MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4dcf43767f4fd901ef13a37da7499a54c61cf045a045186151a8bbefc251ee6b. 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: 18


Intelligence 18 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4dcf43767f4fd901ef13a37da7499a54c61cf045a045186151a8bbefc251ee6b
SHA3-384 hash: 8c5ad8e2246dd3a7f884d75a6ae712320348e1e91d0e9bbd928ce385e6193c54e0a070cc580c90626f12ba18a035ab1a
SHA1 hash: b26485ed3ee5990d1c8363e743d8e0903e2b3433
MD5 hash: 6495432f0808eb94291d12c862216fe2
humanhash: hotel-alanine-whiskey-robin
File name:file
Download: download sample
Signature Smoke Loader
Create hunting rule
File size:377'856 bytes
First seen:2024-10-20 04:00:10 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash fa634277cf7ca53dcfe49ebb014dd360 (2 x Stealc, 1 x Smoke Loader)
ssdeep 6144:VaIYQL38hwc85w569ALrSsP5hglG+E3hX936mDtQhkBTI9I9jtj8OU8vJpm:VLLL8hh85wYytPrcG+0qk2hg/VtTB7m
Threatray 2'703 similar samples on MalwareBazaar
TLSH T1D484E0213680C532E9B655304F31E2E65A7EFC722965814B77443BBE3E313C29AB935B
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 9482eebe96bea680 (1 x Smoke Loader)
Reporter Bitsight
Tags:exe Smoke Loader


Avatar
Bitsight
url: http://di-nai.com/25r43te22tsqsdf/setup2.exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
455
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-10-20 04:02:43 UTC
Tags:
loader smokeloader
Link:
https://app.any.run/tasks/980f1a8f-4125-471e-851f-bbac164177ee

