MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 91d232a4af8429a9495292eac11577d6f7a6e878fd7e34fb8ba9db45149efb85. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 91d232a4af8429a9495292eac11577d6f7a6e878fd7e34fb8ba9db45149efb85
SHA3-384 hash: 942f4d3d8b6ad455362a9494da6f7b45e223a3e7c23007c6090a51988aad4756ed50fa3d39ddddf217cf58dbac02b4bf
SHA1 hash: 00d733cc6f8387ddda8b7abaf0849738a7dfcae9
MD5 hash: 52ae89a2cfa207a72090d1c21358b0b1
humanhash: low-black-mississippi-fix
File name:52ae89a2cfa207a72090d1c21358b0b1.exe
Download: download sample
Signature LummaStealer
Create hunting rule
File size:1'829'888 bytes
First seen:2024-12-20 15:10:33 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 2eabe9054cad5152567f0699947a2c5b (2'852 x LummaStealer, 1'312 x Stealc, 1'026 x Healer)
ssdeep 49152:9quegxvLKw0VrDQx9xsDp9aV+FF9Nl2v0FpIs:AVgR09UxsDbfFbys
TLSH T159853359691F98DCF74225F048DEC3413AA4EB28DBCFA3AC2BD6702C981777856049CE
TrID 42.7% (.EXE) Win32 Executable (generic) (4504/4/1)
19.2% (.EXE) OS/2 Executable (generic) (2029/13)
19.0% (.EXE) Generic Win/DOS Executable (2002/3)
18.9% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
Reporter abuse_ch
Tags:exe LummaStealer

Intelligence

File Origin
# of uploads :
1
# of downloads :
374
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
52ae89a2cfa207a72090d1c21358b0b1.exe
Verdict:
Malicious activity
Analysis date:
2024-12-20 16:36:59 UTC
Tags:
lumma stealer themida loader stealc
Link:
https://app.any.run/tasks/7b09f0c0-263f-4fff-b1ef-527026b747ec

