MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 645ee0535f2ada91b101c0029f2fb71de2a27c10a5446e84d3547968ea36eafe. 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


Smoke Loader


Vendor detections: 14


Intelligence 14 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 645ee0535f2ada91b101c0029f2fb71de2a27c10a5446e84d3547968ea36eafe
SHA3-384 hash: 5d6a3412d61932392c6d114b0c5688dbbab72c74cf61912d1beeb443fb29584b898db032056064b2eb5b53b5268e8eac
SHA1 hash: 75e6bd440e37240fee4bf7ae01109093490ac5a7
MD5 hash: 211dd0cc3da148c5bc61389693fd284f
humanhash: quiet-item-coffee-hot
File name:file
Download: download sample
Signature Smoke Loader
Create hunting rule
File size:758'801 bytes
First seen:2024-11-20 10:18:10 UTC
Last seen:2024-11-22 04:00:37 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash be41bf7b8cc010b614bd36bbca606973 (195 x LummaStealer, 126 x DanaBot, 63 x Vidar)
ssdeep 12288:0CUIDSqmWYzAoweej5i03v54L/sYZf2J8weqNjpnB5CLMjHgGXyPGSifD:0amqmWYde1/4LiJleEd/IMjHxplr
TLSH T1F3F423459FC8D627D6F346B138F8060A6FB1740124E4E46F970848EE3972A40AAF93B7
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10522/11/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
File icon (PE):PE icon
dhash icon 78f8d9838a294da9 (1 x Smoke Loader)
Reporter Bitsight
Tags:exe Smoke Loader


