MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 661db4c325029f3b5e236d2812ff575e87419791b74af69621ff777de17de348. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 661db4c325029f3b5e236d2812ff575e87419791b74af69621ff777de17de348
SHA3-384 hash: 6979d2348a43107324e2b789965aad0b440a714063f7b0b9a6a62398bf23f71be7653e71d1667ff357bc2e3d6d19d9e3
SHA1 hash: 769a1ca9dc76646b6b8b2237ad0e0823ddb8844f
MD5 hash: b0f432c49c7c5b721c21ce5da0aa95ad
humanhash: mobile-tennis-high-twenty
File name:b0f432c49c7c5b721c21ce5da0aa95ad.exe
Download: download sample
Signature Smoke Loader
Create hunting rule
File size:186'880 bytes
First seen:2022-05-10 10:39:31 UTC
Last seen:2022-05-10 11:50:52 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 768:mxiJxxXcc3PZR8v3byDFlDWUFuWj+98D5beukQA7M9/qFZR1hEgtqy5:zccxRAclDWz98JfkT7M9Q5Uy5
Threatray 310 similar samples on MalwareBazaar
TLSH T17D0400EACB69C27DC5472770D4F0F5F08249ADACC1818E0B92647F2B73B25862997C97
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon ccb24d69554db2c4 (5 x Smoke Loader, 2 x AZORult, 1 x AgentTesla)
Reporter abuse_ch
Tags:Dofoil exe Smoke Loader


Avatar
abuse_ch
Smoke Loader payload URL:
http://www.sarahburrell.info/ndxzstudio/helper/Udmmwx_Bcpaluhf.jpg

Smoke Loader C2:
http://afrocalite.ga/

Intelligence

File Origin
# of uploads :
2
# of downloads :
409
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b0f432c49c7c5b721c21ce5da0aa95ad.exe
Verdict:
Suspicious activity
Analysis date:
2022-05-10 23:08:53 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/f7c4f305-6b3d-4d30-91a0-71a26b1b3fb6

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.50271279.2885.28835.UNOFFICIAL
Create hunting rule

Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
DNS request
Sending an HTTP GET request
Running batch commands
Creating a process with a hidden window
Launching a process
Using the Windows Management Instrumentation requests
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/627a413eb119a5f609b70ae6/reports/459ec7c7-d742-4dda-a504-8ec107d28ca2/overview
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/16174126-ba5c-41e5-8111-2da4c634d15a
Result
Threat name:
SmokeLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/990868
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)
Found malware configuration
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
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected SmokeLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 623369 Sample: 22WYZdJbw5.exe Startdate: 10/05/2022 Architecture: WINDOWS Score: 100 63 Snort IDS alert for network traffic 2->63 65 Multi AV Scanner detection for domain / URL 2->65 67 Found malware configuration 2->67 69 7 other signatures 2->69 10 22WYZdJbw5.exe 16 7 2->10         started        15 Tgiaas.exe 14 3 2->15         started        process3 dnsIp4 51 sarahburrell.info 160.153.78.2, 49742, 49794, 49797 AS-26496-GO-DADDY-COM-LLCUS United States 10->51 53 www.sarahburrell.info 10->53 43 C:\Users\user\AppData\Roaming\...\Tgiaas.exe, PE32 10->43 dropped 45 C:\Users\user\AppData\...\22WYZdJbw5.exe.log, ASCII 10->45 dropped 71 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 10->71 17 InstallUtil.exe 10->17         started        20 cmd.exe 1 10->20         started        55 www.sarahburrell.info 15->55 73 Multi AV Scanner detection for dropped file 15->73 22 cmd.exe 1 15->22         started        file5 signatures6 process7 signatures8 57 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 17->57 59 Maps a DLL or memory area into another process 17->59 61 Checks if the current machine is a virtual machine (disk enumeration) 17->61 24 explorer.exe 17->24 injected 26 conhost.exe 20->26         started        28 timeout.exe 1 20->28         started        30 conhost.exe 22->30         started        32 timeout.exe 1 22->32         started        process9 process10 34 Tgiaas.exe 3 24->34         started        dnsIp11 47 www.sarahburrell.info 34->47 49 sarahburrell.info 34->49 37 cmd.exe 1 34->37         started        process12 process13 39 conhost.exe 37->39         started        41 timeout.exe 1 37->41         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/661db4c325029f3b5e236d2812ff575e87419791b74af69621ff777de17de348/
Threat name:
ByteCode-MSIL.Backdoor.NanoBot
Create hunting rule
Status:
Malicious
First seen:
2022-05-10 02:30:37 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=myo3jqzfakptwxrdnuubf72xl2dudf4rw5fpnfrb753x3yl54nea._file
Verdict:
malicious
Similar samples:
31b57c8bdc8e2a57aab3585b53904eb130fe155c96f095951eccec5a02a6451d
Smoke Loader
31d0c756511a92e103d90c39fe935fc3f05bcd877de79cdf3a65ca008d91dfdf
Smoke Loader
394414a236f4da7d2d4ca7ddc7427d1da341789b18312b292d34dd683dc43007
Smoke Loader
4114fe792f648868955f39ae7ba221c830169f3a871a4ead39776a88732ef9cf
Smoke Loader
b206c2d164d66dcd9fad4cffdcb28d73eb64d2f663f1de6fb90cc10b47665c41
Smoke Loader
b78667f1cef6431d75363f045981883b31b0e10925b4218b392c3fa5f044735e
Smoke Loader
d952e6902baf966ee83e4036999827263a7132ca1dde7f4eab1797f9fbb75051
Smoke Loader
ee1c5cb3398bc74f8b8be8cc13916404e1258d2eb7c2336d3e65677eec4f1cb0
Smoke Loader
+ 300 additional samples on MalwareBazaar
Result
Malware family:
smokeloader
Create hunting rule
Score:
  10/10
Tags:
family:smokeloader backdoor persistence trojan
Link:
https://tria.ge/reports/220510-mqh9cabcej/
Behaviour
Checks SCSI registry key(s)
Delays execution with timeout.exe
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
SmokeLoader
Malware Config
C2 Extraction:
http://afrocalite.ga/
http://clasique.ga/
http://cretenom.ga/
Unpacked files
SH256 hash:
661db4c325029f3b5e236d2812ff575e87419791b74af69621ff777de17de348
MD5 hash:
b0f432c49c7c5b721c21ce5da0aa95ad
SHA1 hash:
769a1ca9dc76646b6b8b2237ad0e0823ddb8844f
Link:
https://www.unpac.me/results/22aecc52-974e-4d72-aef8-19dcd4e7a9d3/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/661db4c325029f3b5e236d2812ff575e87419791b74af69621ff777de17de348

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
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
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 661db4c325029f3b5e236d2812ff575e87419791b74af69621ff777de17de348

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2188270/
  
URLhaus
https://urlhaus.abuse.ch/url/2189356/
  
Delivery method
Distributed via web download

Comments