MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dc4650e2e09a969e5bae615a35164308eb8f0e5927c5494ffcd86844d417fd2b. 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: 14


Intelligence 14 IOCs YARA 8 File information Comments 2

SHA256 hash: dc4650e2e09a969e5bae615a35164308eb8f0e5927c5494ffcd86844d417fd2b
SHA3-384 hash: 9e7799511ee55b1a2847b9dcb35caaa4a75033874242a41f74fe17cb3a8c7148b53498d5dd22860eb3d19c376ffd90b3
SHA1 hash: 534e219e773988fb0888e11984e709d1f9d95799
MD5 hash: 59244537c286377fd94bffa512fb5094
humanhash: harry-oranges-sweet-butter
File name:Setup.exe
Download: download sample
Signature LummaStealer
File size:380'792 bytes
First seen:2024-09-21 14:24:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:haacEYLPk5XR8mOBN3W08HxLrgl89B2tXLYHJHTJPzsU4SWrnuQOKNm/:hBcEYo5BQLYIl2BKUpzB4hSWyQO6c
Threatray 52 similar samples on MalwareBazaar
TLSH T16984233B4DC43861E9780B7738B39752238673D38B67190A572EA6352F13EE4236436B
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 yuyuko
Tags:exe LummaStealer


Avatar
shikieikiyuyuko
LummaStealer C2: https://contractowno.shop/

Intelligence


File Origin
# of uploads :
1
# of downloads :
417
Origin country :
KR KR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Setup.exe
Verdict:
Malicious activity
Analysis date:
2024-09-21 13:27:08 UTC
Tags:
lumma stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
90.2%
Tags:
Encryption Static Stealth
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Launching a process
Creating a file
DNS request
Forced shutdown of a system process
Unauthorized injection to a system process
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 malware configuration
Injects a PE file into a foreign processes
LummaC encrypted strings found
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
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1515102 Sample: Setup.exe Startdate: 21/09/2024 Architecture: WINDOWS Score: 100 25 contractowno.shop 2->25 27 241.42.69.40.in-addr.arpa 2->27 31 Multi AV Scanner detection for domain / URL 2->31 33 Suricata IDS alerts for network traffic 2->33 35 Found malware configuration 2->35 37 7 other signatures 2->37 8 Setup.exe 2 2->8         started        signatures3 process4 file5 23 C:\Users\user\AppData\Local\...\Setup.exe.log, CSV 8->23 dropped 39 Contains functionality to inject code into remote processes 8->39 41 Writes to foreign memory regions 8->41 43 Allocates memory in foreign processes 8->43 45 2 other signatures 8->45 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 29 contractowno.shop 172.67.194.130, 443, 49705, 49706 CLOUDFLARENETUS United States 12->29 21 WerFault.exe 20 16 12->21         started        process9
Threat name:
Win32.Infostealer.Tinba
Status:
Malicious
First seen:
2024-09-21 14:25:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
12 of 38 (31.58%)
Threat level:
  5/5
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://contractowno.shop/api
Unpacked files
SH256 hash:
593088a720877e62cdb40a02123eabbf315b5c6e7ebfe813a6baaaa24066fa63
MD5 hash:
657fc0338fe50a92546af19c9215df9d
SHA1 hash:
550f3a81e6af56096a9f763c0b621d180fd63f38
Detections:
LummaStealer
SH256 hash:
dc4650e2e09a969e5bae615a35164308eb8f0e5927c5494ffcd86844d417fd2b
MD5 hash:
59244537c286377fd94bffa512fb5094
SHA1 hash:
534e219e773988fb0888e11984e709d1f9d95799
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:Detect_APT29_WINELOADER_Backdoor
Author:daniyyell
Description:Detects APT29's WINELOADER backdoor variant used in phishing campaigns, this rule also detect bad pdf,shtml,htm and vbs or maybe more depends
Reference:https://cloud.google.com/blog/topics/threat-intelligence/apt29-wineloader-german-political-parties
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 dc4650e2e09a969e5bae615a35164308eb8f0e5927c5494ffcd86844d417fd2b

(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
commented on 2024-09-22 13:36:13 UTC

C2 domain contractowno.shop is handled by Dynadot
Domain Status: clientHold https://icann.org/epp#clientHold
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Domain Status: inactive https://icann.org/epp#inactive
Domain Status: addPeriod https://icann.org/epp#addPeriod

Avatar
commented on 2024-09-21 14:27:35 UTC

C2 https://contractowno.shop/api is already marked by CloudFlare