MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 671766846f634cbf303484d3fd76553d015cd30d46b877dce1d9e81972064a49. 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

CountLoader

Vendor detections: 13

Intelligence 13 IOCs YARA 17 File information Comments

SHA256 hash:	671766846f634cbf303484d3fd76553d015cd30d46b877dce1d9e81972064a49
SHA3-384 hash:	bc4cb220d2825026f86c0c9f041bdd25868c062e3e3fae7fc8dc80f03704e217994cc7820f762a79accf21d83c58febe
SHA1 hash:	889bc3e6258ededb6e931e05913f27476d66dce6
MD5 hash:	d647c0e96f02797cd493103640d949b9
humanhash:	july-pizza-summer-sad
File name:	WW26A.exe
Download:	download sample
Signature	CountLoader Create hunting rule
File size:	4'005'056 bytes
First seen:	2026-05-18 16:37:01 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	ebc247a77b4d4a804b261f97a1fd075c (126 x Vidar, 32 x RemusStealer, 26 x Smoke Loader)
ssdeep	49152:0dg/8RVNaMqOvu+uDOA0PR9xM4Jf0FIfpBwAAGXxqvmiBv:0dwsXIGvsIBwAAGX0
Threatray	480 similar samples on MalwareBazaar
TLSH	T1CC062A52A46604BCC1E8B13074F67950EF6174882B3C37970AA3ABA42E3F7C25D76767
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	aachum
Tags:	CountLoader exe firewai-biz RemusStealer signed

Code Signing Certificate

Organisation:	*.issuu.com
Issuer:	GlobalSign Atlas R3 DV TLS CA 2025 Q3
Algorithm:	sha256WithRSAEncryption
Valid from:	2025-09-03T11:26:04Z
Valid to:	2026-10-05T11:26:03Z
Serial number:	01050abe9be158a8cc79319891d822f2
Intelligence:	6 malware samples on MalwareBazaar are signed with this code signing certificate
Thumbprint Algorithm:	SHA256
Thumbprint:	a9cef9b7100dccef6b8465f88420cf6d718b5001df471ff68bf211cc2608b28a
Source:	This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

iamaachum

http://144.31.191.28/WW26A.exe

RemusStealer C2:
firewai.biz (144.91.74.47:48261)

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

No detections

Malware family:

n/a

ID:

File name:

New Text Document.bin.exe

Verdict:

Malicious activity

Analysis date:

2026-05-17 15:06:29 UTC

Tags:

auto generic github evasion loader rat hausbomber screenconnect rmm-tool python stealer remus stealc tool remote

Link:

https://app.any.run/tasks/eaef5973-7a2b-4c99-ac8d-436f585c5c90

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/66352/

Verdict:

Malicious

Score:

94.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6a0b4041062bae3f97342d4c

Tags:

injection obfusc crypt

Result

Verdict:

Malware

Maliciousness:

Behaviour

Сreating synchronization primitives

Using the Windows Management Instrumentation requests

Connection attempt to an infection source

Sending a custom TCP request

DNS request

Connection attempt

Sending an HTTP POST request

Query of malicious DNS domain

Sending an HTTP POST request to an infection source

Verdict:

Unknown

Threat level:

2.5/10

Confidence:

100%

Tags:

adaptive-context anti-vm crypto golang signed

Link:

https://www.filescan.io/uploads/6a0b403f056ea44c4533a0d9/reports/4e384b2e-fbd7-4fef-80ec-76524156492f/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_70%

Link:

https://www.hybrid-analysis.com/sample/671766846f634cbf303484d3fd76553d015cd30d46b877dce1d9e81972064a49

Verdict:

Malicious

File Type:

exe x64

First seen:

2026-05-17T12:06:00Z UTC

Last seen:

2026-05-20T08:43:00Z UTC

Hits:

~100

Detections:

VHO:Backdoor.Win64.AdaptixC2.gen Trojan.Win64.Agent.sb BSS:Trojan.Win32.Generic Backdoor.Win64.Gsb.sb Backdoor.Win64.Gsb.beg

Link:

https://opentip.kaspersky.com/671766846f634cbf303484d3fd76553d015cd30d46b877dce1d9e81972064a49/results?tab=lookup

Verdict:

Unknown

Link:

https://analyze.intezer.com/analyses/a20f7d8c-1b2b-448d-ae51-eb63cdb7a96e

Result

Threat name:

