MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2027503755cd5d8fad6af24071640dd5cfa7925c980f22dd23ab2ca5b1b24391. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments

SHA256 hash: 2027503755cd5d8fad6af24071640dd5cfa7925c980f22dd23ab2ca5b1b24391
SHA3-384 hash: 0a3caaf5cc45030d2209246cb9237a0c1dbeec43065dbe3a382c124d6838cd858d1359b10c85e977043894d2ae3e044a
SHA1 hash: 1fef2aa0cb6546b312b158d7b0c3d811a089dfad
MD5 hash: 8176386ab727ec426f3d76f0ee3111e3
humanhash: colorado-red-solar-spaghetti
File name:SecuriteInfo.com.W32.AIDetect.malware1.6741.17317
Download: download sample
Signature Stop
File size:755'712 bytes
First seen:2021-07-03 23:37:56 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 0760b4351aea3a041b7d697c921cb850 (3 x DarkVNC, 2 x RaccoonStealer, 1 x ArkeiStealer)
ssdeep 12288:e7w2DTcxSRppaCa5QHlBC8DP8FSUyEjehPopO1uUYHRp9iTCH+wBa/:edDwaB9HlBFUF2kO1BicCHo/
TLSH ECF423767982C033E05144725E74C297BE7ABEB382A59E0BB3171A5C4F763C29E71316
Reporter SecuriteInfoCom
Tags:exe Stop

Intelligence


File Origin
# of uploads :
1
# of downloads :
124
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.W32.AIDetect.malware1.6741.17317
Verdict:
Suspicious activity
Analysis date:
2021-07-03 23:41:17 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
UNKNOWN
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:
Djvu Vidar
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
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 many strings related to Crypto-Wallets (likely being stolen)
Found ransom note / readme
Injects a PE file into a foreign processes
Machine Learning detection for sample
Modifies existing user documents (likely ransomware behavior)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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
Writes many files with high entropy
Yara detected Djvu Ransomware
Yara detected Vidar
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 443885 Sample: SecuriteInfo.com.W32.AIDete... Startdate: 04/07/2021 Architecture: WINDOWS Score: 100 85 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->85 87 Multi AV Scanner detection for domain / URL 2->87 89 Found malware configuration 2->89 91 9 other signatures 2->91 12 SecuriteInfo.com.W32.AIDetect.malware1.6741.exe 2->12         started        15 SecuriteInfo.com.W32.AIDetect.malware1.6741.exe 2->15         started        process3 signatures4 101 Detected unpacking (changes PE section rights) 12->101 103 Detected unpacking (overwrites its own PE header) 12->103 105 Writes many files with high entropy 12->105 17 SecuriteInfo.com.W32.AIDetect.malware1.6741.exe 1 18 12->17         started        107 Contains functionality to inject code into remote processes 15->107 109 Injects a PE file into a foreign processes 15->109 21 SecuriteInfo.com.W32.AIDetect.malware1.6741.exe 13 15->21         started        process5 dnsIp6 67 api.2ip.ua 77.123.139.190, 443, 49713, 49719 VOLIA-ASUA Ukraine 17->67 49 SecuriteInfo.com.W...exe:Zone.Identifier, ASCII 17->49 dropped 23 SecuriteInfo.com.W32.AIDetect.malware1.6741.exe 17->23         started        26 icacls.exe 17->26         started        file7 process8 signatures9 99 Injects a PE file into a foreign processes 23->99 28 SecuriteInfo.com.W32.AIDetect.malware1.6741.exe 1 23 23->28         started        process10 dnsIp11 73 astdg.top 152.171.10.3, 49722, 80 TelecomArgentinaSAAR Argentina 28->73 75 dgos.top 8.209.113.181, 49723, 80 CNNIC-ALIBABA-US-NET-APAlibabaUSTechnologyCoLtdC Singapore 28->75 77 2 other IPs or domains 28->77 59 C:\Users\user\AppData\Local\...\build2.exe, PE32 28->59 dropped 61 C:\Users\user\...\settingssynonyms.txt, DOS 28->61 dropped 63 C:\Users\user\...\UnistackCritical.etl, DOS 28->63 dropped 65 184 other files (175 malicious) 28->65 dropped 111 Modifies existing user documents (likely ransomware behavior) 28->111 33 build2.exe 28->33         started        file12 signatures13 process14 signatures15 79 Detected unpacking (changes PE section rights) 33->79 81 Detected unpacking (overwrites its own PE header) 33->81 83 Injects a PE file into a foreign processes 33->83 36 build2.exe 33->36         started        process16 dnsIp17 69 157.90.127.76, 49728, 80 REDIRISRedIRISAutonomousSystemES United States 36->69 71 sergeevih43.tumblr.com 74.114.154.22, 443, 49727 AUTOMATTICUS Canada 36->71 51 C:\Users\user\AppData\...\softokn3[1].dll, PE32 36->51 dropped 53 C:\Users\user\AppData\...\freebl3[1].dll, PE32 36->53 dropped 55 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 36->55 dropped 57 9 other files (none is malicious) 36->57 dropped 93 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 36->93 95 Tries to harvest and steal browser information (history, passwords, etc) 36->95 97 Tries to steal Crypto Currency Wallets 36->97 41 cmd.exe 36->41         started        file18 signatures19 process20 process21 43 conhost.exe 41->43         started        45 taskkill.exe 41->45         started        47 timeout.exe 41->47         started       
Threat name:
Win32.Trojan.Azorult
Status:
Malicious
First seen:
2021-07-03 22:21:25 UTC
File Type:
PE (Exe)
Extracted files:
10
AV detection:
23 of 46 (50.00%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:vidar discovery persistence ransomware spyware stealer
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Kills process with taskkill
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
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
Loads dropped DLL
Modifies file permissions
Reads user/profile data of web browsers
Downloads MZ/PE file
Executes dropped EXE
Modifies extensions of user files
Vidar Stealer
Vidar
Unpacked files
SH256 hash:
2027503755cd5d8fad6af24071640dd5cfa7925c980f22dd23ab2ca5b1b24391
MD5 hash:
8176386ab727ec426f3d76f0ee3111e3
SHA1 hash:
1fef2aa0cb6546b312b158d7b0c3d811a089dfad
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:SUSP_XORed_URL_in_EXE
Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Stop

Executable exe 2027503755cd5d8fad6af24071640dd5cfa7925c980f22dd23ab2ca5b1b24391

(this sample)

  
Delivery method
Distributed via web download

Comments