MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cdcb92f83216720f2d567392a6a4d9bc1b90b3f900b783934a402d310ae5ff46. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments 1

SHA256 hash: cdcb92f83216720f2d567392a6a4d9bc1b90b3f900b783934a402d310ae5ff46
SHA3-384 hash: 4b2a8268ce061991ce2cc0ef1e212e89c3a92acd6d828f08e5e08d71beec3d1ec94e13c982850c8830ea101b11c9918a
SHA1 hash: e6517d816b254ab9b1a461c9e12ed27d0020ff53
MD5 hash: deb492d8cec8d6410ac3ddc659c5d503
humanhash: double-yellow-iowa-equal
File name:deb492d8cec8d6410ac3ddc659c5d503
Download: download sample
Signature Smoke Loader
File size:198'144 bytes
First seen:2022-03-02 19:31:39 UTC
Last seen:2022-03-02 21:58:22 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 1536:lBa8bArtYCXbSQcRAclDWz98JfkT7M9Q5Uy8:l7rCXbNcScsqJMS
Threatray 9'903 similar samples on MalwareBazaar
TLSH T1B11422EACB69C27DC5472770D4F0F5F08249ADACC1828E0B92647F2B73725862997C97
File icon (PE):PE icon
dhash icon ccb24d69554db2c4 (5 x Smoke Loader, 2 x AZORult, 1 x AgentTesla)
Reporter zbetcheckin
Tags:32 exe Smoke Loader

Intelligence


File Origin
# of uploads :
2
# of downloads :
216
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Running batch commands
DNS request
Sending an HTTP GET request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Result
Verdict:
UNKNOWN
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
.NET source code contains potential unpacker
Antivirus detection for URL or domain
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)
Encrypted powershell cmdline option found
Found malware configuration
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 dropped file
Multi AV Scanner detection for submitted file
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Yara detected SmokeLoader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 581960 Sample: gclWp2OFdb Startdate: 02/03/2022 Architecture: WINDOWS Score: 100 58 afrocalite.ga 2->58 60 exataweb.com.br 2->60 74 Found malware configuration 2->74 76 Malicious sample detected (through community Yara rule) 2->76 78 Antivirus detection for URL or domain 2->78 80 7 other signatures 2->80 12 gclWp2OFdb.exe 16 7 2->12         started        signatures3 process4 dnsIp5 62 exataweb.com.br 200.98.190.73, 49778, 49790, 49792 UniversoOnlineSABR Brazil 12->62 52 C:\Users\user\AppData\Roaming\...\Usneuv.exe, PE32 12->52 dropped 54 C:\Users\user\...\Usneuv.exe:Zone.Identifier, ASCII 12->54 dropped 56 C:\Users\user\AppData\...\gclWp2OFdb.exe.log, ASCII 12->56 dropped 88 Encrypted powershell cmdline option found 12->88 17 gclWp2OFdb.exe 12->17         started        20 powershell.exe 9 12->20         started        file6 signatures7 process8 signatures9 66 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 17->66 68 Maps a DLL or memory area into another process 17->68 70 Checks if the current machine is a virtual machine (disk enumeration) 17->70 72 Creates a thread in another existing process (thread injection) 17->72 22 explorer.exe 17->22 injected 24 cmd.exe 1 20->24         started        26 conhost.exe 20->26         started        process10 process11 28 Usneuv.exe 14 3 22->28         started        32 Usneuv.exe 1 22->32         started        34 timeout.exe 1 24->34         started        dnsIp12 64 exataweb.com.br 28->64 82 Multi AV Scanner detection for dropped file 28->82 84 Machine Learning detection for dropped file 28->84 86 Encrypted powershell cmdline option found 28->86 36 powershell.exe 28->36         started        38 powershell.exe 8 32->38         started        signatures13 process14 process15 40 cmd.exe 36->40         started        42 conhost.exe 36->42         started        44 cmd.exe 38->44         started        46 conhost.exe 38->46         started        process16 48 timeout.exe 1 40->48         started        50 timeout.exe 44->50         started       
Threat name:
ByteCode-MSIL.Downloader.Seraph
Status:
Malicious
First seen:
2022-03-02 07:11:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
18 of 28 (64.29%)
Threat level:
  3/5
Result
Malware family:
smokeloader
Score:
  10/10
Tags:
family:smokeloader backdoor collection persistence trojan
Behaviour
Checks SCSI registry key(s)
Checks processor information in registry
Delays execution with timeout.exe
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Checks computer location settings
Deletes itself
SmokeLoader
Suspicious use of NtCreateProcessExOtherParentProcess
Malware Config
C2 Extraction:
http://afrocalite.ga/
http://clasique.ga/
http://cretenom.ga/
Unpacked files
SH256 hash:
cdcb92f83216720f2d567392a6a4d9bc1b90b3f900b783934a402d310ae5ff46
MD5 hash:
deb492d8cec8d6410ac3ddc659c5d503
SHA1 hash:
e6517d816b254ab9b1a461c9e12ed27d0020ff53
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:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

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 cdcb92f83216720f2d567392a6a4d9bc1b90b3f900b783934a402d310ae5ff46

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-03-02 19:31:41 UTC

url : hxxp://192.210.218.119/466/vbc.exe