MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a738a8b6ba54a5ce95e936b963ed8ca8faff681a19f9d7411bf983705ce86646. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a738a8b6ba54a5ce95e936b963ed8ca8faff681a19f9d7411bf983705ce86646
SHA3-384 hash: fbe0c49267e3160cd78644984a8518a1e222d61bffd986d0465fefcd1c3e3744805a127e3fa973f7bf81950b8b1952ba
SHA1 hash: 4cab178f8bb093ad98c482616600195c6e256aee
MD5 hash: 79c6bd3770029995e98f4b8816008485
humanhash: alpha-happy-alabama-maryland
File name:79c6bd3770029995e98f4b8816008485.exe
Download: download sample
Signature Smoke Loader
Create hunting rule
File size:150'016 bytes
First seen:2022-11-29 11:40:12 UTC
Last seen:2022-11-29 13:28:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 9623159023749d6f1021b391ad2cd51a (2 x RedLineStealer, 1 x Smoke Loader)
ssdeep 3072:uO5Cpqg/vU95Mh+09DjIIzhoJ1C6DoMPP:15CoIvPzyJrH
Threatray 10'940 similar samples on MalwareBazaar
TLSH T1F1E3D06236D1C072D0AA48751939C2A27F7F75327DB4C84ABB840B9E1F722D27A67347
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 2c4c137123ab3b33 (1 x Smoke Loader)
Reporter abuse_ch
Tags:exe Smoke Loader


Avatar
abuse_ch
Smoke Loader C2:
http://62.204.41.252/nB8cWack3/index.php

Intelligence

File Origin
# of uploads :
2
# of downloads :
189
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
79c6bd3770029995e98f4b8816008485.exe
Verdict:
No threats detected
Analysis date:
2022-11-29 11:40:41 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/78524bac-df23-469f-9eb5-fdfe6b3d6c33

