MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d261b4772345ed33f9e1d0795f312ab317d55ac1ff83cf226990c42941d7c094. 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: 12


Intelligence 12 IOCs YARA 4 File information Comments

SHA256 hash: d261b4772345ed33f9e1d0795f312ab317d55ac1ff83cf226990c42941d7c094
SHA3-384 hash: 9b86c09b590ff25af06477650e884f63c3d5aad411741b61c30cc1d9c1ca5736b788769ee6f2b0793dab8a9fb4482d23
SHA1 hash: c9795f72a57a520b1fc7ff42b78ba3a1e61c0029
MD5 hash: 5dcc968f0c93aa0991bf0e4f37ed58df
humanhash: six-fish-six-summer
File name:d261b4772345ed33f9e1d0795f312ab317d55ac1ff83cf226990c42941d7c094
Download: download sample
Signature Stop
File size:810'560 bytes
First seen:2021-09-08 09:07:10 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 8bccdad7743fdd57e0a7b3bec87ab2cd (5 x RaccoonStealer, 2 x Stop, 1 x Amadey)
ssdeep 12288:LQFhXQw116BxcXakrM9beas5Hm7fGcAdFpkLwIeBPlzXoYs9oBNCLPkB:kFhvhXvGssfGcsv3b3lNCLPkB
Threatray 565 similar samples on MalwareBazaar
TLSH T158050120B690C035E4F311F459BA93B8B9387EB1A73450CB62C63AEE5A342F5AD31757
dhash icon 60e8e8e8aa66a499 (24 x RaccoonStealer, 14 x RedLineStealer, 7 x Smoke Loader)
Reporter JAMESWT_WT
Tags:exe Stop

Intelligence


File Origin
# of uploads :
1
# of downloads :
118
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
d261b4772345ed33f9e1d0795f312ab317d55ac1ff83cf226990c42941d7c094
Verdict:
Suspicious activity
Analysis date:
2021-09-08 09:12:49 UTC
Tags:
installer

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
DNS request
Connection attempt
Sending a custom TCP request
Creating a file
Launching a process
Creating a process with a hidden window
Adding an access-denied ACE
Deleting a recently created file
Sending an HTTP GET request
Sending a UDP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Query of malicious DNS domain
Enabling autorun by creating a file
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)
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 dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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
Yara detected Djvu Ransomware
Yara detected Vidar
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 479672 Sample: xlwtS8ezNr Startdate: 08/09/2021 Architecture: WINDOWS Score: 100 62 api.2ip.ua 2->62 80 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->80 82 Antivirus detection for URL or domain 2->82 84 Multi AV Scanner detection for dropped file 2->84 86 8 other signatures 2->86 11 xlwtS8ezNr.exe 2->11         started        14 xlwtS8ezNr.exe 2->14         started        16 xlwtS8ezNr.exe 2->16         started        signatures3 process4 signatures5 102 Detected unpacking (changes PE section rights) 11->102 104 Contains functionality to inject code into remote processes 11->104 106 Injects a PE file into a foreign processes 11->106 18 xlwtS8ezNr.exe 1 17 11->18         started        108 Machine Learning detection for dropped file 14->108 22 xlwtS8ezNr.exe 13 14->22         started        24 xlwtS8ezNr.exe 12 16->24         started        process6 dnsIp7 64 api.2ip.ua 77.123.139.190, 443, 49713, 49714 VOLIA-ASUA Ukraine 18->64 66 192.168.2.1 unknown unknown 18->66 50 C:\Users\user\AppData\...\xlwtS8ezNr.exe, PE32 18->50 dropped 52 C:\Users\...\xlwtS8ezNr.exe:Zone.Identifier, ASCII 18->52 dropped 26 xlwtS8ezNr.exe 18->26         started        29 icacls.exe 18->29         started        file8 process9 signatures10 100 Injects a PE file into a foreign processes 26->100 31 xlwtS8ezNr.exe 1 21 26->31         started        process11 dnsIp12 72 securebiz.org 189.232.6.62, 49715, 80 UninetSAdeCVMX Mexico 31->72 74 astdg.top 31->74 76 api.2ip.ua 31->76 44 C:\Users\user\AppData\Local\...\build2.exe, PE32 31->44 dropped 46 C:\Users\user\AppData\Local\...\build2[1].exe, PE32 31->46 dropped 48 C:\_readme.txt, ASCII 31->48 dropped 78 Tries to harvest and steal browser information (history, passwords, etc) 31->78 36 build2.exe 31->36         started        file13 signatures14 process15 signatures16 88 Detected unpacking (changes PE section rights) 36->88 90 Machine Learning detection for dropped file 36->90 92 Injects a PE file into a foreign processes 36->92 39 build2.exe 36->39         started        process17 dnsIp18 68 gheorghip.tumblr.com 74.114.154.18, 443, 49718 AUTOMATTICUS Canada 39->68 70 162.55.179.90, 49719, 80 ACPCA United States 39->70 54 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 39->54 dropped 56 C:\Users\user\AppData\...\vcruntime140[1].dll, PE32 39->56 dropped 58 C:\Users\user\AppData\...\mozglue[1].dll, PE32 39->58 dropped 60 9 other files (none is malicious) 39->60 dropped 94 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 39->94 96 Tries to harvest and steal browser information (history, passwords, etc) 39->96 98 Tries to steal Crypto Currency Wallets 39->98 file19 signatures20
Threat name:
Win32.Trojan.Racoon
Status:
Malicious
First seen:
2021-09-05 07:17:00 UTC
File Type:
PE (Exe)
Extracted files:
19
AV detection:
33 of 45 (73.33%)
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
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 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
Accesses 2FA software files, possible credential harvesting
Loads dropped DLL
Modifies file permissions
Reads user/profile data of web browsers
Downloads MZ/PE file
Executes dropped EXE
Vidar Stealer
Detected Djvu ransomeware
Djvu Ransomware
Vidar
Malware Config
C2 Extraction:
https://gheorghip.tumblr.com/
Unpacked files
SH256 hash:
318b3878501bc3fe6abb68d943779716a558a30998aa252b6d7773f952947bc9
MD5 hash:
56384e2f613dd565bc783c215e7f20ba
SHA1 hash:
aa1bf8ad309f1721222dc1c8bf700f69040ea876
Detections:
win_stop_auto
SH256 hash:
d261b4772345ed33f9e1d0795f312ab317d55ac1ff83cf226990c42941d7c094
MD5 hash:
5dcc968f0c93aa0991bf0e4f37ed58df
SHA1 hash:
c9795f72a57a520b1fc7ff42b78ba3a1e61c0029
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
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: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.

Comments