MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a4a9d94f6ae92eaabd42126cccdd98981422aca1b1a0d7647fa1fdb7e72dca36. 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 File information Comments

SHA256 hash:	a4a9d94f6ae92eaabd42126cccdd98981422aca1b1a0d7647fa1fdb7e72dca36
SHA3-384 hash:	31fb3798b422c5178d57ce9d0f2f1ca4d1432fac38d7d19e818e2391f4004b100f02a1e85e92cc30f3e33db77538e1e6
SHA1 hash:	bf678aee1540890dec23f91b902dbd05551b95d9
MD5 hash:	bda3d2c41d6c6d0b3d996ba23aa056c9
humanhash:	nineteen-mockingbird-network-ohio
File name:	bda3d2c41d6c6d0b3d996ba23aa056c9.exe
Download:	download sample
Signature	Smoke Loader Create hunting rule
File size:	326'656 bytes
First seen:	2021-12-03 10:13:45 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	67fd2baa77376c82dfb0c8f4177239b1 (2 x RedLineStealer, 2 x Smoke Loader, 1 x Loki)
ssdeep	6144:BOj5x7jymQSTsUqtHGccnOrHNuRvs1bU/GPtY:Of7jymQSTsUqtmcctRk1r
Threatray	5'764 similar samples on MalwareBazaar
TLSH	T166649D00B7A0C435F5F356FC49B59269A93EBEA16B3490CF12D51BEA46356E0EC3039B
File icon (PE):
dhash icon	60e8e8e8aa62a499 (7 x RaccoonStealer, 3 x Smoke Loader, 1 x Stop)
Reporter	abuse_ch
Tags:	Dofoil exe Smoke Loader

Intelligence

File Origin

# of uploads :

# of downloads :

298

Origin country :

n/a

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

bda3d2c41d6c6d0b3d996ba23aa056c9.exe

Verdict:

Suspicious activity

Analysis date:

2021-12-03 10:21:11 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/342d914f-e89d-4508-b0d0-740af3510eb2

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/211001/

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Unauthorized injection to a recently created process

DNS request

Searching for synchronization primitives

Sending a custom TCP request

Reading critical registry keys

Сreating synchronization primitives

Creating a file in the %AppData% directory

Enabling the 'hidden' option for recently created files

Creating a file in the %temp% directory

Creating a process from a recently created file

Searching for the window

Searching for analyzing tools

Query of malicious DNS domain

Sending a TCP request to an infection source

Unauthorized injection to a system process

Enabling autorun by creating a file

Sending an HTTP POST request to an infection source

Sending an HTTP GET request to an infection source

Result

Malware family:

n/a

Score:

3/10

Tags:

n/a

Link:

https://dragonfly.certego.net/analysis/648/overview

Behaviour

SystemUptime

MeasuringTime

EvasionQueryPerformanceCounter

EvasionGetTickCount

CheckCmdLine

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Link:

https://www.filescan.io/uploads/61a9edee4d8e6f3a5e0ceb38/reports/2af918d2-44b6-4416-87f9-b484dd675ce8/overview

Result

Verdict:

SUSPICIOUS

Details

Windows PE Executable

Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.

Malware family:

Malicious Packer

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/15865e2b-a392-4495-8506-49d14aed3d0a

Result

Threat name:

Cryptbot Djvu RedLine SmokeLoader Vidar

Detection:

malicious

Classification:

rans.troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/900771

Signature

.NET source code contains method to dynamically call methods (often used by packers)

.NET source code contains very large array initializations

.NET source code references suspicious native API functions

Antivirus detection for dropped file

Antivirus detection for URL or domain

Benign windows process drops PE files

Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation))

Checks if the current machine is a virtual machine (disk enumeration)

Connects to many ports of the same IP (likely port scanning)

Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)

Contains functionality to infect the boot sector

Contains functionality to inject code into remote processes

Creates a thread in another existing process (thread injection)

Deletes itself after installation

Detected unpacking (changes PE section rights)

Detected unpacking (overwrites its own PE header)

Found many strings related to Crypto-Wallets (likely being stolen)

Hides that the sample has been downloaded from the Internet (zone.identifier)

