MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bd891401a7a966a3c5c35f9e6c6c48a27a45d7690c3969c7517e0acc868eda97. 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: 17


Intelligence 17 IOCs YARA 7 File information Comments

SHA256 hash: bd891401a7a966a3c5c35f9e6c6c48a27a45d7690c3969c7517e0acc868eda97
SHA3-384 hash: 7f28ba41b3af4cee1f985a8bc940e449bdbe847a1a7252930b919c428d06eb4e89c372b7556a8e511eca6d8498ae657c
SHA1 hash: d1f27d9795a8892c804e6c58b97594851ef59695
MD5 hash: 76b6cd8b88a7ee8453cfc3deb30fbd42
humanhash: vegan-crazy-bravo-paris
File name:setup.exe
Download: download sample
Signature Stop
File size:711'680 bytes
First seen:2023-04-04 01:09:41 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 15da9c7894302c146365c10904778942 (4 x Stop, 2 x Smoke Loader, 2 x Rhadamanthys)
ssdeep 12288:ppjL1RreLV4ff8AhY9+c7/ZpIPdVIK50clwTjQQ5DLiIj:p9LeLVcfNh7c7x2MMTQRL
TLSH T163E412107971C0B3F207C8B524709B66BA7E79B05B64C5D763A90B3E0D762C2AF7532A
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 00a6d66432120282 (1 x Stop)
Reporter Chainskilabs
Tags:exe Stop

Intelligence


File Origin
# of uploads :
1
# of downloads :
256
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
setup.exe
Verdict:
Malicious activity
Analysis date:
2023-04-04 01:11:14 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
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
CPUID_Instruction
MeasuringTime
EvasionGetTickCount
EvasionQueryPerformanceCounter
CheckCmdLine
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
80%
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:
Clipboard Hijacker, Djvu, HTMLPhisher, V
Detection:
malicious
Classification:
rans.phis.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 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 Clipboard Hijacker
Yara detected Djvu Ransomware
Yara detected HtmlPhish10
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 840535 Sample: setup.exe Startdate: 04/04/2023 Architecture: WINDOWS Score: 100 82 Snort IDS alert for network traffic 2->82 84 Multi AV Scanner detection for domain / URL 2->84 86 Malicious sample detected (through community Yara rule) 2->86 88 10 other signatures 2->88 11 setup.exe 2->11         started        14 setup.exe 2->14         started        16 setup.exe 2->16         started        18 3 other processes 2->18 process3 signatures4 100 Detected unpacking (changes PE section rights) 11->100 102 Detected unpacking (overwrites its own PE header) 11->102 104 Writes a notice file (html or txt) to demand a ransom 11->104 106 Writes many files with high entropy 11->106 20 setup.exe 1 16 11->20         started        24 BackgroundTransferHost.exe 11->24         started        108 Injects a PE file into a foreign processes 16->108 26 setup.exe 16->26         started        28 setup.exe 18->28         started        process5 dnsIp6 76 api.2ip.ua 162.0.217.254, 443, 49695, 49696 ACPCA Canada 20->76 64 C:\Users\user\...\setup.exe:Zone.Identifier, ASCII 20->64 dropped 66 C:\Users\user\AppData\Local\...\setup.exe, MS-DOS 20->66 dropped 30 setup.exe 20->30         started        33 icacls.exe 20->33         started        file7 process8 signatures9 110 Injects a PE file into a foreign processes 30->110 35 setup.exe 1 24 30->35         started        process10 dnsIp11 70 zexeq.com 190.229.19.7, 49698, 49699, 80 TelecomArgentinaSAAR Argentina 35->70 72 uaery.top 211.40.39.251, 49697, 80 LGDACOMLGDACOMCorporationKR Korea Republic of 35->72 74 api.2ip.ua 35->74 56 C:\Users\user\AppData\Local\...\build3[1].exe, PE32 35->56 dropped 58 C:\Users\user\AppData\Local\...\build2[1].exe, PE32 35->58 dropped 60 C:\_readme.txt, ASCII 35->60 dropped 62 188 other malicious files 35->62 dropped 90 Modifies existing user documents (likely ransomware behavior) 35->90 40 build2.exe 35->40         started        43 build3.exe 1 35->43         started        file12 signatures13 process14 file15 92 Detected unpacking (changes PE section rights) 40->92 94 Detected unpacking (overwrites its own PE header) 40->94 96 Injects a PE file into a foreign processes 40->96 46 build2.exe 40->46         started        68 C:\Users\user\AppData\Roaming\...\mstsca.exe, MS-DOS 43->68 dropped 98 Uses schtasks.exe or at.exe to add and modify task schedules 43->98 50 schtasks.exe 1 43->50         started        signatures16 process17 dnsIp18 78 t.me 149.154.167.99, 443, 49700 TELEGRAMRU United Kingdom 46->78 80 78.47.168.170, 49701, 80 HETZNER-ASDE Germany 46->80 112 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 46->112 114 Tries to harvest and steal browser information (history, passwords, etc) 46->114 116 Tries to steal Crypto Currency Wallets 46->116 52 WerFault.exe 46->52         started        54 conhost.exe 50->54         started        signatures19 process20
Threat name:
Win32.Trojan.Smokeloader
Status:
Malicious
First seen:
2023-04-04 01:10:08 UTC
File Type:
PE (Exe)
Extracted files:
16
AV detection:
19 of 24 (79.17%)
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:
bd891401a7a966a3c5c35f9e6c6c48a27a45d7690c3969c7517e0acc868eda97
MD5 hash:
76b6cd8b88a7ee8453cfc3deb30fbd42
SHA1 hash:
d1f27d9795a8892c804e6c58b97594851ef59695
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 bd891401a7a966a3c5c35f9e6c6c48a27a45d7690c3969c7517e0acc868eda97

(this sample)

  
Delivery method
Distributed via web download

Comments