REMUS Stealer

Detection:

malicious

Classification:

troj.spyw.evad.mine

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1915189

Signature

Antivirus detection for URL or domain

Connects to many ports of the same IP (likely port scanning)

Contains functionality to registers a callback to get notified when the system is suspended or resumed (often done by Miners)

Detected unpacking (creates a PE file in dynamic memory)

Joe Sandbox ML detected suspicious sample

Multi AV Scanner detection for submitted file

Potentially malicious time measurement code found

Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)

Query firmware table information (likely to detect VMs)

Suricata IDS alerts for network traffic

Tries to harvest and steal browser information (history, passwords, etc)

Tries to harvest and steal ftp login credentials

Tries to steal Crypto Currency Wallets

Tries to steal from password manager

Unusual module load detection (module proxying)

Uses known network protocols on non-standard ports

Yara detected REMUS Stealer

Behaviour

Behavior Graph:

Download SVG

Score:

77%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/671766846f634cbf303484d3fd76553d015cd30d46b877dce1d9e81972064a49

Verdict:

inconclusive

YARA:

4 match(es)

Tags:

Executable PE (Portable Executable) PE File Layout Win 64 Exe x64

Link:

https://app.malva.re/file/d647c0e96f02797cd493103640d949b9

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/671766846f634cbf303484d3fd76553d015cd30d46b877dce1d9e81972064a49/

Verdict:

Malicious

Threat:

Family.COUNTLOADER

Link:

https://tip.neiki.dev/file/671766846f634cbf303484d3fd76553d015cd30d46b877dce1d9e81972064a49

Threat name:

Win64.Trojan.Generic

Status:

Suspicious

First seen:

2026-05-17 22:14:18 UTC

File Type:

PE+ (Exe)

AV detection:

15 of 38 (39.47%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=m4lwnbdpmngl6mbuqtj725svhuavzuyni24hpxhb3hubs4qgjjeq._file

Verdict:

malicious

Label(s):

remus

CountLoader

7fad7dc28d928df12498a043cba620d37de8e10ede4c0ea9725550d9f6da4c49

CountLoader

b5863ca0b91aa7f34c32686103b5a8ef1ea9224cdb848a66b71e933e97253499

CountLoader

c2de23cb7fec5c422836431669d7fbc12f8509d801979b69312a8fa61e725743

CountLoader

+ 470 additional samples on MalwareBazaar

Gathering data

Unpacked files

SH256 hash:

671766846f634cbf303484d3fd76553d015cd30d46b877dce1d9e81972064a49

MD5 hash:

d647c0e96f02797cd493103640d949b9

SHA1 hash:

889bc3e6258ededb6e931e05913f27476d66dce6

Link:

https://www.unpac.me/results/4f001cab-7346-4270-9e31-f7173b8f1736/

Malware family:

RemusStealer

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/671766846f63/report/overview.html

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

Legit

Score:

0.00

Link:

https://yomi.yoroi.company/submissions/671766846f634cbf303484d3fd76553d015cd30d46b877dce1d9e81972064a49

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 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 Create hunting rule
Author:	DiegoAnalytics
Description:	Detects attempts to inject code into another process across PE, ELF, Mach-O binaries

Rule name:	DebuggerException__SetConsoleCtrl Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	DetectGoMethodSignatures Create hunting rule
Author:	Wyatt Tauber
Description:	Detects Go method signatures in unpacked Go binaries

Rule name:	GoBinTest Create hunting rule

Rule name:	golang Create hunting rule

Rule name:	Golangmalware Create hunting rule
Author:	Dhanunjaya
Description:	Malware in Golang

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 Create hunting rule
Author:	Ashar Siddiqui
Description:	Find Go Signatuers

Rule name:	Golang_Find_CSC846_Simple Create hunting rule
Author:	Ashar Siddiqui
Description:	Find Go Signatuers

Rule name:	HiveRansomware Create hunting rule
Author:	Dhanunjaya
Description:	Yara Rule To Detect Hive V4 Ransomware

Rule name:	PE_Digital_Certificate Create hunting rule
Author:	albertzsigovits

Rule name:	ProgramLanguage_Golang Create hunting rule
Author:	albertzsigovits
Description:	Application written in Golang programming language

Rule name:	SEH__vectored Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	Suspicious_Golang_Binary Create hunting rule
Author:	Tim Machac
Description:	Triage: Golang-compiled binary with suspicious OS/persistence/network strings (not family-specific)