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:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6714804d5a02f8393c7290a7
Tags:
Phishing Html Hype Onli
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Query of malicious DNS domain
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
fingerprint microsoft_visual_cc packed
Link:
https://www.filescan.io/uploads/6714807e71846600385271e8/reports/803d0c61-2005-4345-8243-5ec720d9fe83/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/4dcf43767f4fd901ef13a37da7499a54c61cf045a045186151a8bbefc251ee6b
Result
Verdict:
SUSPICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Malicious Packer
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/1819fd63-ce8a-44be-8bca-d3be6de673b5
Result
Threat name:
SmokeLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1538051
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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)
Deletes itself after installation
Detected unpacking (changes PE section rights)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
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 detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected SmokeLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1538051 Sample: file.exe Startdate: 20/10/2024 Architecture: WINDOWS Score: 100 21 volisc.biz 2->21 23 tnc-corp.ru 2->23 25 2 other IPs or domains 2->25 31 Multi AV Scanner detection for domain / URL 2->31 33 Suricata IDS alerts for network traffic 2->33 35 Found malware configuration 2->35 37 7 other signatures 2->37 7 file.exe 2->7         started        10 wdhwgdv 2->10         started        signatures3 process4 signatures5 39 Detected unpacking (changes PE section rights) 7->39 41 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->41 43 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 7->43 51 4 other signatures 7->51 12 explorer.exe 51 3 7->12 injected 45 Antivirus detection for dropped file 10->45 47 Multi AV Scanner detection for dropped file 10->47 49 Machine Learning detection for dropped file 10->49 process6 dnsIp7 27 181.123.219.23, 56798, 57004, 57064 TelecelSAPY Paraguay 12->27 29 152.231.120.3, 57077, 59097, 59098 ENTELCHILESACL Chile 12->29 17 C:\Users\user\AppData\Roaming\wdhwgdv, PE32 12->17 dropped 19 C:\Users\user\...\wdhwgdv:Zone.Identifier, ASCII 12->19 dropped 53 System process connects to network (likely due to code injection or exploit) 12->53 55 Benign windows process drops PE files 12->55 57 Deletes itself after installation 12->57 59 Hides that the sample has been downloaded from the Internet (zone.identifier) 12->59 file8 signatures9
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/4dcf43767f4fd901ef13a37da7499a54c61cf045a045186151a8bbefc251ee6b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4dcf43767f4fd901ef13a37da7499a54c61cf045a045186151a8bbefc251ee6b/
Threat name:
Win32.Trojan.CrypterX
Create hunting rule
Status:
Malicious
First seen:
2024-10-20 04:01:04 UTC
File Type:
PE (Exe)
Extracted files:
21
AV detection:
15 of 37 (40.54%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jxhug5t7j7mqd3ytun62osm2ktdbz4cfubcrqykrvc567qsr5zvq._file
Verdict:
malicious
Label(s):
shellcode_loader_002
Create hunting rule
smokeloader
Create hunting rule
Similar samples:
0cf8ad6b4b1a25137fb42e0d831386e514620c851f782e37ebbd0d68105eb3d1
Smoke Loader
62469fe28764545471f447f88db812a162e9fe0af09f93b343c192a306600743
Smoke Loader
af1cd06ae9d17e6d05909d5031a72788989cb3980e7a456011091fc3ac77a07f
Smoke Loader
c2647db7431c0ad5d159b8630e17a5f97a3ed537671d61e1a55634d10b59fb9c
Smoke Loader
c4139579bd2c09fa3f876c15b04be33bd25e5c524fb687557771a07e99e22b9c
Smoke Loader
cdc147abb465b0c0feeecc4b762006d55c11892b91f2d62dcee13a74f41eecbb
Smoke Loader
d4e16d64c907e94582b597ee468f3ffbb85f4563db0b69ac1cb427c978158f5f
Smoke Loader
e73e80fb1603b44dddfa19c5534a0bf4ab297b86f230d465ad0ef47a5b502996
Smoke Loader
error
Smoke Loader
+ 2'693 additional samples on MalwareBazaar
Result
Malware family:
smokeloader
Create hunting rule
Score:
  10/10
Tags:
family:smokeloader botnet:pub2 backdoor discovery trojan
Link:
https://tria.ge/reports/241020-ek7qraxgmg/
Behaviour
Checks SCSI registry key(s)
Program crash
System Location Discovery: System Language Discovery
SmokeLoader
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/790a8256-2e93-459f-add2-27775acd0e93
Unpacked files
SH256 hash:
d44952d1d1b03d23f8425d0b723b75b70c5a2d60d950d3210e3afbc4ff476b11
MD5 hash:
79cef9305013b2a3addf14245fcccb52
SHA1 hash:
7670838db9ff4f7aa091ed084b54985a5a3a4cc0
Detections:
SmokeLoaderStage2
Create hunting rule
win_smokeloader_a2
Create hunting rule
Link:
https://www.unpac.me/results/8069119c-3793-4cf3-a209-e0c18a38941e/
Parent samples :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 hash:
4dcf43767f4fd901ef13a37da7499a54c61cf045a045186151a8bbefc251ee6b
MD5 hash:
6495432f0808eb94291d12c862216fe2
SHA1 hash:
b26485ed3ee5990d1c8363e743d8e0903e2b3433
Link:
https://www.unpac.me/results/8069119c-3793-4cf3-a209-e0c18a38941e/
Malware family:
SmokeLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4dcf43767f4f/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/4dcf43767f4fd901ef13a37da7499a54c61cf045a045186151a8bbefc251ee6b

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

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 4dcf43767f4fd901ef13a37da7499a54c61cf045a045186151a8bbefc251ee6b

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3231936/

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
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessW
KERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetStartupInfoA
KERNEL32.dll::GetDiskFreeSpaceExA
KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleA
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleInputA
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleAliasExesA
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileA
KERNEL32.dll::GetFileAttributesW
KERNEL32.dll::GetTempFileNameA
KERNEL32.dll::SetVolumeMountPointA
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameA

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