MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 320db923b7c701a6005e465a082ad48c2f3c8f36145ece15b4980a44202383fe. 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


Intelligence 14 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 320db923b7c701a6005e465a082ad48c2f3c8f36145ece15b4980a44202383fe
SHA3-384 hash: 42699ab8a55aa53da10807e0db61c514511975db436a3e61d3809e8557f6503d46233d4657cd6fddabf61a5601a29438
SHA1 hash: da39c94f65a34f2f2a72c6b2799f7d991a8c38d8
MD5 hash: 690a4c9693ad790d6ee23492fe8bf869
humanhash: king-east-eight-burger
File name:iviewers.dll
Download: download sample
Signature LummaStealer
Create hunting rule
File size:93'184 bytes
First seen:2024-12-27 21:31:27 UTC
Last seen:Never
File type:DLL dll
MIME type:application/x-dosexec
imphash 3be2261fa076757c8bb359470b1d32fd (1 x LummaStealer)
ssdeep 1536:riUKaJeTUBp7KGhioxKLpBbIrta1Z9PvoNkM/6Mox/j1k+sWlzMcdbvcUCZ2M:rioJ9MGQoIHbvZ93oNkXjuQzNbvcUCZ2
Threatray 5 similar samples on MalwareBazaar
TLSH T116935A11B5D1C071E6BF193E08649AB48B3FB810DF61ADEB279416AE4F302C1DE35D6A
TrID 32.2% (.EXE) Win64 Executable (generic) (10522/11/4)
20.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
15.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
13.7% (.EXE) Win32 Executable (generic) (4504/4/1)
6.2% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
Reporter aachum
Tags:dll LummaStealer


Avatar
iamaachum
https://www.youtube.com/watch?v=yZyq8luHD9I => https://www.mediafire.com/folder/bl98m5gn6vjw4/InstallPack

C2: https://api.telegram.org/bot7453569667:AAEXd9axbZZCeE5q99NDzg6KMWdoKbKsvlU/sendMessage?chat_id=7654016235&text=FileStarted!

