MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3c5a551b8fee65ffc444a3c0730b990591c3a95e442426563539f0a2ca3871d2. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3c5a551b8fee65ffc444a3c0730b990591c3a95e442426563539f0a2ca3871d2
SHA3-384 hash: 4d91891d8be75b431f6c20bbcb8142838104b0a984f287ad2089c687d0621acb23c25b6ebef34ea40c67ab5b32828c88
SHA1 hash: cc72a132de961bb1f4398b933d88585ef8c29a41
MD5 hash: d62b289592043f863f302d7e8582e9bc
humanhash: stairway-april-quebec-avocado
File name:v7942.exe
Download: download sample
Signature LummaStealer
Create hunting rule
File size:649'216 bytes
First seen:2025-03-29 13:40:49 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash a0b72f709ebc465cfce6b6cf21367efe (33 x LummaStealer, 6 x Vidar, 2 x Rhadamanthys)
ssdeep 12288:SaQ9+ICJkAp0mBpehM8ppy+E4J/aDQy5b4WeZGl/GtWV3OH2JrZw9RlUR:Kw4GBpehMjcuP5b4Fty3pZwXlUR
Threatray 9 similar samples on MalwareBazaar
TLSH T173D4CF80E15D43D0F89581B48AA59242712379A1CE337B9F01B447B91F26AEF2F2F379
TrID 63.5% (.EXE) Win64 Executable (generic) (10522/11/4)
12.2% (.EXE) OS/2 Executable (generic) (2029/13)
12.0% (.EXE) Generic Win/DOS Executable (2002/3)
12.0% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
Reporter aachum
Tags:exe LummaStealer vidar


Avatar
iamaachum
http://77.90.153.244/v7942.exe

Vidar Botnet: 928af183c2a2807a3c0526e8c0c9369d
Vidar C2:
https://t.me/lw25chm
https://steamcommunity.com/profiles/76561199839170361
https://xt.ap.4t.com/

