MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4969ef4af9004baaf340293cb7b7a4b46289d2648105c840997a961b19f7d846. 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

SHA256 hash: 4969ef4af9004baaf340293cb7b7a4b46289d2648105c840997a961b19f7d846
SHA3-384 hash: 9e474503448283d4cf6ec05c447d3947dc4ff5788a2815de58a062a3677d435366c73b017e5dc55c3e77842a0b62d13a
SHA1 hash: a9098ae5b51919aefdbacac860a7a4847ab5b5d7
MD5 hash: b7f8151b9e842f26cf7223ae7a2fa956
humanhash: nitrogen-queen-fruit-california
File name:Invoice.exe
Download: download sample
Signature Smoke Loader
File size:1'344'512 bytes
First seen:2023-05-09 16:18:29 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:K3qpkOmnh5r05wGI/sQglQuecNpiKGK/dJ7VHbVO5pK6KO:rEnT0Q/BgiuUKGK5HbVOjK6KO
Threatray 585 similar samples on MalwareBazaar
TLSH T14C5512B4A0AB49F5E20FD9702478BDA61BB170D3F9D60678032E9544DFBBB143E8854E
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter threatcat_ch
Tags:exe Smoke Loader SnakeKeylogger

Intelligence


File Origin
# of uploads :
1
# of downloads :
258
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Invoice.exe
Verdict:
Malicious activity
Analysis date:
2023-05-09 16:19:59 UTC
Tags:
snake keylogger trojan evasion

