MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 91a36d137ebfa812b055728807e11338d15d3a5d869cb4babdf779266688e4dd. 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: 12


Intelligence 12 IOCs YARA 4 File information Comments 1

SHA256 hash: 91a36d137ebfa812b055728807e11338d15d3a5d869cb4babdf779266688e4dd
SHA3-384 hash: 611ee28988e57bbb74b9887b7a195cefc3bf7b2f0988d63676551a3a0970a7dadb93d260a3d0194a79e8ad282e7b7486
SHA1 hash: 6d277da314ef185ba9072a9b677b599b1f46c35b
MD5 hash: 04df085b57814d1a1accead4e153909e
humanhash: earth-spring-zulu-seven
File name:04df085b57814d1a1accead4e153909e
Download: download sample
Signature LummaStealer
File size:358'912 bytes
First seen:2024-03-22 06:22:06 UTC
Last seen:2024-03-22 08:41:38 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:zDWOoceP1MgpwtxxBT3AbW5QlCsnHosMns7zYmn3YX7lvD/zVohks+PfElUwGGh6:McGqgpajL/snHvMns7XoX7l7ZmksefEm
TLSH T11C7402097B98AB52C3606570E0E3D42E43F2ED532633D3057E4A86CA6E52BDDC946F8D
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)
Reporter zbetcheckin
Tags:32 exe LummaStealer

Intelligence


File Origin
# of uploads :
2
# of downloads :
377
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
91a36d137ebfa812b055728807e11338d15d3a5d869cb4babdf779266688e4dd.exe
Verdict:
Malicious activity
Analysis date:
2024-03-22 06:23:46 UTC
Tags:
lumma stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Launching a process
Creating a file
DNS request
Connection attempt
Sending a custom TCP request
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
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
Threat name:
LummaC, PureLog Stealer
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
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
Found many strings related to Crypto-Wallets (likely being stolen)
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
Query firmware table information (likely to detect VMs)
Sample uses string decryption to hide its real strings
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Crypto Currency Wallets
Writes to foreign memory regions
Yara detected LummaC Stealer
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Amadey
Status:
Malicious
First seen:
2024-03-22 01:10:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:lumma stealer
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Lumma Stealer
Malware Config
C2 Extraction:
https://relevantvoicelesskw.shop/api
Unpacked files
SH256 hash:
9404b3c2d35c3ee548eaef0a6f9fee0ff803fb5d65eb4c8049b66b1ef46ecb22
MD5 hash:
08742890fb6565862b1341cc4eac3df9
SHA1 hash:
11c7b2c76fedc3b181b7c4f75a12b09a12c0a187
SH256 hash:
91a36d137ebfa812b055728807e11338d15d3a5d869cb4babdf779266688e4dd
MD5 hash:
04df085b57814d1a1accead4e153909e
SHA1 hash:
6d277da314ef185ba9072a9b677b599b1f46c35b
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:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
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 91a36d137ebfa812b055728807e11338d15d3a5d869cb4babdf779266688e4dd

(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



Avatar
zbet commented on 2024-03-22 06:22:07 UTC

url : hxxp://193.233.132.167/lend/lummalg.exe