
Description:Detects SalatStealer (pe, etat binaire)
Rule name:WIN_Malware_Unknown_ForgeAuto_2ffc3572
Create hunting rule
Author:Marjoriefort
Description:Detects Unknown (pe, etat binaire)
Rule name:WIN_Malware_Unknown_ForgeAuto_30f84f37
Create hunting rule
Author:Marjoriefort
Description:Detects Unknown (pe, etat binaire)
Rule name:WIN_Malware_Unknown_ForgeAuto_4fa7e284_Extrait
Create hunting rule
Author:Marjoriefort
Description:Detects Unknown (pe, etat extrait)
Rule name:WIN_Malware_Unknown_ForgeAuto_74566f98
Create hunting rule
Author:Marjoriefort
Description:Detects Unknown (pe, etat binaire)
Rule name:WIN_Malware_Unknown_ForgeAuto_79234c04
Create hunting rule
Author:Marjoriefort
Description:Detects Unknown (pe, etat binaire)
Rule name:WIN_Malware_Unknown_ForgeAuto_92a28498
Create hunting rule
Author:Marjoriefort
Description:Detects Unknown (pe, etat binaire)
Rule name:WIN_Malware_Unknown_ForgeAuto_ce8c5b46
Create hunting rule
Author:Marjoriefort
Description:Detects Unknown (pe, etat binaire)

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/91653/

Comments