MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 637dbc445534485b6df8c5378e26d5ac93e6c3c48af21bbf8b4e107dfbcaf5d6. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 637dbc445534485b6df8c5378e26d5ac93e6c3c48af21bbf8b4e107dfbcaf5d6
SHA3-384 hash: 53d1246986b5625c60867c58472b713df02476bda21861ccd8f45000374c0b2f24d2e4325c9da6ab2b0757e26b8af73e
SHA1 hash: c1cfd60efac133f1f887df81eef31677b9028c4d
MD5 hash: 050bdc6e2fa639587860cb85954a2cb5
humanhash: mountain-queen-pennsylvania-robert
File name:random.exe
Download: download sample
Signature LummaStealer
Create hunting rule
File size:961'024 bytes
First seen:2025-04-25 08:49:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 948cc502fe9226992dce9417f952fce3 (1'182 x CredentialFlusher, 446 x Formbook, 231 x AgentTesla)
ssdeep 24576:EqDEvCTbMWu7rQYlBQcBiT6rprG8aerV:ETvC/MTQYxsWR7aer
TLSH T11E159E0273D1C062FFAB92334B5AF6515BBC69260123E61F13981DB9BE701B1563E7A3
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
dhash icon aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla)
Reporter abuse_ch
Tags:exe LummaStealer

