MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9a528b2b31d9d59018878fdf3b9d8db235df606500c67a4b8be3075701b014fc. 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: 13


Intelligence 13 IOCs YARA 1 File information Comments 1

SHA256 hash: 9a528b2b31d9d59018878fdf3b9d8db235df606500c67a4b8be3075701b014fc
SHA3-384 hash: 226291bc53368bde9f6dd9253e8a94f1eafbf80c731de70e6bf9dab0cdb4761c76d5b0dd6a039585bcfba2137e459a51
SHA1 hash: 6cb6265721b373df555f0cdbba93dcb7e622344f
MD5 hash: 65c7d9e822c9f2b8291202128644e825
humanhash: sierra-green-blue-idaho
File name:65c7d9e822c9f2b8291202128644e825
Download: download sample
Signature Smoke Loader
File size:207'872 bytes
First seen:2023-10-05 09:10:31 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 1e2f614c1813ff4e3f2f3e784182dbac (3 x Smoke Loader, 3 x Stealc, 2 x Tofsee)
ssdeep 3072:FRUUZ+SZlT/s9GnCv315iP0K4qOpvmbUGzrhdLKO5p/Vr:lZ5l/son0152EgXHh9FV
Threatray 2'162 similar samples on MalwareBazaar
TLSH T1BC14C0217AF1C072E2A745358930DA60AE7BF8625BA4844F3704DA3E6E307D1DB76717
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) (4505/5/1)
File icon (PE):PE icon
dhash icon 0008080804020200 (1 x Smoke Loader)
Reporter zbetcheckin
Tags:32 exe Smoke Loader

Intelligence


File Origin
# of uploads :
1
# of downloads :
294
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
1.Рахунок_до_акту_НП-010140544_вiд_30.09.2023_01102023223751.XLS.js
Verdict:
Malicious activity
Analysis date:
2023-10-05 17:05:21 UTC
Tags:
opendir loader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Clean
Maliciousness:
Gathering data
Gathering data
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.
Result
Threat name:
SmokeLoader
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
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)
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
Snort IDS alert for network traffic
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 resolve many domain names, but no domain seems valid
Yara detected SmokeLoader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1320086 Sample: JIGrNeby8e.exe Startdate: 05/10/2023 Architecture: WINDOWS Score: 100 23 zasadacafe.by 2->23 25 zakrylki809.ru 2->25 27 17 other IPs or domains 2->27 43 Snort IDS alert for network traffic 2->43 45 Multi AV Scanner detection for domain / URL 2->45 47 Found malware configuration 2->47 51 6 other signatures 2->51 7 JIGrNeby8e.exe 2->7         started        10 vsittdw 2->10         started        12 SkypeApp.exe 2->12         started        signatures3 49 Tries to resolve many domain names, but no domain seems valid 25->49 process4 signatures5 53 Detected unpacking (changes PE section rights) 7->53 55 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->55 57 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 7->57 65 2 other signatures 7->65 14 explorer.exe 7 3 7->14 injected 59 Multi AV Scanner detection for dropped file 10->59 61 Machine Learning detection for dropped file 10->61 63 Maps a DLL or memory area into another process 10->63 process6 dnsIp7 29 dublebomber.ru 85.143.172.45, 49693, 49694, 49695 TRADERSOFTRU Russian Federation 14->29 31 popuasyfromua.ru 194.58.112.174, 49696, 49700, 49704 AS-REGRU Russian Federation 14->31 33 204.79.197.203, 443 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 14->33 19 C:\Users\user\AppData\Roaming\vsittdw, PE32 14->19 dropped 21 C:\Users\user\...\vsittdw:Zone.Identifier, ASCII 14->21 dropped 35 System process connects to network (likely due to code injection or exploit) 14->35 37 Benign windows process drops PE files 14->37 39 Deletes itself after installation 14->39 41 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->41 file8 signatures9
Threat name:
Win32.Trojan.SmokeLoader
Status:
Malicious
First seen:
2023-10-05 09:11:06 UTC
File Type:
PE (Exe)
Extracted files:
10
AV detection:
29 of 38 (76.32%)
Threat level:
  5/5
Result
Malware family:
smokeloader
Score:
  10/10
Tags:
family:smokeloader backdoor trojan
Behaviour
Checks SCSI registry key(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of UnmapMainImage
Uses Task Scheduler COM API
Deletes itself
SmokeLoader
Malware Config
C2 Extraction:
http://dublebomber.ru/
http://yavasponimayu.ru/
http://nomnetozhedenyuzhkanuzhna.ru/
http://prostosmeritesya.ru/
http://ipoluchayteudovolstvie.ru/
http://super777bomba.ru/
http://specnaznachenie.ru/
http://zakrylki809.ru/
http://propertyminsk.by/
http://iloveua.ir/
http://moyabelorussiya.by/
http://tvoyaradostetoya.ru/
http://zasadacafe.by/
http://restmantra.by/
http://kozachok777.ru/
http://propertyiran.ir/
http://sakentoshi.ru/
http://popuasyfromua.ru/
http://diplombar.by/
Unpacked files
SH256 hash:
9a528b2b31d9d59018878fdf3b9d8db235df606500c67a4b8be3075701b014fc
MD5 hash:
65c7d9e822c9f2b8291202128644e825
SHA1 hash:
6cb6265721b373df555f0cdbba93dcb7e622344f
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

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 9a528b2b31d9d59018878fdf3b9d8db235df606500c67a4b8be3075701b014fc

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2023-10-05 09:10:33 UTC

url : hxxp://sakentoshi.ru/download/mstsc.exe