MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6f6b1424cc2e428a51edd10920d1defbf31b47976c6f55f1663e95e45d5b9c91. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6f6b1424cc2e428a51edd10920d1defbf31b47976c6f55f1663e95e45d5b9c91
SHA3-384 hash: 4e7dd9b16dbdfc1a460e39d506b8d0cd3b2305038530ca05521f190e8ac2dd24fc538ab4daa67a0eacdc87a7eb65988c
SHA1 hash: e8feba37a699b372daa4d2beeed9caeab8af4147
MD5 hash: 76b71b28ea416ad016d8a07c6666c7da
humanhash: california-pizza-november-carpet
File name:76b71b28ea416ad016d8a07c6666c7da.exe
Download: download sample
Signature Smoke Loader
Create hunting rule
File size:592'896 bytes
First seen:2023-03-22 19:10:39 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:Dhpo/cdjHmdTsj41i9eV/48jP7XpXgNGSD7QKN0W:Dhpo/cNHUYj41i958nXpXMMu
Threatray 5'824 similar samples on MalwareBazaar
TLSH T139C4073D6DA44E21F439D678CAD0E063A2509FE76BA28B1797D33E487E0185378CE06D
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter abuse_ch
Tags:exe Smoke Loader

Intelligence

File Origin
# of uploads :
1
# of downloads :
226
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
smoke
Create hunting rule
ID:
1
File name:
76b71b28ea416ad016d8a07c6666c7da.exe
Verdict:
Malicious activity
Analysis date:
2023-03-22 19:26:15 UTC
Tags:
loader smoke trojan
Link:
https://app.any.run/tasks/b28f8c5c-02fe-4a94-aecb-e6485964fe1c

