MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 27d7ce1e09a9fd9540e512911df89895ec1dd9cd04c9ccea6228c6b01b2af69a. 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

SHA256 hash: 27d7ce1e09a9fd9540e512911df89895ec1dd9cd04c9ccea6228c6b01b2af69a
SHA3-384 hash: 4d8c319c1d5e28c07fc1f457b92ee10a0f662033becb7f155a99e87d64d99f49a2a18e0ff3acd8ec2867a18dc7a2069d
SHA1 hash: 639e84e6ad995b796afd315854b2975403f44019
MD5 hash: 62b0972debc28c978b60cdc3d8654e36
humanhash: uranus-solar-autumn-idaho
File name:62b0972debc28c978b60cdc3d8654e36.exe
Download: download sample
Signature LummaStealer
File size:1'861'120 bytes
First seen:2024-12-18 19:56:15 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 49152:5idxW/+91QTjizfU75bod4nHW4h9L+hDQNLGP96KMc:Cx6+91e9PDp+hyg94
TLSH T1078533454CA3C3A2CD81C7F5E62A11642B7D8D636FEDD96FB6EE093963C21D17401EA0
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 :
460
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
62b0972debc28c978b60cdc3d8654e36.exe
Verdict:
Malicious activity
Analysis date:
2024-12-18 20:19:04 UTC
Tags:
lumma stealer themida loader stealc

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
vmdetect spam
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Searching for analyzing tools
Connection attempt to an infection source
Behavior that indicates a threat
DNS request
Connection attempt
Sending a custom TCP request
Query of malicious DNS domain
Sending a TCP request to an infection source
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-vm packed packed packer_detected xpack
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:
LummaC, Stealc
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1577898 Sample: CefJcYwgWs.exe Startdate: 18/12/2024 Architecture: WINDOWS Score: 100 22 sweepyribs.lat 2->22 24 grannyejh.lat 2->24 32 Suricata IDS alerts for network traffic 2->32 34 Found malware configuration 2->34 36 Antivirus detection for URL or domain 2->36 38 10 other signatures 2->38 7 CefJcYwgWs.exe 2 2->7         started        signatures3 process4 dnsIp5 26 185.215.113.16, 49753, 80 WHOLESALECONNECTIONSNL Portugal 7->26 28 grannyejh.lat 104.21.64.80, 443, 49704, 49705 CLOUDFLARENETUS United States 7->28 18 C:\Users\...\DGTBFTORQUN59YKWCAQHEZHS.exe, PE32 7->18 dropped 20 C:\...\9NSRL8LC1ESOY75FJ6C740WE2BG2MAE.exe, PE32 7->20 dropped 40 Query firmware table information (likely to detect VMs) 7->40 42 Found many strings related to Crypto-Wallets (likely being stolen) 7->42 44 Tries to harvest and steal ftp login credentials 7->44 46 8 other signatures 7->46 12 DGTBFTORQUN59YKWCAQHEZHS.exe 9 1 7->12         started        15 9NSRL8LC1ESOY75FJ6C740WE2BG2MAE.exe 13 7->15         started        file6 signatures7 process8 dnsIp9 48 Antivirus detection for dropped file 12->48 50 Detected unpacking (changes PE section rights) 12->50 52 Machine Learning detection for dropped file 12->52 60 7 other signatures 12->60 30 185.215.113.206, 49784, 80 WHOLESALECONNECTIONSNL Portugal 15->30 54 Tries to detect sandboxes and other dynamic analysis tools (window names) 15->54 56 Tries to evade debugger and weak emulator (self modifying code) 15->56 58 Hides threads from debuggers 15->58 signatures10
Threat name:
Win32.Trojan.Symmi
Status:
Malicious
First seen:
2024-12-18 07:06:51 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
21 of 38 (55.26%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:lumma family:stealc botnet:stok discovery evasion spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Browser Information Discovery
System Location Discovery: System Language Discovery
Suspicious use of NtSetInformationThreadHideFromDebugger
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Checks BIOS information in registry
Executes dropped EXE
Identifies Wine through registry keys
Loads dropped DLL
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Windows security modification
Downloads MZ/PE file
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Lumma Stealer, LummaC
Lumma family
Modifies Windows Defender Real-time Protection settings
Stealc
Stealc family
Malware Config
C2 Extraction:
http://185.215.113.206
Verdict:
Suspicious
Tags:
lumma c2 lumma_stealer stealer
YARA:
n/a
Unpacked files
SH256 hash:
8e317bf3971b771b4d158a29c8a208532a6ed091b8dadf41d84d88f5bd66c6b4
MD5 hash:
a786fdd77973de338d330f178a17058f
SHA1 hash:
3d5c589f6f65e9a637cbefcbb44792c99065522e
SH256 hash:
27d7ce1e09a9fd9540e512911df89895ec1dd9cd04c9ccea6228c6b01b2af69a
MD5 hash:
62b0972debc28c978b60cdc3d8654e36
SHA1 hash:
639e84e6ad995b796afd315854b2975403f44019
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
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:vmdetect
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 27d7ce1e09a9fd9540e512911df89895ec1dd9cd04c9ccea6228c6b01b2af69a

(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
CHECK_NXMissing Non-Executable Memory Protectioncritical

Comments