MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a61525f9b5b24572111616ac596ccde037ec91fb8225c21acdfd8b96c3892554. 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: a61525f9b5b24572111616ac596ccde037ec91fb8225c21acdfd8b96c3892554
SHA3-384 hash: d879c19ce554dc61f8e5d6840148b83b3d41480371548b5ee809f6725164bedfceb0911ef44179679701de915b6f9746
SHA1 hash: 286786b0708bf08e0d192374276f6b791170b5e8
MD5 hash: 99138122c12efbb499e6b76bd91e107f
humanhash: hotel-orange-solar-black
File name:99138122c12efbb499e6b76bd91e107f.exe
Download: download sample
Signature LummaStealer
File size:637'440 bytes
First seen:2024-12-24 07:36:13 UTC
Last seen:2025-01-10 10:37:16 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'751 x AgentTesla, 19'657 x Formbook, 12'248 x SnakeKeylogger)
ssdeep 12288:Vs/7SqtP88AQB2Uy9t+T6eHfvpEXZmSbWJFrjRCe:VSP88k3+WeHfvpEaRCe
TLSH T18ED43C5F537BE605E08E00709AE6323B5DB5DE66E203CCF26BC4E5676066821DBECD12
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10522/11/4)
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 :
404
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
99138122c12efbb499e6b76bd91e107f.exe
Verdict:
Malicious activity
Analysis date:
2024-12-24 07:46:12 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:
virus msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Launching a process
Creating a file
DNS request
Behavior that indicates a threat
Connection attempt
Sending a custom TCP request
Query of malicious DNS domain
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context lolbin msbuild 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.
Malware family:
LummaC2 Stealer
Verdict:
Malicious
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.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
Found malware configuration
Injects a PE file into a foreign processes
LummaC encrypted strings found
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
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
Behaviour
Behavior Graph:
Threat name:
Win32.Exploit.LummaC
Status:
Malicious
First seen:
2024-12-21 00:49:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
31 of 38 (81.58%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:lumma discovery stealer
Behaviour
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Loads dropped DLL
Lumma Stealer, LummaC
Lumma family
Malware Config
C2 Extraction:
https://spellshagey.biz/api
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
d8c87992a223bd3c08fe21ed7cd601ee6199ab1694fab06f2a1c3808a8f52051
MD5 hash:
fb3aea4601600bcfc8a11ea1664ad4df
SHA1 hash:
1e31ac31870b8163e7aa26980952c4d7ddbeaa94
Detections:
LummaStealer
SH256 hash:
a61525f9b5b24572111616ac596ccde037ec91fb8225c21acdfd8b96c3892554
MD5 hash:
99138122c12efbb499e6b76bd91e107f
SHA1 hash:
286786b0708bf08e0d192374276f6b791170b5e8
Detections:
LummaStealer
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:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
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 a61525f9b5b24572111616ac596ccde037ec91fb8225c21acdfd8b96c3892554

(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 (HIGH_ENTROPY_VA)high

Comments