MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 20fcde2fa4a9678b5dd349981be15f762f979daf33b6ab60c005f4f4af66d693. 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: 8


Intelligence 8 IOCs YARA 2 File information Comments

SHA256 hash: 20fcde2fa4a9678b5dd349981be15f762f979daf33b6ab60c005f4f4af66d693
SHA3-384 hash: 149b7032fde6cea0f3e67675a355986d72ea80e7611dec7e4b637e63a4299b21fdaa06b2c89a57008248884dade93a5d
SHA1 hash: 1a0129f284cb164b821ae6bf6621e04e14c49e9a
MD5 hash: 9efbd097d5e65d2aea75908dc5f87677
humanhash: social-mirror-shade-floor
File name:file
Download: download sample
Signature Smoke Loader
File size:515'872 bytes
First seen:2022-08-23 08:59:18 UTC
Last seen:2022-08-23 11:54:16 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 192://kR2WbFAKItMCbncsJ7+n3Mj1yIanxTXxl3bcGuamirgCJgk80XViKoA:/SHOKItM0c36Oxk+Dz8H
Threatray 10'004 similar samples on MalwareBazaar
TLSH T195B429A9675FA631CA19073FFCA6DAC0037562B4385FCB4E88E11F496803F95FAC1256
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)
Reporter andretavare5
Tags:exe Smoke Loader


Avatar
andretavare5
Sample downloaded from https://cdn.discordapp.com/attachments/1011550874335715335/1011560106648928287/111_1.bmp

Intelligence


File Origin
# of uploads :
2
# of downloads :
286
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-08-23 09:01:14 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Creating a file in the system32 subdirectories
Launching a process
Creating a process with a hidden window
Creating a file
Creating a file in the %AppData% subdirectories
Moving a file to the %AppData% subdirectory
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay packed
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.
Result
Threat name:
AsyncRAT, RedLine, SmokeLoader
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
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 many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
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
Performs DNS queries to domains with low reputation
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, 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)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Crypto Currency Wallets
Writes to foreign memory regions
Yara detected AsyncRAT
Yara detected Generic Downloader
Yara detected RedLine Stealer
Yara detected SmokeLoader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 688621 Sample: file Startdate: 23/08/2022 Architecture: WINDOWS Score: 100 50 Snort IDS alert for network traffic 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 Yara detected SmokeLoader 2->54 56 7 other signatures 2->56 8 file.exe 15 5 2->8         started        process3 dnsIp4 38 andit.co 162.244.95.115, 443, 49708, 49719 PONYNETUS United States 8->38 40 cutt.ly 104.22.0.232, 443, 49707, 49718 CLOUDFLARENETUS United States 8->40 34 C:\Users\...34muqkuenwzwbweuduwaaxel_1.exe, PE32 8->34 dropped 36 C:\Users\user\AppData\Local\...\file.exe.log, ASCII 8->36 dropped 66 Encrypted powershell cmdline option found 8->66 68 Writes to foreign memory regions 8->68 70 Injects a PE file into a foreign processes 8->70 13 Nmuqkuenwzwbweuduwaaxel_1.exe 14 4 8->13         started        17 InstallUtil.exe 14 5 8->17         started        19 powershell.exe 18 8->19         started        file5 signatures6 process7 dnsIp8 42 cutt.ly 13->42 44 andit.co 13->44 72 Machine Learning detection for dropped file 13->72 74 Encrypted powershell cmdline option found 13->74 76 Writes to foreign memory regions 13->76 78 Injects a PE file into a foreign processes 13->78 21 InstallUtil.exe 13->21         started        24 powershell.exe 13->24         started        26 InstallUtil.exe 13->26         started        46 serverdataorg.xyz 45.142.211.49, 49720, 81 RACKTECHRU Russian Federation 17->46 48 api.ip.sb 17->48 80 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 17->80 82 Performs DNS queries to domains with low reputation 17->82 84 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 17->84 86 2 other signatures 17->86 28 conhost.exe 19->28         started        signatures9 process10 signatures11 58 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 21->58 60 Maps a DLL or memory area into another process 21->60 62 Checks if the current machine is a virtual machine (disk enumeration) 21->62 64 Creates a thread in another existing process (thread injection) 21->64 30 explorer.exe 21->30 injected 32 conhost.exe 24->32         started        process12
Threat name:
Win32.Spyware.RedLine
Status:
Suspicious
First seen:
2022-08-23 09:00:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
16 of 26 (61.54%)
Threat level:
  2/5
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Behaviour
Modifies system certificate store
Suspicious use of AdjustPrivilegeToken
Unpacked files
SH256 hash:
20fcde2fa4a9678b5dd349981be15f762f979daf33b6ab60c005f4f4af66d693
MD5 hash:
9efbd097d5e65d2aea75908dc5f87677
SHA1 hash:
1a0129f284cb164b821ae6bf6621e04e14c49e9a
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
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


The table below shows additional information about this malware sample such as delivery method and external references.

  
Dropped by
PrivateLoader
  
Delivery method
Distributed via drive-by

Comments