Avatar
Bitsight
url: http://150.241.91.218/GuidanceConnectors.exe

Intelligence

File Origin
# of uploads :
4
# of downloads :
419
Origin country :
US US
Vendor Threat Intelligence
Malware family:
amadey
Create hunting rule
ID:
1
File name:
file.exe
Verdict:
Malicious activity
Analysis date:
2024-11-20 10:17:53 UTC
Tags:
amadey botnet stealer themida loader stealc lumma autoit autoit-loader smokeloader
Link:
https://app.any.run/tasks/71ae4037-a658-40bd-9882-5d232c3b138b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.NSIS.Runner.26007.11133.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=673db854ebd8decee51f5299
Tags:
autoit emotet nsis
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the %temp% directory
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Launching a process
Using the Windows Management Instrumentation requests
Searching for synchronization primitives
Creating a file
Creating a process from a recently created file
DNS request
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
installer microsoft_visual_cc overlay packed packed packer_detected
Link:
https://www.filescan.io/uploads/673db79db69d0b08b6793c9f/reports/5993117d-7d74-4ab9-a6ec-41adbd630a7a/overview
Verdict:
Malicious
Labled as:
Win/grayware_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/645ee0535f2ada91b101c0029f2fb71de2a27c10a5446e84d3547968ea36eafe
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/c9d5b805-48fb-454e-ada6-092214d075f5
Result
Threat name:
SmokeLoader
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1559273
Signature
AI detected suspicious sample
Benign windows process drops PE files
C2 URLs / IPs found in malware configuration
Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation))
Checks if the current machine is a virtual machine (disk enumeration)
Creates a thread in another existing process (thread injection)
Drops PE files with a suspicious file extension
Found API chain indicative of debugger detection
Found API chain indicative of sandbox detection
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Injects code into the Windows Explorer (explorer.exe)
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
Sigma detected: Search for Antivirus process
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected SmokeLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1559273 Sample: file.exe Startdate: 20/11/2024 Architecture: WINDOWS Score: 100 64 tVbpvlpuypYopkFjWdOBJOajLc.tVbpvlpuypYopkFjWdOBJOajLc 2->64 66 quantumqube.org 2->66 68 innovixus.org 2->68 72 Suricata IDS alerts for network traffic 2->72 74 Found malware configuration 2->74 76 Malicious sample detected (through community Yara rule) 2->76 78 5 other signatures 2->78 11 file.exe 16 2->11         started        13 chhfaci 5 10 2->13         started        signatures3 process4 process5 15 cmd.exe 3 11->15         started        file6 58 C:\Users\user\AppData\Local\...\Imposed.com, PE32 15->58 dropped 70 Drops PE files with a suspicious file extension 15->70 19 Imposed.com 15->19         started        22 cmd.exe 2 15->22         started        24 conhost.exe 15->24         started        26 7 other processes 15->26 signatures7 process8 signatures9 80 Found API chain indicative of debugger detection 19->80 82 Found API chain indicative of sandbox detection 19->82 84 Injects a PE file into a foreign processes 19->84 86 Switches to a custom stack to bypass stack traces 19->86 28 Imposed.com 19->28         started        31 Imposed.com 19->31         started        process10 signatures11 104 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 28->104 106 Maps a DLL or memory area into another process 28->106 108 Checks if the current machine is a virtual machine (disk enumeration) 28->108 110 Creates a thread in another existing process (thread injection) 28->110 33 explorer.exe 9 7 28->33 injected process12 dnsIp13 60 innovixus.org 150.241.91.218, 49718, 49719, 49799 TECNALIAES Spain 33->60 62 quantumqube.org 85.192.60.190, 443, 49712, 49713 LINEGROUP-ASRU Russian Federation 33->62 48 C:\Users\user\AppData\Roaming\chhfaci, PE32 33->48 dropped 88 System process connects to network (likely due to code injection or exploit) 33->88 90 Benign windows process drops PE files 33->90 92 Injects code into the Windows Explorer (explorer.exe) 33->92 94 2 other signatures 33->94 38 explorer.exe 20 33->38         started        41 explorer.exe 33->41         started        44 explorer.exe 33->44         started        46 4 other processes 33->46 file14 signatures15 process16 file17 96 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 38->96 98 Tries to steal Mail credentials (via file / registry access) 38->98 100 Tries to harvest and steal browser information (history, passwords, etc) 38->100 50 C:\...\Windows.ApplicationModel.Wallet.dll, PE32 41->50 dropped 52 C:\Users\user\AppData\...\WalletProxy.dll, PE32 41->52 dropped 54 C:\Users\...\WalletBackgroundServiceProxy.dll, PE32 41->54 dropped 56 11 other files (none is malicious) 41->56 dropped 102 System process connects to network (likely due to code injection or exploit) 41->102 signatures18
Score:
95%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/645ee0535f2ada91b101c0029f2fb71de2a27c10a5446e84d3547968ea36eafe
Detection:
smokeloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/645ee0535f2ada91b101c0029f2fb71de2a27c10a5446e84d3547968ea36eafe/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mrpoau27flnjdmibyabj6l5xdxrke7aquvcg5bgtkr4wr2rw5l7a._file
Result
Malware family:
smokeloader
Create hunting rule
Score:
  10/10
Tags:
family:smokeloader backdoor discovery trojan
Link:
https://tria.ge/reports/241120-mchewsvqc1/
Behaviour
Checks SCSI registry key(s)
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
Drops file in Windows directory
Enumerates processes with tasklist
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
SmokeLoader
Smokeloader family
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/db2f16c4-ee69-4e3a-ae36-9a2f5cf79539
Unpacked files
SH256 hash:
d99145ab93f2f32ed3a553992213cdd23f9cd869e74665e449f55b7b4a461c8f
MD5 hash:
cb4e827ff80fc7cc0ad57315f808df3a
SHA1 hash:
f86a836c9fc6a7b1f4273cb575c5244d955b0fb3
Detections:
AutoIT_Compiled
Create hunting rule
Link:
https://www.unpac.me/results/0c1d2fef-ed78-4cd0-9323-fe675a624cc5/
Parent samples :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 hash:
645ee0535f2ada91b101c0029f2fb71de2a27c10a5446e84d3547968ea36eafe
MD5 hash:
211dd0cc3da148c5bc61389693fd284f
SHA1 hash:
75e6bd440e37240fee4bf7ae01109093490ac5a7
Link:
https://www.unpac.me/results/0c1d2fef-ed78-4cd0-9323-fe675a624cc5/
Please note that we are no longer able to provide a coverage score for Virus Total.

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:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
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

Smoke Loader

Executable exe 645ee0535f2ada91b101c0029f2fb71de2a27c10a5446e84d3547968ea36eafe

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3297062/
  
URLhaus
https://urlhaus.abuse.ch/url/3297918/

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
COM_BASE_APICan Download & Execute componentsole32.dll::CoCreateInstance
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteW
SHELL32.dll::SHFileOperationW
SHELL32.dll::SHGetFileInfoW
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessW
KERNEL32.dll::OpenProcess
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetDiskFreeSpaceW
KERNEL32.dll::GetCommandLineW
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::MoveFileW
KERNEL32.dll::GetWindowsDirectoryW
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExW
ADVAPI32.dll::RegDeleteKeyW
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryValueExW
ADVAPI32.dll::RegSetValueExW
WIN_USER_APIPerforms GUI ActionsUSER32.dll::AppendMenuW
USER32.dll::EmptyClipboard
USER32.dll::FindWindowExW
USER32.dll::OpenClipboard
USER32.dll::PeekMessageW
USER32.dll::CreateWindowExW

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