MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 827f4988d10bcb9c88f371bace942c95e0b82166ab62520f089ba534f8252999. 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 6 File information Comments

SHA256 hash: 827f4988d10bcb9c88f371bace942c95e0b82166ab62520f089ba534f8252999
SHA3-384 hash: 620ade4b62392eb3708d225d2ed8bcdacfd39303654584b38f2a159343f4003fd3a010343177ead773424f67064e6279
SHA1 hash: fe49ca6762cada0e1a932075c4b2ef75e2d8c0e6
MD5 hash: b3d842e721a4a45ad5005f26877aa426
humanhash: pluto-georgia-minnesota-kansas
File name:setup.exe
Download: download sample
Signature Stop
File size:814'080 bytes
First seen:2023-03-17 15:37:43 UTC
Last seen:2023-03-17 15:43:39 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 6e76b494f1a9946f83b6b72033f310be (7 x Smoke Loader, 4 x Rhadamanthys, 4 x RedLineStealer)
ssdeep 24576:xJqUt8sf9w9WDVz7ZZeg3TRlH1MtaXaaJtRT:xJqUCyQWDVz9V3lZ13XaEtR
Threatray 1'366 similar samples on MalwareBazaar
TLSH T16E05D04392E07C9CF9168F729F1FC2E4771EB5518E997B693218AA1F04B6272C163F90
TrID 37.3% (.EXE) Win64 Executable (generic) (10523/12/4)
17.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
16.0% (.EXE) Win32 Executable (generic) (4505/5/1)
7.3% (.ICL) Windows Icons Library (generic) (2059/9)
7.2% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon a4a4a4a09084c480 (1 x Stop)
Reporter Chainskilabs
Tags:exe Stop

Intelligence


File Origin
# of uploads :
2
# of downloads :
221
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
setup.exe
Verdict:
Malicious activity
Analysis date:
2023-03-17 15:40:02 UTC
Tags:
ransomware stop

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
Deleting a recently created file
DNS request
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
MeasuringTime
SystemUptime
CPUID_Instruction
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.
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 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
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: 828890 Sample: setup.exe Startdate: 17/03/2023 Architecture: WINDOWS Score: 100 79 Snort IDS alert for network traffic 2->79 81 Multi AV Scanner detection for domain / URL 2->81 83 Malicious sample detected (through community Yara rule) 2->83 85 11 other signatures 2->85 11 setup.exe 2->11         started        14 mstsca.exe 2->14         started        16 setup.exe 2->16         started        process3 signatures4 95 Detected unpacking (changes PE section rights) 11->95 97 Detected unpacking (overwrites its own PE header) 11->97 99 Writes a notice file (html or txt) to demand a ransom 11->99 103 2 other signatures 11->103 18 setup.exe 1 16 11->18         started        101 Multi AV Scanner detection for dropped file 14->101 22 schtasks.exe 14->22         started        process5 dnsIp6 65 api.2ip.ua 162.0.217.254, 443, 49699, 49702 ACPCA Canada 18->65 59 C:\Users\user\...\setup.exe:Zone.Identifier, ASCII 18->59 dropped 61 C:\Users\user\AppData\Local\...\setup.exe, MS-DOS 18->61 dropped 24 setup.exe 18->24         started        27 icacls.exe 18->27         started        29 conhost.exe 22->29         started        file7 process8 signatures9 93 Injects a PE file into a foreign processes 24->93 31 setup.exe 1 25 24->31         started        process10 dnsIp11 71 zexeq.com 189.245.141.165, 49704, 49705, 80 UninetSAdeCVMX Mexico 31->71 73 uaery.top 190.141.35.3, 49703, 80 CableOndaPA Panama 31->73 75 api.2ip.ua 31->75 51 C:\Users\user\AppData\Local\...\build3[1].exe, PE32 31->51 dropped 53 C:\Users\user\AppData\Local\...\build2[1].exe, PE32 31->53 dropped 55 C:\_readme.txt, ASCII 31->55 dropped 57 132 other malicious files 31->57 dropped 77 Modifies existing user documents (likely ransomware behavior) 31->77 36 build2.exe 31->36         started        39 build3.exe 31->39         started        file12 signatures13 process14 file15 87 Detected unpacking (changes PE section rights) 36->87 89 Detected unpacking (overwrites its own PE header) 36->89 42 build2.exe 12 36->42         started        63 C:\Users\user\AppData\Roaming\...\mstsca.exe, PE32 39->63 dropped 91 Uses schtasks.exe or at.exe to add and modify task schedules 39->91 45 schtasks.exe 39->45         started        signatures16 process17 dnsIp18 67 t.me 149.154.167.99, 443, 49706 TELEGRAMRU United Kingdom 42->67 69 116.203.13.130, 49707, 80 HETZNER-ASDE Germany 42->69 47 WerFault.exe 42->47         started        49 conhost.exe 45->49         started        process19
Threat name:
Win32.Trojan.SmokeLoader
Status:
Malicious
First seen:
2023-03-17 15:38:07 UTC
File Type:
PE (Exe)
Extracted files:
62
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:djvu family:vidar botnet:d6ef050131e7d5a1d595c51613328971 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/test1/get.php
https://t.me/zaskullz
https://steamcommunity.com/profiles/76561199486572327
http://135.181.87.234:80
Unpacked files
SH256 hash:
7bcca2c3f836aff5dcc0f3a8d8ff7ad23f36a71dbcc06eb876d661f30962b50b
MD5 hash:
119457870fb4b90bd41e81499c64c1e6
SHA1 hash:
9f8d8523feacd04b3c438cc45d75829ffa86abe7
Detections:
win_stop_auto
SH256 hash:
827f4988d10bcb9c88f371bace942c95e0b82166ab62520f089ba534f8252999
MD5 hash:
b3d842e721a4a45ad5005f26877aa426
SHA1 hash:
fe49ca6762cada0e1a932075c4b2ef75e2d8c0e6
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: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 827f4988d10bcb9c88f371bace942c95e0b82166ab62520f089ba534f8252999

(this sample)

  
Delivery method
Distributed via web download

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