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
SmokeLoader
Create hunting rule
Link:
https://www.capesandbox.com/analysis/339722/
Detection(s):
SecuriteInfo.com.Win32.BotX-gen.19132.28803.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for synchronization primitives
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
DNS request
Sending an HTTP POST request
Launching a process
Setting browser functions hooks
Unauthorized injection to a system process
Enabling autorun by creating a file
Unauthorized injection to a browser process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm greyware lockbit packed smokeloader
Link:
https://www.filescan.io/uploads/6385efd094f9bac087b3c87f/reports/7804d9f3-d412-4010-94a0-29a73f2d0715/overview
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:
Unknown
Link:
https://analyze.intezer.com/analyses/f63bdec6-f3d7-4abe-82e9-21ff42526fd9
Result
Threat name:
Amadey, SmokeLoader, Vidar
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1123257
Signature
Antivirus detection for dropped file
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)
Creates an undocumented autostart registry key
Deletes itself after installation
Detected unpacking (changes PE section rights)
Found many strings related to Crypto-Wallets (likely being stolen)
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
Snort IDS alert for network traffic
Suspicious powershell command line found
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 ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Crypto Currency Wallets
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected Amadey bot
Yara detected Amadeys stealer DLL
Yara detected SmokeLoader
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 755981 Sample: c7oqCiKzbF.exe Startdate: 29/11/2022 Architecture: WINDOWS Score: 100 107 Snort IDS alert for network traffic 2->107 109 Malicious sample detected (through community Yara rule) 2->109 111 Antivirus detection for URL or domain 2->111 113 10 other signatures 2->113 10 c7oqCiKzbF.exe 2->10         started        13 srfwgvw 2->13         started        15 gntuud.exe 2->15         started        process3 signatures4 133 Detected unpacking (changes PE section rights) 10->133 135 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 10->135 137 Maps a DLL or memory area into another process 10->137 139 Creates a thread in another existing process (thread injection) 10->139 17 explorer.exe 11 10->17 injected 141 Multi AV Scanner detection for dropped file 13->141 143 Machine Learning detection for dropped file 13->143 145 Checks if the current machine is a virtual machine (disk enumeration) 13->145 process5 dnsIp6 79 62.204.41.252, 49737, 49758, 49759 TNNET-ASTNNetOyMainnetworkFI United Kingdom 17->79 81 r3oidsofsios.com 185.246.221.151, 49703, 49704, 49705 LVLT-10753US Germany 17->81 83 6 other IPs or domains 17->83 69 C:\Users\user\AppData\Roaming\srfwgvw, PE32 17->69 dropped 71 C:\Users\user\AppData\Local\Temp\FC0D.exe, PE32 17->71 dropped 73 C:\Users\user\AppData\Local\Temp\8C0.exe, PE32 17->73 dropped 75 3 other malicious files 17->75 dropped 115 System process connects to network (likely due to code injection or exploit) 17->115 117 Benign windows process drops PE files 17->117 119 Injects code into the Windows Explorer (explorer.exe) 17->119 121 3 other signatures 17->121 22 FC0D.exe 3 17->22         started        26 1295.exe 17->26         started        28 8C0.exe 17->28         started        30 10 other processes 17->30 file7 signatures8 process9 file10 77 C:\Users\user\AppData\Local\...\gntuud.exe, PE32 22->77 dropped 123 Multi AV Scanner detection for dropped file 22->123 125 Machine Learning detection for dropped file 22->125 32 gntuud.exe 18 22->32         started        127 Injects a PE file into a foreign processes 26->127 36 1295.exe 26->36         started        39 8C0.exe 19 28->39         started        129 Suspicious powershell command line found 30->129 131 Bypasses PowerShell execution policy 30->131 41 powershell.exe 18 30->41         started        signatures11 process12 dnsIp13 65 C:\Users\user\AppData\Roaming\...\cred64.dll, PE32 32->65 dropped 67 C:\Users\user\AppData\Local\...\cred64[1].dll, PE32 32->67 dropped 93 Multi AV Scanner detection for dropped file 32->93 95 Creates an undocumented autostart registry key 32->95 97 Machine Learning detection for dropped file 32->97 99 Uses schtasks.exe or at.exe to add and modify task schedules 32->99 43 rundll32.exe 32->43         started        47 schtasks.exe 1 32->47         started        85 t.me 149.154.167.99, 443, 49756 TELEGRAMRU United Kingdom 36->85 87 88.198.94.71, 49757, 80 HETZNER-ASDE Germany 36->87 101 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 36->101 103 Tries to harvest and steal browser information (history, passwords, etc) 36->103 105 Tries to steal Crypto Currency Wallets 36->105 49 cmd.exe 36->49         started        51 cmd.exe 39->51         started        53 conhost.exe 41->53         started        file14 signatures15 process16 dnsIp17 89 192.168.2.5, 443, 49684, 49694 unknown unknown 43->89 91 192.168.2.1 unknown unknown 43->91 147 System process connects to network (likely due to code injection or exploit) 43->147 149 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 43->149 151 Tries to steal Instant Messenger accounts or passwords 43->151 153 2 other signatures 43->153 55 conhost.exe 47->55         started        57 conhost.exe 49->57         started        59 timeout.exe 49->59         started        61 conhost.exe 51->61         started        63 timeout.exe 51->63         started        signatures18 process19
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a738a8b6ba54a5ce95e936b963ed8ca8faff681a19f9d7411bf983705ce86646/
Threat name:
Win32.Trojan.SmokeLoader
Create hunting rule
Status:
Malicious
First seen:
2022-11-29 09:26:57 UTC
File Type:
PE (Exe)
Extracted files:
9
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=u44krnv2kss45fpjg24wh3mmvd5p62a2dh45oqi37gbxaxhimzda._file
Verdict:
malicious
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08c7eb81c268bbae91dedf391c1901461e786ee5cd401872100efad10812efc9
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d7c42d1df0e957935b672b0633cf3dad39b5d8c85eec4631c62191915af02379
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+ 10'930 additional samples on MalwareBazaar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:amadey family:smokeloader family:vidar botnet:1148 backdoor collection discovery persistence spyware stealer trojan
Link:
https://tria.ge/reports/221129-nte7jaeh24/
Behaviour
Checks SCSI registry key(s)
Checks processor information in registry
Creates scheduled task(s)
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses 2FA software files, possible credential harvesting
Accesses Microsoft Outlook profiles
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Checks installed software on the system
Legitimate hosting services abused for malware hosting/C2
Checks computer location settings
Loads dropped DLL
Reads local data of messenger clients
Reads user/profile data of web browsers
Blocklisted process makes network request
Downloads MZ/PE file
Executes dropped EXE
Amadey
Detect Amadey credential stealer module
Detects Smokeloader packer
SmokeLoader
Vidar
Malware Config
C2 Extraction:
62.204.41.252/nB8cWack3/index.php
https://t.me/asifrazatg
https://steamcommunity.com/profiles/76561199439929669
Unpacked files
SH256 hash:
e97028f53e2a5448ecf5b0ca744e94ca51ea272281d2c6494b74f46bc3c4d661
MD5 hash:
5763c7d74ab2d3df8b55cc762a7435d0
SHA1 hash:
4bc56a0e29f5af2cad1e984cab4580f575beda04
Detections:
win_smokeloader_a2
Create hunting rule
SmokeLoaderStage2
Create hunting rule
Link:
https://www.unpac.me/results/cb253a56-c6ab-4977-82b6-c7249c7e5fa2/
Parent samples :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 hash:
a738a8b6ba54a5ce95e936b963ed8ca8faff681a19f9d7411bf983705ce86646
MD5 hash:
79c6bd3770029995e98f4b8816008485
SHA1 hash:
4cab178f8bb093ad98c482616600195c6e256aee
Link:
https://www.unpac.me/results/cb253a56-c6ab-4977-82b6-c7249c7e5fa2/
Malware family:
SmokeLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a738a8b6ba54/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/a738a8b6ba54a5ce95e936b963ed8ca8faff681a19f9d7411bf983705ce86646

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:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB
Rule name:Windows_Trojan_Smokeloader_3687686f
Create hunting rule
Author:Elastic Security

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 a738a8b6ba54a5ce95e936b963ed8ca8faff681a19f9d7411bf983705ce86646

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2409837/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/339722/

Comments