Intelligence

File Origin
# of uploads :
1
# of downloads :
418
Origin country :
ES ES
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Variant.Doina.84656.14449.14915.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
90.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=676f1cd48a4d48ee35003cfd
Tags:
virus
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Behavior that indicates a threat
Running batch commands
Launching a process
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Searching for the window
Creating a file in the %temp% subdirectories
Creating a process with a hidden window
Connection attempt to an infection source
Query of malicious DNS domain
Sending a TCP request to an infection source
Sending an HTTP GET request to an infection source
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd lolbin microsoft_visual_cc
Link:
https://www.filescan.io/uploads/676f1cd3d986a2005f8d69c0/reports/1dc1cd31-4b69-4806-8972-f9094c2ef4c2/overview
Verdict:
Malicious
Labled as:
Doina.Generic
Link:
https://www.hybrid-analysis.com/sample/320db923b7c701a6005e465a082ad48c2f3c8f36145ece15b4980a44202383fe
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/52056acc-f4fb-48ab-a0c4-8c42f56ee526
Result
Threat name:
LummaC
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1581496
Signature
.NET source code contains very large strings
.NET source code references suspicious native API functions
AI detected suspicious sample
Antivirus detection for dropped file
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Compiles code for process injection (via .Net compiler)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
Installs new ROOT certificates
LummaC encrypted strings found
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
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
Sigma detected: Dot net compiler compiles file from suspicious location
Suricata IDS alerts for network traffic
Suspicious command line found
Suspicious execution chain found
Suspicious powershell command line found
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to steal Crypto Currency Wallets
Uses the Telegram API (likely for C&C communication)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected LummaC Stealer
Yara detected Powershell download and execute
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1581496 Sample: iviewers.dll Startdate: 27/12/2024 Architecture: WINDOWS Score: 100 114 api.telegram.org 2->114 116 fivenaii.click 2->116 120 Suricata IDS alerts for network traffic 2->120 122 Found malware configuration 2->122 124 Malicious sample detected (through community Yara rule) 2->124 128 12 other signatures 2->128 12 loaddll32.exe 1 2->12         started        signatures3 126 Uses the Telegram API (likely for C&C communication) 114->126 process4 signatures5 168 Suspicious command line found 12->168 15 cmd.exe 1 12->15         started        18 regsvr32.exe 12->18         started        20 rundll32.exe 12->20         started        22 3 other processes 12->22 process6 signatures7 170 Suspicious powershell command line found 15->170 172 Bypasses PowerShell execution policy 15->172 24 rundll32.exe 15->24         started        174 Suspicious command line found 18->174 27 cmd.exe 18->27         started        29 cmd.exe 1 18->29         started        31 cmd.exe 20->31         started        33 cmd.exe 20->33         started        35 powershell.exe 22->35         started        38 cmd.exe 22->38         started        40 powershell.exe 22->40         started        process8 file9 138 Suspicious command line found 24->138 42 cmd.exe 1 24->42         started        45 cmd.exe 24->45         started        47 powershell.exe 27->47         started        51 2 other processes 27->51 53 2 other processes 29->53 140 Suspicious powershell command line found 31->140 55 3 other processes 31->55 58 2 other processes 33->58 98 C:\Users\user\AppData\Local\...\3vvszjlk.0.cs, Unicode 35->98 dropped 142 Writes to foreign memory regions 35->142 144 Injects a PE file into a foreign processes 35->144 61 3 other processes 35->61 49 curl.exe 1 38->49         started        signatures10 process11 dnsIp12 146 Suspicious powershell command line found 42->146 63 powershell.exe 42->63         started        79 2 other processes 42->79 66 powershell.exe 45->66         started        68 conhost.exe 45->68         started        148 Writes to foreign memory regions 47->148 150 Injects a PE file into a foreign processes 47->150 70 RegAsm.exe 47->70         started        72 csc.exe 3 47->72         started        75 curl.exe 1 51->75         started        152 Suspicious execution chain found 53->152 154 Compiles code for process injection (via .Net compiler) 53->154 100 C:\Users\user\AppData\...\xyq5akbp.cmdline, Unicode 55->100 dropped 156 LummaC encrypted strings found 55->156 81 3 other processes 55->81 118 api.telegram.org 149.154.167.220, 443, 49730, 49731 TELEGRAMRU United Kingdom 58->118 158 Installs new ROOT certificates 58->158 102 C:\Users\user\AppData\Local\...\3vvszjlk.dll, PE32 61->102 dropped 160 Query firmware table information (likely to detect VMs) 61->160 162 Tries to harvest and steal ftp login credentials 61->162 164 Tries to harvest and steal browser information (history, passwords, etc) 61->164 166 Tries to steal Crypto Currency Wallets 61->166 77 cvtres.exe 61->77         started        file13 signatures14 process15 dnsIp16 176 Writes to foreign memory regions 63->176 178 Injects a PE file into a foreign processes 63->178 84 RegAsm.exe 63->84         started        87 csc.exe 5 63->87         started        180 Query firmware table information (likely to detect VMs) 70->180 182 Found many strings related to Crypto-Wallets (likely being stolen) 70->182 184 Tries to steal Crypto Currency Wallets 70->184 106 C:\Users\user\AppData\Local\...\wzlesmvi.dll, PE32 72->106 dropped 90 cvtres.exe 72->90         started        92 curl.exe 1 79->92         started        110 147.45.44.131, 49734, 49735, 49736 FREE-NET-ASFREEnetEU Russian Federation 81->110 112 fivenaii.click 104.21.60.24, 443, 49745, 49746 CLOUDFLARENETUS United States 81->112 108 C:\Users\user\AppData\Local\...\xyq5akbp.dll, PE32 81->108 dropped 94 cvtres.exe 81->94         started        file17 signatures18 process19 file20 130 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 84->130 132 Query firmware table information (likely to detect VMs) 84->132 134 Found many strings related to Crypto-Wallets (likely being stolen) 84->134 136 Tries to steal Crypto Currency Wallets 84->136 104 C:\Users\user\AppData\Local\...\1yj35v5c.dll, PE32 87->104 dropped 96 cvtres.exe 87->96         started        signatures21 process22
Score:
46%
Verdict:
Susipicious
File Type:
PE
Link:
https://malprob.io/report/320db923b7c701a6005e465a082ad48c2f3c8f36145ece15b4980a44202383fe
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/320db923b7c701a6005e465a082ad48c2f3c8f36145ece15b4980a44202383fe/
Threat name:
Win32.Trojan.Doina
Create hunting rule
Status:
Malicious
First seen:
2024-12-25 03:37:07 UTC
File Type:
PE (Dll)
AV detection:
19 of 38 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=gig3si5xy4a2mac6iznaqkwurqxtzdzwcrpm4fnutafeiibdqp7a._file
Verdict:
malicious
Label(s):
lummastealer
Create hunting rule
Similar samples:
05617db5aed9685ac891f4a7539294603640443b4ca5534abac163a544c574fa
LummaStealer
3ccd2f2337a264971fed13bf7b3e4ca076afde84ba7b6c681f467b5021c0923e
LummaStealer
bcaff60055929f46412dd46cfe9f59413be788904cb1d55f794ecb5ef0409cba
LummaStealer
d7e35944454fa434b36485ab788b3ae09a01e4d8f1b2b9ecc991e248c9e65456
LummaStealer
error
LummaStealer
Result
Malware family:
lumma
Create hunting rule
Score:
  10/10
Tags:
family:lumma discovery execution stealer
Link:
https://tria.ge/reports/241227-1dletszrap/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Blocklisted process makes network request
Command and Scripting Interpreter: PowerShell
Downloads MZ/PE file
Lumma Stealer, LummaC
Lumma family
Unpacked files
SH256 hash:
320db923b7c701a6005e465a082ad48c2f3c8f36145ece15b4980a44202383fe
MD5 hash:
690a4c9693ad790d6ee23492fe8bf869
SHA1 hash:
da39c94f65a34f2f2a72c6b2799f7d991a8c38d8
Link:
https://www.unpac.me/results/c204f512-8e03-40f9-af1a-54e2f38673e3/
Malware family:
Lumma
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/320db923b7c7/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/320db923b7c701a6005e465a082ad48c2f3c8f36145ece15b4980a44202383fe

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:has_telegram_urls
Create hunting rule
Author:Aaron DeVera<aaron@backchannel.re>
Description:Detects Telegram URLs
Rule name:RansomPyShield_Antiransomware
Create hunting rule
Author:XiAnzheng
Description:Check for Suspicious String and Import combination that Ransomware mostly abuse(can create FP)
Rule name:telegram_bot_api
Create hunting rule
Author:rectifyq
Description:Detects file containing Telegram Bot API

File information

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

Web download

LummaStealer

DLL dll 320db923b7c701a6005e465a082ad48c2f3c8f36145ece15b4980a44202383fe

(this sample)

  
Link
https://tria.ge/241227-1avt4azqfn/
  
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
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::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::GetConsoleOutputCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileW

Comments