MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bf8cc404ed07bc76b18996c161102766ace54b7d961931e94aca144456425caf. 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: 14


Intelligence 14 IOCs YARA 5 File information Comments

SHA256 hash: bf8cc404ed07bc76b18996c161102766ace54b7d961931e94aca144456425caf
SHA3-384 hash: 5261744feb780482b0a2a2a605db2fc5373268520c836d51bd4694357093448115fe7f0f5f76f6cc3d70765fd58a4307
SHA1 hash: f7c8ee2e463709b54c550c8ff962b11fddf53427
MD5 hash: 1e02d53d304fdb6c2c22eb5418f1a151
humanhash: stairway-hotel-cola-earth
File name:bf8cc404ed07bc76b18996c161102766ace54b7d961931e94aca144456425caf
Download: download sample
Signature Stop
File size:830'464 bytes
First seen:2022-03-28 06:16:13 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 6bd64b13624a27b70b577055bad87689 (3 x RedLineStealer, 2 x Stop)
ssdeep 12288:bhKDNJBvvPa9HRDlnCBQ7MSv92OxncufQCSZwSkrJWG4pxtX3i8:FsJ9yDlCOIw/nbMkrJWlHH
Threatray 944 similar samples on MalwareBazaar
TLSH T16C050150BBA0D039F57701F4787A93AC642E79A09B6450CF62D76BDE5A382D0EC7630B
File icon (PE):PE icon
dhash icon b2dacabecee6baa2 (33 x RedLineStealer, 30 x Smoke Loader, 28 x Stop)
Reporter JAMESWT_WT
Tags:exe Stop

Intelligence


File Origin
# of uploads :
1
# of downloads :
199
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
DNS request
Sending a custom TCP request
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
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Query of malicious DNS domain
Enabling autorun by creating a file
Sending an HTTP GET request to an infection source
Result
Malware family:
n/a
Score:
  9/10
Tags:
n/a
Behaviour
MalwareBazaar
MeasuringTime
CPUID_Instruction
SystemUptime
EvasionGetTickCount
EvasionQueryPerformanceCounter
CheckCmdLine
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware packed
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.
Result
Threat name:
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
Contains functionality to inject code into remote processes
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 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 submitted file
Possible FUD Crypter (malicious underground PE packer) detected
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
Tries to steal Mail credentials (via file / registry access)
Yara detected Djvu Ransomware
Yara detected Vidar
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 598034 Sample: 7QjuYVrE8w Startdate: 28/03/2022 Architecture: WINDOWS Score: 100 89 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->89 91 Found malware configuration 2->91 93 Malicious sample detected (through community Yara rule) 2->93 95 11 other signatures 2->95 12 7QjuYVrE8w.exe 2->12         started        15 7QjuYVrE8w.exe 2->15         started        17 7QjuYVrE8w.exe 2->17         started        19 7QjuYVrE8w.exe 2->19         started        process3 signatures4 101 Possible FUD Crypter (malicious underground PE packer) detected 12->101 103 Contains functionality to inject code into remote processes 12->103 105 Injects a PE file into a foreign processes 12->105 21 7QjuYVrE8w.exe 1 16 12->21         started        25 7QjuYVrE8w.exe 12 15->25         started        27 7QjuYVrE8w.exe 12 17->27         started        29 7QjuYVrE8w.exe 19->29         started        process5 dnsIp6 83 api.2ip.ua 162.0.218.244, 443, 49775, 49776 ACPCA Canada 21->83 65 C:\Users\...\7QjuYVrE8w.exe:Zone.Identifier, ASCII 21->65 dropped 67 C:\Users\user\AppData\...\7QjuYVrE8w.exe, MS-DOS 21->67 dropped 31 7QjuYVrE8w.exe 21->31         started        34 icacls.exe 21->34         started        85 192.168.2.1 unknown unknown 25->85 file7 process8 signatures9 115 Injects a PE file into a foreign processes 31->115 36 7QjuYVrE8w.exe 1 23 31->36         started        process10 dnsIp11 77 fuyt.org 187.212.178.117, 49777, 49782, 80 UninetSAdeCVMX Mexico 36->77 79 zerit.top 222.236.49.124, 49778, 80 SKB-ASSKBroadbandCoLtdKR Korea Republic of 36->79 81 api.2ip.ua 36->81 57 C:\Users\user\AppData\Local\...\build2[1].exe, PE32 36->57 dropped 59 C:\_readme.txt, ASCII 36->59 dropped 61 C:\Users\user\...\setup.exe.eyrv (copy), MS-DOS 36->61 dropped 63 7 other files (5 malicious) 36->63 dropped 97 Modifies existing user documents (likely ransomware behavior) 36->97 41 build2.exe 36->41         started        file12 signatures13 process14 signatures15 99 Injects a PE file into a foreign processes 41->99 44 build2.exe 41->44         started        process16 dnsIp17 87 5.252.21.17, 49787, 80 FIRSTDC-ASRU Russian Federation 44->87 69 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 44->69 dropped 71 C:\Users\user\AppData\...\softokn3[1].dll, PE32 44->71 dropped 73 C:\Users\user\AppData\...\freebl3[1].dll, PE32 44->73 dropped 75 9 other files (none is malicious) 44->75 dropped 107 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 44->107 109 Tries to steal Mail credentials (via file / registry access) 44->109 111 Tries to harvest and steal browser information (history, passwords, etc) 44->111 113 Tries to steal Crypto Currency Wallets 44->113 49 cmd.exe 44->49         started        file18 signatures19 process20 process21 51 conhost.exe 49->51         started        53 taskkill.exe 49->53         started        55 timeout.exe 49->55         started       
Threat name:
Win32.Ransomware.StopCrypt
Status:
Malicious
First seen:
2022-03-20 06:39:55 UTC
File Type:
PE (Exe)
Extracted files:
33
AV detection:
25 of 26 (96.15%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:djvu ransomware
Behaviour
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Detected Djvu ransomware
Djvu Ransomware
Malware Config
C2 Extraction:
http://fuyt.org/test1/get.php
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.
Rule name:XOREngine_Misc_XOR_Func
Author:smiller cc @florian @wesley idea on implementation with yara's built in XOR function
Description:Use with care, https://twitter.com/cyb3rops/status/1237042104406355968

File information


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

Comments