MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e19d0a4a8970ffe3619f4cd03b71e353e0357243ec6cfbf978138f632bbdadfd. 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: 17


Intelligence 17 IOCs YARA 6 File information Comments

SHA256 hash: e19d0a4a8970ffe3619f4cd03b71e353e0357243ec6cfbf978138f632bbdadfd
SHA3-384 hash: 34b58ad6d59f3da4a42439b3939ef71743d0c09bb71e164c8aa9c3e5b2af57cff9f20c7b5ed4d4e17e5d632514c4d56b
SHA1 hash: c87ac965e1b3938ce68485d4cd5324ac0accfbd1
MD5 hash: b4f3db2b75b05734fe2f9fa10db7efcd
humanhash: tango-neptune-iowa-failed
File name:build.exe
Download: download sample
Signature Stop
File size:711'680 bytes
First seen:2023-03-15 03:32:42 UTC
Last seen:2023-03-15 05:27:04 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash a3d2458576fe5a0bba25a52083b72348 (3 x Stop, 2 x Smoke Loader, 1 x Loki)
ssdeep 12288:EJkTB70i/9IbuzqOZlL+A76EnBfs5+JpKc6bdQ8d/4rpqIGJJw3h2x42CsKkl:faiVwoqOj+A76X+Jp2jl4wJJYF2Cs
Threatray 1'344 similar samples on MalwareBazaar
TLSH T18FE4F10383A07F11EA115B718D6FD5FA7A1EB8108F25BBF622186A1F04713E2DA73755
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 816a6a6e6a6a6a64 (1 x CoinMiner, 1 x Rhadamanthys, 1 x Stop)
Reporter Chainskilabs
Tags:exe Stop

Intelligence


File Origin
# of uploads :
2
# of downloads :
251
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
build.exe
Verdict:
Malicious activity
Analysis date:
2023-03-15 03:35:31 UTC
Tags:
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
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
Sending a custom TCP request
Deleting a recently created file
DNS request
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
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware lockbit packed ransomx
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, Clipboard Hijacker, Djvu, Vidar
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found ransom note / readme
Injects a PE file into a foreign processes
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
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Crypto Currency Wallets
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes a notice file (html or txt) to demand a ransom
Writes many files with high entropy
Yara detected Babuk Ransomware
Yara detected Clipboard Hijacker
Yara detected Djvu Ransomware
Yara detected Vidar stealer
Yara detected ZipBomb
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 826784 Sample: build.exe Startdate: 15/03/2023 Architecture: WINDOWS Score: 100 93 Snort IDS alert for network traffic 2->93 95 Multi AV Scanner detection for domain / URL 2->95 97 Malicious sample detected (through community Yara rule) 2->97 99 12 other signatures 2->99 12 build.exe 2->12         started        15 build.exe 2->15         started        17 build.exe 2->17         started        19 2 other processes 2->19 process3 signatures4 111 Detected unpacking (changes PE section rights) 12->111 113 Detected unpacking (overwrites its own PE header) 12->113 115 Writes a notice file (html or txt) to demand a ransom 12->115 117 Writes many files with high entropy 12->117 21 build.exe 1 16 12->21         started        119 Multi AV Scanner detection for dropped file 15->119 121 Injects a PE file into a foreign processes 15->121 25 build.exe 12 15->25         started        27 build.exe 17->27         started        29 build.exe 19->29         started        31 schtasks.exe 19->31         started        process5 dnsIp6 83 api.2ip.ua 162.0.217.254, 443, 49699, 49702 ACPCA Canada 21->83 67 C:\Users\user\AppData\Local\...\build.exe, PE32 21->67 dropped 69 C:\Users\user\...\build.exe:Zone.Identifier, ASCII 21->69 dropped 33 build.exe 21->33         started        36 icacls.exe 21->36         started        38 conhost.exe 31->38         started        file7 process8 signatures9 91 Injects a PE file into a foreign processes 33->91 40 build.exe 1 25 33->40         started        process10 dnsIp11 85 zexeq.com 80.210.25.252, 49703, 49704, 49706 DCI-ASIR Iran (ISLAMIC Republic Of) 40->85 87 uaery.top 40->87 89 api.2ip.ua 40->89 71 C:\Users\user\AppData\Local\...\build3[1].exe, PE32 40->71 dropped 73 C:\Users\user\AppData\Local\...\build2[1].exe, PE32 40->73 dropped 75 C:\_readme.txt, ASCII 40->75 dropped 77 128 other malicious files 40->77 dropped 109 Modifies existing user documents (likely ransomware behavior) 40->109 45 build2.exe 40->45         started        48 build3.exe 40->48         started        file12 signatures13 process14 file15 123 Detected unpacking (changes PE section rights) 45->123 125 Detected unpacking (overwrites its own PE header) 45->125 127 Injects a PE file into a foreign processes 45->127 51 build2.exe 45->51         started        65 C:\Users\user\AppData\Roaming\...\mstsca.exe, PE32 48->65 dropped 129 Uses schtasks.exe or at.exe to add and modify task schedules 48->129 55 schtasks.exe 48->55         started        signatures16 process17 dnsIp18 79 t.me 149.154.167.99, 443, 49707 TELEGRAMRU United Kingdom 51->79 81 195.201.255.32, 49708, 80 HETZNER-ASDE Germany 51->81 101 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 51->101 103 Tries to steal Mail credentials (via file / registry access) 51->103 105 Tries to harvest and steal browser information (history, passwords, etc) 51->105 107 Tries to steal Crypto Currency Wallets 51->107 57 cmd.exe 51->57         started        59 conhost.exe 55->59         started        signatures19 process20 process21 61 conhost.exe 57->61         started        63 timeout.exe 57->63         started       
Threat name:
Win32.Trojan.SmokeLoader
Status:
Malicious
First seen:
2023-03-14 23:31:03 UTC
File Type:
PE (Exe)
Extracted files:
37
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:djvu family:vidar botnet:d6ef050131e7d5a1d595c51613328971 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
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/test1/get.php
https://t.me/zaskullz
https://steamcommunity.com/profiles/76561199486572327
http://135.181.87.234:80
Unpacked files
SH256 hash:
e19d0a4a8970ffe3619f4cd03b71e353e0357243ec6cfbf978138f632bbdadfd
MD5 hash:
b4f3db2b75b05734fe2f9fa10db7efcd
SHA1 hash:
c87ac965e1b3938ce68485d4cd5324ac0accfbd1
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 (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 e19d0a4a8970ffe3619f4cd03b71e353e0357243ec6cfbf978138f632bbdadfd

(this sample)

  
Delivery method
Distributed via web download

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