MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b515bc457c6dd7b9c2c6e94c3d7303e596af7a20d376b1be58474c3942a6c253. 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 1 File information Comments

SHA256 hash:	b515bc457c6dd7b9c2c6e94c3d7303e596af7a20d376b1be58474c3942a6c253
SHA3-384 hash:	077a0875e689e3e4898f30747b519d667c0cbe9bff0f7ba9da0fe04359a8b84b9291c176eff2cacd99b3f116584d54be
SHA1 hash:	f1dad7d27c8d99766eb7fe7d1faab49a2fd3668b
MD5 hash:	9f66aacf7a94a3dd7f2c5355cd466834
humanhash:	chicken-arkansas-sixteen-carbon
File name:	9f66aacf7a94a3dd7f2c5355cd466834.exe
Download:	download sample
Signature	LummaStealer Create hunting rule
File size:	1'844'736 bytes
First seen:	2024-12-15 08:14:55 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	2eabe9054cad5152567f0699947a2c5b (2'852 x LummaStealer, 1'312 x Stealc, 1'026 x Healer)
ssdeep	49152:XAVrz3vWHc/P7SELe3yDiB1xLGcvqaeQ799A:XAVrz6cuEM1hGcSQ74
TLSH	T1BB85333D5F274227CF8F5BB6911B075B7A1B07482ED85B8609098EBF16272C732969F0
TrID	42.7% (.EXE) Win32 Executable (generic) (4504/4/1) 19.2% (.EXE) OS/2 Executable (generic) (2029/13) 19.0% (.EXE) Generic Win/DOS Executable (2002/3) 18.9% (.EXE) DOS Executable Generic (2000/1)
Magika	pebin
Reporter	abuse_ch
Tags:	exe LummaStealer

Intelligence

File Origin

# of uploads :

# of downloads :

377

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

9f66aacf7a94a3dd7f2c5355cd466834.exe

Verdict:

Malicious activity

Analysis date:

2024-12-15 08:17:51 UTC

Tags:

lumma stealer loader stealc

Link:

https://app.any.run/tasks/f3a683cd-da35-451b-87d6-ce2c2a3db0cf

Note:

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

Detection(s):

SecuriteInfo.com.Win32.Evo-gen.11401.14133.UNOFFICIAL

Verdict:

Malicious

Score:

95.7%

Link:

https://cyber-fortress.com/docs/result/index.php?id=675e926b8fb73f13afc911db

Tags:

virus spawn

Result

Verdict:

Malware

Maliciousness:

Behaviour

Сreating synchronization primitives

Searching for analyzing tools

Searching for the window

Connection attempt to an infection source

Behavior that indicates a threat

DNS request

Connection attempt

Sending a custom TCP request

Sending a UDP request

Query of malicious DNS domain

Sending a TCP request to an infection source

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

packed packed packer_detected

Link:

https://www.filescan.io/uploads/675e900d98f3f03106e4aac7/reports/5eb8c99b-b86c-4447-a5b7-cf3f38366f49/overview

Verdict:

Malicious

Labled as:

Symmi.Generic

Link:

https://www.hybrid-analysis.com/sample/b515bc457c6dd7b9c2c6e94c3d7303e596af7a20d376b1be58474c3942a6c253

Result

Verdict:

MALICIOUS

Verdict:

Unknown

Link:

https://analyze.intezer.com/analyses/e3618248-beb9-4f8d-9d86-d3c8f4930e6f

Result

Threat name:

LummaC

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1575328

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)

Found malware configuration

Hides threads from debuggers

LummaC encrypted strings found

Machine Learning detection for sample

Multi AV Scanner detection for submitted file

PE file contains section with special chars

Performs DNS queries to domains with low reputation

Sample uses string decryption to hide its real strings

Suricata IDS alerts for network traffic

Tries to detect process monitoring tools (Task Manager, Process Explorer etc.)

Tries to detect sandboxes / dynamic malware analysis system (registry check)

Tries to detect sandboxes and other dynamic analysis tools (window names)

Tries to detect virtualization through RDTSC time measurements

Tries to evade debugger and weak emulator (self modifying code)

Yara detected LummaC Stealer

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/b515bc457c6dd7b9c2c6e94c3d7303e596af7a20d376b1be58474c3942a6c253

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/b515bc457c6dd7b9c2c6e94c3d7303e596af7a20d376b1be58474c3942a6c253/

Threat name:

Win32.Exploit.LummaC

Status:

Malicious

First seen:

2024-12-15 08:15:09 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

21 of 24 (87.50%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=wuk3yrl4nxl3tqwg5fgd24yd4wlk66ra2n3ldpsyi5gdsqvgyjjq._file

Verdict:

malicious

Label(s):

lummastealer

Similar samples:

error

LummaStealer

Result

Malware family:

lumma

Score:

10/10

Tags:

family:lumma discovery evasion stealer

Link:

https://tria.ge/reports/241215-j5k5pszphl/

Behaviour

Suspicious behavior: EnumeratesProcesses

System Location Discovery: System Language Discovery

Suspicious use of NtSetInformationThreadHideFromDebugger

Checks BIOS information in registry

Identifies Wine through registry keys

Identifies VirtualBox via ACPI registry values (likely anti-VM)

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
https://tacitglibbr.biz/api

Verdict:

Suspicious

Tags:

stealer c2 lumma lumma_stealer

YARA:

n/a

Link:

https://app.threat.zone/submission/95130f4a-85ce-4ac0-b5bf-0b3a169fdd72

Unpacked files

SH256 hash:

e54acc84176c02cd989b2b3e2bf60bd0448aebc1e186b80375a48cd294addc95

MD5 hash:

4e39d975d80fc8c7986ec90bd5dd8bb3

SHA1 hash:

57bd822ba52d41ee6cf5b8d4b30e3f52af65deb0

Link:

https://www.unpac.me/results/9c2b6c2a-5509-4d35-9cdf-cf575c49f8e0/

SH256 hash:

b515bc457c6dd7b9c2c6e94c3d7303e596af7a20d376b1be58474c3942a6c253

MD5 hash:

9f66aacf7a94a3dd7f2c5355cd466834

SHA1 hash:

f1dad7d27c8d99766eb7fe7d1faab49a2fd3668b

Link:

https://www.unpac.me/results/9c2b6c2a-5509-4d35-9cdf-cf575c49f8e0/

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

Threat name:

Malicious File

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/b515bc457c6dd7b9c2c6e94c3d7303e596af7a20d376b1be58474c3942a6c253

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:	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 b515bc457c6dd7b9c2c6e94c3d7303e596af7a20d376b1be58474c3942a6c253

(this sample)

URLhaus

https://urlhaus.abuse.ch/url/3245480/

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_NX	Missing Non-Executable Memory Protection	critical

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