MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 def2bb7daf7ba4ec4abc081bc3fd8da1b782fae53b0c4aa1434909016f27b1b2. 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: 15

Intelligence 15 IOCs YARA 5 File information Comments

SHA256 hash:	def2bb7daf7ba4ec4abc081bc3fd8da1b782fae53b0c4aa1434909016f27b1b2
SHA3-384 hash:	0d5a35f0526561f6a8664a4971ebf52f1983abc5307ab285b905a2c704f8d4a4fb40e662d926a06b0d0e2a293260102a
SHA1 hash:	afedc8837999d8afcbbbdb24d4e026568c7978f3
MD5 hash:	d9579f8ebb02c6acc2de185969635a63
humanhash:	lamp-winter-winner-floor
File name:	d9579f8ebb02c6acc2de185969635a63.exe
Download:	download sample
Signature	LummaStealer Create hunting rule
File size:	344'576 bytes
First seen:	2024-12-14 12:49:37 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	e4dea94b69989e9de8e66ed1031bc5e9 (3 x LummaStealer)
ssdeep	3072:xS87hsTzdJJeSD0Tcixsf71SD58rFnUWSO9JW0n5P2cJxIunWvkvskM5BBPfa1bA:xSYiTzdfJR571SDi5UvG2iL0ZtP
TLSH	T1F774CF2135F1E426EEF75F34497493A54ABBBC622A71818F7696361F1E733A18A31303
TrID	46.6% (.CPL) Windows Control Panel Item (generic) (57583/11/19) 25.2% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 8.5% (.EXE) Win64 Executable (generic) (10522/11/4) 5.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika	pebin
File icon (PE):
dhash icon	00a0d4d4c9c8cccc (1 x LummaStealer)
Reporter	abuse_ch
Tags:	exe LummaStealer

Intelligence

File Origin

# of uploads :

# of downloads :

383

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

d9579f8ebb02c6acc2de185969635a63.exe

Verdict:

Malicious activity

Analysis date:

2024-12-14 12:55:22 UTC

Tags:

lumma stealer loader

Link:

https://app.any.run/tasks/52b2b440-79ec-423a-927b-5e8ac803e672

Note:

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

Detection(s):

SecuriteInfo.com.Win32.CrypterX-gen.16843.4365.UNOFFICIAL

Verdict:

Malicious

Score:

91.7%

Link:

https://cyber-fortress.com/docs/result/index.php?id=675d80388fb73f13afc60656

Tags:

virus

Result

Verdict:

Malware

Maliciousness:

Behaviour

Connection attempt to an infection source

Behavior that indicates a threat

DNS request

Connection attempt

Sending a custom TCP request

Sending a UDP request

Launching the default Windows debugger (dwwin.exe)

Searching for the window

Query of malicious DNS domain

Sending a TCP request to an infection source

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

fingerprint microsoft_visual_cc packed packed packer_detected

Link:

https://www.filescan.io/uploads/675d7efdb8bedfd72e43d5d0/reports/70e6968f-977b-43c9-92e1-4d04162a05a3/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/def2bb7daf7ba4ec4abc081bc3fd8da1b782fae53b0c4aa1434909016f27b1b2

Result

Verdict:

UNKNOWN

Details

Windows PE Executable

Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.

Malware family:

LummaC2 Stealer

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/b96c695a-e631-4b00-ba2b-8ee498f40a05

Result

Threat name:

LummaC

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1575113

Signature

AI detected suspicious sample

Antivirus / Scanner detection for submitted sample

Antivirus detection for URL or domain

C2 URLs / IPs found in malware configuration

Detected unpacking (changes PE section rights)

Detected unpacking (overwrites its own PE header)

Found malware configuration

LummaC encrypted strings found

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Performs DNS queries to domains with low reputation

Sample uses string decryption to hide its real strings

Suricata IDS alerts for network traffic

Yara detected LummaC Stealer

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/def2bb7daf7ba4ec4abc081bc3fd8da1b782fae53b0c4aa1434909016f27b1b2