Hides threads from debuggers

Injects a PE file into a foreign processes

Machine Learning detection for dropped file

Machine Learning detection for sample

Maps a DLL or memory area into another process

Multi AV Scanner detection for dropped file

PE file contains section with special chars

PE file has nameless sections

Query firmware table information (likely to detect VMs)

Sample uses process hollowing technique

System process connects to network (likely due to code injection or exploit)

Tries to detect sandboxes / dynamic malware analysis system (registry check)

Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)

Tries to detect sandboxes and other dynamic analysis tools (window names)

Tries to evade analysis by execution special instruction which cause usermode exception

Tries to harvest and steal browser information (history, passwords, etc)

Tries to steal Crypto Currency Wallets

Yara detected Cryptbot

Yara detected Djvu Ransomware

Yara detected RedLine Stealer

Yara detected SmokeLoader

Yara detected Vidar stealer

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/a4a9d94f6ae92eaabd42126cccdd98981422aca1b1a0d7647fa1fdb7e72dca36/

Threat name:

Win32.Trojan.Smokeloader

Status:

Malicious

First seen:

2021-12-03 10:14:12 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

26 of 28 (92.86%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=usu5st3k5exkvpkccjwmzxmytakcflfbwgqnozd7uh63pzznzi3a._file

Verdict:

malicious

Smoke Loader

387619129ba37b0a3574d3bae80df37ef2213e27ea2a9d903365e226f6ad2c64

Smoke Loader

433cf9125a44e304eca2c5cf3bfe2af0b1deafd1c5e8d13d559e1bac9de711b3

Smoke Loader

47ec411eab0aa15619f24caa6256ed4ca5cfc695a26f5b71830b53b07c22b05b

Smoke Loader

68b90031cf6d8870b5719281dbfd45c97db2b8b0e696ea5f997c8de57b54dd7f

Smoke Loader

c9f18cc71c7a1fa61d43a32dfb858f9aa247324a188f8182981b853266d3b1c7

Smoke Loader

d836a03e0b7eeabbc971de7d3e6fcc11bf06e13e633d11118c7429b3abb3c4ed

Smoke Loader

edf105b04e5bd8f534cb569945ecaad365d6366e163627d5652520a0368a52c2

Smoke Loader

f7b5a27355eafa5302a38a1e0adadcb619b6d42e7c1707a784297634a180a66f

Smoke Loader

+ 5'754 additional samples on MalwareBazaar

Result

Malware family:

smokeloader

Score:

10/10

Tags:

family:arkei family:cryptbot family:raccoon family:redline family:smokeloader botnet:8b6023dd139bdc34aab99c286fae23d1442b4956 botnet:default backdoor collection discovery evasion infostealer spyware stealer themida trojan

Link:

https://tria.ge/reports/211203-l9nshabah2/

Behaviour

Checks SCSI registry key(s)

Checks processor information in registry

Delays execution with timeout.exe

Runs ping.exe

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

outlook_office_path

outlook_win_path

Enumerates physical storage devices

Suspicious use of NtSetInformationThreadHideFromDebugger

Suspicious use of SetThreadContext

Accesses Microsoft Outlook profiles

Accesses cryptocurrency files/wallets, possible credential harvesting

Checks installed software on the system

Checks whether UAC is enabled

Legitimate hosting services abused for malware hosting/C2

Checks BIOS information in registry

Deletes itself

Loads dropped DLL

Reads data files stored by FTP clients

Reads user/profile data of web browsers

Themida packer

Downloads MZ/PE file

Executes dropped EXE

Arkei Stealer Payload

Identifies VirtualBox via ACPI registry values (likely anti-VM)

Arkei

CryptBot

Raccoon

RedLine

RedLine Payload

SmokeLoader

Malware Config

C2 Extraction:

http://host-data-coin-11.com/
http://file-coin-host-12.com/
http://srtuiyhuali.at/
http://fufuiloirtu.com/
http://amogohuigotuli.at/
http://novohudosovu.com/
http://brutuilionust.com/
http://bubushkalioua.com/
http://dumuilistrati.at/
http://verboliatsiaeeees.com/
92.255.76.197:38637
http://file-file-host4.com/tratata.php