MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b83a1f57cac8525b3cf0e64196418f40f5360b029e7c39daaa5909066b49e8de. 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: 17

Intelligence 17 IOCs YARA 1 File information Comments

SHA256 hash:	b83a1f57cac8525b3cf0e64196418f40f5360b029e7c39daaa5909066b49e8de
SHA3-384 hash:	8de60851b033cf98009e79aba67d7aa0b7ecb577570f8511df3c401585263e0518a2beb29cbd5e950a8688178936bad2
SHA1 hash:	280d168c2fd1c0907eca8f1818b3cd6898586c88
MD5 hash:	de5663a16524882ceb5a3010b0ec0b1e
humanhash:	september-kitten-snake-uranus
File name:	de5663a16524882ceb5a3010b0ec0b1e.exe
Download:	download sample
Signature	LummaStealer Create hunting rule
File size:	1'873'920 bytes
First seen:	2024-12-26 11:35:31 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:aFXv9DJbQFO6Bs+3WuL7LockJ/fpgCDlJF1j8M9e:3FR3ffMc2fp3DDF1h9e
TLSH	T11B8533240583A9B6C435817333ABF376AFBA166050D28EC5BA4ED3F1848B3649755B3E
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 :

350

Origin country :

Vendor Threat Intelligence

Malware family:

amadey

ID:

File name:

21e68acd2b24f8ffdd2b03eba18955a41d47ca2b356cefd983f1c089054f7551

Verdict:

Malicious activity

Analysis date:

2024-12-26 03:45:34 UTC

Tags:

amadey botnet stealer loader themida lumma stealc credentialflusher

Link:

https://app.any.run/tasks/21b2d73d-af6e-4a34-991f-e7bc91090243

Note:

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

Detection(s):

SecuriteInfo.com.Variant.Symmi.83490.25078.25076.UNOFFICIAL

Verdict:

Malicious

Score:

99.1%

Link:

https://cyber-fortress.com/docs/result/index.php?id=676d3fa68a4d48ee35ffa890

Tags:

autorun cobalt

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Сreating synchronization primitives

Searching for analyzing tools

DNS request

Connection attempt

Sending a custom TCP request

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

packed packed packer_detected

Link:

https://www.filescan.io/uploads/676d3fa4920233e92085afb7/reports/e9c6d7e7-96eb-4fee-8878-77930278c1ab/overview

Verdict:

Malicious

Labled as:

Symmi.Generic

Link:

https://www.hybrid-analysis.com/sample/b83a1f57cac8525b3cf0e64196418f40f5360b029e7c39daaa5909066b49e8de

Result

Verdict:

MALICIOUS

Details

Windows PE Executable

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

Verdict:

Suspicious

Link:

https://analyze.intezer.com/analyses/9ccbbe77-ee01-49a0-8330-035704293ebf

Result

Threat name:

LummaC

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1580866

Signature

AI detected suspicious sample

Antivirus / Scanner detection for submitted sample

C2 URLs / IPs found in malware configuration

Detected unpacking (changes PE section rights)

Found malware configuration

Found many strings related to Crypto-Wallets (likely being stolen)

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

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 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)

Tries to harvest and steal browser information (history, passwords, etc)

Tries to harvest and steal ftp login credentials

Tries to steal Crypto Currency Wallets

Yara detected LummaC Stealer

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/b83a1f57cac8525b3cf0e64196418f40f5360b029e7c39daaa5909066b49e8de

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/b83a1f57cac8525b3cf0e64196418f40f5360b029e7c39daaa5909066b49e8de/

Threat name:

Win32.Trojan.Multiverze

Status:

Malicious

First seen:

2024-12-26 06:14:34 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

22 of 23 (95.65%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=xa5b6v6kzbjfwphq4zazmqmpid2tmcyctz6dtwvkleeqm22j5dpa._file

Verdict:

malicious

Label(s):

stealc

amadey

lummastealer

Similar samples:

error

LummaStealer

Result

Malware family:

lumma

Score:

10/10

Tags:

family:lumma discovery evasion stealer

Link:

https://tria.ge/reports/241226-nqkb3svjex/

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://hummskitnj.buzz/api
https://cashfuzysao.buzz/api
https://appliacnesot.buzz/api
https://screwamusresz.buzz/api
https://inherineau.buzz/api
https://scentniej.buzz/api
https://rebuildeso.buzz/api
https://prisonyfork.buzz/api
https://mindhandru.buzz/api

Verdict:

Suspicious

Tags:

stealer lumma_stealer lumma c2

YARA:

n/a

Link:

https://app.threat.zone/submission/cecdee60-f589-400b-8302-d6fdfd677235

Unpacked files

SH256 hash:

e148cec430ae1c88999475e4155ed14c1bd4755f228f26f03569771240efd8dc

MD5 hash:

793641d8886bd064c3ee4c6d5cefe39c

SHA1 hash:

46548a73722366333e8ff0f94de0a08d38d74fba

Link:

https://www.unpac.me/results/357bb064-b0d0-4a8c-915b-5dfed733ecf7/

SH256 hash:

b83a1f57cac8525b3cf0e64196418f40f5360b029e7c39daaa5909066b49e8de

MD5 hash:

de5663a16524882ceb5a3010b0ec0b1e

SHA1 hash:

280d168c2fd1c0907eca8f1818b3cd6898586c88

Link:

https://www.unpac.me/results/357bb064-b0d0-4a8c-915b-5dfed733ecf7/

Malware family:

Lumma

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/b83a1f57cac8/report/overview.html

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/b83a1f57cac8525b3cf0e64196418f40f5360b029e7c39daaa5909066b49e8de

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 b83a1f57cac8525b3cf0e64196418f40f5360b029e7c39daaa5909066b49e8de

(this sample)

URLhaus

https://urlhaus.abuse.ch/url/3337943/

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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