MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3f84c4383f10c49ea94cb7bbc645f1aca9bf1f61d8ef6034d8088ebed952436c. 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 7 File information Comments

SHA256 hash: 3f84c4383f10c49ea94cb7bbc645f1aca9bf1f61d8ef6034d8088ebed952436c
SHA3-384 hash: ed4450e3d0a386ba415405c99ed4c8c05440ef87d0c12e5e04df10eb7101f8ad1b8d5c20c5133b11353d03695bad0b6f
SHA1 hash: 2a3a972e5e5415e94d52f19b807fb84560c2129d
MD5 hash: d3d1c5b97e9575841412db18db9c150b
humanhash: delta-earth-asparagus-fillet
File name:d3d1c5b97e9575841412db18db9c150b.exe
Download: download sample
Signature LummaStealer
File size:352'256 bytes
First seen:2024-09-02 05:58:42 UTC
Last seen:2024-09-02 06:50:23 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:4nva5Yv2a1tGQS4qv/jPRtnQpebN5849SCsINeCRPXW:4nva5Yvtt9mrRtnQpe381CsIN3R
TLSH T14D74F10B37C94331D55619B6C4E3982443F3B19367B3D58A3EC54ADA4DA27E8AC86F8C
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter abuse_ch
Tags:exe LummaStealer

Intelligence


File Origin
# of uploads :
2
# of downloads :
387
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
d3d1c5b97e9575841412db18db9c150b.exe
Verdict:
Malicious activity
Analysis date:
2024-09-02 06:52:57 UTC
Tags:
lumma stealer loader xmrig pastebin susp-powershell

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
94.1%
Tags:
Static Malware
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a file
DNS request
Connection attempt
Sending a custom TCP request
Connection attempt to an infection source
Using the Windows Management Instrumentation requests
Searching for the window
Forced shutdown of a system process
Query of malicious DNS domain
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
net_reactor packed packed
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.
Result
Threat name:
LummaC, PureLog Stealer
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains very large array initializations
AI detected suspicious sample
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Found malware configuration
Injects a PE file into a foreign processes
LummaC encrypted strings found
Machine Learning detection for sample
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Suricata IDS alerts for network traffic
Writes to foreign memory regions
Yara detected LummaC Stealer
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1502734 Sample: mth9UWp36C.exe Startdate: 02/09/2024 Architecture: WINDOWS Score: 100 27 locatedblsoqp.shop 2->27 29 ensuredqsnjqk.shop 2->29 35 Multi AV Scanner detection for domain / URL 2->35 37 Suricata IDS alerts for network traffic 2->37 39 Found malware configuration 2->39 41 10 other signatures 2->41 8 mth9UWp36C.exe 2 2->8         started        signatures3 process4 file5 25 C:\Users\user\AppData\...\mth9UWp36C.exe.log, ASCII 8->25 dropped 43 Contains functionality to inject code into remote processes 8->43 45 Writes to foreign memory regions 8->45 47 Allocates memory in foreign processes 8->47 49 2 other signatures 8->49 12 RegAsm.exe 8->12         started        15 conhost.exe 8->15         started        17 RegAsm.exe 8->17         started        19 RegAsm.exe 8->19         started        signatures6 process7 dnsIp8 31 locatedblsoqp.shop 188.114.96.3, 443, 49731, 49732 CLOUDFLARENETUS European Union 12->31 33 ensuredqsnjqk.shop 188.114.97.3, 443, 49730 CLOUDFLARENETUS European Union 12->33 21 WerFault.exe 22 16 12->21         started        23 WerFault.exe 2 12->23         started        process9
Threat name:
ByteCode-MSIL.Trojan.LummaStealer
Status:
Malicious
First seen:
2024-09-01 10:47:50 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Behaviour
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
3f84c4383f10c49ea94cb7bbc645f1aca9bf1f61d8ef6034d8088ebed952436c
MD5 hash:
d3d1c5b97e9575841412db18db9c150b
SHA1 hash:
2a3a972e5e5415e94d52f19b807fb84560c2129d
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
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:DotNet_Reactor
Author:@bartblaze
Description:Identifies .NET Reactor, which offers .NET code protection such as obfuscation, encryption and so on.
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Author:malware-lu
Rule name:pe_imphash
Rule name:PureCrypter
Author:@bartblaze
Description:Identifies PureCrypter, .NET loader and obfuscator.
Reference:https://malpedia.caad.fkie.fraunhofer.de/details/win.purecrypter
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Web download

LummaStealer

Executable exe 3f84c4383f10c49ea94cb7bbc645f1aca9bf1f61d8ef6034d8088ebed952436c

(this sample)

  
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 (GUARD_CF)high

Comments