MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d99d382868e2e1191c2ac403d9985569d18e534883b3c64606d08847d68a96b6. 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: 8


Intelligence 8 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d99d382868e2e1191c2ac403d9985569d18e534883b3c64606d08847d68a96b6
SHA3-384 hash: a764ed69261a3ab867b152b4197397f2a05e7077d97a777ad20faec71cd21e840e0c97b601e40b72ec8ae36ac7195b37
SHA1 hash: 5cee81a586a0627af94ee048effe7787cc3bf7a1
MD5 hash: 03e65ae46fe8c51c4e53a305138eed68
humanhash: chicken-mirror-white-ink
File name:DuiLib_u.dll
Download: download sample
Signature LummaStealer
Create hunting rule
File size:6'486'920 bytes
First seen:2025-04-16 22:57:22 UTC
Last seen:Never
File type:DLL dll
MIME type:application/x-dosexec
imphash 2db18c945c2d53635ab6e4c76df4be2f (1 x LummaStealer)
ssdeep 98304:dkEf2aPQlRc2yBjCLi0Bj2May7MW9rru3hrNkoZCWHaMz6Vqha8HNNKV8:T/oRfLrjJMW9nuDkQHaM6qh5KV8
TLSH T10E6612D07AC300B1ED46C6305B28B83E7A7DA5525F60CF97628C0E1A1CA3AE79572777
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10522/11/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter aachum
Tags:dll HIjackLoader IDATLoader LummaStealer


Avatar
iamaachum
https://uploadify.cloud/0MdWlkPTE0JmZpZD0zMzRjOQ => https://www.mediafire.com/file/wub7c2ywxg1bsd2/#%EA%9D%90%E2%B1%A5$$%E2%B1%B3%C7%BF%C9%8D%C4%90%E2%9C%B2-5174_%E2%9C%B5O%CD%8D%E2%82%B1%CE%B5%E2%82%A6%E2%80%BB-%E2%9C%BB%C5%9E%CE%B5t-%C9%84%E2%82%B14U%E2%A7%89.zip/file

Intelligence

File Origin
# of uploads :
1
# of downloads :
528
Origin country :
ES ES
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/2543/
Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=680039642203b3e10ccfe294
Tags:
injection obfusc virus
Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/d99d382868e2e1191c2ac403d9985569d18e534883b3c64606d08847d68a96b6
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/532e7e83-0a99-4b81-b93c-373f35cccc0a
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1666831
Signature
Multi AV Scanner detection for submitted file
Overwrites code with unconditional jumps - possibly settings hooks in foreign process
Query firmware table information (likely to detect VMs)
Switches to a custom stack to bypass stack traces
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to evade analysis by execution special instruction (VM detection)
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1666831 Sample: DuiLib_u.dll Startdate: 17/04/2025 Architecture: WINDOWS Score: 68 39 Multi AV Scanner detection for submitted file 2->39 8 loaddll32.exe 1 2->8         started        process3 signatures4 45 Overwrites code with unconditional jumps - possibly settings hooks in foreign process 8->45 47 Query firmware table information (likely to detect VMs) 8->47 49 Tries to evade analysis by execution special instruction (VM detection) 8->49 51 Switches to a custom stack to bypass stack traces 8->51 11 cmd.exe 1 8->11         started        13 rundll32.exe 8->13         started        16 rundll32.exe 8->16         started        18 2 other processes 8->18 process5 signatures6 20 rundll32.exe 1 11->20         started        53 Overwrites code with unconditional jumps - possibly settings hooks in foreign process 13->53 55 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 13->55 23 WerFault.exe 16 13->23         started        25 WerFault.exe 16 13->25         started        27 WerFault.exe 2 16 16->27         started        29 WerFault.exe 16 16->29         started        31 WerFault.exe 16 18->31         started        33 WerFault.exe 16 18->33         started        process7 signatures8 41 Overwrites code with unconditional jumps - possibly settings hooks in foreign process 20->41 43 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 20->43 35 WerFault.exe 20 16 20->35         started        37 WerFault.exe 3 16 20->37         started        process9
Score:
95%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/d99d382868e2e1191c2ac403d9985569d18e534883b3c64606d08847d68a96b6
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d99d382868e2e1191c2ac403d9985569d18e534883b3c64606d08847d68a96b6/
Threat name:
Win32.Trojan.VBClone
Create hunting rule
Status:
Malicious
First seen:
2025-04-16 22:58:11 UTC
File Type:
PE (Dll)
AV detection:
11 of 38 (28.95%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3gotqkdi4lqrshbkyqb5tgcvnhiy4u2iqoz4mrqg2ceepvuks23a._file
Result
Malware family:
n/a
Score:
  3/10
Tags:
discovery
Link:
https://tria.ge/reports/250416-2xvnaa1kz3/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Unpacked files
SH256 hash:
d99d382868e2e1191c2ac403d9985569d18e534883b3c64606d08847d68a96b6
MD5 hash:
03e65ae46fe8c51c4e53a305138eed68
SHA1 hash:
5cee81a586a0627af94ee048effe7787cc3bf7a1
Link:
https://www.unpac.me/results/54db02a4-f4c3-40f3-84fb-8bc5571f6fa6/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/d99d382868e2e1191c2ac403d9985569d18e534883b3c64606d08847d68a96b6

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:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
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

LummaStealer

zip 2705018412749bb3e11bca68ba5d7052261f539a57d29437178de804757a4b2b

LummaStealer

DLL dll d99d382868e2e1191c2ac403d9985569d18e534883b3c64606d08847d68a96b6

(this sample)

  
Dropped by
SHA256 2705018412749bb3e11bca68ba5d7052261f539a57d29437178de804757a4b2b
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/2543/
  
Dropped by
MD5 cc8aa60492ff139f53a8bec66c8ee8aa

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
Reviews
IDCapabilitiesEvidence
GDI_PLUS_APIInterfaces with Graphicsgdiplus.dll::GdipCreateFromHDC

Comments