MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 677e267b67c4d11df74cda41f59b44cd8169f1dcc5b2fb02dadadf4d4d3409fc. 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: 19


Intelligence 19 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 677e267b67c4d11df74cda41f59b44cd8169f1dcc5b2fb02dadadf4d4d3409fc
SHA3-384 hash: b948883a0e0d7ebd80b19dc0101620757d1a3b13285603cbca00552959172b536b5b9fabff704ef59878547eee1953a1
SHA1 hash: 4ae0f8c17881f88f44e4a8b291e8e7c829b62de8
MD5 hash: bb82dc37c6581cd43e4d446ad0767603
humanhash: comet-sink-football-california
File name:file
Download: download sample
Signature Smoke Loader
Create hunting rule
File size:244'736 bytes
First seen:2024-07-19 19:50:28 UTC
Last seen:2024-07-20 14:03:29 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 9939b7637333f09fd7c0070786cd743f (2 x Stop, 1 x Smoke Loader, 1 x Tofsee)
ssdeep 3072:h+gjQMxoc5PU6NjSy7AABj0MRO44YVW63zmGuE2u4xI7D4aAr4:h+mxzRdScn0MXP3aGdT4xIgNr
Threatray 1 similar samples on MalwareBazaar
TLSH T14334BE2132E5C032F27BC9304AF5CA714A7BBC665A72948F3BE5177E5F62692C624313
TrID 37.3% (.EXE) Win64 Executable (generic) (10523/12/4)
17.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
15.9% (.EXE) Win32 Executable (generic) (4504/4/1)
7.3% (.ICL) Windows Icons Library (generic) (2059/9)
7.2% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 0819123860c08000 (1 x Smoke Loader)
Reporter Bitsight
Tags:exe Smoke Loader


Avatar
Bitsight
url: https://coe.com.vn/tmp/2.exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
467
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ursnif
Create hunting rule
ID:
1
File name:
677e267b67c4d11df74cda41f59b44cd8169f1dcc5b2fb02dadadf4d4d3409fc.zip
Verdict:
Malicious activity
Analysis date:
2024-07-19 20:49:27 UTC
Tags:
loader smokeloader gozi ursnif dreambot banker stealer
Link:
https://app.any.run/tasks/7e69d2eb-64a2-4c4a-89ed-d2086bea3b15

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Packer.pkr_ce1a-9980177-0
Create hunting rule

Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=669ac3a92f6eaff4b90eeea3
Tags:
Network Stealth
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Connection attempt to an infection source
DNS request
Query of malicious DNS domain
Enabling autorun by creating a file
Sending an HTTP POST request to an infection source
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
epmicrosoft_visual_cc fingerprint microsoft_visual_cc packed
Link:
https://www.filescan.io/uploads/669ac3a87b9add553ed7eebc/reports/78acf5fd-1548-4ace-9b95-faafeaf9bf75/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/677e267b67c4d11df74cda41f59b44cd8169f1dcc5b2fb02dadadf4d4d3409fc
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/971b12a6-79eb-4d1c-b8aa-7c85a71d660d
Result
Threat name:
LummaC, SmokeLoader
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1477008
Signature
AI detected suspicious sample
Allocates memory in foreign processes
Antivirus detection for URL or domain
Benign windows process drops PE files
C2 URLs / IPs found in malware configuration
Changes memory attributes in foreign processes to executable or writable
Check for Windows Defender sandbox
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)
Creates autostart registry keys with suspicious names
Deletes itself after installation
Detected unpacking (changes PE section rights)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
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)
LummaC encrypted strings found
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries memory information (via WMI often done to detect virtual machines)
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Queries sensitive physical memory information (via WMI, Win32_PhysicalMemory, 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: New RUN Key Pointing to Suspicious Folder
Snort IDS alert 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 detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to steal Crypto Currency Wallets
Writes to foreign memory regions
Yara detected LummaC Stealer
Yara detected SmokeLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1477008 Sample: file.exe Startdate: 19/07/2024 Architecture: WINDOWS Score: 100 46 mussangroup.com 2->46 48 gebeus.ru 2->48 50 2 other IPs or domains 2->50 68 Snort IDS alert for network traffic 2->68 70 Found malware configuration 2->70 72 Malicious sample detected (through community Yara rule) 2->72 74 9 other signatures 2->74 9 file.exe 2->9         started        12 iegejvh 2->12         started        signatures3 process4 signatures5 92 Detected unpacking (changes PE section rights) 9->92 94 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 9->94 96 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 9->96 104 3 other signatures 9->104 14 explorer.exe 118 8 9->14 injected 98 Multi AV Scanner detection for dropped file 12->98 100 Machine Learning detection for dropped file 12->100 102 Maps a DLL or memory area into another process 12->102 process6 dnsIp7 54 mussangroup.com 185.149.100.242, 443, 49733 VERIDYENVeridyenBilisimTeknolojileriSanayiveTicaretLi Turkey 14->54 56 gebeus.ru 190.224.203.37, 49712, 49713, 49714 TelecomArgentinaSAAR Argentina 14->56 58 7 other IPs or domains 14->58 38 C:\Users\user\AppData\Roaming\iegejvh, PE32 14->38 dropped 40 C:\Users\user\AppData\Local\Temp\F06C.exe, PE32+ 14->40 dropped 42 C:\Users\user\AppData\Local\TempE3E.exe, PE32+ 14->42 dropped 44 C:\Users\user\...\iegejvh:Zone.Identifier, ASCII 14->44 dropped 60 System process connects to network (likely due to code injection or exploit) 14->60 62 Benign windows process drops PE files 14->62 64 Queries sensitive physical memory information (via WMI, Win32_PhysicalMemory, often done to detect virtual machines) 14->64 66 5 other signatures 14->66 19 EE3E.exe 2 14->19         started        22 F06C.exe 1 14->22         started        24 F06C.exe 1 14->24         started        26 F06C.exe 1 14->26         started        file8 signatures9 process10 signatures11 76 Writes to foreign memory regions 19->76 78 Allocates memory in foreign processes 19->78 80 Injects a PE file into a foreign processes 19->80 82 LummaC encrypted strings found 19->82 28 BitLockerToGo.exe 19->28         started        84 Check for Windows Defender sandbox 22->84 86 Machine Learning detection for dropped file 22->86 88 Changes memory attributes in foreign processes to executable or writable 22->88 90 Injects code into the Windows Explorer (explorer.exe) 22->90 32 conhost.exe 22->32         started        34 conhost.exe 24->34         started        36 conhost.exe 26->36         started        process12 dnsIp13 52 callosallsaospz.shop 188.114.97.3, 443, 49745, 49746 CLOUDFLARENETUS European Union 28->52 106 Query firmware table information (likely to detect VMs) 28->106 108 Found many strings related to Crypto-Wallets (likely being stolen) 28->108 110 Tries to harvest and steal ftp login credentials 28->110 112 2 other signatures 28->112 signatures14
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/677e267b67c4d11df74cda41f59b44cd8169f1dcc5b2fb02dadadf4d4d3409fc
Detection:
smokeloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/677e267b67c4d11df74cda41f59b44cd8169f1dcc5b2fb02dadadf4d4d3409fc/
Threat name:
Win32.Trojan.Smokeloader
Create hunting rule
Status:
Malicious
First seen:
2024-07-19 19:51:12 UTC
File Type:
PE (Exe)
Extracted files:
6
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=m57cm63hytir352m3ja7lg2ezwawt4o4ywzpwaw23lpu2tjubh6a._file
Verdict:
malicious
Similar samples:
677e267b67c4d11df74cda41f59b44cd8169f1dcc5b2fb02dadadf4d4d3409fc
Smoke Loader
Result
Malware family:
smokeloader
Create hunting rule
Score:
  10/10
Tags:
family:smokeloader botnet:pub2 backdoor trojan
Link:
https://tria.ge/reports/240719-yktcxaxalq/
Behaviour
Checks SCSI registry key(s)
Program crash
SmokeLoader
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/fbf08c16-ee0f-411e-8402-027dcf00f133
Unpacked files
SH256 hash:
71a037f50013ea3d027ca8e3705ff6af2d28bb2a990c668fa1d3cce14d16c67a
MD5 hash:
8076765b0ac9d281a4fa2c8f30808b26
SHA1 hash:
5edeee2a17b45bd4b11c1ba16b324a6e963bf3a1
Detections:
SmokeLoaderStage2
Create hunting rule
win_smokeloader_a2
Create hunting rule
Link:
https://www.unpac.me/results/8892a4c0-a963-467f-a238-2517b42b413d/
Parent samples :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 hash:
677e267b67c4d11df74cda41f59b44cd8169f1dcc5b2fb02dadadf4d4d3409fc
MD5 hash:
bb82dc37c6581cd43e4d446ad0767603
SHA1 hash:
4ae0f8c17881f88f44e4a8b291e8e7c829b62de8
Link:
https://www.unpac.me/results/8892a4c0-a963-467f-a238-2517b42b413d/
Malware family:
SmokeLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/677e267b67c4/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/677e267b67c4d11df74cda41f59b44cd8169f1dcc5b2fb02dadadf4d4d3409fc

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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
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

Smoke Loader

Executable exe 677e267b67c4d11df74cda41f59b44cd8169f1dcc5b2fb02dadadf4d4d3409fc

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3052315/
  
URLhaus
https://urlhaus.abuse.ch/url/2948289/
  
URLhaus
https://urlhaus.abuse.ch/url/3052257/

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_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetDiskFreeSpaceExW
KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::PeekConsoleInputA
KERNEL32.dll::SetConsoleCtrlHandler
KERNEL32.dll::SetStdHandle
KERNEL32.dll::AssignProcessToJobObject
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateHardLinkA
KERNEL32.dll::CreateFileW
KERNEL32.dll::GetSystemDirectoryW

Comments