MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6590d9e982bace709e1e0ace4da24191616f5016281c637cb02a153650e668c2. 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 5 File information Comments

SHA256 hash: 6590d9e982bace709e1e0ace4da24191616f5016281c637cb02a153650e668c2
SHA3-384 hash: 687643b3934e96623b8fbb782672cb4c3d91054f7f99f11aca85f3a4e40903f3b6ef9f6ccfb6a87e3a587bfe0067910e
SHA1 hash: e9ca364af2840815b1eee851aff0469f25cf0206
MD5 hash: aee99f15e80c4b74b9b85340fc7367b7
humanhash: fifteen-lithium-india-orange
File name:kuly.exe
Download: download sample
Signature LummaStealer
File size:370'688 bytes
First seen:2024-09-29 07:17:59 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 6144:2e3SIvXtjrlBp2nSlNp5BpODDrkHzrFVREpCoIS8FtjBxxK:2Q5xBpXSrgrbREdyF3
TLSH T1B57423102F589737DF6651B02CF23316EB1624A50B878F7E64C9D9EE2F807960537B26
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 4k95m
Tags:exe LummaStealer

Intelligence


File Origin
# of uploads :
1
# of downloads :
445
Origin country :
JP JP
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
kuly.exe
Verdict:
Malicious activity
Analysis date:
2024-09-28 22:30:59 UTC
Tags:
lumma stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
90.9%
Tags:
Stealer Micro Msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Launching a process
Creating a file
DNS request
Behavior that indicates a threat
Connection attempt
Sending a custom TCP request
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:
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:
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
.NET source code references suspicious native API functions
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 submitted file
Sample uses string decryption to hide its real strings
Suricata IDS alerts for network traffic
Tries to resolve many domain names, but no domain seems valid
Writes to foreign memory regions
Yara detected LummaC Stealer
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.LummaStealer
Status:
Malicious
First seen:
2024-09-29 01:40:31 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
lummastealer
Result
Malware family:
Score:
  10/10
Tags:
family:lumma discovery stealer
Behaviour
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Lumma Stealer, LummaC
Malware Config
C2 Extraction:
https://reinforcenh.shop/api
https://stogeneratmns.shop/api
https://fragnantbui.shop/api
https://drawzhotdog.shop/api
https://vozmeatillu.shop/api
https://offensivedzvju.shop/api
https://ghostreedmnu.shop/api
https://gutterydhowi.shop/api
https://wallkedsleeoi.shop/api
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
e40f4d5da67af7008df22c9bb1f7d0ad58fd5ce767efad1181255c5b384967d1
MD5 hash:
46230b7f7d6ddf61e3c7e1815aecf1d6
SHA1 hash:
0d677efc9bb4d4292e43ec8cc3957790e3c36ab5
Detections:
LummaStealer
SH256 hash:
6590d9e982bace709e1e0ace4da24191616f5016281c637cb02a153650e668c2
MD5 hash:
aee99f15e80c4b74b9b85340fc7367b7
SHA1 hash:
e9ca364af2840815b1eee851aff0469f25cf0206
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:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
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 6590d9e982bace709e1e0ace4da24191616f5016281c637cb02a153650e668c2

(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