MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 eafa0e478cb22bda6b2b1c591e2f856fbc1aa0f808611a6087a898eaeab9f5fd. 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

RustyStealer

Vendor detections: 10

Intelligence 10 IOCs YARA 57 File information Comments

SHA256 hash:	eafa0e478cb22bda6b2b1c591e2f856fbc1aa0f808611a6087a898eaeab9f5fd
SHA3-384 hash:	b5d0c4ddabd18a67e4193a20451ce9f06fa397a623fdc3c951b897c88aae09a31f6e24c6f690405766ecb2066f6e961a
SHA1 hash:	5c6715f77529d597c6367aab194ae3257247f632
MD5 hash:	8e93d7eb49d43ea86aa866e470da8d1c
humanhash:	music-thirteen-victor-apart
File name:	update.exe
Download:	download sample
Signature	RustyStealer Create hunting rule
File size:	3'021'696 bytes
First seen:	2026-09-16 13:42:31 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	a696a29c6402aa08007daba2443e24b2 (1 x RustyStealer)
ssdeep	49152:OtefJhakpUhKcNnMuWk3ih98Hts8MtZYt3VdZDPqyGa8TEG:OcfJhak6hKcNnM9k3iL8HS8yYt3V3Pm0
TLSH	T18EE58C10F639E750D734883AB205ED524394B66D7FA801AA48A930E4AFFFFD394275E4
TrID	37.0% (.EXE) Win64 Executable (generic) (6522/11/2) 28.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 11.5% (.EXE) OS/2 Executable (generic) (2029/13) 11.3% (.EXE) Generic Win/DOS Executable (2002/3) 11.3% (.EXE) DOS Executable (generic) (2000/1)
Magika	pebin
Reporter	BlinkzSec
Tags:	RustyStealer signed

Code Signing Certificate

Organisation:	Microsoft Corporation
Issuer:	Microsoft Corporation
Algorithm:	sha256WithRSAEncryption
Valid from:	2026-08-02T22:23:01Z
Valid to:	2027-08-02T22:23:01Z
Serial number:	7618a39b8e94d10c13de8c62324b541a5f652bac
Thumbprint Algorithm:	SHA256
Thumbprint:	07aced119d27acdeae1be061a9fd36569c104ce3f31046068561b424e2b0d307
Source:	This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

No detections

Malware family:

n/a

ID:

File name:

http://172.86.84.161/update.exe

Verdict:

Malicious activity

Analysis date:

2026-09-16 13:40:47 UTC

Tags:

amsi-bypass rust evasion

Link:

https://app.any.run/tasks/07c28738-95d8-4242-9461-f7aeea79b5c0

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/85912/

Detection(s):

MiscreantPunch.SingleXOR.EXE.55.UNOFFICIAL

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

active-directory anti-debug anti-vm anti-vm base64 certreq certutil cmd crypto evasive eventvwr expand explorer fingerprint hacktool installutil lolbin microsoft_visual_cc msbuild mshta msiexec obfuscated obfuscated odbcconf reconnaissance reg regsvr32 rundll32 wmic wscript xor-pe xor-pe

Link:

https://www.filescan.io/uploads/6aaa9d2ae8300e4a9f0be678/reports/2b4f26b9-6c9f-434d-9f13-ba19219428ce/overview

Verdict:

Malicious

Labled as:

Dump:Generic.PrintSpoofer.1

Link:

https://www.hybrid-analysis.com/sample/eafa0e478cb22bda6b2b1c591e2f856fbc1aa0f808611a6087a898eaeab9f5fd

Verdict:

Unknown

Link:

https://analyze.intezer.com/analyses/70034b3f-72fe-4cd5-812a-32c47b460252

Score:

98%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/eafa0e478cb22bda6b2b1c591e2f856fbc1aa0f808611a6087a898eaeab9f5fd

Verdict:

inconclusive

YARA:

4 match(es)

Tags:

