MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 80b466356d8bf0d46cdf2b592edf646050e9617902a5efdb3a4a3ceba8c6856b. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments

SHA256 hash: 80b466356d8bf0d46cdf2b592edf646050e9617902a5efdb3a4a3ceba8c6856b
SHA3-384 hash: cfd726ec626a1cca8db5c4f9d63f5813989c19705eb84e0de7e293aad3397a9891f34eb3a40893b400c5f6f0fe0893ad
SHA1 hash: 41a14e89089e0bd85b4e9c61bdb17abdd70eb0b4
MD5 hash: 8b57e3d9d1390965bb10341f2f086c9b
humanhash: orange-don-delta-coffee
File name:80b466356d8bf0d46cdf2b592edf646050e9617902a5efdb3a4a3ceba8c6856b
Download: download sample
Signature Stop
File size:810'496 bytes
First seen:2021-09-06 06:39:58 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 4dcb3c3a3fe5e134dd41266130cc79d2 (6 x RaccoonStealer, 4 x RedLineStealer, 3 x Tofsee)
ssdeep 24576:0Bqh0O7buQ0X3Pi7gRK0GxabKWOgpV/3:0POGRnP/AxawgpV
Threatray 503 similar samples on MalwareBazaar
TLSH T14B05F130AB90C035E0F742F855B683BDB93ABAB1573440CF62D51AEE5634AE5AD30B47
dhash icon ead8ac9cc6e68ea0 (38 x RaccoonStealer, 18 x RedLineStealer, 12 x Smoke Loader)
Reporter JAMESWT_WT
Tags:exe Stop

Intelligence


File Origin
# of uploads :
1
# of downloads :
122
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
80b466356d8bf0d46cdf2b592edf646050e9617902a5efdb3a4a3ceba8c6856b
Verdict:
Suspicious activity
Analysis date:
2021-09-06 06:44:12 UTC
Tags:
n/a

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

Behaviour
Sending a custom TCP request
Creating a window
Unauthorized injection to a recently created process
DNS request
Connection attempt
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 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: 478301 Sample: SaWrzqO8jT Startdate: 06/09/2021 Architecture: WINDOWS Score: 100 88 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->88 90 Multi AV Scanner detection for domain / URL 2->90 92 Antivirus detection for URL or domain 2->92 94 7 other signatures 2->94 11 SaWrzqO8jT.exe 2->11         started        14 SaWrzqO8jT.exe 2->14         started        16 SaWrzqO8jT.exe 2->16         started        18 SaWrzqO8jT.exe 2->18         started        process3 signatures4 104 Detected unpacking (changes PE section rights) 11->104 106 Contains functionality to inject code into remote processes 11->106 108 Writes many files with high entropy 11->108 20 SaWrzqO8jT.exe 1 16 11->20         started        110 Injects a PE file into a foreign processes 14->110 24 SaWrzqO8jT.exe 12 14->24         started        26 SaWrzqO8jT.exe 12 16->26         started        28 SaWrzqO8jT.exe 18->28         started        process5 dnsIp6 84 api.2ip.ua 77.123.139.190, 443, 49701, 49704 VOLIA-ASUA Ukraine 20->84 72 C:\Users\...\SaWrzqO8jT.exe:Zone.Identifier, ASCII 20->72 dropped 30 SaWrzqO8jT.exe 20->30         started        33 icacls.exe 20->33         started        86 192.168.2.1 unknown unknown 28->86 file7 process8 signatures9 112 Injects a PE file into a foreign processes 30->112 35 SaWrzqO8jT.exe 1 20 30->35         started        40 conhost.exe 30->40         started        42 taskkill.exe 30->42         started        44 timeout.exe 30->44         started        process10 dnsIp11 78 securebiz.org 218.233.73.201, 49706, 80 SKB-ASSKBroadbandCoLtdKR Korea Republic of 35->78 80 astdg.top 35->80 82 api.2ip.ua 35->82 64 C:\...\MediaDb.v1.sqlite-wal.orkf (copy), DOS 35->64 dropped 66 C:\Users\user\AppData\Local\...\build2.exe, PE32 35->66 dropped 68 C:\Users\user\...\MediaDb.v1.sqlite-wal, DOS 35->68 dropped 70 410 other files (392 malicious) 35->70 dropped 102 Modifies existing user documents (likely ransomware behavior) 35->102 46 build2.exe 35->46         started        file12 signatures13 process14 signatures15 114 Detected unpacking (changes PE section rights) 46->114 116 Writes many files with high entropy 46->116 118 Injects a PE file into a foreign processes 46->118 49 build2.exe 46->49         started        process16 dnsIp17 74 49.12.198.69, 49710, 80 HETZNER-ASDE Germany 49->74 76 romkaxarit.tumblr.com 74.114.154.22, 443, 49709 AUTOMATTICUS Canada 49->76 56 d06ed635-68f6-4e9a...57b9a9162440493.zip, Zip 49->56 dropped 58 C:\Users\user\AppData\...\softokn3[1].dll, PE32 49->58 dropped 60 C:\Users\user\AppData\...\mozglue[1].dll, PE32 49->60 dropped 62 10 other files (none is malicious) 49->62 dropped 96 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 49->96 98 Tries to harvest and steal browser information (history, passwords, etc) 49->98 100 Tries to steal Crypto Currency Wallets 49->100 54 cmd.exe 49->54         started        file18 signatures19 process20
Threat name:
Win32.Trojan.Fragtor
Status:
Malicious
First seen:
2021-08-26 03:47:00 UTC
File Type:
PE (Exe)
Extracted files:
2
AV detection:
33 of 43 (76.74%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:djvu family:vidar botnet:517 discovery persistence ransomware spyware stealer suricata
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
Vidar Stealer
Detected Djvu ransomeware
Djvu Ransomware
Vidar
suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)
suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload
suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil
Malware Config
C2 Extraction:
https://romkaxarit.tumblr.com/
Unpacked files
SH256 hash:
80b466356d8bf0d46cdf2b592edf646050e9617902a5efdb3a4a3ceba8c6856b
MD5 hash:
8b57e3d9d1390965bb10341f2f086c9b
SHA1 hash:
41a14e89089e0bd85b4e9c61bdb17abdd70eb0b4
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.

Comments