MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8c3a73d36493adf1d611bf8597b1ff145b3f6c5f4aaf5c5a0fc1d5d48725bb0b. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8c3a73d36493adf1d611bf8597b1ff145b3f6c5f4aaf5c5a0fc1d5d48725bb0b
SHA3-384 hash: 15a8cb1bf300309e278114eb02516f2cb66b99507a024ddfd6935c7877828611f4fc28a6feb7b0fbd1f4720bcbb4b2fd
SHA1 hash: 58d236c39c0ae786b5b516327523d8436c31e72d
MD5 hash: 12bf7a5301c02bbdf4666b6d9d38192c
humanhash: rugby-december-purple-texas
File name:file
Download: download sample
Signature LummaStealer
Create hunting rule
File size:3'030'528 bytes
First seen:2024-10-29 16:06:42 UTC
Last seen:2024-10-29 17:24:34 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 2eabe9054cad5152567f0699947a2c5b (2'852 x LummaStealer, 1'312 x Stealc, 1'026 x Healer)
ssdeep 49152:jm85PYYLtMAQ4bToh4CM7aLkBDHF0XaSE3+pW4Cxez9nF0ZraSyO2DB:jNYUtMAXToh4CM3Dl0XaSE3+pW4Cx09r
Threatray 26 similar samples on MalwareBazaar
TLSH T1BBE55B91F54571DFE89E2774952BCE42A86D03B94B3444C3DCA8F87ABE63CC016BAC64
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 Bitsight
Tags:exe LummaStealer


Avatar
Bitsight
url: http://185.215.113.16/luma/random.exe

Intelligence

File Origin
# of uploads :
21
# of downloads :
415
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-10-29 17:07:18 UTC
Tags:
themida lumma loader
Link:
https://app.any.run/tasks/b8c02928-34a7-4a61-8f60-fc56c74aff68

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.Evo-gen.17143.20184.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6721082da75e41aa6722c57d
Tags:
Vmdetect Spam
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Connection attempt
Sending a custom TCP request
Сreating synchronization primitives
Searching for analyzing tools
Searching for the window
Connection attempt to an infection source
Behavior that indicates a threat
Query of malicious DNS domain
Sending a TCP request to an infection source
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm anti-vm evasive fingerprint packed packed packer_detected
Link:
https://www.filescan.io/uploads/67210829d71e009bb1f83685/reports/bedfdc0c-6f88-4883-9bc2-48ea2fb28aab/overview
Verdict:
Malicious
Labled as:
Zusy.Generic
Link:
https://www.hybrid-analysis.com/sample/8c3a73d36493adf1d611bf8597b1ff145b3f6c5f4aaf5c5a0fc1d5d48725bb0b
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:
Malicious
Link:
https://analyze.intezer.com/analyses/1eb4ed7a-5fdb-47e0-8374-c1c2dcaae08f
Result
Threat name:
LummaC
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1544738
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Disable Windows Defender notifications (registry)
Disable Windows Defender real time protection (registry)
Disables Windows Defender Tamper protection
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 dropped file
Machine Learning detection for sample
Modifies windows update settings
Multi AV Scanner detection for submitted file
PE file contains section with special chars
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:
PE
Link:
https://malprob.io/report/8c3a73d36493adf1d611bf8597b1ff145b3f6c5f4aaf5c5a0fc1d5d48725bb0b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8c3a73d36493adf1d611bf8597b1ff145b3f6c5f4aaf5c5a0fc1d5d48725bb0b/
Threat name:
Win32.Trojan.Amadey
Create hunting rule
Status:
Malicious
First seen:
2024-10-29 16:07:05 UTC
File Type:
PE (Exe)
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rq5hhu3esow7dvqrx6czpmp7crnt63c7jkxvywqpyhk5jbzfxmfq._file
Verdict:
malicious
Label(s):
lummastealer
Create hunting rule
Similar samples:
3c8661adaa2b081109c7be61847f5b73207f88d8bc0f088392b79624b7948fa8
LummaStealer
61bbeef15d0f2e8a21a6f78c0895081c871fc8cf4085a5d5a481938e8d4ef78f
LummaStealer
6b2b0c1fcb05eb6811e26b07df264a6a2becb83a95da2a875860c83e55776ff9
LummaStealer
6ecffa523dd0f47994bde41a4b27a1074a5b99b3028bd6b7fdc7a773b5fd610d
LummaStealer
93e14db4af6b127444c9349f6c9162f4eebba4c220378be18d63f9951cb63b0c
LummaStealer
988d0d579cc79faac744cd7dfb04da46f67943eeb72f352065e26645fec2bf0a
LummaStealer
a924c3607b3af6edb9cf41348e63092d124b19f6b696d2230c5c64f4d8a0fd52
LummaStealer
d4d19b5ee4adee24e33546f4987b5ef9db2d57cba18b78b73781fc637969d530
LummaStealer
e8858826028984242479e4e2eeab90d6a3ffdd40288a3953782868ada5a98ecb
LummaStealer
error
LummaStealer
+ 16 additional samples on MalwareBazaar
Result
Malware family:
lumma
Create hunting rule
Score:
  10/10
Tags:
family:lumma discovery evasion stealer
Link:
https://tria.ge/reports/241029-tktapawgna/
Behaviour
Modifies system certificate store
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://necklacedmny.store/api
https://founpiuer.store/api
https://navygenerayk.store/api
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/1e7e92a3-7e0e-45d9-b28b-c68607b45073
Unpacked files
SH256 hash:
15bf387dce23e78cfd0b8d6fdf42560a9a0156e46b2718a1786b163dec1a63a2
MD5 hash:
2c16873330b0d8a419c71658a4a3a153
SHA1 hash:
a9fb9038afa9612feac9bc9b7cd4deb1727965a9
Link:
https://www.unpac.me/results/58a1af52-05dc-4dd8-bef3-a8c2dccc8970/
SH256 hash:
8c3a73d36493adf1d611bf8597b1ff145b3f6c5f4aaf5c5a0fc1d5d48725bb0b
MD5 hash:
12bf7a5301c02bbdf4666b6d9d38192c
SHA1 hash:
58d236c39c0ae786b5b516327523d8436c31e72d
Link:
https://www.unpac.me/results/58a1af52-05dc-4dd8-bef3-a8c2dccc8970/
Malware family:
Lumma
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8c3a73d36493/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/8c3a73d36493adf1d611bf8597b1ff145b3f6c5f4aaf5c5a0fc1d5d48725bb0b

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

File information

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

Web download

LummaStealer

Executable exe 8c3a73d36493adf1d611bf8597b1ff145b3f6c5f4aaf5c5a0fc1d5d48725bb0b

(this sample)

  
Dropped by
Amadey
  
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
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
CHECK_NXMissing Non-Executable Memory Protectioncritical

Comments