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

Link:

https://app.malva.re/file/8e93d7eb49d43ea86aa866e470da8d1c

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/eafa0e478cb22bda6b2b1c591e2f856fbc1aa0f808611a6087a898eaeab9f5fd/

Threat name:

Win64.Trojan.PrintSpoofer

Status:

Malicious

First seen:

2026-09-16 13:40:38 UTC

File Type:

PE+ (Exe)

Extracted files:

AV detection:

7 of 36 (19.44%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=5l5a4r4mwiv5u2zldrmr4l4fn66bvihybbqruyehvcmov2vz6x6q._file

Result

Malware family:

n/a

Score:

3/10

Tags:

n/a

Link:

https://tria.ge/reports/260916-q1cq4acj6v/

Behaviour

Suspicious behavior: EnumeratesProcesses

Unpacked files

SH256 hash:

eafa0e478cb22bda6b2b1c591e2f856fbc1aa0f808611a6087a898eaeab9f5fd

MD5 hash:

8e93d7eb49d43ea86aa866e470da8d1c

SHA1 hash:

5c6715f77529d597c6367aab194ae3257247f632

Link:

https://www.unpac.me/results/993be7c1-07ea-42d9-a8a9-84ac5a853983/

SH256 hash:

d9043cde7721a27faa9ec0ba1c2818d3d1e32b60f406fb4ec4f48e37c1091e55

MD5 hash:

d7d9fe85e1c8afd47a77c9f219b4a645

SHA1 hash:

bc1aa19b6752bff07e1963c9c51f3542d997f2da

Detections:

triage_rubeus

INDICATOR_SUSPICIOUS_EXE_RawPaste_URL

INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer

INDICATOR_SUSPICIOUS_References_SecTools

INDICATOR_SUSPICIOUS_VM_Evasion_VirtDrvComb

Invoke_WMIExec_Gen_1

Link:

https://www.unpac.me/results/993be7c1-07ea-42d9-a8a9-84ac5a853983/

Malware family:

Invoke-TheHash

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/eafa0e478cb2/report/overview.html

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

Threat name:

Suspicious File

Score:

0.63

Link:

https://yomi.yoroi.company/submissions/eafa0e478cb22bda6b2b1c591e2f856fbc1aa0f808611a6087a898eaeab9f5fd

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_Debugger Create hunting rule

Rule name:	Check_OutputDebugStringA_iat Create hunting rule

Rule name:	Check_VBox_Guest_Additions Create hunting rule

Rule name:	Check_VmTools Create hunting rule

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

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

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

Rule name:	DetectEncryptedVariants Create hunting rule
Author:	Zinyth
Description:	Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded

Rule name:	Detect_all_IPv6_variants Create hunting rule
Author:	Bierchermuesli
Description:	Generic IPv6 catcher

Rule name:	detect_powershell Create hunting rule
Author:	daniyyell
Description:	Detects suspicious PowerShell activity related to malware execution

Rule name:	Detect_PowerShell_Obfuscation Create hunting rule
Author:	daniyyell
Description:	Detects obfuscated PowerShell commands commonly used in malicious scripts.

Rule name:	Detect_Remcos_RAT Create hunting rule
Author:	daniyyell
Description:	Detects Remcos RAT payloads and commands

Rule name:	dgaagas Create hunting rule
Author:	Harshit
Description:	Uses certutil.exe to download a file named test.txt

Rule name:	FreddyBearDropper Create hunting rule
Author:	Dwarozh Hoshiar
Description:	Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.