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/def2bb7daf7ba4ec4abc081bc3fd8da1b782fae53b0c4aa1434909016f27b1b2/

Threat name:

Win32.Trojan.LummaC

Status:

Malicious

First seen:

2024-12-14 02:04:35 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

23 of 38 (60.53%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=33zlw7npposoysv4ban4h7mnug3yf6xfhmgevikdjeeqc3zhwgza._file

Verdict:

malicious

Label(s):

shellcode_loader_002

lummastealer

Similar samples:

error

LummaStealer

Result

Malware family:

lumma

Score:

10/10

Tags:

family:lumma discovery stealer

Link:

https://tria.ge/reports/241214-p2xl8asmcy/

Behaviour

Program crash

System Location Discovery: System Language Discovery

Lumma Stealer, LummaC

Lumma family

Malware Config

C2 Extraction:

https://sordid-snaked.cyou/api
https://awake-weaves.cyou/api
https://wrathful-jammy.cyou/api
https://debonairnukk.xyz/api
https://diffuculttan.xyz/api
https://effecterectz.xyz/api
https://deafeninggeh.biz/api
https://immureprech.biz/api

Verdict:

Suspicious

Tags:

lumma lumma_stealer stealer c2

YARA:

n/a

Link:

https://app.threat.zone/submission/5a1bca0a-fde9-488c-abad-a1fcb93e9b7e

Unpacked files

SH256 hash:

17c5e51225675b629879c663541f1850e5dca7c45827263b47a64ca81f38db20

MD5 hash:

3a9f64ebd8eb73d9180e86c5c731d48c

SHA1 hash:

759151933cb41705b703fbbccf72d8bb6e0cef8b

Detections:

LummaStealer

Link:

https://www.unpac.me/results/580a758f-3f01-4815-bbfc-92e66a440b82/

SH256 hash:

def2bb7daf7ba4ec4abc081bc3fd8da1b782fae53b0c4aa1434909016f27b1b2

MD5 hash:

d9579f8ebb02c6acc2de185969635a63

SHA1 hash:

afedc8837999d8afcbbbdb24d4e026568c7978f3

Link:

https://www.unpac.me/results/580a758f-3f01-4815-bbfc-92e66a440b82/

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:	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:	RansomPyShield_Antiransomware Create hunting rule
Author:	XiAnzheng
Description:	Check for Suspicious String and Import combination that Ransomware mostly abuse(can create FP)

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)

File information

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

Web download

LummaStealer

exe def2bb7daf7ba4ec4abc081bc3fd8da1b782fae53b0c4aa1434909016f27b1b2

(this sample)

URLhaus

https://urlhaus.abuse.ch/url/3346066/

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_DLL_CHARACTERISTICS	Missing dll Security Characteristics (HIGH_ENTROPY_VA)	high
CHECK_PIE	Missing Position-Independent Executable (PIE) Protection	high

Reviews

ID	Capabilities	Evidence
WIN32_PROCESS_API	Can Create Process and Threads	KERNEL32.dll::WriteProcessMemory KERNEL32.dll::CloseHandle
WIN_BASE_API	Uses Win Base API	KERNEL32.dll::TerminateProcess KERNEL32.dll::DeleteVolumeMountPointA KERNEL32.dll::LoadLibraryW KERNEL32.dll::LoadLibraryA KERNEL32.dll::GetStartupInfoA KERNEL32.dll::GetCommandLineW KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_API	Can Execute other programs	KERNEL32.dll::WriteConsoleOutputAttribute KERNEL32.dll::WriteConsoleW KERNEL32.dll::WriteConsoleA KERNEL32.dll::SetStdHandle KERNEL32.dll::GetConsoleAliasW KERNEL32.dll::GetConsoleCP KERNEL32.dll::GetConsoleMode KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CreateFileA KERNEL32.dll::GetFileAttributesW
WIN_SVC_API	Can Manipulate Windows Services	ADVAPI32.dll::EnumDependentServicesW

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