MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b9d3baecec2bc332785de9bb940c6ec3c28a3aa077af7ff9c1e7f3dee7a39223. 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 7 File information Comments

SHA256 hash: b9d3baecec2bc332785de9bb940c6ec3c28a3aa077af7ff9c1e7f3dee7a39223
SHA3-384 hash: 0e573a0819ce436742bbb578b11cacf26c87ae814a16757a17632668b829c6596b0dc7e1a136caa707b11eb6ee99437f
SHA1 hash: 9249efe6e10b5c202f12349afd57f2011089ebff
MD5 hash: f2ce45cda08cefde3dd8fd99d142ab21
humanhash: artist-fanta-mirror-zebra
File name:setup.exe
Download: download sample
Signature Stop
File size:710'656 bytes
First seen:2023-04-03 11:39:22 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 0ee9a5ef4366f789036d2435034645ed (4 x Stop, 2 x Rhadamanthys, 2 x DanaBot)
ssdeep 12288:GiNsiC8NdT28cri9g/d4zHWug9v6ZdSDDD1YRkt4+Ne:GiNsihSriq14u+QvDeRIvk
TLSH T17DE41221BAF0C0B7E423C8B86436E675A67FF92187AAE5D7331807695E321C17E71319
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 009584c8a4988801 (1 x Stop)
Reporter Chainskilabs
Tags:exe Stop

Intelligence


File Origin
# of uploads :
1
# of downloads :
235
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
setup.exe
Verdict:
Malicious activity
Analysis date:
2023-04-03 11:40:54 UTC
Tags:
ransomware stop loader 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
Result
Malware family:
n/a
Score:
  9/10
Tags:
n/a
Behaviour
MalwareBazaar
SystemUptime
MeasuringTime
CPUID_Instruction
CheckCmdLine
EvasionGetTickCount
EvasionQueryPerformanceCounter
Verdict:
Suspicious
Threat level:
  5/10
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:
Babuk, Clipboard Hijacker, Djvu
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 ransom note / readme
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies existing user documents (likely ransomware behavior)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
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 ZipBomb
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 840489 Sample: setup.exe Startdate: 04/04/2023 Architecture: WINDOWS Score: 100 68 Snort IDS alert for network traffic 2->68 70 Malicious sample detected (through community Yara rule) 2->70 72 Antivirus detection for URL or domain 2->72 74 9 other signatures 2->74 11 setup.exe 2->11         started        14 mstsca.exe 2->14         started        16 setup.exe 2->16         started        process3 signatures4 80 Detected unpacking (changes PE section rights) 11->80 82 Detected unpacking (overwrites its own PE header) 11->82 84 Writes a notice file (html or txt) to demand a ransom 11->84 86 2 other signatures 11->86 18 setup.exe 1 16 11->18         started        22 schtasks.exe 1 14->22         started        process5 dnsIp6 58 api.2ip.ua 162.0.217.254, 443, 49696, 49697 ACPCA Canada 18->58 52 C:\Users\user\...\setup.exe:Zone.Identifier, ASCII 18->52 dropped 54 C:\Users\user\AppData\Local\...\setup.exe, MS-DOS 18->54 dropped 24 setup.exe 18->24         started        27 icacls.exe 18->27         started        29 conhost.exe 22->29         started        file7 process8 signatures9 78 Injects a PE file into a foreign processes 24->78 31 setup.exe 1 25 24->31         started        process10 dnsIp11 60 zexeq.com 109.98.58.98, 49698, 49700, 80 RTDBucharestRomaniaRO Romania 31->60 62 uaery.top 190.141.123.88, 49699, 80 CableOndaPA Panama 31->62 64 api.2ip.ua 31->64 44 C:\Users\user\AppData\Local\...\build3[1].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 50 134 other malicious files 31->50 dropped 66 Modifies existing user documents (likely ransomware behavior) 31->66 36 build3.exe 1 31->36         started        file12 signatures13 process14 file15 56 C:\Users\user\AppData\Roaming\...\mstsca.exe, PE32 36->56 dropped 76 Uses schtasks.exe or at.exe to add and modify task schedules 36->76 40 schtasks.exe 1 36->40         started        signatures16 process17 process18 42 conhost.exe 40->42         started       
Threat name:
Win32.Trojan.SmokeLoader
Status:
Malicious
First seen:
2023-04-03 11:40:08 UTC
File Type:
PE (Exe)
Extracted files:
16
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:djvu family:vidar botnet:5df88deb5dde677ba658b77ad5f60248 discovery persistence ransomware spyware stealer
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Delays execution with timeout.exe
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
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/test2/get.php
https://steamcommunity.com/profiles/76561199489580435
https://t.me/tabootalks
Unpacked files
SH256 hash:
b9d3baecec2bc332785de9bb940c6ec3c28a3aa077af7ff9c1e7f3dee7a39223
MD5 hash:
f2ce45cda08cefde3dd8fd99d142ab21
SHA1 hash:
9249efe6e10b5c202f12349afd57f2011089ebff
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:pdb_YARAify
Author:@wowabiy314
Description:PDB
Rule name:Suspicious_Macro_Presence
Author:Mehmet Ali Kerimoglu (CYB3RMX)
Description:This rule detects common malicious/suspicious implementations.
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: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.

Web download

Stop

Executable exe b9d3baecec2bc332785de9bb940c6ec3c28a3aa077af7ff9c1e7f3dee7a39223

(this sample)

  
Delivery method
Distributed via web download

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