Rule name:	golang_bin_JCorn_CSC846 Create hunting rule
Author:	Justin Cornwell
Description:	CSC-846 Golang detection ruleset

Rule name:	grakate_stealer_nov_2021 Create hunting rule

Rule name:	Hunt_Obfuscated_Localhost_ROT Create hunting rule
Author:	Serhii Kocherhan
Description:	Detects obfuscated/rotated 127.0.0.1 strings while excluding raw plaintext

Rule name:	INDICATOR_SUSPICIOUS_EXE_RawPaste_URL Create hunting rule
Author:	ditekSHen
Description:	Detects executables (downlaoders) containing URLs to raw contents of a paste

Rule name:	INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer Create hunting rule
Author:	ditekSHen
Description:	detects Windows exceutables potentially bypassing UAC using eventvwr.exe

Rule name:	INDICATOR_SUSPICIOUS_References_SecTools Create hunting rule
Author:	ditekSHen
Description:	Detects executables referencing many IR and analysis tools

Rule name:	INDICATOR_SUSPICIOUS_VM_Evasion_VirtDrvComb Create hunting rule
Author:	ditekSHen
Description:	Detects executables referencing combination of virtualization drivers

Rule name:	Invoke_WMIExec_Gen_1 Create hunting rule
Author:	Florian Roth (Nextron Systems)
Description:	Detects Invoke-WmiExec or Invoke-SmbExec
Reference:	https://github.com/Kevin-Robertson/Invoke-TheHash

Rule name:	Invoke_WMIExec_Gen_1_RID2E57 Create hunting rule
Author:	Florian Roth
Description:	Detects Invoke-WmiExec or Invoke-SmbExec
Reference:	https://github.com/Kevin-Robertson/Invoke-TheHash

Rule name:	NET Create hunting rule
Author:	malware-lu

Rule name:	pe_detect_tls_callbacks Create hunting rule

Rule name:	PE_Digital_Certificate Create hunting rule
Author:	albertzsigovits

Rule name:	ProgramLanguage_Rust Create hunting rule
Author:	albertzsigovits
Description:	Application written in Rust programming language

Rule name:	RANSOMWARE Create hunting rule
Author:	ToroGuitar

Rule name:	reverse_http Create hunting rule
Author:	CD_R0M_
Description:	Identify strings with http reversed (ptth)

Rule name:	Rustyloader_mem_loose Create hunting rule
Author:	James_inthe_box
Description:	Corroded buerloader
Reference:	https://app.any.run/tasks/83064edd-c7eb-4558-85e8-621db72b2a24

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

Rule name:	Suspicious_PowerShell_Commands_Executed_via_Rundll32 Create hunting rule
Author:	assistant
Description:	Detects when rundll32.exe is used to execute PowerShell commands that may indicate malicious activity
Reference:	https://github.com/SigmaHQ/sigma/blob/master/rules/windows/process_creation/win_susp_powershell_via_rundll32.yml

Rule name:	Suspicious_Process Create hunting rule
Author:	Security Research Team
Description:	Suspicious process creation

Rule name:	SUSP_Websites Create hunting rule
Author:	SECUINFRA Falcon Team
Description:	Detects the reference of suspicious sites that might be used to download further malware

Rule name:	SUSP_XORed_Mozilla_Oct19 Create hunting rule
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 Create hunting rule
Author:	Florian Roth
Description:	Detects suspicious XORed keyword - Mozilla/5.0
Reference:	Internal Research

Rule name:	SUSP_XORed_MSDOS_Stub_Message Create hunting rule
Author:	Florian Roth
Description:	Detects suspicious XORed MSDOS stub message
Reference:	https://yara.readthedocs.io/en/latest/writingrules.html#xor-strings

Rule name:	Sus_All_Windows_PE_Malware Create hunting rule
Author:	DiegoAnalytics
Description:	Detects Windows PE malware of all types, avoids non-executables like .html

Rule name:	Sus_CMD_Powershell_Usage Create hunting rule
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 Create hunting rule
Author:	vietdx.mb

Rule name:	test_Malaysia Create hunting rule
Author:	rectifyq
Description:	Detects file containing malaysia string

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

Rule name:	vmdetect Create hunting rule
Author:	nex
Description:	Possibly employs anti-virtualization techniques

Rule name:	Win_FakeInstaller_PythonShellcodeLoader_Crepectl_2026 Create hunting rule
Author:	SixHands
Description:	Detects the analyzed fake installer sample using .key config, XOR key, and Python/fiber shellcode loader traits