MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f45cb99a7bc208494d845e1e5dae36eca7397b96baf2780f4ea2ea1db6e30f91. 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

CoinMiner

Vendor detections: 14

Intelligence 14 IOCs YARA 51 File information Comments

SHA256 hash:	f45cb99a7bc208494d845e1e5dae36eca7397b96baf2780f4ea2ea1db6e30f91
SHA3-384 hash:	0864b1b6d5a23cb36cff97c89825d8dc86de314a3ead8b90294b501a6616bce54b6c6fb7e512e1e7f1f1e24d43b88115
SHA1 hash:	d660ec1573345fafc7d9c6e7b016190d79e60f47
MD5 hash:	2ce7571732d5fd1d3d8c635e32bb3228
humanhash:	kitten-nuts-four-spaghetti
File name:	SecuriteInfo.com.Win32.MalwareX-gen.13152446
Download:	download sample
Signature	CoinMiner Create hunting rule
File size:	24'466'432 bytes
First seen:	2025-08-08 08:54:03 UTC
Last seen:	2025-08-08 09:20:55 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	140094f13383e9ae168c4b35b6af3356 (32 x DCRat, 11 x CoinMiner, 10 x njrat)
ssdeep	393216:RKuOrHndfG6MATFJG9FWCWXUPda50cy2kGo+d6Y+mY0w7d3TIOnhLh:YndfG6MATFDXUPdaFy2kjtVTl1
Threatray	258 similar samples on MalwareBazaar
TLSH	T1A237331308FF07D38D4C9A314965F40AADEA2099838FE5BCEBD15795A3847A8C3BD5B4
TrID	32.3% (.EXE) Win16 NE executable (generic) (5038/12/1) 28.9% (.EXE) Win32 Executable (generic) (4504/4/1) 13.0% (.EXE) OS/2 Executable (generic) (2029/13) 12.8% (.EXE) Generic Win/DOS Executable (2002/3) 12.8% (.EXE) DOS Executable Generic (2000/1)
Magika	pebin
Reporter	SecuriteInfoCom
Tags:	CoinMiner exe

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

f45cb99a7bc208494d845e1e5dae36eca7397b96baf2780f4ea2ea1db6e30f91.bin.exe

Verdict:

Malicious activity

Analysis date:

2025-08-07 19:13:01 UTC

Tags:

ms-smartcard github loader rhadamanthys shellcode miner susp-powershell upx stealer salatstealer golang

Link:

https://app.any.run/tasks/ef4d6fcb-4e5e-4f78-9766-c469419d79f9

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/19627/

Detection(s):

SecuriteInfo.com.Win32.MalwareX-gen.13152446.UNOFFICIAL

Verdict:

Malicious

Score:

92.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6895bb5211d7f9b979e67c14

Tags:

stration spawn crypt

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a file

Creating a process from a recently created file

Creating a file in the %AppData% directory

Сreating synchronization primitives

DNS request

Sending a UDP request

Connection attempt

Sending a custom TCP request

Creating a window

Launching a process

Using the Windows Management Instrumentation requests

Detecting VM

Creating a file in the Program Files subdirectories

Running batch commands

Searching for synchronization primitives

Launching a service

Creating a process with a hidden window

Loading a system driver

Unauthorized injection to a system process

Connection attempt to an infection source

Sending a TCP request to an infection source

Enabling autorun by creating a file

Adding an exclusion to Microsoft Defender

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

anti-vm fasm obfuscated similar-threat

Link:

https://www.filescan.io/uploads/6895bb4f9ef4d2ff7cf23767/reports/b98050c4-c6ca-4cc5-8356-f3f53863516b/overview

Verdict:

Malicious

Labled as:

ExNuma.Generic

Link:

https://www.hybrid-analysis.com/sample/f45cb99a7bc208494d845e1e5dae36eca7397b96baf2780f4ea2ea1db6e30f91

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/f45cb99a7bc208494d845e1e5dae36eca7397b96baf2780f4ea2ea1db6e30f91

Verdict:

inconclusive

YARA:

4 match(es)

Tags:

Executable PE (Portable Executable) Win 32 Exe x86

Link:

https://app.malva.re/file/2ce7571732d5fd1d3d8c635e32bb3228

Gathering data

Verdict:

Malicious

Threat:

Family.RHADAMANTHYS

Link:

https://tip.neiki.dev/file/f45cb99a7bc208494d845e1e5dae36eca7397b96baf2780f4ea2ea1db6e30f91

Threat name:

Win32.Trojan.ExNuma

Status:

Malicious

First seen:

2025-08-07 19:13:01 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

20 of 24 (83.33%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=6roltgt3yieestmelypf3lrw5stts64wxlzhqd2oulvb3nxdb6iq._file

Verdict:

malicious

Label(s):

rhadamanthys

unc_loader_055

r77rootkit

CoinMiner

1967625692921a306f4d8565b67e1edf9c1da2988d67a76c93659f5a91d546f5

CoinMiner

31ba8080813690f32ff5cb3ad9c09a20129f81f0f4f11ed99d6cac35cb1d7c4d

CoinMiner

61ac11057cea39a92465c3cb3ed7aa1e73a396d16b546b1e1a7f7a9fa0672f5a

CoinMiner

daa271184e7663b848b41d9f10120084cad998b80aeae60b5577b012fc653520

CoinMiner

df9f78937a5c691da3d7c523244f195a7e9e407fdc784731efd6fdcd8b8a70f2

CoinMiner

ec348a7ed4c3f489d0e90c8534f7851aa240ff43291d9a4629ab97e081c37bbc

CoinMiner

+ 248 additional samples on MalwareBazaar

Result

Malware family:

salatstealer

Score:

10/10

Tags:

family:rhadamanthys family:salatstealer defense_evasion discovery execution persistence stealer trojan upx

Link:

https://tria.ge/reports/250808-kt5weadp4v/

Behaviour

Checks SCSI registry key(s)

Checks processor information in registry

Enumerates system info in registry

Modifies data under HKEY_USERS

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Drops file in Program Files directory

Drops file in Windows directory

Launches sc.exe

Drops file in System32 directory

Suspicious use of SetThreadContext

UPX packed file

Power Settings

Checks BIOS information in registry

Checks computer location settings

Executes dropped EXE

Blocklisted process makes network request

Command and Scripting Interpreter: PowerShell

Creates new service(s)

Downloads MZ/PE file

Stops running service(s)

Detect SalatStealer payload

Detects Rhadamanthys Payload

Rhadamanthys

Rhadamanthys family

Salatstealer family

Suspicious use of NtCreateUserProcessOtherParentProcess

UAC bypass

salatstealer

Verdict:

Malicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/b2d9a640-20b0-4f57-984a-6017ab31b94a

Malware family:

XMRig

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/f45cb99a7bc2/report/overview.html

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

Threat name:

Legit

Score:

0.16

Link:

https://yomi.yoroi.company/submissions/f45cb99a7bc208494d845e1e5dae36eca7397b96baf2780f4ea2ea1db6e30f91

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:	AutoIT_Compiled Create hunting rule
Author:	@bartblaze
Description:	Identifies compiled AutoIT script (as EXE). This rule by itself does NOT necessarily mean the detected file is malicious.

Rule name:	Base64_Encoded_Powershell_Directives Create hunting rule

Rule name:	botnet_plaintext_c2 Create hunting rule
Author:	cip
Description:	Attempts to match at least some of the strings used in some botnet variants which use plaintext communication protocols.

