MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ec5b70439903098a5ea6944761e0bde5e4ff9587cc3bb6ab2082d6c5950071e7. 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

LummaStealer

Vendor detections: 16

Intelligence 16 IOCs YARA 12 File information Comments

SHA256 hash:	ec5b70439903098a5ea6944761e0bde5e4ff9587cc3bb6ab2082d6c5950071e7
SHA3-384 hash:	9325aa9385fc55e17a92aff2f1d3c3e6b58d59696b684b955df93aedffe46b15e7e06c1d43bda956d1032e24e78e123f
SHA1 hash:	f8e0149df79fcb376f975fdccb8cf5045ec47c50
MD5 hash:	41d4c2468379868ba6f219f6176b8a78
humanhash:	nitrogen-west-twenty-potato
File name:	Nexora.exe
Download:	download sample
Signature	LummaStealer Create hunting rule
File size:	16'811'928 bytes
First seen:	2025-05-22 17:02:48 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	61af7b3cd9e77f2e647814166d91e99a (1 x LummaStealer)
ssdeep	196608:PdvPjFQvxad5GEnbDhtxOXGROZq2RAjYC3KjKVw:hj+vebDhDO2RwNAjYiKjU
Threatray	4 similar samples on MalwareBazaar
TLSH	T18007AF5627A6AD23D48B6B30A6DF073947305F3177BB4BE2C10850B0AE433CE5E66B56
TrID	49.9% (.EXE) Win64 Executable (generic) (10522/11/4) 21.3% (.EXE) Win32 Executable (generic) (4504/4/1) 9.6% (.EXE) OS/2 Executable (generic) (2029/13) 9.5% (.EXE) Generic Win/DOS Executable (2002/3) 9.4% (.EXE) DOS Executable Generic (2000/1)
Magika	pebin
dhash icon	8269d4d4d4d46982 (4 x LummaStealer)
Reporter	burger
Tags:	donutloader exe LummaStealer

Intelligence

File Origin

# of uploads :

# of downloads :

601

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

Nexora.exe

Verdict:

Malicious activity

Analysis date:

2025-05-22 16:59:03 UTC

Tags:

lumma stealer

Link:

https://app.any.run/tasks/27c7e607-69fb-4dd9-a481-a0c4880337a7

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Verdict:

Malicious

Score:

96.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=682f57d72f280a98fb43486d

Tags:

phishing virus shell

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Launching a process

DNS request

Connection attempt to an infection source

Using the Windows Management Instrumentation requests

Сreating synchronization primitives

Query of malicious DNS domain

Sending a TCP request to an infection source

Unauthorized injection to a system process

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

anti-debug installer invalid-signature overlay overlay packed packed packer_detected signed

Link:

https://www.filescan.io/uploads/682f58d8e336a33801dcc04d/reports/d8c1fd4c-1d20-4ae5-a396-c31b62399401/overview

Verdict:

Malicious

Labled as:

Generik.MMZTAYZ trojan

Link:

https://www.hybrid-analysis.com/sample/ec5b70439903098a5ea6944761e0bde5e4ff9587cc3bb6ab2082d6c5950071e7

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/18f91276-d012-4eac-af9e-c28477c3b17e

Result

Threat name:

LummaC Stealer

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1697064

Signature

.NET source code contains potential unpacker

Antivirus detection for URL or domain

C2 URLs / IPs found in malware configuration

Found malware configuration

Injects a PE file into a foreign processes

Joe Sandbox ML detected suspicious sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

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

Query firmware table information (likely to detect VMs)

Sample uses string decryption to hide its real strings

Suricata IDS alerts for network traffic

Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)

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

Writes to foreign memory regions

Yara detected Costura Assembly Loader

Yara detected LummaC Stealer

Behaviour

Behavior Graph:

Download SVG

Score:

55%

Verdict:

Susipicious

File Type:

Link:

https://malprob.io/report/ec5b70439903098a5ea6944761e0bde5e4ff9587cc3bb6ab2082d6c5950071e7

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/ec5b70439903098a5ea6944761e0bde5e4ff9587cc3bb6ab2082d6c5950071e7/