Intelligence

File Origin
# of uploads :
1
# of downloads :
439
Origin country :
NL NL
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/4042/
Detection(s):
SecuriteInfo.com.Trojan.Generic.33203615.28472.17882.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=680b50553d067f8483993206
Tags:
vmdetect autorun autoit emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending an HTTP GET request
Creating a file
Creating a process from a recently created file
Searching for synchronization primitives
Sending an HTTP POST request
Creating a window
Creating a file in the %temp% directory
Running batch commands
Creating a process with a hidden window
Launching a process
Сreating synchronization primitives
Searching for the window
Connection attempt
Enabling autorun by creating a file
Launching a file downloaded from the Internet
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
autoit compiled-script entropy fingerprint keylogger lolbin microsoft_visual_cc mshta packed schtasks
Link:
https://www.filescan.io/uploads/680b4ccd46fe05453ca6f25c/reports/24674694-92e2-4890-88d3-82d1960cedfb/overview
Verdict:
Malicious
Labled as:
Trojan.Agent
Link:
https://www.hybrid-analysis.com/sample/637dbc445534485b6df8c5378e26d5ac93e6c3c48af21bbf8b4e107dfbcaf5d6
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:
Unknown
Link:
https://analyze.intezer.com/analyses/842093f2-c9ff-4c1f-81fa-c74489431b42
Result
Threat name:
Amadey, CryptOne, LummaC Stealer
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1673969
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Antivirus detection for URL or domain
Binary is likely a compiled AutoIt script file
C2 URLs / IPs found in malware configuration
Connects to a pastebin service (likely for C&C)
Contains functionality to inject code into remote processes
Contains functionality to start a terminal service
Creates HTA files
Detected unpacking (changes PE section rights)
Found API chain indicative of sandbox detection
Found malware configuration
Hides threads from debuggers
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Powershell drops PE 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 process hollowing technique
Sample uses string decryption to hide its real strings
Sigma detected: Invoke-Obfuscation CLIP+ Launcher
Sigma detected: Invoke-Obfuscation VAR+ Launcher
Sigma detected: Powershell download and execute file
Sigma detected: PowerShell DownloadFile
Sigma detected: Script Interpreter Execution From Suspicious Folder
Sigma detected: Suspicious MSHTA Child Process
Sigma detected: Suspicious Script Execution From Temp Folder
Suricata IDS alerts for network traffic
Suspicious powershell command line found
Tries to detect process monitoring tools (Task Manager, Process Explorer etc.)
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Tries to detect virtualization through RDTSC time measurements
Tries to download and execute files (via powershell)
Tries to evade debugger and weak emulator (self modifying code)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to steal Crypto Currency Wallets
Tries to steal from password manager
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected Amadey
Yara detected Amadeys Clipper DLL
Yara detected Costura Assembly Loader
Yara detected CryptOne packer
Yara detected LummaC Stealer
Yara detected obfuscated html page
Yara detected Powershell download and execute
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1673969 Sample: random.exe Startdate: 25/04/2025 Architecture: WINDOWS Score: 100 105 pastebin.com 2->105 107 owlflright.digital 2->107 109 11 other IPs or domains 2->109 151 Suricata IDS alerts for network traffic 2->151 153 Found malware configuration 2->153 155 Malicious sample detected (through community Yara rule) 2->155 159 25 other signatures 2->159 10 saved.exe 19 2->10         started        15 random.exe 1 2->15         started        17 mshta.exe 1 2->17         started        19 svchost.exe 2->19         started        signatures3 157 Connects to a pastebin service (likely for C&C) 105->157 process4 dnsIp5 117 185.39.17.163, 49685, 49686, 80 RU-TAGNET-ASRU Russian Federation 10->117 95 C:\Users\user\AppData\...\de73c51f42.exe, PE32 10->95 dropped 97 C:\Users\user\AppData\...\c651964826.exe, PE32 10->97 dropped 99 C:\Users\user\AppData\Local\...\random[1].exe, PE32 10->99 dropped 101 C:\Users\user\AppData\Local\...\random[1].exe, PE32 10->101 dropped 183 Contains functionality to start a terminal service 10->183 21 c651964826.exe 10->21         started        25 de73c51f42.exe 10->25         started        103 C:\Users\user\AppData\Local\...\CTMknQ4z5.hta, HTML 15->103 dropped 185 Binary is likely a compiled AutoIt script file 15->185 187 Found API chain indicative of sandbox detection 15->187 189 Creates HTA files 15->189 27 mshta.exe 1 15->27         started        29 cmd.exe 1 15->29         started        191 Suspicious powershell command line found 17->191 193 Tries to download and execute files (via powershell) 17->193 31 powershell.exe 14 16 17->31         started        119 127.0.0.1 unknown unknown 19->119 file6 signatures7 process8 file9 89 C:\Users\user\AppData\...\c651964826.tmp, PE32 21->89 dropped 161 Multi AV Scanner detection for dropped file 21->161 33 c651964826.tmp 21->33         started        91 C:\Users\user\AppData\...\svchost015.exe, PE32 25->91 dropped 163 Detected unpacking (changes PE section rights) 25->163 165 Tries to detect sandboxes and other dynamic analysis tools (window names) 25->165 167 Writes to foreign memory regions 25->167 177 8 other signatures 25->177 36 svchost015.exe 25->36         started        169 Suspicious powershell command line found 27->169 171 Tries to download and execute files (via powershell) 27->171 39 powershell.exe 15 19 27->39         started        173 Uses schtasks.exe or at.exe to add and modify task schedules 29->173 42 conhost.exe 29->42         started        44 schtasks.exe 1 29->44         started        175 Contains functionality to start a terminal service 31->175 46 TempZIBWOJZ9MIBCVFDMNSNMRS7WUTTPJYZZ.EXE 31->46         started        48 conhost.exe 31->48         started        signatures10 process11 dnsIp12 71 C:\Users\user\AppData\...\unins000.exe (copy), PE32 33->71 dropped 73 C:\Users\user\AppData\...\is-P762B.tmp, PE32 33->73 dropped 75 C:\Users\user\AppData\...\is-G27SH.tmp, PE32+ 33->75 dropped 87 6 other malicious files 33->87 dropped 50 core.exe 33->50         started        53 info.exe 33->53         started        56 putty.exe 33->56         started        111 185.156.73.98 RELDAS-NETRU Russian Federation 36->111 77 C:\Users\user\AppData\Local\Temp\...\YCL.exe, PE32 36->77 dropped 79 C:\Users\user\...\Bunifu_UI_v1.5.3.dll, PE32 36->79 dropped 81 C:\Users\user\AppData\Local\...\soft[1], PE32 36->81 dropped 83 C:\Users\user\AppData\Local\...\dll[1], PE32 36->83 dropped 113 185.39.17.162, 49683, 49684, 49687 RU-TAGNET-ASRU Russian Federation 39->113 85 TempZIBWOJZ9MIBCVFDMNSNMRS7WUTTPJYZZ.EXE, PE32 39->85 dropped 179 Powershell drops PE file 39->179 58 TempZIBWOJZ9MIBCVFDMNSNMRS7WUTTPJYZZ.EXE 4 39->58         started        61 conhost.exe 39->61         started        181 Contains functionality to start a terminal service 46->181 file13 signatures14 process15 dnsIp16 139 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 50->139 141 Writes to foreign memory regions 50->141 143 Injects a PE file into a foreign processes 50->143 63 InstallUtil.exe 50->63         started        115 stats-1.crabdance.com 82.115.223.212 MIDNET-ASTK-TelecomRU Russian Federation 53->115 67 conhost.exe 53->67         started        93 C:\Users\user\AppData\Local\...\saved.exe, PE32 58->93 dropped 145 Multi AV Scanner detection for dropped file 58->145 147 Contains functionality to start a terminal service 58->147 149 Contains functionality to inject code into remote processes 58->149 69 saved.exe 58->69         started        file17 signatures18 process19 dnsIp20 121 steamcommunity.com 23.52.218.12 TelecentroSAAR United States 63->121 123 wolverineas.top 104.21.94.4 CLOUDFLARENETUS United States 63->123 125 pastebin.com 104.22.69.199 CLOUDFLARENETUS United States 63->125 127 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 63->127 129 Query firmware table information (likely to detect VMs) 63->129 131 Tries to harvest and steal ftp login credentials 63->131 137 3 other signatures 63->137 133 Multi AV Scanner detection for dropped file 69->133 135 Contains functionality to start a terminal service 69->135 signatures21
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/637dbc445534485b6df8c5378e26d5ac93e6c3c48af21bbf8b4e107dfbcaf5d6
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/637dbc445534485b6df8c5378e26d5ac93e6c3c48af21bbf8b4e107dfbcaf5d6/
Threat name:
Win32.Trojan.Amadey
Create hunting rule
Status:
Malicious
First seen:
2025-04-25 08:50:20 UTC
File Type:
PE (Exe)
Extracted files:
26
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mn63yrcvgrefw3pyyu3y4jwvvsj6nq6erlzbxp4ljyih366k6xla._file
Verdict:
malicious
Label(s):
amadey
Create hunting rule
Similar samples:
error
LummaStealer
Result
Malware family:
n/a
Score:
  10/10
Tags:
discovery execution
Link:
https://tria.ge/reports/250425-krnjcassaw/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Checks computer location settings
Blocklisted process makes network request
Command and Scripting Interpreter: PowerShell
Malware Config
Dropper Extraction:
http://185.39.17.162/testmine/random.exe
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/3fe21715-af3f-4d41-bd8a-71b6079f26d5
Unpacked files
SH256 hash:
637dbc445534485b6df8c5378e26d5ac93e6c3c48af21bbf8b4e107dfbcaf5d6
MD5 hash:
050bdc6e2fa639587860cb85954a2cb5
SHA1 hash:
c1cfd60efac133f1f887df81eef31677b9028c4d
Link:
https://www.unpac.me/results/6e4c1930-7016-40f6-a2cb-172a9acaa9b3/
Malware family:
Amadey
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/637dbc445534/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/637dbc445534485b6df8c5378e26d5ac93e6c3c48af21bbf8b4e107dfbcaf5d6

