MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2b6cf67c2d527d307549b1c6c9206f5213d5315c7c5c5cc4705ff5f1b6e806e0. 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: 16


Intelligence 16 IOCs YARA 11 File information Comments

SHA256 hash: 2b6cf67c2d527d307549b1c6c9206f5213d5315c7c5c5cc4705ff5f1b6e806e0
SHA3-384 hash: 9b4d679561bf8ca4a1019df84dd54b665b21be79bfa5e0b2c5b54c86d6eddf78bba4c832ce04a04b29bb7201c5ad29fa
SHA1 hash: 1e4e6fdcb8f6a1367b1fc282e679640b71730869
MD5 hash: fe2c2a994e5b6ee6a7e07a7644a685ef
humanhash: zulu-november-beer-moon
File name:setup.exe
Download: download sample
Signature Stop
File size:880'640 bytes
First seen:2023-04-17 00:18:43 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash eb82d918f96f2f58cf83ea5d1467cbf7 (1 x Tofsee, 1 x Amadey, 1 x RedLineStealer)
ssdeep 12288:cV63gMEiIOrDiWvrXZbZXFCR+tGL2v/lZN6ThNI1akIl5X27Eg0:cE3ry5WzXZvF36ThKQBllcEg0
Threatray 1'674 similar samples on MalwareBazaar
TLSH T12615E11263A2687CD5224A718E1AC6B4361FF6205F577BDB37594A3F1A302E1C672FC8
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 050c28090b011501 (1 x Stop)
Reporter Chainskilabs
Tags:exe Stop

Intelligence


File Origin
# of uploads :
1
# of downloads :
264
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
setup.exe
Verdict:
Malicious activity
Analysis date:
2023-04-17 00:21:37 UTC
Tags:
loader ransomware stop stealer vidar trojan

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

Behaviour
Searching for the window
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
Deleting a recently created file
Searching for synchronization primitives
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:
MALICIOUS
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:
Babuk, 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
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 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 Babuk Ransomware
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: 847836 Sample: setup.exe Startdate: 17/04/2023 Architecture: WINDOWS Score: 100 91 Snort IDS alert for network traffic 2->91 93 Multi AV Scanner detection for domain / URL 2->93 95 Found malware configuration 2->95 97 11 other signatures 2->97 12 setup.exe 2->12         started        15 setup.exe 2->15         started        17 setup.exe 2->17         started        19 4 other processes 2->19 process3 signatures4 117 Detected unpacking (changes PE section rights) 12->117 119 Detected unpacking (overwrites its own PE header) 12->119 121 Writes a notice file (html or txt) to demand a ransom 12->121 123 Writes many files with high entropy 12->123 21 setup.exe 1 18 12->21         started        125 Injects a PE file into a foreign processes 17->125 25 setup.exe 17->25         started        27 setup.exe 19->27         started        29 schtasks.exe 19->29         started        process5 dnsIp6 81 api.2ip.ua 162.0.217.254, 443, 49692, 49693 ACPCA Canada 21->81 63 C:\Users\user\...\setup.exe:Zone.Identifier, ASCII 21->63 dropped 65 C:\Users\user\AppData\Local\...\setup.exe, MS-DOS 21->65 dropped 31 setup.exe 21->31         started        34 icacls.exe 21->34         started        83 192.168.2.1 unknown unknown 25->83 36 conhost.exe 29->36         started        file7 process8 signatures9 127 Injects a PE file into a foreign processes 31->127 38 setup.exe 1 25 31->38         started        process10 dnsIp11 85 zexeq.com 187.170.146.118, 49695, 49696, 80 UninetSAdeCVMX Mexico 38->85 87 uaery.top 190.229.19.7, 49694, 80 TelecomArgentinaSAAR Argentina 38->87 89 api.2ip.ua 38->89 67 C:\Users\user\AppData\Local\...\build2[1].exe, PE32 38->67 dropped 69 C:\Users\user\AppData\Local\...\build2.exe, PE32 38->69 dropped 71 C:\_readme.txt, ASCII 38->71 dropped 73 282 other malicious files 38->73 dropped 105 Modifies existing user documents (likely ransomware behavior) 38->105 43 build2.exe 38->43         started        46 build3.exe 1 38->46         started        file12 signatures13 process14 file15 107 Multi AV Scanner detection for dropped file 43->107 109 Detected unpacking (changes PE section rights) 43->109 111 Detected unpacking (overwrites its own PE header) 43->111 115 2 other signatures 43->115 49 build2.exe 5 43->49         started        75 C:\Users\user\AppData\Roaming\...\mstsca.exe, PE32 46->75 dropped 113 Uses schtasks.exe or at.exe to add and modify task schedules 46->113 53 schtasks.exe 46->53         started        signatures16 process17 dnsIp18 77 195.201.44.70, 49703, 80 HETZNER-ASDE Germany 49->77 79 t.me 149.154.167.99, 443, 49702 TELEGRAMRU United Kingdom 49->79 99 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 49->99 101 Tries to harvest and steal browser information (history, passwords, etc) 49->101 103 Tries to steal Crypto Currency Wallets 49->103 55 cmd.exe 49->55         started        57 conhost.exe 53->57         started        signatures19 process20 process21 59 conhost.exe 55->59         started        61 timeout.exe 55->61         started       
Result
Malware family:
Score:
  10/10
Tags:
family:djvu family:vidar botnet:623db25256a5734d1207787d269d05b2 discovery persistence ransomware spyware stealer
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Checks processor information in registry
Creates scheduled task(s)
Delays execution with timeout.exe
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
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/raud/get.php
https://steamcommunity.com/profiles/76561199494593681
https://t.me/auftriebs
Unpacked files
SH256 hash:
e892084cb3f248bef2d7d389f5ff494e177a9e40d3ff4e85d7645239da7e1f3d
MD5 hash:
9799764aa55979bbf3832c6de0e08a0b
SHA1 hash:
1af687cee76a364cb14e16232cb85a4c46099f0d
Detections:
win_stop_auto
SH256 hash:
2b6cf67c2d527d307549b1c6c9206f5213d5315c7c5c5cc4705ff5f1b6e806e0
MD5 hash:
fe2c2a994e5b6ee6a7e07a7644a685ef
SHA1 hash:
1e4e6fdcb8f6a1367b1fc282e679640b71730869
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:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:has_telegram_urls
Author:Aaron DeVera<aaron@backchannel.re>
Description:Detects Telegram URLs
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
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: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.
Rule name:win_vidar_a_a901
Author:Johannes Bader
Description:detect unpacked Vidar samples

File information


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

Web download

Stop

Executable exe 2b6cf67c2d527d307549b1c6c9206f5213d5315c7c5c5cc4705ff5f1b6e806e0

(this sample)

  
Delivery method
Distributed via web download

Comments