MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 53a53bf9f523096ddbdf4f6a65cb51464d9c0c8458c2994cdc1e467d20742e64. 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: 13

Intelligence 13 IOCs YARA File information Comments

SHA256 hash:	53a53bf9f523096ddbdf4f6a65cb51464d9c0c8458c2994cdc1e467d20742e64
SHA3-384 hash:	95f6358781d2343263e5dfd443cf40e39e528865f103190dde459c7b94414ad15e8e6521d6511ef739c0b9a73aaa34ce
SHA1 hash:	fd04391befff7c59157ae802daf0d89f53dde9bb
MD5 hash:	27a01bb6c3c0fb64872fcc735c5a0c11
humanhash:	massachusetts-neptune-black-uniform
File name:	27a01bb6c3c0fb64872fcc735c5a0c11.exe
Download:	download sample
Signature	Smoke Loader Create hunting rule
File size:	299'520 bytes
First seen:	2021-11-23 08:40:44 UTC
Last seen:	2021-11-23 11:06:57 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	59be791b1997a927679d8bcc1773dad8 (3 x RedLineStealer, 2 x ArkeiStealer, 1 x Smoke Loader)
ssdeep	6144:aDsH/LRYfj/OoueioKrSXuZet0yobEPOJMzG2epm:ssH/LgjGoudDSXuZet0yobE7zG+
TLSH	T15B549E0067F0C838F5B756F845B993A9A93F7DB1AB28D0CB52D526EA5635AD0EC30307
File icon (PE):
dhash icon	60e8e8e8aa66a499 (24 x RaccoonStealer, 14 x RedLineStealer, 7 x Smoke Loader)
Reporter	abuse_ch
Tags:	Dofoil exe Smoke Loader

Intelligence

File Origin

# of uploads :

# of downloads :

263

Origin country :

n/a

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

27a01bb6c3c0fb64872fcc735c5a0c11.exe

Verdict:

Suspicious activity

Analysis date:

2021-11-23 10:39:19 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/81856d3f-c843-495b-866e-5474b0d9d7e6

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Gathering data

Detection(s):

SecuriteInfo.com.Trojan.Siggen15.50307.24151.11429.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Creating a window

DNS request

Creating a file in the %AppData% directory

Enabling the 'hidden' option for recently created files

Sending an HTTP GET request

Creating a file in the %temp% directory

Creating a process from a recently created file

Sending a custom TCP request

Searching for synchronization primitives

Running batch commands

Creating a process with a hidden window

Unauthorized injection to a recently created process

Query of malicious DNS domain

Unauthorized injection to a recently created process by context flags manipulation

Enabling autorun by creating a file

Sending an HTTP POST request to an infection source

Sending an HTTP GET request to an infection source

Unauthorized injection to a system process

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

greyware packed

Link:

https://www.filescan.io/uploads/619ca92402c80febc2a6e750/reports/8130bbc1-ed31-4221-8547-5342768a4ea6/overview

Result

Verdict:

MALICIOUS

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/6cc991b3-aeb8-450e-bf9e-013a433638e5

Result

Threat name:

RedLine SmokeLoader Tofsee

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/894510

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

Changes security center settings (notifications, updates, antivirus, firewall)

Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation))

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

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

Modifies the windows firewall

Multi AV Scanner detection for dropped file

Multi AV Scanner detection for submitted file

PE file contains section with special chars

PE file has nameless sections

Query firmware table information (likely to detect VMs)

Sigma detected: Copying Sensitive Files with Credential Data

Sigma detected: Suspect Svchost Activity

Sigma detected: Suspicious Svchost Process

Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)

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 (window names)

Uses netsh to modify the Windows network and firewall settings

Yara detected RedLine Stealer

Yara detected SmokeLoader

Yara detected Tofsee

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/53a53bf9f523096ddbdf4f6a65cb51464d9c0c8458c2994cdc1e467d20742e64/

Threat name:

Win32.Trojan.Smokeloader

Status:

Malicious

First seen:

2021-11-23 02:13:30 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

25 of 28 (89.29%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=kostx6pvemew3w67j5vgls2rizgzydeeldbjstg4dzdh2idufzsa._file

Verdict:

malicious

Result

Malware family:

xmrig

Score:

10/10

Tags:

family:arkei family:redline family:smokeloader family:tofsee family:vidar family:xmrig botnet:706 botnet:@123 botnet:cheat botnet:default botnet:z0rm1onebet backdoor collection discovery evasion infostealer miner persistence spyware stealer suricata trojan

Link:

https://tria.ge/reports/211123-klghvahfak/

Behaviour

Checks SCSI registry key(s)

Checks processor information in registry

Creates scheduled task(s)

Delays execution with timeout.exe

Kills process with taskkill

Modifies data under HKEY_USERS

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

Launches sc.exe

Drops file in System32 directory

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

Deletes itself

Loads dropped DLL

Reads user/profile data of web browsers

Creates new service(s)

Downloads MZ/PE file

Executes dropped EXE

Modifies Windows Firewall

Sets service image path in registry

Arkei Stealer Payload

Vidar Stealer

XMRig Miner Payload

Arkei

RedLine

RedLine Payload

SmokeLoader

Tofsee

Vidar

Windows security bypass

suricata: ET MALWARE Sharik/Smoke CnC Beacon 11

xmrig

Malware Config

C2 Extraction:

http://host-file-host6.com/
http://host-host-file8.com/
http://nalirou70.top/
http://xacokuo80.top/
http://srtuiyhuali.at/
http://fufuiloirtu.com/
http://amogohuigotuli.at/
http://novohudosovu.com/
http://brutuilionust.com/
http://bubushkalioua.com/
http://dumuilistrati.at/
http://verboliatsiaeeees.com/
quadoil.ru
lakeflex.ru
185.159.80.90:38637
185.215.113.57:50723
141.95.82.50:63652
http://file-file-host4.com/tratata.php
https://mstdn.social/@anapa
https://mastodon.social/@mniami
2.56.214.190:59628
194.26.232.163:5739