MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 61b6d3b5f0d62b5ae6d2f20b4965acb9c95eb9d88b01adb83aea58f03736d078. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 61b6d3b5f0d62b5ae6d2f20b4965acb9c95eb9d88b01adb83aea58f03736d078
SHA3-384 hash: 70a09a5a62ad1be549ccab99af8117f4494fa38e74e8d6e3320e1881e16c0bc90fd5d82b2e5a1a093b92810549226b59
SHA1 hash: 2f9c456dd34708400903a07051a003609ecde19f
MD5 hash: 8b7cf90dc98754bb111e33c4c4836e90
humanhash: undress-white-jersey-speaker
File name:file
Download: download sample
Signature Smoke Loader
Create hunting rule
File size:183'296 bytes
First seen:2023-04-27 14:47:35 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'611 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 3072:IRwSAb5oUQ4BIc8gbggFGqW9BZIJNKDBWiSLfGBj8T8PIZ7i6hr/rMF:v76UlBz8gbgg4qWez4WiS7Gajl
Threatray 25 similar samples on MalwareBazaar
TLSH T16504FA027BDA4663E2FA9FBA9CF111805FF8A706A509EF7D545510FC84A3B088947F27
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)
File icon (PE):PE icon
dhash icon b26961b612f9e8a2 (3 x Smoke Loader)
Reporter jstrosch
Tags:.NET exe MSIL Smoke Loader

Intelligence

File Origin
# of uploads :
1
# of downloads :
351
Origin country :
US US
Vendor Threat Intelligence
Malware family:
smoke
Create hunting rule
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-04-27 14:50:54 UTC
Tags:
loader smoke trojan stealer
Link:
https://app.any.run/tasks/a8785c8b-87ec-431f-b732-71a122c6d415

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/385213/
Detection(s):
SecuriteInfo.com.Variant.MSILHeracles.79234.23759.3558.UNOFFICIAL
Create hunting rule

Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Launching a process
Creating a process with a hidden window
Unauthorized injection to a recently created process
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
hacktool packed
Link:
https://www.filescan.io/uploads/644a8b27eabaad23dca11ead/reports/11366ce1-f0c7-414a-af7e-96c4ce132892/overview
Verdict:
Malicious
Labled as:
Downloader.MSIL.gen
Link:
https://www.hybrid-analysis.com/sample/61b6d3b5f0d62b5ae6d2f20b4965acb9c95eb9d88b01adb83aea58f03736d078
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:
Unknown
Link:
https://analyze.intezer.com/analyses/74980627-c39a-4c37-a6a2-f801f718352e
Result
Threat name:
SmokeLoader
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1222249
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
Encrypted powershell cmdline option found
Found malware configuration
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 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 SmokeLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 855202 Sample: file.exe Startdate: 27/04/2023 Architecture: WINDOWS Score: 100 52 Found malware configuration 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 Antivirus detection for URL or domain 2->56 58 5 other signatures 2->58 8 file.exe 15 4 2->8         started        13 gtjvvef 14 3 2->13         started        process3 dnsIp4 48 toraxgold.com 198.46.173.139, 443, 49695, 49698 AS-COLOCROSSINGUS United States 8->48 44 C:\Users\user\AppData\Local\...\file.exe.log, ASCII 8->44 dropped 68 Encrypted powershell cmdline option found 8->68 70 Injects a PE file into a foreign processes 8->70 15 file.exe 8->15         started        18 powershell.exe 16 8->18         started        50 192.168.2.1 unknown unknown 13->50 72 Multi AV Scanner detection for dropped file 13->72 74 Machine Learning detection for dropped file 13->74 20 powershell.exe 13->20         started        file5 signatures6 process7 signatures8 76 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 15->76 78 Maps a DLL or memory area into another process 15->78 80 Checks if the current machine is a virtual machine (disk enumeration) 15->80 82 Creates a thread in another existing process (thread injection) 15->82 22 explorer.exe 4 15->22 injected 27 conhost.exe 18->27         started        29 conhost.exe 20->29         started        process9 dnsIp10 46 dropbuyinc.ga 176.124.223.245, 49697, 80 GULFSTREAMUA Russian Federation 22->46 40 C:\Users\user\AppData\Roaming\gtjvvef, PE32 22->40 dropped 42 C:\Users\user\...\gtjvvef:Zone.Identifier, ASCII 22->42 dropped 60 System process connects to network (likely due to code injection or exploit) 22->60 62 Benign windows process drops PE files 22->62 64 Injects code into the Windows Explorer (explorer.exe) 22->64 66 3 other signatures 22->66 31 explorer.exe 6 22->31         started        34 explorer.exe 22->34         started        36 explorer.exe 22->36         started        38 6 other processes 22->38 file11 signatures12 process13 signatures14 84 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 31->84 86 Tries to steal Mail credentials (via file / registry access) 31->86 88 Tries to harvest and steal browser information (history, passwords, etc) 31->88
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/61b6d3b5f0d62b5ae6d2f20b4965acb9c95eb9d88b01adb83aea58f03736d078/
Threat name:
ByteCode-MSIL.Trojan.Heracles
Create hunting rule
Status:
Malicious
First seen:
2023-04-27 14:48:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mg3nhnpq2yvvvzws6ifusznmxhev5ooyrma23ob25jmpanzw2b4a._file
Verdict:
malicious
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Smoke Loader
+ 15 additional samples on MalwareBazaar
Result
Malware family:
smokeloader
Create hunting rule
Score:
  10/10
Tags:
family:smokeloader backdoor collection trojan
Link:
https://tria.ge/reports/230427-r6e9vagb73/
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
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Checks computer location settings
Executes dropped EXE
SmokeLoader
Malware Config
C2 Extraction:
http://dropbuyinc.ga/
http://omacrestinc.ga/
Unpacked files
SH256 hash:
61b6d3b5f0d62b5ae6d2f20b4965acb9c95eb9d88b01adb83aea58f03736d078
MD5 hash:
8b7cf90dc98754bb111e33c4c4836e90
SHA1 hash:
2f9c456dd34708400903a07051a003609ecde19f
Detections:
PureCrypter_Stage1
Create hunting rule
Link:
https://www.unpac.me/results/d8054e21-bd0b-49eb-a2e4-6a00d63a3209/
Malware family:
SmokeLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/61b6d3b5f0d6/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.55
Link:
https://yomi.yoroi.company/submissions/61b6d3b5f0d62b5ae6d2f20b4965acb9c95eb9d88b01adb83aea58f03736d078

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 61b6d3b5f0d62b5ae6d2f20b4965acb9c95eb9d88b01adb83aea58f03736d078

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/385213/

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