MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dbd741a45d840d06d708339f9e9824f2a0d745ea6537ca44bff233ba7441bfda. 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: 15


Intelligence 15 IOCs YARA 4 File information Comments 1

SHA256 hash: dbd741a45d840d06d708339f9e9824f2a0d745ea6537ca44bff233ba7441bfda
SHA3-384 hash: af85679a61aa30b5b29cf1868f61f5baf1b35261fe0093fc00b02984fd7b9b53376c8fb1ca796503330d2fc17a3330af
SHA1 hash: f732220adaacf23de6cc69d964341766d2e350d9
MD5 hash: 92c57dd80b764a028749520017d44e76
humanhash: eight-oklahoma-alpha-mountain
File name:92c57dd80b764a028749520017d44e76
Download: download sample
Signature Smoke Loader
File size:184'320 bytes
First seen:2024-05-23 18:52:30 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 3b7ea5b6d78948c9d917846499b5c3b5 (1 x Tofsee, 1 x Smoke Loader)
ssdeep 1536:DBk7z1TJEKLoBPuST/yC+ef27OClD2ZR6LaXQ1C9Hu1v3QN5tlQDeJqXHqGcyhoM:DuST/ym27DC8EYau1P45wY
Threatray 2'213 similar samples on MalwareBazaar
TLSH T1F0049D1176E5D032ED5B03354A21C1A0192A7C71BBB4C2DF77D43B2F1EF32A0AA16B66
TrID 52.5% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
17.7% (.EXE) Win64 Executable (generic) (10523/12/4)
8.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.5% (.EXE) Win32 Executable (generic) (4504/4/1)
3.4% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 10484c4504241000 (1 x Smoke Loader)
Reporter zbetcheckin
Tags:32 exe Smoke Loader

Intelligence


File Origin
# of uploads :
1
# of downloads :
584
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
7be9ef61632edc0f2fc6ad59d64ad69dbffbd05013a80ab1dfbb6bd8a6090b66.doc
Verdict:
Malicious activity
Analysis date:
2024-05-23 18:23:20 UTC
Tags:
macros macros-on-open opendir loader smokeloader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fingerprint smokeloader
Result
Threat name:
SmokeLoader
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
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)
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
Snort IDS alert for network traffic
Tries to download HTTP data from a sinkholed server
Yara detected SmokeLoader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1446798 Sample: pkWlNPRq4x.exe Startdate: 23/05/2024 Architecture: WINDOWS Score: 100 21 vivianstyler.ru 2->21 23 vikompalion.ru 2->23 25 5 other IPs or domains 2->25 31 Tries to download HTTP data from a sinkholed server 2->31 33 Snort IDS alert for network traffic 2->33 35 Found malware configuration 2->35 37 7 other signatures 2->37 7 pkWlNPRq4x.exe 2->7         started        10 aeehtuc 2->10         started        signatures3 process4 signatures5 39 Detected unpacking (changes PE section rights) 7->39 41 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 7->41 43 Maps a DLL or memory area into another process 7->43 45 Creates a thread in another existing process (thread injection) 7->45 12 explorer.exe 92 3 7->12 injected 47 Antivirus detection for dropped file 10->47 49 Multi AV Scanner detection for dropped file 10->49 51 Checks if the current machine is a virtual machine (disk enumeration) 10->51 process6 dnsIp7 27 rafraystore.ru 78.111.89.20, 49707, 49711, 49714 PROMETEYPROMETEYLLCRU Russian Federation 12->27 29 ccbaminumpot.ru 195.123.218.120, 49708, 49709, 49712 ITLDC-NLUA Bulgaria 12->29 17 C:\Users\user\AppData\Roaming\aeehtuc, PE32 12->17 dropped 19 C:\Users\user\...\aeehtuc:Zone.Identifier, ASCII 12->19 dropped 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
Threat name:
Win32.Trojan.Smokeloader
Status:
Malicious
First seen:
2024-05-21 15:16:07 UTC
File Type:
PE (Exe)
Extracted files:
18
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Result
Malware family:
smokeloader
Score:
  10/10
Tags:
family:smokeloader backdoor trojan
Behaviour
Checks SCSI registry key(s)
Program crash
SmokeLoader
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
9c9df8669f1b07ec66e7b82ac97e188412f82ce549fb3552cca84413005fec9f
MD5 hash:
36da0a1d6f88800b96c2f4cf69ec79d0
SHA1 hash:
c1e5c01a230c35931d061caa87cfcf2fa19e933f
Detections:
SmokeLoaderStage2 win_smokeloader_a2
SH256 hash:
dbd741a45d840d06d708339f9e9824f2a0d745ea6537ca44bff233ba7441bfda
MD5 hash:
92c57dd80b764a028749520017d44e76
SHA1 hash:
f732220adaacf23de6cc69d964341766d2e350d9
Malware family:
SmokeLoader
Verdict:
Malicious
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:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:pe_no_import_table
Description:Detect pe file that no import table
Rule name:Windows_Trojan_Generic_2993e5a5
Author:Elastic Security

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 dbd741a45d840d06d708339f9e9824f2a0d745ea6537ca44bff233ba7441bfda

(this sample)

  
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_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::FindNextVolumeW
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetStartupInfoA
KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleOutputA
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::WriteConsoleA
KERNEL32.dll::SetConsoleScreenBufferSize
KERNEL32.dll::SetConsoleTitleA
KERNEL32.dll::SetStdHandle
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileA
WIN_SVC_APICan Manipulate Windows ServicesADVAPI32.dll::EnumDependentServicesW

Comments



Avatar
zbet commented on 2024-05-23 18:52:31 UTC

url : hxxp://45.84.0.173/download_22/server.exe