MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 81bf308c76d66c3c8d93f5202ff2211f2aad1442b9c64b1eb40aef60685b78ba. 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: 15
| SHA256 hash: | 81bf308c76d66c3c8d93f5202ff2211f2aad1442b9c64b1eb40aef60685b78ba |
|---|---|
| SHA3-384 hash: | cbf0b1f660411e386387a84c66b98dfb46e68c24c1c5f7e57a6bc21a141ce8c4c86e9f9b12bdb49513426e9d6a6eb41d |
| SHA1 hash: | 270385c022377e941abc235009da0e6e4e9dfb7b |
| MD5 hash: | ad8c2e682a2304872d34b870c7838533 |
| humanhash: | king-cola-xray-saturn |
| File name: | file |
| Download: | download sample |
| Signature | LummaStealer |
| File size: | 1'815'040 bytes |
| First seen: | 2024-11-25 16:10:59 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 2eabe9054cad5152567f0699947a2c5b (2'852 x LummaStealer, 1'312 x Stealc, 1'026 x Healer) |
| ssdeep | 49152:gpCOOLK+2fv09IsWoan21MdBGzWm0kzfaa:g1QCUWfnn4VYa |
| TLSH | T17285335ED93DA47AF0EC5EB1E8FAD1283AC5615622C907472A436CE514F772BBA30DC0 |
| 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 |  Bitsight |
| Tags: | exe LummaStealer |
Intelligence
File Origin
# of uploads :
1
# of downloads :
400
Origin country :
USVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file.exe
Verdict:
Malicious activity
Analysis date:
2024-11-25 16:13:53 UTC
Tags:
themida lumma loader stealer stealc
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Verdict:
Malicious
Score:
94.9%
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
Verdict:
Malicious
Labled as:
Symmi.Generic
Malware family:
LummaC2 Stealer
Verdict:
Malicious
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
100 / 100
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Detected unpacking (changes PE section rights)
Hides threads from debuggers
Machine Learning detection for sample
PE file contains section with special chars
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)
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
PE
Threat name:
Win32.Trojan.Symmi
Status:
Malicious
First seen:
2024-11-25 16:11:05 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
17 of 38 (44.74%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
n/a
Score:
9/10
Tags:
discovery evasion
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)
Verdict:
Suspicious
Tags:
Lumma_Stealer lumma Stealer c2
YARA:
n/a
Unpacked files
SH256 hash:
166b48670501754ba1231df094cd1eb81da7556c0cb94017d4e4d585a3e02acf
MD5 hash:
3d104f1cac35e9291804480c58c616e1
SHA1 hash:
bf1aa918e39fa3566cb82f22ef1c977e8c822002
SH256 hash:
81bf308c76d66c3c8d93f5202ff2211f2aad1442b9c64b1eb40aef60685b78ba
MD5 hash:
ad8c2e682a2304872d34b870c7838533
SHA1 hash:
270385c022377e941abc235009da0e6e4e9dfb7b
Malware family:
Lumma
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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
Dropped by
Amadey
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
| ID | Title | Severity |
|---|---|---|
| CHECK_AUTHENTICODE | Missing Authenticode | high |
| CHECK_DLL_CHARACTERISTICS | Missing dll Security Characteristics (HIGH_ENTROPY_VA) | high |
| CHECK_NX | Missing Non-Executable Memory Protection | critical |
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