MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 def7574a3b3fc98294e5be9b881cd137d14e44f5b6add55374cdef0bbd7cb3dc. 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: def7574a3b3fc98294e5be9b881cd137d14e44f5b6add55374cdef0bbd7cb3dc
SHA3-384 hash: 51bbcc3e6d457f64686e25645dab9e93bdb3d4133bb6130bee0e1f5f1eb83a901ab662bc7a4deb7bb969acd97ce9700c
SHA1 hash: c6d418ff9e989a39f69add06532d26594e76533f
MD5 hash: 865072e23e8869c25bc724a7b075211f
humanhash: lithium-chicken-princess-whiskey
File name:66bfee9fd7d9a_lumma.exe
Download: download sample
Signature LummaStealer
File size:293'968 bytes
First seen:2024-08-18 20:04:56 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 6144:LGZDqQoOlvUWdggCXYYMTzsV1u4eq6aEOcB1NdETEO:3OlMDWzsG4eqEOcrETEO
TLSH T10854225A0A944674DADA4FB219D5C333BF36A2A27AD7878B0163C23B9F813813A54177
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 aachum
Tags:exe LummaStealer


Avatar
iamaachum
147.45.44.104/prog/66bfee9fd7d9a_lumma.exe

Lumma C2:
https://cagedwifedsozm.shop/api
https://potentioallykeos.shop/api
https://interactiedovspm.shop/api
https://charecteristicdxp.shop/api
https://deicedosmzj.shop/api
https://southedhiscuso.shop/api
https://consciousourwi.shop/api
https://tenntysjuxmz.shop/api

Intelligence


File Origin
# of uploads :
1
# of downloads :
364
Origin country :
ES ES
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
66bddfc358668_stealc.exe
Verdict:
Malicious activity
Analysis date:
2024-08-18 20:03:56 UTC
Tags:
stealer stealc loader lumma vidar

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
93.3%
Tags:
Encryption Static Nekark
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay 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
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 evasive API chain (may stop execution after checking mutex)
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
Writes to foreign memory regions
Yara detected LummaC Stealer
Behaviour
Behavior Graph:
Threat name:
Win32.Spyware.Lummastealer
Status:
Malicious
First seen:
2024-08-18 15:08:47 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
21 of 24 (87.50%)
Threat level:
  2/5
Verdict:
malicious
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://cagedwifedsozm.shop/api
https://potentioallykeos.shop/api
https://interactiedovspm.shop/api
https://charecteristicdxp.shop/api
https://deicedosmzj.shop/api
https://southedhiscuso.shop/api
https://consciousourwi.shop/api
https://tenntysjuxmz.shop/api
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
381c076ea01f450407e7406aadbfed16eee9cd7309f735c8182f22bae5b272e9
MD5 hash:
33c665994bbcaa45c6d55f807350cac6
SHA1 hash:
584c0e54140eccb79495fab41469f2511acd6502
Detections:
LummaStealer
SH256 hash:
def7574a3b3fc98294e5be9b881cd137d14e44f5b6add55374cdef0bbd7cb3dc
MD5 hash:
865072e23e8869c25bc724a7b075211f
SHA1 hash:
c6d418ff9e989a39f69add06532d26594e76533f
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_Digital_Certificate
Author:albertzsigovits
Rule name:pe_imphash
Rule name:PE_Potentially_Signed_Digital_Certificate
Author:albertzsigovits
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 def7574a3b3fc98294e5be9b881cd137d14e44f5b6add55374cdef0bbd7cb3dc

(this sample)

  
Dropped by
PrivateLoader
  
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