MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 df6677c1c90e5cbdc7fd9bedb1ec78143e8e540936890470a31e4c718e9bf7c9. 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



Stop


Vendor detections: 16


Intelligence 16 IOCs YARA 14 File information Comments

SHA256 hash: df6677c1c90e5cbdc7fd9bedb1ec78143e8e540936890470a31e4c718e9bf7c9
SHA3-384 hash: c832e1f71768a159691d6acfe3821487e6fafb215b73bcc573b9f29111a058268d5e8c16ba533abbefb81d29e721a58e
SHA1 hash: bab6d1d3831504435aa3c6eb2d1fee2123d1139f
MD5 hash: 0df82b966a7bfcf3850513c19e0e139f
humanhash: cold-louisiana-chicken-papa
File name:1.bin
Download: download sample
Signature Stop
File size:828'416 bytes
First seen:2023-08-06 17:48:03 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 85ce740324cd186ebe76660c5a8bb101 (2 x Stop)
ssdeep 12288:T2hfKrHeeWk/vw7hXDT1p6u9qsjDqa28fAkltFJR7Vti5lwfvi:TMfKrHeeWewtDT1p63pRYdJdK3I6
Threatray 2'256 similar samples on MalwareBazaar
TLSH T12105F11352E03C64E5768A369E2ECAA83B1DF991CF59BF9A1318FE1F04B01B1D572706
TrID 52.5% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
17.7% (.EXE) Win64 Executable (generic) (10523/12/4)
8.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.5% (.EXE) Win32 Executable (generic) (4505/5/1)
3.4% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 70d0dcd0d5c8d2dd (1 x Stop)
Reporter petikvx
Tags:Stop

Intelligence


File Origin
# of uploads :
1
# of downloads :
133
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
1.bin
Verdict:
Malicious activity
Analysis date:
2023-08-05 03:32:42 UTC
Tags:
loader arkei ransomware stop

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
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Sending an HTTP GET request
Creating a file
Launching a process
Creating a process with a hidden window
Adding an access-denied ACE
Сreating synchronization primitives
Deleting a recently created file
Searching for synchronization primitives
Query of malicious DNS domain
Sending a TCP request to an infection source
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Sending an HTTP GET request to an infection source
Gathering data
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
Contains functionality to inject code into remote processes
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found 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 domain / URL
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: 1286721 Sample: 1.bin.exe Startdate: 06/08/2023 Architecture: WINDOWS Score: 100 54 Snort IDS alert for network traffic 2->54 56 Multi AV Scanner detection for domain / URL 2->56 58 Found malware configuration 2->58 60 8 other signatures 2->60 8 1.bin.exe 2->8         started        11 1.bin.exe 2->11         started        13 1.bin.exe 2->13         started        15 1.bin.exe 2->15         started        process3 signatures4 64 Multi AV Scanner detection for dropped file 8->64 66 Detected unpacking (changes PE section rights) 8->66 68 Detected unpacking (overwrites its own PE header) 8->68 74 2 other signatures 8->74 17 1.bin.exe 1 18 8->17         started        70 Contains functionality to inject code into remote processes 11->70 72 Injects a PE file into a foreign processes 11->72 22 1.bin.exe 1 16 11->22         started        24 1.bin.exe 12 13->24         started        26 1.bin.exe 15->26         started        process5 dnsIp6 46 zexeq.com 211.119.84.111, 49695, 80 LGDACOMLGDACOMCorporationKR Korea Republic of 17->46 36 C:\Users\user\_readme.txt, ASCII 17->36 dropped 38 C:\Users\user\Desktop38YMMPCEIMA.jpg, data 17->38 dropped 40 C:\Users\user\Desktop\...40YMMPCEIMA.jpg, data 17->40 dropped 44 4 other malicious files 17->44 dropped 62 Modifies existing user documents (likely ransomware behavior) 17->62 48 api.2ip.ua 162.0.217.254, 443, 49692, 49693 ACPCA Canada 22->48 42 C:\Users\user\AppData\Local\...\1.bin.exe, PE32 22->42 dropped 28 1.bin.exe 22->28         started        31 icacls.exe 22->31         started        50 192.168.2.1 unknown unknown 24->50 file7 signatures8 process9 signatures10 76 Injects a PE file into a foreign processes 28->76 33 1.bin.exe 12 28->33         started        process11 dnsIp12 52 api.2ip.ua 33->52
Threat name:
Win32.Trojan.Smokeloader
Status:
Malicious
First seen:
2023-08-05 04:02:12 UTC
File Type:
PE (Exe)
Extracted files:
41
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:djvu family:vidar botnet:183caee054f0a0bfc81780194d9bc7cb discovery persistence ransomware spyware stealer
Behaviour
Creates scheduled task(s)
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Accesses 2FA software files, possible credential harvesting
Adds Run key to start application
Looks up external IP address via web service
Executes dropped EXE
Loads dropped DLL
Modifies file permissions
Reads user/profile data of web browsers
Downloads MZ/PE file
Detected Djvu ransomware
Djvu Ransomware
Vidar
Malware Config
C2 Extraction:
http://zexeq.com/raud/get.php
https://t.me/versozaline
https://steamcommunity.com/profiles/76561199532186526
Unpacked files
SH256 hash:
1a10a5a86edc3e983ba97a11247cee87061f4469b3ef24eaa0fb5cdf93427497
MD5 hash:
2fb85a783554b7aff8d5376a3f6abe3b
SHA1 hash:
2caf4de620c25e3281fe6cca0f5294359f500b0c
Detections:
djvu_ransomware win_stop_auto
SH256 hash:
df6677c1c90e5cbdc7fd9bedb1ec78143e8e540936890470a31e4c718e9bf7c9
MD5 hash:
0df82b966a7bfcf3850513c19e0e139f
SHA1 hash:
bab6d1d3831504435aa3c6eb2d1fee2123d1139f
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:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__ConsoleCtrl
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_getEIP_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MALWARE_Win_STOP
Author:ditekSHen
Description:Detects STOP ransomware
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:SUSP_XORed_URL_in_EXE
Author:Florian Roth (Nextron Systems)
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

Stop

Executable exe df6677c1c90e5cbdc7fd9bedb1ec78143e8e540936890470a31e4c718e9bf7c9

(this sample)

  
Delivery method
Distributed via web download

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