Threat name:

Win32.Trojan.Nekark

Status:

Malicious

First seen:

2025-05-21 20:44:07 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

16 of 24 (66.67%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=5rnxaq4zameyuxvgsrdwdyf54xsp7fmhzq53nkzaqllmlfiaohtq._file

Verdict:

malicious

Label(s):

lummastealer

purecrypter

LummaStealer

dcb7ce8cf51da4997489814f1ea6a877b97b4d0fcd28d6c89d8f9f363ab17abd

LummaStealer

ec5b70439903098a5ea6944761e0bde5e4ff9587cc3bb6ab2082d6c5950071e7

LummaStealer

error

LummaStealer

Result

Malware family:

lumma

Score:

10/10

Tags:

family:donutloader family:lumma discovery loader spyware stealer

Link:

https://tria.ge/reports/250522-vkvn7axjx7/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Browser Information Discovery

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

Accesses cryptocurrency files/wallets, possible credential harvesting

Detects DonutLoader

DonutLoader

Donutloader family

Lumma Stealer, LummaC

Lumma family

Malware Config

C2 Extraction:

https://fliobo.run/gajf/api
https://narrathfpt.top/tekq
https://escczlv.top/bufi
https://caitraohvi.bet/adks
https://galijd.shop/anbf/api
https://ordntx.top/pxla/api
https://strejqt.bet/mbnj
https://citellcagt.top/gjtu
https://maxmtsq.bet/xzid

Verdict:

Malicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/b1697030-9dcf-43f1-a728-aefb0a24c10a

Unpacked files

SH256 hash:

ec5b70439903098a5ea6944761e0bde5e4ff9587cc3bb6ab2082d6c5950071e7

MD5 hash:

41d4c2468379868ba6f219f6176b8a78

SHA1 hash:

f8e0149df79fcb376f975fdccb8cf5045ec47c50

Link:

https://www.unpac.me/results/ee2d551e-8755-44a7-9fec-59c93ea91fbf/

SH256 hash:

1d1371979c6f1ec64a9af1008cdecf7ccd0e1658fcd400498a7f198a00ee7d46

MD5 hash:

ff65e5238b628afc5668eab042da9604

SHA1 hash:

d403eece716964f16efd47667eb420f37099ff26

Detections:

LummaStealer

Link:

https://www.unpac.me/results/ee2d551e-8755-44a7-9fec-59c93ea91fbf/

Malware family:

DonutLoader

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/ec5b70439903/report/overview.html

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

Threat name:

DriveBy Activity

Score:

0.90

Link:

https://yomi.yoroi.company/submissions/ec5b70439903098a5ea6944761e0bde5e4ff9587cc3bb6ab2082d6c5950071e7

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:	Android_Admin_And_Accessibility Create hunting rule
Author:	Buga :3
Description:	This detects apps which request access to both device admin and the Android accessibility suite.

Rule name:	Check_OutputDebugStringA_iat Create hunting rule

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

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

Rule name:	pe_detect_tls_callbacks Create hunting rule

Rule name:	PE_Digital_Certificate Create hunting rule
Author:	albertzsigovits

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

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:	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:	win_lumma_generic Create hunting rule
Author:	dubfib

File information

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

No further information available

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_DLL_CHARACTERISTICS	Missing dll Security Characteristics (HIGH_ENTROPY_VA)	high

Reviews

ID	Capabilities	Evidence
WIN32_PROCESS_API	Can Create Process and Threads	KERNEL32.dll::CloseHandle KERNEL32.dll::CreateThread
WIN_BASE_API	Uses Win Base API	KERNEL32.dll::TerminateProcess KERNEL32.dll::FindFirstVolumeW KERNEL32.dll::FindNextVolumeW KERNEL32.dll::LoadLibraryA KERNEL32.dll::GetVolumeInformationW KERNEL32.dll::GetSystemInfo
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CreateFileMappingA KERNEL32.dll::GetSystemDirectoryA KERNEL32.dll::GetFileAttributesA KERNEL32.dll::GetTempPathA

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