MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b4735c29c4390f582a98be6ea4b5f8113fdc66eb7f1e72619b0c8e07e692792e. 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 6 File information Comments

SHA256 hash: b4735c29c4390f582a98be6ea4b5f8113fdc66eb7f1e72619b0c8e07e692792e
SHA3-384 hash: 997984e572283dd0d49667f52a00cc8949acf16e83ee5d68ea641bc21da97c9a4dbd66637ac3306e0f235d204f04ec2f
SHA1 hash: 2a86ad0d8d9f96315ef5dc3601a109f75e70df7a
MD5 hash: 061e4968941259deb3f20cf20b249356
humanhash: blue-nevada-burger-eleven
File name:061e4968941259deb3f20cf20b249356.exe
Download: download sample
Signature Smoke Loader
File size:851'456 bytes
First seen:2022-11-18 22:51:17 UTC
Last seen:2022-11-19 00:51:03 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 98234e0f0224f45e67bab62b27cb6624 (6 x Smoke Loader, 4 x Amadey, 2 x RedLineStealer)
ssdeep 24576:4fqgw7KTpNAZIeWJYnqGYpaGHNvYLfdpLj11:UK7KT8dW930LfX11
Threatray 2'641 similar samples on MalwareBazaar
TLSH T19C05010132D0D6B3C0538236CD26CBA86B68E9125B3575E33796EEBF6E302D175B5272
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon fcfcb4b4b494d9c1 (74 x Amadey, 56 x Smoke Loader, 38 x RedLineStealer)
Reporter abuse_ch
Tags:exe Smoke Loader

Intelligence


File Origin
# of uploads :
2
# of downloads :
205
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
061e4968941259deb3f20cf20b249356.exe
Verdict:
Malicious activity
Analysis date:
2022-11-18 23:03:47 UTC
Tags:
trojan ransomware stop loader stealer vidar

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

Behaviour
Creating a window
Unauthorized injection to a recently created process
Sending an HTTP GET request
Sending a custom TCP request
Сreating synchronization primitives
Creating a file in the %temp% directory
Running batch commands
Creating a process with a hidden window
Query of malicious DNS domain
Sending a TCP request to an infection source
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware packed
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:
STOP Ransomware
Verdict:
Malicious
Result
Threat name:
Babuk, Djvu
Detection:
malicious
Classification:
rans.troj.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found ransom note / readme
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)
Modifies existing user documents (likely ransomware behavior)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Writes a notice file (html or txt) to demand a ransom
Yara detected Babuk Ransomware
Yara detected Djvu Ransomware
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 749551 Sample: gOwRr6jiYd.exe Startdate: 18/11/2022 Architecture: WINDOWS Score: 100 54 Snort IDS alert for network traffic 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 Antivirus detection for URL or domain 2->58 60 6 other signatures 2->60 8 gOwRr6jiYd.exe 2->8         started        11 gOwRr6jiYd.exe 2->11         started        13 gOwRr6jiYd.exe 2->13         started        15 gOwRr6jiYd.exe 2->15         started        process3 signatures4 64 Injects a PE file into a foreign processes 8->64 17 gOwRr6jiYd.exe 19 8->17         started        66 Multi AV Scanner detection for dropped file 11->66 68 Machine Learning detection for dropped file 11->68 70 Writes a notice file (html or txt) to demand a ransom 11->70 22 gOwRr6jiYd.exe 13 11->22         started        24 gOwRr6jiYd.exe 1 18 13->24         started        26 gOwRr6jiYd.exe 13 15->26         started        process5 dnsIp6 48 fresherlights.com 178.31.176.42, 49703, 80 TELENOR-NEXTELTelenorNorgeASNO Sweden 17->48 36 C:\Users\user\_readme.txt, ASCII 17->36 dropped 38 C:\Users\user\...\ChromeSetup.exe.fatp (copy), MS-DOS 17->38 dropped 40 C:\Users\user\Downloads\ChromeSetup.exe, MS-DOS 17->40 dropped 46 6 other malicious files 17->46 dropped 62 Modifies existing user documents (likely ransomware behavior) 17->62 50 api.2ip.ua 162.0.217.254, 443, 49691, 49699 ACPCA Canada 24->50 42 C:\Users\user\AppData\...\gOwRr6jiYd.exe, PE32 24->42 dropped 44 C:\Users\...\gOwRr6jiYd.exe:Zone.Identifier, ASCII 24->44 dropped 28 gOwRr6jiYd.exe 24->28         started        31 icacls.exe 24->31         started        file7 signatures8 process9 signatures10 72 Injects a PE file into a foreign processes 28->72 33 gOwRr6jiYd.exe 13 28->33         started        process11 dnsIp12 52 api.2ip.ua 33->52
Threat name:
Win32.Trojan.SmokeLoader
Status:
Malicious
First seen:
2022-11-18 11:24:13 UTC
File Type:
PE (Exe)
Extracted files:
75
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:djvu family:vidar botnet:517 discovery persistence ransomware spyware stealer
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Delays execution with timeout.exe
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses 2FA software files, possible credential harvesting
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Checks installed software on the system
Looks up external IP address via web service
Checks computer location settings
Loads dropped DLL
Modifies file permissions
Reads user/profile data of web browsers
Downloads MZ/PE file
Executes dropped EXE
Detected Djvu ransomware
Djvu Ransomware
Vidar
Malware Config
C2 Extraction:
http://fresherlights.com/test1/get.php
https://t.me/deadftx
https://www.ultimate-guitar.com/u/smbfupkuhrgc1
Verdict:
Informative
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
b4735c29c4390f582a98be6ea4b5f8113fdc66eb7f1e72619b0c8e07e692792e
MD5 hash:
061e4968941259deb3f20cf20b249356
SHA1 hash:
2a86ad0d8d9f96315ef5dc3601a109f75e70df7a
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:MALWARE_Win_STOP
Author:ditekSHen
Description:Detects STOP ransomware
Rule name:pdb_YARAify
Author:@wowabiy314
Description:PDB
Rule name:SUSP_XORed_URL_in_EXE
Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:SUSP_XORed_URL_in_EXE_RID2E46
Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:Windows_Ransomware_Stop_1e8d48ff
Author:Elastic Security
Rule name:win_stop_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.stop.

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 b4735c29c4390f582a98be6ea4b5f8113fdc66eb7f1e72619b0c8e07e692792e

(this sample)

  
Delivery method
Distributed via web download

Comments