MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 91f71afd4b057e2158dcc39103f2f0d5b2dee1d4de548cd7f5d21af079eb6e08. 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
| SHA256 hash: | 91f71afd4b057e2158dcc39103f2f0d5b2dee1d4de548cd7f5d21af079eb6e08 |
|---|---|
| SHA3-384 hash: | 9db2d55ff8dcaf77e8b651505b89af4d07dc21ca8a70c8ef259bd37443ecb554e481e560b7de14cd3d6e5e8cee47671f |
| SHA1 hash: | 3af3bdf9c80a8465ad712e848049a44fc45f9048 |
| MD5 hash: | 6d0ed690b55469a36f4d8dd63dc1a849 |
| humanhash: | mockingbird-alanine-mexico-echo |
| File name: | file |
| Download: | download sample |
| Signature | LummaStealer |
| File size: | 1'870'336 bytes |
| First seen: | 2024-12-01 01:39:00 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:C6njAmMwhWAhUwwjdxqCUwKJN+CpeW8LdwKa97:Nk0pwjHUwKJNFv82Ke |
| TLSH | T1CC853346FFE249B6E8CFB17F1C9FA0037A5758B5D384061A298085B27D77B9AB05C160 |
| 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 :
412
Origin country :
USVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file.exe
Verdict:
Malicious activity
Analysis date:
2024-12-01 01:42:24 UTC
Tags:
lumma themida stealer loader stealc
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Tags:
extens virus spam sage
Result
Verdict:
Malware
Maliciousness:
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
packed packed packer_detected
Verdict:
Malicious
Labled as:
Symmi.Generic
Verdict:
Suspicious
Result
Threat name:
LummaC Stealer
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
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)
Yara detected LummaC Stealer
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
PE
Threat name:
Win32.Trojan.Symmi
Status:
Malicious
First seen:
2024-12-01 01:40:05 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
16 of 38 (42.11%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
lumma
Score:
10/10
Tags:
family:lumma discovery evasion stealer
Behaviour
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Program crash
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:
Suspicious
Tags:
lumma Lumma_Stealer Stealer c2
YARA:
n/a
Unpacked files
SH256 hash:
4a39e20b79b85901e8761f3a79333c0f3c5faba9cd090becaf5ec2724ab37e11
MD5 hash:
3831a5cdb9d616de7fcd61c8508fabba
SHA1 hash:
0755591a48c725a0b665fde8f3fa7a37b081f29d
SH256 hash:
91f71afd4b057e2158dcc39103f2f0d5b2dee1d4de548cd7f5d21af079eb6e08
MD5 hash:
6d0ed690b55469a36f4d8dd63dc1a849
SHA1 hash:
3af3bdf9c80a8465ad712e848049a44fc45f9048
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) |
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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