MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1ca395ae7b898456236cb371773e6ee001faf58ba04d0dc1ef7728c21ee251c8. 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: 1ca395ae7b898456236cb371773e6ee001faf58ba04d0dc1ef7728c21ee251c8
SHA3-384 hash: 545ec3646b43c9322e5d6b5ccf8edfb56dba2c5b70563005760b84a162e277eee9d07b26b84275e6f99c3090c648752f
SHA1 hash: aaa5318d38855215db13f51f81677a79a4d84c09
MD5 hash: 2618497e0fc979e8d30a9c143e529c3a
humanhash: one-florida-one-blossom
File name:file
Download: download sample
Signature Smoke Loader
Create hunting rule
File size:195'584 bytes
First seen:2023-04-26 15:55:36 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 3072:ZA4Hn/i3d7i6qxuzKfq6ASoR/DlBJnt0d8PIZNrD4:z63d7Zuu+fq6QR/x2
Threatray 4'287 similar samples on MalwareBazaar
TLSH T10D14FA1C5BEB793EE2FB47BEEC511548CA7DB915980BFB6A00D018C94D663A84C43E93
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 :
334
Origin country :
US US
Vendor Threat Intelligence
Malware family:
smoke
Create hunting rule
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-04-26 15:59:22 UTC
Tags:
loader smoke trojan stealer rat agenttesla opendir
Link:
https://app.any.run/tasks/f313efd2-dd72-477f-aa28-670b0067335d

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/385096/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.19739.13596.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Sending an HTTP GET request
Launching a process
Creating a process with a hidden window
Sending a custom TCP request
Creating a file
Searching for synchronization primitives
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
hacktool packed
Link:
https://www.filescan.io/uploads/644949998615b5d32a5344f9/reports/c178e37a-5414-4f4f-b429-2ff061a02170/overview
Verdict:
Malicious
Labled as:
Downloader.MSIL.gen
Link:
https://www.hybrid-analysis.com/sample/1ca395ae7b898456236cb371773e6ee001faf58ba04d0dc1ef7728c21ee251c8
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.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/06bdbf52-81c7-4e47-81f1-6a56bd6f1552
Result
Threat name:
SmokeLoader
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1221691
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)
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
Snort IDS alert for network traffic
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: 854640 Sample: file.exe Startdate: 26/04/2023 Architecture: WINDOWS Score: 100 77 Snort IDS alert for network traffic 2->77 79 Found malware configuration 2->79 81 Malicious sample detected (through community Yara rule) 2->81 83 5 other signatures 2->83 10 file.exe 15 4 2->10         started        15 ssrgeii 4 2->15         started        17 ssrgeii 2->17         started        process3 dnsIp4 61 kiewcustombuilders.com 34.122.231.142, 49707, 80 GOOGLEUS United States 10->61 63 192.168.2.1 unknown unknown 10->63 51 C:\Users\user\AppData\Local\...\file.exe.log, ASCII 10->51 dropped 105 Encrypted powershell cmdline option found 10->105 107 Writes to foreign memory regions 10->107 109 Injects a PE file into a foreign processes 10->109 19 InstallUtil.exe 10->19         started        22 powershell.exe 16 10->22         started        24 InstallUtil.exe 10->24         started        26 conhost.exe 15->26         started        28 conhost.exe 17->28         started        file5 signatures6 process7 signatures8 85 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 19->85 87 Maps a DLL or memory area into another process 19->87 89 Checks if the current machine is a virtual machine (disk enumeration) 19->89 91 Creates a thread in another existing process (thread injection) 19->91 30 explorer.exe 4 6 19->30 injected 35 conhost.exe 22->35         started        process9 dnsIp10 65 alpatrik.com 185.251.88.110, 49709, 49710, 49711 SPRINTHOSTRU Russian Federation 30->65 67 cletonmy.com 172.105.103.207, 49708, 80 LINODE-APLinodeLLCUS United States 30->67 53 C:\Users\user\AppData\Roaming\ssrgeii, PE32 30->53 dropped 55 C:\Users\user\AppData\Local\Temp\A078.exe, PE32 30->55 dropped 69 System process connects to network (likely due to code injection or exploit) 30->69 71 Benign windows process drops PE files 30->71 73 Injects code into the Windows Explorer (explorer.exe) 30->73 75 2 other signatures 30->75 37 explorer.exe 6 30->37         started        41 A078.exe 14 3 30->41         started        43 explorer.exe 30->43         started        45 4 other processes 30->45 file11 signatures12 process13 dnsIp14 57 alpatrik.com 37->57 93 System process connects to network (likely due to code injection or exploit) 37->93 95 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 37->95 97 Tries to steal Mail credentials (via file / registry access) 37->97 99 Tries to harvest and steal browser information (history, passwords, etc) 37->99 59 toraxgold.com 198.46.173.139, 443, 49712 AS-COLOCROSSINGUS United States 41->59 101 Machine Learning detection for dropped file 41->101 103 Encrypted powershell cmdline option found 41->103 47 powershell.exe 41->47         started        signatures15 process16 process17 49 conhost.exe 47->49         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1ca395ae7b898456236cb371773e6ee001faf58ba04d0dc1ef7728c21ee251c8/
Threat name:
ByteCode-MSIL.Backdoor.Androm
Create hunting rule
Status:
Malicious
First seen:
2023-04-26 15:56:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=dsrzllt3rgcfmi3mwnyxopto4aa7v5mlubgq3qppo4umehxckhea._file
Verdict:
malicious
Similar samples:
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8707dee63402e3a8dbf8b494caed17ea5632e07084837cd85823144a51ed7d0a
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9756d646cb166f9726e6f2ddcaaca9dd5d73cb1c5df38b40f8b86b94d265389c
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Smoke Loader
+ 4'277 additional samples on MalwareBazaar
Result
Malware family:
smokeloader
Create hunting rule
Score:
  10/10
Tags:
family:smokeloader backdoor trojan
Link:
https://tria.ge/reports/230426-tdcpcsad22/
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
SmokeLoader
Malware Config
C2 Extraction:
http://cletonmy.com/
http://alpatrik.com/
Unpacked files
SH256 hash:
1ca395ae7b898456236cb371773e6ee001faf58ba04d0dc1ef7728c21ee251c8
MD5 hash:
2618497e0fc979e8d30a9c143e529c3a
SHA1 hash:
aaa5318d38855215db13f51f81677a79a4d84c09
Detections:
PureCrypter_Stage1
Create hunting rule
Link:
https://www.unpac.me/results/310614ee-3f5d-40db-94ff-c66180f6910e/
Malware family:
SmokeLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1ca395ae7b89/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/1ca395ae7b898456236cb371773e6ee001faf58ba04d0dc1ef7728c21ee251c8

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 1ca395ae7b898456236cb371773e6ee001faf58ba04d0dc1ef7728c21ee251c8

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/385096/

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