Rule name:	cobalt_strike_tmp01925d3f Create hunting rule
Author:	The DFIR Report
Description:	files - file ~tmp01925d3f.exe
Reference:	https://thedfirreport.com

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

Rule name:	DebuggerCheck__MemoryWorkingSet Create hunting rule
Author:	Fernando Mercês
Description:	Anti-debug process memory working set size check
Reference:	http://www.gironsec.com/blog/2015/06/anti-debugger-trick-quicky/

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

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

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

Rule name:	Detect_Go_GOMAXPROCS Create hunting rule
Author:	Obscurity Labs LLC
Description:	Detects Go binaries by the presence of runtime.GOMAXPROCS in the runtime metadata

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

Rule name:	Disable_Defender Create hunting rule
Author:	iam-py-test
Description:	Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen

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

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:	grakate_stealer_nov_2021 Create hunting rule

Rule name:	Heuristics_ChromeABE Create hunting rule
Author:	Still
Description:	attempts to match instructions related to Chrome App-bound Encryption elevation service; possibly spotted amongst infostealers

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

Rule name:	identity_golang Create hunting rule
Author:	Eric Yocam
Description:	find Golang malware

Rule name:	Indicator_MiniDumpWriteDump Create hunting rule
Author:	Obscurity Labs LLC
Description:	Detects PE files and PowerShell scripts that use MiniDumpWriteDump either through direct imports or string references

Rule name:	INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs Create hunting rule
Author:	ditekSHen
Description:	Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs.

Rule name:	INDICATOR_SUSPICIOUS_Binary_References_Browsers Create hunting rule
Author:	ditekSHen
Description:	Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

Rule name:	INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore Create hunting rule
Author:	ditekSHen
Description:	Detects executables containing SQL queries to confidential data stores. Observed in infostealers

Rule name:	Macos_Infostealer_Wallets_8e469ea0 Create hunting rule
Author:	Elastic Security

Rule name:	MALWARE_Win_R77 Create hunting rule
Author:	ditekSHen
Description:	Detects r77 rootkit

Rule name:	MD5_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for MD5 constants

Rule name:	Multi_Generic_Threat_19854dc2 Create hunting rule
Author:	Elastic Security

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_Golang Create hunting rule
Author:	albertzsigovits
Description:	Application written in Golang programming language

Rule name:	RANSOMWARE Create hunting rule
Author:	ToroGuitar

Rule name:	RIPEMD160_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for RIPEMD-160 constants

Rule name:	Rooter Create hunting rule
Author:	Seth Hardy
Description:	Rooter

Rule name:	RooterStrings Create hunting rule
Author:	Seth Hardy
Description:	Rooter Identifying Strings

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

Rule name:	SHA1_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for SHA1 constants

Rule name:	SHA512_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for SHA384/SHA512 constants

Rule name:	Suspicious_PssCaptureSnapshot_Usage Create hunting rule
Author:	Dana Behling - Just me not for personal curiosity, no company.
Description:	Detects binaries abusing PssCaptureSnapshot in combination with typical combination that indicates malicious activity.

Rule name:	Sus_Obf_Enc_Spoof_Hide_PE Create hunting rule
Author:	XiAnzheng
Description:	Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

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

Rule name:	UPXV200V290MarkusOberhumerLaszloMolnarJohnReiser Create hunting rule
Author:	malware-lu

Rule name:	upx_largefile Create hunting rule
Author:	k3nr9

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

Rule name:	Windows_Rootkit_R77_d0367e28 Create hunting rule
Author:	Elastic Security
Reference:	https://www.elastic.co/security-labs/elastic-security-labs-steps-through-the-r77-rootkit

File information

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

Web download

CoinMiner

exe f45cb99a7bc208494d845e1e5dae36eca7397b96baf2780f4ea2ea1db6e30f91

(this sample)

Cape

https://www.capesandbox.com/analysis/19627/

URLhaus

https://urlhaus.abuse.ch/url/3598976/

Delivery method

Distributed via web download

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings

ID	Title	Severity
CHECK_AUTHENTICODE	Missing Authenticode	high
CHECK_NX	Missing Non-Executable Memory Protection	critical
CHECK_PIE	Missing Position-Independent Executable (PIE) Protection	high

Reviews

ID	Capabilities	Evidence
WIN32_PROCESS_API	Can Create Process and Threads	kernel32.dll::VirtualAllocExNuma kernel32.dll::CreateThread
WIN_BASE_USER_API	Retrieves Account Information	kernel32.dll::GetComputerNameA

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