Intelligence

File Origin
# of uploads :
1
# of downloads :
929
Origin country :
ES ES
Vendor Threat Intelligence
Verdict:
Clean
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67e7f469cfd0a37f83097aa5
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Unauthorized injection to a system process
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/3c5a551b8fee65ffc444a3c0730b990591c3a95e442426563539f0a2ca3871d2
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/ca4e54fd-4b9b-454c-8577-c541ce5dfb7b
Result
Threat name:
LummaC Stealer, Stealc, Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1651743
Signature
Allocates memory in foreign processes
Antivirus detection for dropped file
Antivirus detection for URL or domain
Attempt to bypass Chrome Application-Bound Encryption
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Creates / moves files in alternative data streams (ADS)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Monitors registry run keys for changes
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Query firmware table information (likely to detect VMs)
Sample uses string decryption to hide its real strings
Searches for specific processes (likely to inject)
Sigma detected: New RUN Key Pointing to Suspicious Folder
Sigma detected: Silenttrinity Stager Msbuild Activity
Suricata IDS alerts for network traffic
Tries to harvest and steal Bitcoin Wallet information
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Crypto Currency Wallets
Writes to foreign memory regions
Yara detected LummaC Stealer
Yara detected Powershell download and execute
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1651743 Sample: v7942.exe Startdate: 29/03/2025 Architecture: WINDOWS Score: 100 100 itsrevolutionmagnus.xyz 2->100 102 xt.ap.4t.com 2->102 104 13 other IPs or domains 2->104 128 Suricata IDS alerts for network traffic 2->128 130 Found malware configuration 2->130 132 Malicious sample detected (through community Yara rule) 2->132 136 12 other signatures 2->136 11 v7942.exe 2->11         started        14 msedge.exe 625 2->14         started        signatures3 134 Performs DNS queries to domains with low reputation 100->134 process4 dnsIp5 154 Contains functionality to inject code into remote processes 11->154 156 Writes to foreign memory regions 11->156 158 Allocates memory in foreign processes 11->158 160 Injects a PE file into a foreign processes 11->160 17 MSBuild.exe 35 11->17         started        120 239.255.255.250 unknown Reserved 14->120 22 msedge.exe 14->22         started        24 msedge.exe 14->24         started        26 msedge.exe 14->26         started        signatures6 process7 dnsIp8 88 xt.ap.4t.com 88.99.125.82, 443, 49684, 49685 HETZNER-ASDE Germany 17->88 90 t.me 149.154.167.99, 443, 49683 TELEGRAMRU United Kingdom 17->90 96 2 other IPs or domains 17->96 70 C:\Users\user\AppData\...\sss81242[1].exe, PE32 17->70 dropped 72 C:\Users\user\AppData\Local\...\s9471[1].exe, PE32+ 17->72 dropped 74 C:\Users\user\AppData\Local\...\l9543[1].exe, PE32+ 17->74 dropped 76 3 other malicious files 17->76 dropped 138 Attempt to bypass Chrome Application-Bound Encryption 17->138 140 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->140 142 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 17->142 144 6 other signatures 17->144 28 ri5x4ozuaa.exe 17->28         started        32 3ohv3ohvas.exe 17->32         started        34 i5p8gd2v3w.exe 17->34         started        36 3 other processes 17->36 92 18.161.34.76, 443, 49796, 49809 MIT-GATEWAYSUS United States 22->92 94 ax-0003.ax-msedge.net 150.171.27.12, 443, 49747 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 22->94 98 32 other IPs or domains 22->98 file9 signatures10 process11 dnsIp12 84 C:\Users\user\...\16djwQSSsyX9upXQ.exe, PE32 28->84 dropped 86 :cat (copy), PE32 28->86 dropped 170 Antivirus detection for dropped file 28->170 172 Multi AV Scanner detection for dropped file 28->172 174 Creates / moves files in alternative data streams (ADS) 28->174 39 16djwQSSsyX9upXQ.exe 28->39         started        176 Writes to foreign memory regions 32->176 178 Allocates memory in foreign processes 32->178 180 Injects a PE file into a foreign processes 32->180 44 MSBuild.exe 32->44         started        46 MSBuild.exe 32->46         started        48 MSBuild.exe 32->48         started        50 MSBuild.exe 34->50         started        106 192.168.2.9, 443, 49300, 49672 unknown unknown 36->106 182 Monitors registry run keys for changes 36->182 52 chrome.exe 36->52         started        54 msedge.exe 36->54         started        56 conhost.exe 36->56         started        58 timeout.exe 36->58         started        file13 signatures14 process15 dnsIp16 108 77.90.153.245, 49849, 49851, 49855 RAPIDNET-DEHaunstetterStr19DE Germany 39->108 78 C:\Users\user\...