MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 de319fe12278039b303cc168577005419bb443e13e3558c50059a31327983ce7. 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: 15


Intelligence 15 IOCs YARA 9 File information Comments

SHA256 hash: de319fe12278039b303cc168577005419bb443e13e3558c50059a31327983ce7
SHA3-384 hash: bbb95cd479113ea84f15061342b7b963710cd2008cc7cabc6a50987dc583e3fc5e370c80683c8b712a25d906f0c1de55
SHA1 hash: 5f46f5eb2a8da0e1a0d523b9c4198bc1a4d8b182
MD5 hash: 30fc2818fae728f85b009067581780fa
humanhash: georgia-single-bulldog-mississippi
File name:stealer345.exe
Download: download sample
Signature Stop
File size:805'888 bytes
First seen:2023-05-21 11:17:10 UTC
Last seen:2023-05-21 18:55:23 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash bb27c4958c76443fcfe46f9765d838a2 (9 x Stop, 5 x RedLineStealer, 4 x GCleaner)
ssdeep 12288:KRkCM7GYOOlOI0DwbRqXO3oG5AK67u1fPBzJGYQIFa8rTr17/E3ZV6umT:KRTQZOOlOjUbp3VTbBzJvpFrrTJjT
Threatray 1'827 similar samples on MalwareBazaar
TLSH T19205F12161C1EC72E96A4571CE1AE2F4256FB8E1FF5D1AC723143F6B09701E2DA7A342
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 1b230b0b1a070700 (1 x Stop)
Reporter Neiki
Tags:Stop

Intelligence


File Origin
# of uploads :
5
# of downloads :
121
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
stealer345.exe
Verdict:
Malicious activity
Analysis date:
2023-05-21 11:28:11 UTC
Tags:
ransomware stop loader stealer vidar trojan arkei

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
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
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 packed
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:
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 malware configuration
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample uses process hollowing technique
Snort IDS alert for network traffic
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
Uses known network protocols on non-standard ports
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 Clipboard Hijacker
Yara detected Djvu Ransomware
Yara detected Vidar stealer
Yara detected ZipBomb
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 871595 Sample: stealer345.exe Startdate: 21/05/2023 Architecture: WINDOWS Score: 100 92 Snort IDS alert for network traffic 2->92 94 Multi AV Scanner detection for domain / URL 2->94 96 Found malware configuration 2->96 98 12 other signatures 2->98 11 stealer345.exe 2->11         started        14 stealer345.exe 2->14         started        16 stealer345.exe 2->16         started        18 2 other processes 2->18 process3 signatures4 108 Detected unpacking (changes PE section rights) 11->108 110 Detected unpacking (overwrites its own PE header) 11->110 112 Writes a notice file (html or txt) to demand a ransom 11->112 114 Writes many files with high entropy 11->114 20 stealer345.exe 1 16 11->20         started        116 Multi AV Scanner detection for dropped file 14->116 118 Machine Learning detection for dropped file 14->118 120 Sample uses process hollowing technique 14->120 24 stealer345.exe 14 14->24         started        122 Injects a PE file into a foreign processes 16->122 26 stealer345.exe 16->26         started        28 stealer345.exe 18->28         started        30 schtasks.exe 18->30         started        process5 dnsIp6 76 api.2ip.ua 162.0.217.254, 443, 49701, 49702 ACPCA Canada 20->76 78 192.168.2.1 unknown unknown 20->78 58 C:\Users\user\AppData\...\stealer345.exe, PE32 20->58 dropped 60 C:\Users\...\stealer345.exe:Zone.Identifier, ASCII 20->60 dropped 32 stealer345.exe 20->32         started        35 icacls.exe 20->35         started        80 211.171.233.129, 49710, 80 LGDACOMLGDACOMCorporationKR Korea Republic of 24->80 82 zexeq.com 24->82 37 conhost.exe 30->37         started        file7 process8 signatures9 90 Injects a PE file into a foreign processes 32->90 39 stealer345.exe 1 24 32->39         started        process10 dnsIp11 84 zexeq.com 211.171.233.126, 49704, 49706, 80 LGDACOMLGDACOMCorporationKR Korea Republic of 39->84 86 colisumy.com 211.40.39.251, 49703, 80 LGDACOMLGDACOMCorporationKR Korea Republic of 39->86 88 api.2ip.ua 39->88 62 C:\Users\user\AppData\Local\...\build3[1].exe, PE32 39->62 dropped 64 C:\Users\user\AppData\Local\...\build2[1].exe, PE32 39->64 dropped 66 C:\_readme.txt, ASCII 39->66 dropped 68 131 other malicious files 39->68 dropped 106 Modifies existing user documents (likely ransomware behavior) 39->106 44 build2.exe 39->44         started        47 build3.exe 39->47         started        file12 signatures13 process14 file15 124 Detected unpacking (changes PE section rights) 44->124 126 Detected unpacking (overwrites its own PE header) 44->126 50 build2.exe 44->50         started        70 C:\Users\user\AppData\Roaming\...\mstsca.exe, PE32 47->70 dropped 128 Uses schtasks.exe or at.exe to add and modify task schedules 47->128 54 schtasks.exe 47->54         started        signatures16 process17 dnsIp18 72 t.me 149.154.167.99, 443, 49707 TELEGRAMRU United Kingdom 50->72 74 49.12.115.154, 49708, 8333 HETZNER-ASDE Germany 50->74 100 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 50->100 102 Tries to harvest and steal browser information (history, passwords, etc) 50->102 104 Tries to steal Crypto Currency Wallets 50->104 56 conhost.exe 54->56         started        signatures19 process20
Threat name:
Win32.Trojan.InstaBot
Status:
Malicious
First seen:
2023-05-21 03:49:40 UTC
File Type:
PE (Exe)
Extracted files:
35
AV detection:
20 of 37 (54.05%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:djvu family:vidar botnet:9dfa7ee730fa2f1efb5ed51dbbec22f5 discovery persistence ransomware spyware stealer
Behaviour
Checks processor information in registry
Creates scheduled task(s)
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://steamcommunity.com/profiles/76561199263069598
https://t.me/cybehost
Unpacked files
SH256 hash:
323433aa5db127cd22f84d5c4f862561abecdd7028ace323996ceecb2558561b
MD5 hash:
3a6e53b85b72559d0db268d278a72993
SHA1 hash:
2f57c0d76227473c07bf11d3ab3ff673bdd72562
Detections:
win_stop_auto
SH256 hash:
de319fe12278039b303cc168577005419bb443e13e3558c50059a31327983ce7
MD5 hash:
30fc2818fae728f85b009067581780fa
SHA1 hash:
5f46f5eb2a8da0e1a0d523b9c4198bc1a4d8b182
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:has_telegram_urls
Author:Aaron DeVera<aaron@backchannel.re>
Description:Detects Telegram URLs
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:Telegram_Links
Rule name:Vidar
Author:kevoreilly,rony
Description:Vidar Payload
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.

Comments