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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cb57ea7d9d7daaa7d2e6224b39c3359581b118c588bac91b103552e91e774248. 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: 11


Intelligence 11 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cb57ea7d9d7daaa7d2e6224b39c3359581b118c588bac91b103552e91e774248
SHA3-384 hash: 77ac2aa7ba567f9e773c971921633db475b029bf878cc7ce77f9c8662f41b4f10a4a31232a84fc00fdd921c32385e5f7
SHA1 hash: be7e96d9da4e5d7eeef2e17cf207b9da8756d42f
MD5 hash: 5be718ba5223c098bc1256425e95ced9
humanhash: undress-april-august-yellow
File name:d3d9x.dll
Download: download sample
Signature LummaStealer
Create hunting rule
File size:477'184 bytes
First seen:2024-08-29 10:36:10 UTC
Last seen:Never
File type:DLL dll
MIME type:application/x-dosexec
imphash 37d97cb1e26822c5f3dc302b6db838c6 (2 x RedLineStealer, 2 x LummaStealer, 1 x XehookStealer)
ssdeep 12288:HRHCwijwYehim22iS3DRyAxLOq5ri7Mf:HRHCwgQlVy4b5ri7o
Threatray 18 similar samples on MalwareBazaar
TLSH T1F0A48CC2ED4EDB43C8AFC07EE8D5596619010B755910CFFE7F88689129B15E22DC23AB
TrID 45.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.4% (.EXE) Win64 Executable (generic) (10523/12/4)
9.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.6% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter DoberGroup
Tags:dll lumma LummaStealer

Intelligence

File Origin
# of uploads :
1
# of downloads :
441
Origin country :
UA UA
Vendor Threat Intelligence
Detection(s):
Win.Trojan.Generic-10034122-0
Create hunting rule

Win.Packed.Jaik-10035220-0
Create hunting rule

Verdict:
Malicious
Score:
97.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66d04f50f1a57bfb709148b0
Tags:
Stealth
Result
Verdict:
Clean
Maliciousness:
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/66d04f525959a837dd124c13/reports/20de357f-294e-46cd-b2cb-6410c6e2ebc4/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/cb57ea7d9d7daaa7d2e6224b39c3359581b118c588bac91b103552e91e774248
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/28930ac4-b1d7-4bb6-86a9-ec87e751d898
Result
Threat name:
LummaC
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1501121
Signature
AI detected suspicious sample
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
LummaC encrypted strings found
Machine Learning detection for sample
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Sample uses string decryption to hide its real strings
Suricata IDS alerts for network traffic
Writes to foreign memory regions
Yara detected LummaC Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1501121 Sample: d3d9x.dll Startdate: 29/08/2024 Architecture: WINDOWS Score: 100 42 torubleeodsmzo.shop 2->42 46 Multi AV Scanner detection for domain / URL 2->46 48 Suricata IDS alerts for network traffic 2->48 50 Found malware configuration 2->50 52 9 other signatures 2->52 10 loaddll32.exe 1 2->10         started        signatures3 process4 process5 12 cmd.exe 1 10->12         started        14 rundll32.exe 10->14         started        17 rundll32.exe 10->17         started        19 conhost.exe 10->19         started        signatures6 21 rundll32.exe 12->21         started        62 Writes to foreign memory regions 14->62 64 Allocates memory in foreign processes 14->64 66 Injects a PE file into a foreign processes 14->66 24 aspnet_regiis.exe 14->24         started        26 aspnet_regiis.exe 17->26         started        process7 signatures8 54 Writes to foreign memory regions 21->54 56 Allocates memory in foreign processes 21->56 58 Injects a PE file into a foreign processes 21->58 28 aspnet_regiis.exe 21->28         started        32 WerFault.exe 3 16 24->32         started        34 WerFault.exe 2 24->34         started        36 WerFault.exe 20 16 26->36         started        process9 dnsIp10 44 torubleeodsmzo.shop 188.114.96.3, 443, 49705, 49706 CLOUDFLARENETUS European Union 28->44 60 LummaC encrypted strings found 28->60 38 WerFault.exe 16 28->38         started        40 WerFault.exe 2 28->40         started        signatures11 process12
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/cb57ea7d9d7daaa7d2e6224b39c3359581b118c588bac91b103552e91e774248
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cb57ea7d9d7daaa7d2e6224b39c3359581b118c588bac91b103552e91e774248/
Threat name:
Win32.Trojan.Midie
Create hunting rule
Status:
Malicious
First seen:
2024-08-29 10:37:05 UTC
File Type:
PE (Dll)
AV detection:
20 of 38 (52.63%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=znl6u7m5pwvkpuxgejfttqzvswa3cggfrc5msgyqgvjoshtxijea._file
Verdict:
malicious
Similar samples:
1e1bc32c5d4d0cae5310d34827be61eb087dc6aca7a7d767c77529b41e720a81
LummaStealer
20b5dab72aa47a89255bb1e8afa6cb0b655ce19f3667089dcb28c438fe38dfbd
LummaStealer
2fcd09bbfac5cc99d930089a45b85e04e71dfa1cf75df14b14be18a7b68fabc4
LummaStealer
3fb3cc15e800f3707f42e3d7484177b617c2548f161141efea3d722090f77add
LummaStealer
73c517aec4a202f017444ac5846413a6985f98358a3c1f4926f013bc4250b0af
LummaStealer
750ad213b6b5d7dacda425a8f627424157d0bb98d1686433ad70d35a50a5df09
LummaStealer
85069fe4358136439d3fddb05caa4e8fd79c0865caae5d9a7a88b9a93f6a7553
LummaStealer
def7574a3b3fc98294e5be9b881cd137d14e44f5b6add55374cdef0bbd7cb3dc
LummaStealer
+ 8 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Link:
https://tria.ge/reports/240829-mns1rsygmj/
Behaviour
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
cb57ea7d9d7daaa7d2e6224b39c3359581b118c588bac91b103552e91e774248
MD5 hash:
5be718ba5223c098bc1256425e95ced9
SHA1 hash:
be7e96d9da4e5d7eeef2e17cf207b9da8756d42f
Link:
https://www.unpac.me/results/fe6474d8-9eae-4620-b096-84d11bc71e46/
Malware family:
Lumma
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/cb57ea7d9d7d/report/overview.html
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/cb57ea7d9d7daaa7d2e6224b39c3359581b118c588bac91b103552e91e774248

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:NET
Create hunting rule
Author:malware-lu
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.

Web download

LummaStealer

Executable exe ff4d06225722a539064d417e402bf132348ae37dd032084447dd887f5f4c8a8d

LummaStealer

DLL dll cb57ea7d9d7daaa7d2e6224b39c3359581b118c588bac91b103552e91e774248

(this sample)

  
Dropped by
SHA256 ff4d06225722a539064d417e402bf132348ae37dd032084447dd887f5f4c8a8d
  
Delivery method
Multiple
  
Dropped by
MD5 8c69fa42728b511f0901518ede3616ef

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
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessW
KERNEL32.dll::VirtualAllocEx
KERNEL32.dll::WriteProcessMemory
KERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineA
KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleWindow
KERNEL32.dll::GetConsoleOutputCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileA
KERNEL32.dll::CreateFileMappingA
KERNEL32.dll::CreateFileW

Comments