MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 82d99b840ac392300eb572ed71f77b62278361bce95488e24b0f53de4d67ad8c. 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: 17


Intelligence 17 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 82d99b840ac392300eb572ed71f77b62278361bce95488e24b0f53de4d67ad8c
SHA3-384 hash: a5d13f9ad0b15308a300c05d166969969a6269a8e842b7cb13c70eaa9350199467e860ea1db2e78e7b399cdc884af238
SHA1 hash: 6227cb221e604ec4d9c0e00a2d0ced0fb14a23fc
MD5 hash: 4f132cd93fe858362c4feb4d4effd90a
humanhash: dakota-robin-pennsylvania-seven
File name:4f132cd93fe858362c4feb4d4effd90a.exe
Download: download sample
Signature Smoke Loader
Create hunting rule
File size:212'992 bytes
First seen:2024-08-22 07:16:20 UTC
Last seen:2024-08-22 08:26:08 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 22eaeddf16a7d886e0da7cca854c85fb (1 x Smoke Loader)
ssdeep 3072:+XSI/Bv48I9DWF/VLVqY81GcPE5EZRrBLrcJ7itM:+XcX9DWB1ZtarFgJ
TLSH T13E249E2136E18832E6FB497418B4ABA4DF7BF8A66670414F3674376E1E317D18A32317
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
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)
File icon (PE):PE icon
dhash icon 9671e896ccd2d4cc (4 x Smoke Loader, 2 x GCleaner, 1 x MarsStealer)
Reporter abuse_ch
Tags:exe Smoke Loader

Intelligence

File Origin
# of uploads :
2
# of downloads :
436
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
4f132cd93fe858362c4feb4d4effd90a.exe
Verdict:
Malicious activity
Analysis date:
2024-08-22 07:30:59 UTC
Tags:
loader smokeloader
Link:
https://app.any.run/tasks/c566b0e6-6b66-4aeb-b826-f321d8a9fc4a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.MulDrop28.8655.534.10630.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
94.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66c6e5f3e7ff3f5a063bbe62
Tags:
Smoke Loader
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
DNS request
Connection attempt
Sending an HTTP POST request
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-vm epmicrosoft_visual_cc fingerprint microsoft_visual_cc smokeloader
Link:
https://www.filescan.io/uploads/66c6e5f4aa12eb10615f6cb2/reports/7db89856-e507-4fa1-a727-1d37b683a98d/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/82d99b840ac392300eb572ed71f77b62278361bce95488e24b0f53de4d67ad8c
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/1099820c-d4af-42b2-8f4d-b8494f348276
Result
Threat name:
SmokeLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1497248
Signature
AI detected suspicious sample
Antivirus detection for URL or domain
Benign windows process drops PE files
C2 URLs / IPs found in malware configuration
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: 1497248 Sample: eA8RqncXek.exe Startdate: 22/08/2024 Architecture: WINDOWS Score: 100 21 yosoborno.com 2->21 23 oytrtojfgh.asia 2->23 29 Multi AV Scanner detection for domain / URL 2->29 31 Suricata IDS alerts for network traffic 2->31 33 Found malware configuration 2->33 35 7 other signatures 2->35 7 eA8RqncXek.exe 2->7         started        10 ftucdej 2->10         started        signatures3 process4 signatures5 37 Detected unpacking (changes PE section rights) 7->37 39 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->39 41 Maps a DLL or memory area into another process 7->41 49 2 other signatures 7->49 12 explorer.exe 94 3 7->12 injected 43 Multi AV Scanner detection for dropped file 10->43 45 Machine Learning detection for dropped file 10->45 47 Checks if the current machine is a virtual machine (disk enumeration) 10->47 process6 dnsIp7 25 181.80.4.144, 49755, 49756, 49757 TelecomArgentinaSAAR Argentina 12->25 27 yosoborno.com 109.98.58.98, 49711, 49712, 49713 RTDBucharestRomaniaRO Romania 12->27 17 C:\Users\user\AppData\Roaming\ftucdej, PE32 12->17 dropped 19 C:\Users\user\...\ftucdej:Zone.Identifier, ASCII 12->19 dropped 51 System process connects to network (likely due to code injection or exploit) 12->51 53 Benign windows process drops PE files 12->53 55 Deletes itself after installation 12->55 57 Hides that the sample has been downloaded from the Internet (zone.identifier) 12->57 file8 signatures9
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/82d99b840ac392300eb572ed71f77b62278361bce95488e24b0f53de4d67ad8c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/82d99b840ac392300eb572ed71f77b62278361bce95488e24b0f53de4d67ad8c/
Threat name:
Win32.Trojan.SmokeLoader
Create hunting rule
Status:
Malicious
First seen:
2024-08-22 06:32:57 UTC
File Type:
PE (Exe)
Extracted files:
18
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qlmzxbakyojdadvvolwxd533mitygyn45fkiryslb5j54tlhvwga._file
Verdict:
malicious
Result
Malware family:
smokeloader
Create hunting rule
Score:
  10/10
Tags:
family:smokeloader botnet:pub1 backdoor discovery trojan
Link:
https://tria.ge/reports/240822-h4dhssxgqj/
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/69554ab9-1b43-43a1-91d8-5f232714584c
Unpacked files
SH256 hash:
94f6dd5dde19307d152c1a86c8d879b0b15882635efcca85448a8581e93f1d48
MD5 hash:
cee613a424d18d0af532c894f5adfe99
SHA1 hash:
f40cfd81f975a2e2a0176aa8b693990faa7df513
Detections:
SmokeLoaderStage2
Create hunting rule
win_smokeloader_a2
Create hunting rule
Link:
https://www.unpac.me/results/baf6aaff-cc58-4886-bded-ced6497bde1a/
Parent samples :
064c59b3a8b03e6c733f88483fd675d99bc805399c55d4a1a7b613aa20d08de8
bd9ca2dc4d06f966007b03c5731c94308325d43ab0c2777c99e34a41d8de73ac
82d99b840ac392300eb572ed71f77b62278361bce95488e24b0f53de4d67ad8c
c9df783b54c2a135f1aed03e5bc8910d76b45f86dbc24e5f295ffd6e2fc3cfa0
64f1dd01e35a2b9ea3cfef3add84388f63e4ac7fcfd1daf68e5aebeb11c8e944
SH256 hash:
82d99b840ac392300eb572ed71f77b62278361bce95488e24b0f53de4d67ad8c
MD5 hash:
4f132cd93fe858362c4feb4d4effd90a
SHA1 hash:
6227cb221e604ec4d9c0e00a2d0ced0fb14a23fc
Link:
https://www.unpac.me/results/baf6aaff-cc58-4886-bded-ced6497bde1a/
Malware family:
SmokeLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/82d99b840ac3/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/82d99b840ac392300eb572ed71f77b62278361bce95488e24b0f53de4d67ad8c

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:DebuggerHiding__Active
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 82d99b840ac392300eb572ed71f77b62278361bce95488e24b0f53de4d67ad8c

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3112849/
  
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
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::GetStartupInfoA
KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::FillConsoleOutputCharacterA
KERNEL32.dll::WriteConsoleOutputA
KERNEL32.dll::SetConsoleScreenBufferSize
KERNEL32.dll::GetConsoleAliasesLengthW
KERNEL32.dll::GetConsoleAliasesLengthA
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateDirectoryW
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameA

Comments