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.PWS.Lumma.1173.19740.6562.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6765890f75bf3268d2fd3aff
Tags:
vmdetect spam
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Searching for analyzing tools
Searching for the window
Connection attempt to an infection source
Query of malicious DNS domain
Sending a TCP request to an infection source
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm anti-vm packed packed packer_detected xpack
Link:
https://www.filescan.io/uploads/6765890adfd3fc9d659de65d/reports/90a74a89-a435-41a8-b571-0535c6e734be/overview
Verdict:
Malicious
Labled as:
Jaik.Generic
Link:
https://www.hybrid-analysis.com/sample/91d232a4af8429a9495292eac11577d6f7a6e878fd7e34fb8ba9db45149efb85
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/8015764d-9180-4adf-9786-1a143e873c20
Result
Threat name:
LummaC, Stealc
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1578936
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Disable Windows Defender notifications (registry)
Disable Windows Defender real time protection (registry)
Disables Windows Defender Tamper protection
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Hides threads from debuggers
LummaC encrypted strings found
Machine Learning detection for dropped file
Machine Learning detection for sample
Modifies windows update settings
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Query firmware table information (likely to detect VMs)
Suricata IDS alerts for network traffic
Tries to detect process monitoring tools (Task Manager, Process Explorer etc.)
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Tries to detect virtualization through RDTSC time measurements
Tries to evade debugger and weak emulator (self modifying code)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to steal Crypto Currency Wallets
Yara detected LummaC Stealer
Yara detected Powershell download and execute
Yara detected Stealc
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1578936 Sample: XNtOBQ5NHr.exe Startdate: 20/12/2024 Architecture: WINDOWS Score: 100 22 sweepyribs.lat 2->22 24 grannyejh.lat 2->24 26 discokeyus.lat 2->26 34 Suricata IDS alerts for network traffic 2->34 36 Found malware configuration 2->36 38 Antivirus / Scanner detection for submitted sample 2->38 40 9 other signatures 2->40 7 XNtOBQ5NHr.exe 2 2->7         started        signatures3 process4 dnsIp5 28 185.215.113.16, 49739, 80 WHOLESALECONNECTIONSNL Portugal 7->28 30 discokeyus.lat 172.67.197.170, 443, 49704, 49705 CLOUDFLARENETUS United States 7->30 18 C:\Users\user\...\YYVZHLAZ7NPNQKZ17XJO.exe, PE32 7->18 dropped 20 C:\Users\...\I8TEVW54DAWA7LANTKTUH8I1LE.exe, PE32 7->20 dropped 42 Query firmware table information (likely to detect VMs) 7->42 44 Found many strings related to Crypto-Wallets (likely being stolen) 7->44 46 Tries to harvest and steal ftp login credentials 7->46 48 8 other signatures 7->48 12 I8TEVW54DAWA7LANTKTUH8I1LE.exe 9 1 7->12         started        15 YYVZHLAZ7NPNQKZ17XJO.exe 13 7->15         started        file6 signatures7 process8 dnsIp9 50 Detected unpacking (changes PE section rights) 12->50 52 Machine Learning detection for dropped file 12->52 54 Modifies windows update settings 12->54 62 7 other signatures 12->62 32 185.215.113.206, 49774, 80 WHOLESALECONNECTIONSNL Portugal 15->32 56 Antivirus detection for dropped file 15->56 58 Tries to detect sandboxes and other dynamic analysis tools (window names) 15->58 60 Tries to evade debugger and weak emulator (self modifying code) 15->60 signatures10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/91d232a4af8429a9495292eac11577d6f7a6e878fd7e34fb8ba9db45149efb85
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/91d232a4af8429a9495292eac11577d6f7a6e878fd7e34fb8ba9db45149efb85/
Threat name:
Win32.Ransomware.StealC
Create hunting rule
Status:
Malicious
First seen:
2024-12-20 15:11:06 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=shjdfjfpqqu2ssksslvmcflx2332n2dy7v7dj64lvhnukfe67ocq._file
Verdict:
malicious
Label(s):
lummastealer
Create hunting rule
Similar samples:
error
LummaStealer
Result
Malware family:
lumma
Create hunting rule
Score:
  10/10
Tags:
family:lumma discovery evasion stealer
Link:
https://tria.ge/reports/241220-skmbpsxrgw/
Behaviour
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
System Location Discovery: System Language Discovery
Suspicious use of NtSetInformationThreadHideFromDebugger
Checks BIOS information in registry
Identifies Wine through registry keys
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Lumma Stealer, LummaC
Lumma family
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/abc4e98d-4ca3-4744-8e2c-7dd436526514
Unpacked files
SH256 hash:
98a0b33c230bc7bc8fbfcf1a9b5fa6494e690bab65e9d28d15d81d8624792f13
MD5 hash:
e3a2a9e7353d44e02e8b232a17722e12
SHA1 hash:
521f0ee806a01e566d33a11d9a5f6cfb220b4425
Link:
https://www.unpac.me/results/12873c1a-dbd0-465c-9de3-f43002aa58cf/
SH256 hash:
91d232a4af8429a9495292eac11577d6f7a6e878fd7e34fb8ba9db45149efb85
MD5 hash:
52ae89a2cfa207a72090d1c21358b0b1
SHA1 hash:
00d733cc6f8387ddda8b7abaf0849738a7dfcae9
Link:
https://www.unpac.me/results/12873c1a-dbd0-465c-9de3-f43002aa58cf/
Malware family:
Lumma
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/91d232a4af84/report/overview.html
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:Sus_Obf_Enc_Spoof_Hide_PE
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Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

LummaStealer

Executable exe 91d232a4af8429a9495292eac11577d6f7a6e878fd7e34fb8ba9db45149efb85

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3337943/
  
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
CHECK_NXMissing Non-Executable Memory Protectioncritical

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