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:AutoIT_Compiled
Create hunting rule
Author:@bartblaze
Description:Identifies compiled AutoIT script (as EXE). This rule by itself does NOT necessarily mean the detected file is malicious.
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:pe_detect_tls_callbacks
Create hunting rule

File information

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

Web download

LummaStealer

Executable exe 637dbc445534485b6df8c5378e26d5ac93e6c3c48af21bbf8b4e107dfbcaf5d6

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/4042/
  
URLhaus
https://urlhaus.abuse.ch/url/3518560/
  
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
CHECK_NXMissing Non-Executable Memory Protectioncritical
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::AllocateAndInitializeSid
ADVAPI32.dll::CopySid
ADVAPI32.dll::FreeSid
ADVAPI32.dll::GetLengthSid
ADVAPI32.dll::GetTokenInformation
ADVAPI32.dll::GetAce
COM_BASE_APICan Download & Execute componentsole32.dll::CLSIDFromProgID
ole32.dll::CoCreateInstance
ole32.dll::CoCreateInstanceEx
ole32.dll::CoInitializeSecurity
ole32.dll::CreateStreamOnHGlobal
MULTIMEDIA_APICan Play MultimediaWINMM.dll::mciSendStringW
WINMM.dll::timeGetTime
WINMM.dll::waveOutSetVolume
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AddAce
ADVAPI32.dll::AdjustTokenPrivileges
ADVAPI32.dll::CheckTokenMembership
ADVAPI32.dll::DuplicateTokenEx
ADVAPI32.dll::GetAclInformation
ADVAPI32.dll::GetSecurityDescriptorDacl
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteExW
SHELL32.dll::ShellExecuteW
SHELL32.dll::SHFileOperationW
WIN32_PROCESS_APICan Create Process and ThreadsADVAPI32.dll::CreateProcessAsUserW
KERNEL32.dll::CreateProcessW
ADVAPI32.dll::CreateProcessWithLogonW
KERNEL32.dll::OpenProcess
ADVAPI32.dll::OpenProcessToken
ADVAPI32.dll::OpenThreadToken
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::SetSystemPowerState
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetDriveTypeW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileExW
KERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateHardLinkW
IPHLPAPI.DLL::IcmpCreateFile
KERNEL32.dll::CreateFileW
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameW
ADVAPI32.dll::GetUserNameW
ADVAPI32.dll::LogonUserW
ADVAPI32.dll::LookupPrivilegeValueW
WIN_NETWORK_APISupports Windows NetworkingMPR.dll::WNetAddConnection2W
MPR.dll::WNetUseConnectionW
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegConnectRegistryW
ADVAPI32.dll::RegCreateKeyExW
ADVAPI32.dll::RegDeleteKeyW
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryValueExW
ADVAPI32.dll::RegSetValueExW
WIN_USER_APIPerforms GUI ActionsUSER32.dll::BlockInput
USER32.dll::CloseDesktop
USER32.dll::CreateMenu
USER32.dll::EmptyClipboard
USER32.dll::FindWindowExW
USER32.dll::FindWindowW

Comments