MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c921fba82eafbe583ed0c0588b638923916e7834d00ba263569e6775c6a3433b. 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: 12


Intelligence 12 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c921fba82eafbe583ed0c0588b638923916e7834d00ba263569e6775c6a3433b
SHA3-384 hash: ee049cb098d62a6d59c63478677a810c3026218555879e6549f61b7b60e5f40f8e52e5b74acf5c2eb8bb1a01fc2bd234
SHA1 hash: d9a396b12fb7966a63122dce196a23f3242806ab
MD5 hash: 462c372da50a9073dd0d155fe7b6dbe2
humanhash: tennis-don-oven-sink
File name:libcurl.dll
Download: download sample
Signature LummaStealer
Create hunting rule
File size:4'257'280 bytes
First seen:2025-08-07 15:18:03 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash e57edd440356960395c7994fae85893f (1 x LummaStealer)
ssdeep 49152:TRi+8CU6YA0JglLyP1EFcmaG8A5EjwGIOj94CvPfmN/7Hz8Er:TRLLstm/rz
Threatray 1 similar samples on MalwareBazaar
TLSH T1F6160819B7FA21A5E0B9C17999074767FD60704A133C26F742C8C5C91B70BE8AE7CB92
TrID 40.3% (.EXE) Win64 Executable (generic) (10522/11/4)
19.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
17.2% (.EXE) Win32 Executable (generic) (4504/4/1)
7.7% (.EXE) OS/2 Executable (generic) (2029/13)
7.6% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
Reporter burger
Tags:exe LummaStealer

Intelligence

File Origin
# of uploads :
1
# of downloads :
61
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
libcurl.dll
Verdict:
No threats detected
Analysis date:
2025-08-07 15:17:59 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/c456761a-7676-4666-b078-8d7d3e2fd2af

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/19513/
Verdict:
Malicious
Score:
90.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6894c3a61e8a59ee04e72fb6
Tags:
virus
Result
Verdict:
Clean
Maliciousness:
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug fingerprint masquerade microsoft_visual_cc packed
Link:
https://www.filescan.io/uploads/6894c3e39ef4d2ff7cf0ab9b/reports/55b96ec7-dbb3-45a8-b017-82da9da948d4/overview
Verdict:
Malicious
Labled as:
Tedy.Generic
Link:
https://www.hybrid-analysis.com/sample/c921fba82eafbe583ed0c0588b638923916e7834d00ba263569e6775c6a3433b
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/e3951887-9f76-421c-a415-6d54dcfad470
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
48 / 100
Link:
https://www.joesandbox.com/analysis/1752481
Signature
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1752481 Sample: libcurl.dll.exe Startdate: 07/08/2025 Architecture: WINDOWS Score: 48 19 Multi AV Scanner detection for submitted file 2->19 7 loaddll64.exe 1 2->7         started        process3 process4 9 cmd.exe 1 7->9         started        11 conhost.exe 7->11         started        13 rundll32.exe 7->13         started        15 2 other processes 7->15 process5 17 rundll32.exe 9->17         started       
Score:
95%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/c921fba82eafbe583ed0c0588b638923916e7834d00ba263569e6775c6a3433b
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable PDB Path PE (Portable Executable) Win 64 Exe x64
Link:
https://app.malva.re/file/462c372da50a9073dd0d155fe7b6dbe2
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c921fba82eafbe583ed0c0588b638923916e7834d00ba263569e6775c6a3433b/
Verdict:
Malicious
Threat:
Trojan.Tedy
Link:
https://tip.neiki.dev/file/c921fba82eafbe583ed0c0588b638923916e7834d00ba263569e6775c6a3433b
Threat name:
Win64.Trojan.LummaStealer
Create hunting rule
Status:
Malicious
First seen:
2025-08-07 15:18:00 UTC
File Type:
PE+ (Dll)
Extracted files:
1
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zeq7xkbov67fqpwqybmiwy4jeoiw46bu2af2ey2wtztxlrvdim5q._file
Verdict:
malicious
Label(s):
lummastealer
Create hunting rule
Similar samples:
c921fba82eafbe583ed0c0588b638923916e7834d00ba263569e6775c6a3433b
LummaStealer
error
LummaStealer
Result
Malware family:
lumma
Create hunting rule
Score:
  10/10
Tags:
family:lumma discovery stealer
Link:
https://tria.ge/reports/250807-spx9rsbq6x/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Lumma Stealer, LummaC
Lumma family
Malware Config
C2 Extraction:
https://mocadia.com/iuew
https://mastwin.in/qsaz/api
https://ordinarniyvrach.ru/xiur/api
https://yamakrug.ru/lzka/api
https://vishneviyjazz.ru/neco/api
https://yrokistorii.ru/uqya/api
https://stolewnica.ru/xjuf/api
https://visokiywkaf.ru/mmtn/api
https://kletkamozga.ru/iwyq/api
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/a40ce1b2-6125-4915-86fa-02dfccbd4444
Unpacked files
SH256 hash:
c921fba82eafbe583ed0c0588b638923916e7834d00ba263569e6775c6a3433b
MD5 hash:
462c372da50a9073dd0d155fe7b6dbe2
SHA1 hash:
d9a396b12fb7966a63122dce196a23f3242806ab
Link:
https://www.unpac.me/results/6f850b37-50f2-4892-82f1-f1ff2de7b06a/
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/c921fba82eafbe583ed0c0588b638923916e7834d00ba263569e6775c6a3433b

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:Check_OutputDebugStringA_iat
Create hunting rule
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/19513/

Comments