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/376632/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Searching for synchronization primitives
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/641b52c8b236355850d76fd2/reports/66878912-9cbf-48ec-ba72-e5a4298f5e70/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/6f6b1424cc2e428a51edd10920d1defbf31b47976c6f55f1663e95e45d5b9c91
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/6cb9384f-1b5b-4e1f-8962-bfd37793d56c
Result
Threat name:
SmokeLoader
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1199824
Signature
.NET source code contains potential unpacker
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
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Injects code into the Windows Explorer (explorer.exe)
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
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 harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected SmokeLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 832743 Sample: YnBFpwu2Z4.exe Startdate: 22/03/2023 Architecture: WINDOWS Score: 100 45 Malicious sample detected (through community Yara rule) 2->45 47 Antivirus detection for URL or domain 2->47 49 Multi AV Scanner detection for submitted file 2->49 51 6 other signatures 2->51 8 YnBFpwu2Z4.exe 3 2->8         started        12 fghevvc 3 2->12         started        process3 file4 33 C:\Users\user\AppData\...\YnBFpwu2Z4.exe.log, ASCII 8->33 dropped 53 Injects a PE file into a foreign processes 8->53 14 YnBFpwu2Z4.exe 8->14         started        17 YnBFpwu2Z4.exe 8->17         started        55 Multi AV Scanner detection for dropped file 12->55 57 Machine Learning detection for dropped file 12->57 19 fghevvc 12->19         started        21 fghevvc 12->21         started        signatures5 process6 signatures7 73 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 14->73 75 Maps a DLL or memory area into another process 14->75 77 Checks if the current machine is a virtual machine (disk enumeration) 14->77 23 explorer.exe 1 4 14->23 injected 79 Creates a thread in another existing process (thread injection) 19->79 process8 dnsIp9 39 akmedia.in 192.185.150.20, 49738, 80 UNIFIEDLAYER-AS-1US United States 23->39 41 bethesdaserukam.org 103.119.228.124, 49741, 49745, 80 IDNIC-CLOUD-INDO-AS-IDPTMITRAVISIONERPRATAMAID Indonesia 23->41 43 192.168.2.1 unknown unknown 23->43 35 C:\Users\user\AppData\Roaming\fghevvc, PE32 23->35 dropped 37 C:\Users\user\...\fghevvc:Zone.Identifier, ASCII 23->37 dropped 59 System process connects to network (likely due to code injection or exploit) 23->59 61 Benign windows process drops PE files 23->61 63 Injects code into the Windows Explorer (explorer.exe) 23->63 65 3 other signatures 23->65 28 explorer.exe 20 23->28         started        31 explorer.exe 23->31         started        file10 signatures11 process12 signatures13 67 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 28->67 69 Tries to steal Mail credentials (via file / registry access) 28->69 71 Tries to harvest and steal browser information (history, passwords, etc) 28->71
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6f6b1424cc2e428a51edd10920d1defbf31b47976c6f55f1663e95e45d5b9c91/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-03-22 08:47:36 UTC
File Type:
PE (.Net Exe)
Extracted files:
30
AV detection:
16 of 23 (69.57%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=n5vrijgmfzbiuupn2eesbuo67pzrwr4xnrxvl4lgh2k6ixk3tsiq._file
Verdict:
malicious
Similar samples:
22d7e40c7ecc7fabf7f7b562e2d476dd0697e0f0482ce646de7771b44c29b1e9
Smoke Loader
2d9311e19acadef4104d5e336f0f69156358bc8ad5dedac7432e60116b638a9d
Smoke Loader
4c94ced8bc0b5686daaa87c648fbbf99f5d14cf24befd3a203138505901db038
Smoke Loader
572ec19886610c8095c79149cd6868df458f37e3dca298eb1299d6848559bf19
Smoke Loader
7b3eed5a83ba7d77cf91e87d1d200d0211fa8e3c9eaa557996ba9487023b28d3
Smoke Loader
8807e165003544956853bd7362822a3d9fabe16c313d5c65ca2126ef73b89dc3
Smoke Loader
cecaa5c6af9506927a29ec08ee59d12213f1396711b1a839f4bec5eb25dd6c2c
Smoke Loader
d5202e8a72bb3eb70009068ff5d84a9babc1d99ce62f8d402db1d70903b972cd
Smoke Loader
e72ba123ab2230b92c80767c89f37989b3e342b6afb61d638c4ae92192cb744f
Smoke Loader
e85fbaeccdeb53b3873a8b4d46b73749e475bfb3eac196147dc1679dba2b76a0
Smoke Loader
+ 5'814 additional samples on MalwareBazaar
Result
Malware family:
smokeloader
Create hunting rule
Score:
  10/10
Tags:
family:smokeloader botnet:swo backdoor trojan
Link:
https://tria.ge/reports/230322-xvxyeaag88/
Behaviour
Checks SCSI registry key(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Program crash
Suspicious use of SetThreadContext
SmokeLoader
Malware Config
C2 Extraction:
http://akmedia.in/js/k/index.php
http://bethesdaserukam.org/setting/k/index.php
http://stemschools.in/js/k/index.php
http://dejarestaurant.com/wp-admin/js/k/index.php
http://moabscript.ir/wp-admin/js/k/index.php
http://nicehybridseeds.com/image/catalog/k/index.php
http://imaker.io/picktail/js/k/index.php
http://nanavatisworld.com/assets/js/k/index.php
http://smartbubox.com/img/k/index.php
http://krigenpharmaceuticals.com/js/k/index.php
Unpacked files
SH256 hash:
dff5fe5935286fda813fa59d8d97d2202bdbca6ec17294a7771c2064d55873ef
MD5 hash:
65b2b9d1eef07782736f3e36a1f35edf
SHA1 hash:
c5cc469eae604be58808f439d48fb244d5366c36
Link:
https://www.unpac.me/results/acd27394-e1b6-4dbf-89d5-86ca21e5cc6f/
SH256 hash:
178ab956fb83905d73e4fb54336f9107498187a12c54fd2d7766f55b0c46d728
MD5 hash:
fba334f18769ad21a6de7cac24a22059
SHA1 hash:
a34d5ce5b60356666213c6a2aa727e393d76a188
Detections:
SmokeLoaderStage2
Create hunting rule
win_smokeloader_a2
Create hunting rule
Link:
https://www.unpac.me/results/acd27394-e1b6-4dbf-89d5-86ca21e5cc6f/
Parent samples :
cecaa5c6af9506927a29ec08ee59d12213f1396711b1a839f4bec5eb25dd6c2c
acb3694eed3ff5d171c272be0e30fb9efe6454b83ee523a33a8e64b89e0e2177
999ae9856f3df7405d491edac3bdac882351623f63586472336957bc379285d6
d5202e8a72bb3eb70009068ff5d84a9babc1d99ce62f8d402db1d70903b972cd
8fed65cfe66b630bcf70af9d1cbaaf79989d6787f1bd045e250511f8af33fb35
2d9311e19acadef4104d5e336f0f69156358bc8ad5dedac7432e60116b638a9d
8807e165003544956853bd7362822a3d9fabe16c313d5c65ca2126ef73b89dc3
6f6b1424cc2e428a51edd10920d1defbf31b47976c6f55f1663e95e45d5b9c91
50ae1cc086fc3faeeb453c5923097b9328b63bbe19ed9f9c226bbb1b49a1917d
7a07dcc4ffcebbc11c2120d8fe342565e0dcbb11d76bbf43b1f0c7f04ee8fe91
917a2d9bfedad8aea9026f4c980573d7dd621b7f547c828a49b5c46c4ab369c6
ca747dce51bbf9ebd7076df13879ebb2a33bdc2a0d67d00866e5d439b67202e5
4c9367e9e7fa7992c5aad7d16ac8f4f8c8cc8eb7478881cfaa0acfd3f39a2a52
c35ada94ae787a3ebd289a8cdf9bda34ba7c18ab14dd8335ee373ac96befb24c
4c0241cc1e92aa8ca713ae65cd6b86eb29cacbad2f0799068361eaa3f1dec75a
b5f14840be71dfc7f39039d88969a0c73efcacf541aeca115814958373ce5a2d
SH256 hash:
ea8d4c91ec5bba5e1db6c17730d7ba5cdbb5ff3c1a777f70c90e91ce599d9b5d
MD5 hash:
27f5124bf8f451bca8d8a15c73c4f521
SHA1 hash:
5fd557e109b8fd1c3b362b64f0ba9f1600c07211
Link:
https://www.unpac.me/results/acd27394-e1b6-4dbf-89d5-86ca21e5cc6f/
SH256 hash:
6f6b1424cc2e428a51edd10920d1defbf31b47976c6f55f1663e95e45d5b9c91
MD5 hash:
76b71b28ea416ad016d8a07c6666c7da
SHA1 hash:
e8feba37a699b372daa4d2beeed9caeab8af4147
Link:
https://www.unpac.me/results/acd27394-e1b6-4dbf-89d5-86ca21e5cc6f/
Malware family:
SmokeLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/6f6b1424cc2e/report/overview.html
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
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 6f6b1424cc2e428a51edd10920d1defbf31b47976c6f55f1663e95e45d5b9c91

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2536804/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/376632/

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