MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 91b25ae5844b29576eee9f7f837b378ecc420b79ff7b0d799bd65e4c5e0d0fff. 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

RemusStealer

Vendor detections: 9

Intelligence 9 IOCs YARA 26 File information Comments

SHA256 hash:	91b25ae5844b29576eee9f7f837b378ecc420b79ff7b0d799bd65e4c5e0d0fff
SHA3-384 hash:	5c842c058c306244db46ded8eb9f03f9867934439e5693c7b083d4acd0b2e190356190ac145396ac13d5006b3de34a38
SHA1 hash:	a8113f2a9a8dfd2438cf26448560a7339cca2ab2
MD5 hash:	254eae5d3df679f26ea1e89668590219
humanhash:	crazy-carolina-aspen-yankee
File name:	Вооtseхeсss64.zip
Download:	download sample
Signature	RemusStealer Create hunting rule
File size:	1'895'019 bytes
First seen:	2026-05-30 10:33:52 UTC
Last seen:	Never
File type:	zip
MIME type:	application/zip
ssdeep	24576:wFpsjBOUB5oYQRKh5t+T/trhflDhrAkWnc9:wFpsjBOWmRC5t+T/trh9DhrZWs
TLSH	T1539546878AC11DC7DDD50838AC6B4F705B65C8AAF802CA539B36A76E8FD7394CC1A54C
Magika	zip
Reporter	burger
Tags:	file-pumped RemusStealer zip

Intelligence

File Origin

# of uploads :

# of downloads :

146

Origin country :

File Archive Information

This file archive contains 1 file(s), sorted by their relevance:

File name:	Вооtseхeсss64.exe
Pumped file	This file is pumped. MalwareBazaar has de-pumped it.
File size:	903'832'200 bytes
SHA256 hash:	c1c37e61f6c9de0d2054e7efba8cb056fb27097e38adc65da39fc039f215ff3a
MD5 hash:	764d448315d836993bf8022c797c8595
De-pumped file size:	2'054'656 bytes (Vs. original size of 903'832'200 bytes)
De-pumped SHA256 hash:	f1e2c289c0a43650628a796154cf4a9c4f87e61209fb0e65bdc67b2679aa80de
De-pumped MD5 hash:	3e2f41ae6d6bcdfd70444310c643907d
MIME type:	application/x-dosexec
Signature	RemusStealer

Vendor Threat Intelligence

Details

Link:

https://research.acce.ciphertechsolutions.com/results/647045f8-8c63-479f-af07-2a7fb7fac0d8/

Verdict:

Clean

Score:

89.1%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6a1abd445a2e3b5e58e41d0c

Tags:

n/a

Result

Verdict:

Malicious

File Type:

ZIP File - Malicious

Link:

https://app.docguard.net/91b25ae5844b29576eee9f7f837b378ecc420b79ff7b0d799bd65e4c5e0d0fff/results/dashboard

Behaviour

SuspiciousEmbeddedObjects detected

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

adaptive-context anti-vm bloated golang large-file overlay signed

Link:

https://www.filescan.io/uploads/6a1abd33099ef368af0ec40c/reports/b88ed627-ea60-4b0b-8177-ac8c3a686fdb/overview

Verdict:

Suspicious

Labled as:

HEUR/Pumpar.Generic

Link:

https://www.hybrid-analysis.com/sample/91b25ae5844b29576eee9f7f837b378ecc420b79ff7b0d799bd65e4c5e0d0fff

Verdict:

Unknown

File Type:

zip

Link:

https://opentip.kaspersky.com/91b25ae5844b29576eee9f7f837b378ecc420b79ff7b0d799bd65e4c5e0d0fff/results?tab=lookup

Score:

97%

Verdict:

Malware

File Type:

Result

Malware family:

remus_stealer

Score:

10/10

Tags:

family:remus_stealer botnet:1df60ba477f3af01b8adc920ea2d006e discovery spyware stealer

Link:

https://tria.ge/reports/260530-sdtgfaf17s/

Behaviour

Suspicious behavior: EnumeratesProcesses

Browser Information Discovery

Accesses cryptocurrency files/wallets, possible credential harvesting

Checks installed software on the system

Reads user/profile data of local email clients

Reads user/profile data of web browsers

Detects Remus stealer

Family: Remus

Malware Config

C2 Extraction:

http://woodfez.biz:7582
http://myrtler.biz:9549
http://youngel.biz:8768

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:	Any_SU_Domain Create hunting rule
Author:	you
Description:	Detect any reference to .su domains or subdomains

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:	Detect_Golang_Binary Create hunting rule
Author:	Andrew Morrow
Description:	Detects binaries compiled with Go

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:	goLangMatch3 Create hunting rule

Rule name:	goLangMatch4 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_duffcopy_amd64 Create hunting rule

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:	PK_PUMP_AND_DUMP Create hunting rule
Author:	Will Metcalf @node5
Description:	Walks Zip Central Directory filename entries looking for abused extension then checks for a file that's at least 25M and then check to see how much uncompressed size is vs compressed size

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

Rule name:	RemusStealer_GoPayload Create hunting rule
Author:	burger
Description:	Detects RemusStealer Go-compiled payload

Rule name:	RemusStealer_MSVC_Loader Create hunting rule
Author:	burger
Description:	Detects RemusStealer MSVC C++ loader (register-variant tolerant)

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)

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

Rule name:	VECT_Ransomware Create hunting rule
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:	weird_zip_high_compression_ratio Create hunting rule
Author:	Maxime THIEBAUT (@0xThiebaut)
Description:	Detects single-entry ZIP files with a suspiciously high compression ratio (>100:1) and decompressed size above the 500MB AV limit
Reference:	https://twitter.com/Cryptolaemus1/status/1633099154623803394