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

Behaviour
Searching for the window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a window
Unauthorized injection to a recently created process
Creating a file
Enabling the 'hidden' option for recently created files
Creating a process from a recently created file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
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:
Snake Keylogger, StormKitty
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for dropped file
Antivirus detection for URL or domain
Contains functionality to detect sleep reduction / modifications
Document contains an embedded VBA macro with suspicious strings
Document contains an embedded VBA with functions possibly related to ADO stream file operations
Document contains an embedded VBA with functions possibly related to HTTP operations
Document contains an embedded VBA with functions possibly related to WSH operations (process, registry, environment, or keystrokes)
Drops PE files to the document folder of the user
Found malware configuration
Initial sample is a PE file and has a suspicious name
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)
May check the online IP address of the machine
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses dynamic DNS services
Uses the Telegram API (likely for C&C communication)
Yara detected Generic Downloader
Yara detected Snake Keylogger
Yara detected StormKitty Stealer
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 862368 Sample: Invoice.exe Startdate: 09/05/2023 Architecture: WINDOWS Score: 100 80 Snort IDS alert for network traffic 2->80 82 Multi AV Scanner detection for domain / URL 2->82 84 Found malware configuration 2->84 86 19 other signatures 2->86 9 Invoice.exe 3 2->9         started        13 Synaptics.exe 2 2->13         started        15 EXCEL.EXE 2->15         started        process3 file4 50 C:\Users\user\AppData\...\Invoice.exe.log, ASCII 9->50 dropped 112 Injects a PE file into a foreign processes 9->112 114 Contains functionality to detect sleep reduction / modifications 9->114 17 Invoice.exe 1 5 9->17         started        20 Synaptics.exe 13->20         started        signatures5 process6 file7 42 C:\Users\user\Desktop\._cache_Invoice.exe, PE32 17->42 dropped 44 C:\ProgramData\Synaptics\Synaptics.exe, PE32 17->44 dropped 46 C:\...\Synaptics.exe:Zone.Identifier, ASCII 17->46 dropped 22 Synaptics.exe 3 17->22         started        25 ._cache_Invoice.exe 14 2 17->25         started        48 C:\ProgramData\...\._cache_Synaptics.exe, PE32 20->48 dropped 28 ._cache_Synaptics.exe 20->28         started        process8 dnsIp9 96 Multi AV Scanner detection for dropped file 22->96 98 Drops PE files to the document folder of the user 22->98 100 Machine Learning detection for dropped file 22->100 102 Injects a PE file into a foreign processes 22->102 30 Synaptics.exe 22->30         started        34 Synaptics.exe 22->34         started        66 checkip.dyndns.com 158.101.44.242, 49682, 49737, 80 ORACLE-BMC-31898US United States 25->66 68 checkip.dyndns.org 25->68 72 2 other IPs or domains 25->72 70 checkip.dyndns.org 28->70 104 Antivirus detection for dropped file 28->104 106 May check the online IP address of the machine 28->106 108 Tries to steal Mail credentials (via file / registry access) 28->108 110 Tries to harvest and steal browser information (history, passwords, etc) 28->110 signatures10 process11 dnsIp12 74 freedns.afraid.org 174.128.246.100, 49693, 80 ST-BGPUS United States 30->74 76 docs.google.com 172.217.168.14, 443, 49690, 49691 GOOGLEUS United States 30->76 78 xred.mooo.com 30->78 52 C:\Users\user\Documents\CZQKSDDMWR\~$cache1, PE32 30->52 dropped 54 C:\Users\user\Desktop\._cache_Synaptics.exe, PE32 30->54 dropped 56 C:\Users\user\AppData\Local\...\vmT9dcke.exe, PE32 30->56 dropped 58 3 other malicious files 30->58 dropped 36 ._cache_Synaptics.exe 30->36         started        40 WerFault.exe 30->40         started        file13 process14 dnsIp15 60 193.122.6.168, 49689, 80 ORACLE-BMC-31898US United States 36->60 62 checkip.dyndns.org 36->62 64 2 other IPs or domains 36->64 88 Antivirus detection for dropped file 36->88 90 Multi AV Scanner detection for dropped file 36->90 92 May check the online IP address of the machine 36->92 94 2 other signatures 36->94 signatures16
Threat name:
ByteCode-MSIL.Trojan.SnakeKeylogger
Status:
Malicious
First seen:
2023-05-09 13:36:04 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Result
Malware family:
stormkitty
Score:
  10/10
Tags:
family:snakekeylogger family:stormkitty collection keylogger persistence spyware stealer
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Looks up external IP address via web service
Loads dropped DLL
Reads user/profile data of web browsers
Checks computer location settings
Executes dropped EXE
Snake Keylogger
Snake Keylogger payload
StormKitty
StormKitty payload
Malware Config
C2 Extraction:
https://api.telegram.org/bot6136035762:AAGQJoq5AjGzrqugWANFmU6RNEkZGCAv7SE/sendMessage?chat_id=805410216
Unpacked files
SH256 hash:
4347e983b6314353168663c19f37b69e244db7045884167dc1e71a482aabdaa6
MD5 hash:
f6087285d8f8490c3af6ffce5a19a000
SHA1 hash:
813872392e6991b08bad5c944f6b0ae9604a0665
SH256 hash:
b9eae90f8e942cc4586d31dc484f29079651ad64c49f90d99f86932630c66af2
MD5 hash:
c0ef4d6237d106bf51c8884d57953f92
SHA1 hash:
f1da7ecbbee32878c19e53c7528c8a7a775418eb
SH256 hash:
595b90210245a5483ae2c3fe75438d1a1848107bae4a7726ff397b9f73d1f9d6
MD5 hash:
6d322f065a83fcba88d6ec2003655dc2
SHA1 hash:
e9bb288524bebd7a09162e0d48fa2c8be5930701
SH256 hash:
8fba05160660aaff29add159327de5bbc725c1c755d20290e4ba425e1f140d55
MD5 hash:
8989bea0eda697b756cd8685657d8fcf
SHA1 hash:
bba0d9b8634464630d3e9bbdf60748748243baf9
SH256 hash:
d8fc5dfdf2800247eb610beb076fec4d2becf6d951e89445d43237fe97814218
MD5 hash:
e5d93dadd08b8bc727e4f4853c6881ba
SHA1 hash:
27e0e057d33f01586193b0cbf06561c2863951f4
SH256 hash:
4969ef4af9004baaf340293cb7b7a4b46289d2648105c840997a961b19f7d846
MD5 hash:
b7f8151b9e842f26cf7223ae7a2fa956
SHA1 hash:
a9098ae5b51919aefdbacac860a7a4847ab5b5d7
Malware family:
SnakeKeylogger
Verdict:
Malicious
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.

Malspam

Smoke Loader

Executable exe 4969ef4af9004baaf340293cb7b7a4b46289d2648105c840997a961b19f7d846

(this sample)

  
Dropped by
snakekeylogger
  
Delivery method
Distributed via e-mail attachment

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