\YqqdRrsoP217emay.exe, PE32 39->78 dropped 80 C:\Users\user\...behaviorgraphbsb7EM3dxsJ28WA.exe, PE32+ 39->80 dropped 82 C:\Users\user\AppData\Local\...\l9543[1].exe, PE32+ 39->82 dropped 146 Multi AV Scanner detection for dropped file 39->146 60 Gbsb7EM3dxsJ28WA.exe 39->60         started        63 YqqdRrsoP217emay.exe 39->63         started        110 advennture.top 172.64.80.1, 443, 49839, 49840 CLOUDFLARENETUS United States 44->110 148 Query firmware table information (likely to detect VMs) 44->148 150 Tries to steal Crypto Currency Wallets 44->150 112 77.90.153.241, 49846, 80 RAPIDNET-DEHaunstetterStr19DE Germany 50->112 152 Found many strings related to Crypto-Wallets (likely being stolen) 50->152 114 plus.l.google.com 142.250.72.110, 443, 49713 GOOGLEUS United States 52->114 116 www.google.com 142.250.80.4, 443, 49698, 49701 GOOGLEUS United States 52->116 118 3 other IPs or domains 52->118 file17 signatures18 process19 signatures20 162 Multi AV Scanner detection for dropped file 60->162 164 Writes to foreign memory regions 60->164 166 Allocates memory in foreign processes 60->166 168 Injects a PE file into a foreign processes 60->168 65 MSBuild.exe 60->65         started        68 WerFault.exe 63->68         started        process21 signatures22 122 Tries to harvest and steal ftp login credentials 65->122 124 Tries to harvest and steal browser information (history, passwords, etc) 65->124 126 Tries to steal Crypto Currency Wallets 65->126
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/3c5a551b8fee65ffc444a3c0730b990591c3a95e442426563539f0a2ca3871d2
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3c5a551b8fee65ffc444a3c0730b990591c3a95e442426563539f0a2ca3871d2/
Threat name:
Win64.Backdoor.Cobalt
Create hunting rule
Status:
Malicious
First seen:
2025-03-29 13:23:55 UTC
File Type:
PE+ (Exe)
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hrnfkg4p5zs77rceupahgc4zawi4hkk6iqscmvrvhhykfsryohja._file
Verdict:
malicious
Label(s):
vidar
Create hunting rule
Similar samples:
110a54e185a48812d3ae0b45a0947945dc33de2476f89f571b9e1ef6801c0590
LummaStealer
3c5a551b8fee65ffc444a3c0730b990591c3a95e442426563539f0a2ca3871d2
LummaStealer
6cff9733bcd32c2af2da61eab8281cd412a6d208ce6b763b783157be2901d5bd
LummaStealer
c2d045884d11777182129a96557ffc118ef0e8eb729b47766b4e003688d8c9c2
LummaStealer
c47a55b842177445756163ca2d5cadaed5cdd4d313d7897b9aaac8e1d1c6e810
LummaStealer
error
LummaStealer
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:lumma family:stealc family:vidar botnet:928af183c2a2807a3c0526e8c0c9369d botnet:default credential_access discovery persistence spyware stealer
Link:
https://tria.ge/reports/250329-qy67xst1gx/
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Enumerates system info in registry
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Browser Information Discovery
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Drops startup file
Executes dropped EXE
Loads dropped DLL
Unsecured Credentials: Credentials In Files
Downloads MZ/PE file
Uses browser remote debugging
Detect Vidar Stealer
Lumma Stealer, LummaC
Lumma family
Stealc
Stealc family
Vidar
Vidar family
Malware Config
C2 Extraction:
https://t.me/lw25chm
https://steamcommunity.com/profiles/76561199839170361
https://wxayfarer.live/ALosnz
https://byteplusx.digital/aXweAX
https://travewlio.shop/ZNxbHi
https://skynetxc.live/AksoPA
https://pixtreev.run/LkaUz
https://advennture.top/GKsiio
https://atargett.top/dsANGt
https://70sparkiob.digital/KeASUp
https://appgridn.live/LEjdAK
http://77.90.153.241
Verdict:
Informative
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/87c2279d-b0c8-40ba-9854-81dd8b8f2480
Unpacked files
SH256 hash:
3c5a551b8fee65ffc444a3c0730b990591c3a95e442426563539f0a2ca3871d2
MD5 hash:
d62b289592043f863f302d7e8582e9bc
SHA1 hash:
cc72a132de961bb1f4398b933d88585ef8c29a41
Link:
https://www.unpac.me/results/b2b8ff68-90ab-4721-932f-00ed7c710840/
Malware family:
CryptBot
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3c5a551b8fee/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/3c5a551b8fee65ffc444a3c0730b990591c3a95e442426563539f0a2ca3871d2

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:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_detect_tls_callbacks
Create hunting rule
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

Executable exe 3c5a551b8fee65ffc444a3c0730b990591c3a95e442426563539f0a2ca3871d2

(this sample)

  
Link
https://tria.ge/250329-qjakeatxgt/behavioral1
  
Dropped by
Amadey
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3478380/

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 (GUARD_CF)high
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThreadpoolWork
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::GetConsoleMode
KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileA
KERNEL32.dll::CreateFileW

Comments