MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2d320ee3c680e6b5c2cbf5a781895dac33cf08190e3db8805dd9775ec4bd87d3. 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 File information Comments

SHA256 hash: 2d320ee3c680e6b5c2cbf5a781895dac33cf08190e3db8805dd9775ec4bd87d3
SHA3-384 hash: 7ac89fae42cdd4260a8b59f08803790db772f4476e6c0fb5debc8c9e418e8111ea946f4b71160bb0dac0fd739c12db43
SHA1 hash: 1d726d4ed85efb342065713c40f968f660029fe8
MD5 hash: 4d093da4d7c10d4b14a54f4793fee6ce
humanhash: uniform-ohio-undress-magnesium
File name:4d093da4d7c10d4b14a54f4793fee6ce.exe
Download: download sample
Signature Smoke Loader
File size:239'104 bytes
First seen:2021-10-20 06:20:42 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash bccd623d24733e79d86ebbd10fafc71a (3 x RedLineStealer, 1 x Smoke Loader, 1 x ArkeiStealer)
ssdeep 3072:4oaOnsFrYDMJtjY9vUy5VypSmlgikcCVyZS7g7CNfVXVHQLIiGv4tpc:kEsFrYDMOUfpS0qX7tNfVXVHQLIiu8c
Threatray 2'116 similar samples on MalwareBazaar
TLSH T1C7348C3172B0C471DAB51530C838CAE11569B8E9DA20F56733E8AF2E2DF129D46E735E
File icon (PE):PE icon
dhash icon fcfcb4d4d4d4d8c0 (70 x RedLineStealer, 59 x RaccoonStealer, 24 x Smoke Loader)
Reporter abuse_ch
Tags:Dofoil exe Smoke Loader

Intelligence


File Origin
# of uploads :
1
# of downloads :
281
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Clean
Maliciousness:

Behaviour
Launching the default Windows debugger (dwwin.exe)
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware mokes 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.
Malware family:
Malicious Packer
Verdict:
Malicious
Result
Threat name:
SERVHELPER SmokeLoader
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code references suspicious native API functions
Antivirus detection for URL or domain
Benign windows process drops PE files
Bypasses PowerShell execution policy
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 SERVHELPER
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
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
Queries memory information (via WMI often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Suspicious Csc.exe Source File Folder
Sigma detected: Suspicious Script Execution From Temp Folder
System process connects to network (likely due to code injection or exploit)
Yara detected Costura Assembly Loader
Yara detected SmokeLoader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 506116 Sample: S7wEThliJo.exe Startdate: 20/10/2021 Architecture: WINDOWS Score: 100 55 Multi AV Scanner detection for domain / URL 2->55 57 Found malware configuration 2->57 59 Antivirus detection for URL or domain 2->59 61 8 other signatures 2->61 10 S7wEThliJo.exe 2->10         started        13 whfdisb 2->13         started        process3 signatures4 73 Detected unpacking (changes PE section rights) 10->73 75 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 10->75 77 Maps a DLL or memory area into another process 10->77 79 Creates a thread in another existing process (thread injection) 10->79 15 explorer.exe 4 10->15 injected 81 Multi AV Scanner detection for dropped file 13->81 83 Machine Learning detection for dropped file 13->83 85 Checks if the current machine is a virtual machine (disk enumeration) 13->85 process5 dnsIp6 41 directorycart.com 211.59.14.90, 49758, 49811, 49821 SKB-ASSKBroadbandCoLtdKR Korea Republic of 15->41 43 188.34.163.98, 49813, 80 HETZNER-ASDE Germany 15->43 45 5 other IPs or domains 15->45 33 C:\Users\user\AppData\Roaming\whfdisb, PE32 15->33 dropped 35 C:\Users\user\AppData\Local\Temp\2EB9.exe, PE32+ 15->35 dropped 37 C:\Users\user\...\whfdisb:Zone.Identifier, ASCII 15->37 dropped 47 System process connects to network (likely due to code injection or exploit) 15->47 49 Benign windows process drops PE files 15->49 51 Deletes itself after installation 15->51 53 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->53 20 2EB9.exe 4 15->20         started        file7 signatures8 process9 signatures10 63 Multi AV Scanner detection for dropped file 20->63 65 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 20->65 67 Bypasses PowerShell execution policy 20->67 69 Queries memory information (via WMI often done to detect virtual machines) 20->69 23 powershell.exe 22 20->23         started        process11 signatures12 71 Detected SERVHELPER 23->71 26 csc.exe 23->26         started        29 conhost.exe 23->29         started        process13 file14 39 C:\Users\user\AppData\Local\...\puojqmim.dll, PE32 26->39 dropped 31 cvtres.exe 26->31         started        process15
Threat name:
Win32.Backdoor.Mokes
Status:
Malicious
First seen:
2021-10-19 23:38:32 UTC
AV detection:
22 of 44 (50.00%)
Threat level:
  5/5
Result
Malware family:
smokeloader
Score:
  10/10
Tags:
family:servhelper family:smokeloader backdoor discovery exploit persistence suricata trojan upx
Behaviour
Runs net.exe
Script User-Agent
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: LoadsDriver
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Checks SCSI registry key(s)
Modifies data under HKEY_USERS
Modifies registry key
Drops file in Program Files directory
Drops file in Windows directory
Drops file in System32 directory
Deletes itself
Loads dropped DLL
Modifies file permissions
Blocklisted process makes network request
Downloads MZ/PE file
Executes dropped EXE
Modifies RDP port number used by Windows
Possible privilege escalation attempt
Sets DLL path for service in the registry
UPX packed file
Grants admin privileges
ServHelper
SmokeLoader
suricata: ET MALWARE ServHelper CnC Inital Checkin
suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
Malware Config
C2 Extraction:
http://directorycart.com/upload/
http://tierzahnarzt.at/upload/
http://streetofcards.com/upload/
http://ycdfzd.com/upload/
http://successcoachceo.com/upload/
http://uhvu.cn/upload/
http://japanarticle.com/upload/
Dropper Extraction:
https://raw.githubusercontent.com/sqlitey/sqlite/master/speed.ps1
Unpacked files
SH256 hash:
dba8a86324bf04cc9cfd982456c1427340ab41900bee122a01f28b948654465d
MD5 hash:
e5453104d30224ac773e12cdb6aa2e35
SHA1 hash:
4eba4f3a85e3c627d8e06145abf9ca1b4983b128
SH256 hash:
2d320ee3c680e6b5c2cbf5a781895dac33cf08190e3db8805dd9775ec4bd87d3
MD5 hash:
4d093da4d7c10d4b14a54f4793fee6ce
SHA1 hash:
1d726d4ed85efb342065713c40f968f660029fe8
Malware family:
SmokeLoader
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


The table below shows additional information about this malware sample such as delivery method and external references.

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