MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2fe8dd9df4b9740d580524591e85cf9f1f40dc4db0157c7ec4ff23a424338779. 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 3 File information Comments 1

SHA256 hash: 2fe8dd9df4b9740d580524591e85cf9f1f40dc4db0157c7ec4ff23a424338779
SHA3-384 hash: 80860117815ed9339f367dbff38adf7c554c617578a5c9eefb4ad52a3877501a3c809d9a861fadfd58a76ba8a59b420f
SHA1 hash: 44d390989c6eda758ae79f29b828eed29aafe9ea
MD5 hash: d8707a3f53ddef25bb5fdd57d30cbec9
humanhash: princess-venus-jersey-golf
File name:d8707a3f53ddef25bb5fdd57d30cbec9
Download: download sample
Signature Smoke Loader
File size:197'632 bytes
First seen:2023-10-02 09:19:54 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 7af6f3315c82464c60fc734ddad5dae4 (4 x Smoke Loader, 1 x Tofsee, 1 x MarsStealer)
ssdeep 3072:VeID6VhHhDpJrzKY91Bc9fHrDhqfvBDZqatU/CcO5mfovVi:ahBDpJrzLBc9AXVZq8U/tQVi
Threatray 4'886 similar samples on MalwareBazaar
TLSH T19C14D0603AF0FCB2E5AB44308575CAA06DBBB8725BB0854F3758162F5E712C1B76A317
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 0000a088a22129c0 (1 x Smoke Loader)
Reporter zbetcheckin
Tags:32 exe Smoke Loader

Intelligence


File Origin
# of uploads :
1
# of downloads :
305
Origin country :
FR FR
Vendor Threat Intelligence
Result
Verdict:
Clean
Maliciousness:
Gathering data
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware packed
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.
Malware family:
Malicious Packer
Verdict:
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
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:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1317819 Sample: uDtn1lMsJR.exe Startdate: 02/10/2023 Architecture: WINDOWS Score: 100 26 Multi AV Scanner detection for domain / URL 2->26 28 Found malware configuration 2->28 30 Malicious sample detected (through community Yara rule) 2->30 32 5 other signatures 2->32 6 uDtn1lMsJR.exe 2->6         started        9 irfvbtc 2->9         started        process3 signatures4 34 Detected unpacking (changes PE section rights) 6->34 36 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 6->36 38 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 6->38 46 2 other signatures 6->46 11 explorer.exe 2 9 6->11 injected 40 Multi AV Scanner detection for dropped file 9->40 42 Machine Learning detection for dropped file 9->42 44 Maps a DLL or memory area into another process 9->44 process5 dnsIp6 20 95.158.162.200, 49796, 80 VIDEOSATBG Bulgaria 11->20 22 186.182.55.44, 49798, 49804, 49807 TechtelLMDSComunicacionesInteractivasSAAR Argentina 11->22 24 7 other IPs or domains 11->24 16 C:\Users\user\AppData\Roaming\irfvbtc, PE32 11->16 dropped 18 C:\Users\user\...\irfvbtc:Zone.Identifier, ASCII 11->18 dropped 48 System process connects to network (likely due to code injection or exploit) 11->48 50 Benign windows process drops PE files 11->50 52 Deletes itself after installation 11->52 54 Hides that the sample has been downloaded from the Internet (zone.identifier) 11->54 file7 signatures8
Threat name:
Win32.Trojan.SmokeLoader
Status:
Malicious
First seen:
2023-10-02 09:20:05 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
18 of 23 (78.26%)
Threat level:
  5/5
Result
Malware family:
smokeloader
Score:
  10/10
Tags:
family:smokeloader botnet:pub2 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://gudintas.at/tmp/
http://pik96.ru/tmp/
http://rosatiauto.com/tmp/
http://kingpirate.ru/tmp/
Unpacked files
SH256 hash:
2fe8dd9df4b9740d580524591e85cf9f1f40dc4db0157c7ec4ff23a424338779
MD5 hash:
d8707a3f53ddef25bb5fdd57d30cbec9
SHA1 hash:
44d390989c6eda758ae79f29b828eed29aafe9ea
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:DebuggerHiding__Active
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SEH__vectored
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 2fe8dd9df4b9740d580524591e85cf9f1f40dc4db0157c7ec4ff23a424338779

(this sample)

Comments



Avatar
zbet commented on 2023-10-02 09:19:55 UTC

url : hxxps://dpecalgerie.com/tmp/index1.php