MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 133ddba991623f42029fabecf728c5f87377285069a62a1b7b25190cd8b61aa5. 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 11 File information Comments

SHA256 hash: 133ddba991623f42029fabecf728c5f87377285069a62a1b7b25190cd8b61aa5
SHA3-384 hash: 475666fca5eb181fcf7ff6f0a0e61e09742d3d6fb0dba6b5284d73d5dc506233c4593e0d5021cf2f9e2af797ab4003ca
SHA1 hash: 4a89f751cb76aa267ae605a936c9b7278d62d2ac
MD5 hash: 5e6c0778746f956d1d150aaa32e82ffd
humanhash: spring-east-mango-nevada
File name:setup.exe
Download: download sample
Signature Stop
File size:727'040 bytes
First seen:2023-04-12 00:53:01 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash ab082a716c28869a457cab71ba8dd878 (2 x Smoke Loader, 1 x Vidar, 1 x RecordBreaker)
ssdeep 12288:frnyinKsMdsPhTz97ijOHZL9fpfPY32B+9aVfKBJgLO0l1:jnyinKyPhTz9BHZL9f5VlkBChl1
Threatray 1'640 similar samples on MalwareBazaar
TLSH T130F412213AD1D8B3CAEF45B40630FB78A53EB5319287C967232497BE7D203D19A5A317
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 80446a9cc6603090 (1 x Stop)
Reporter Chainskilabs
Tags:exe Stop

Intelligence


File Origin
# of uploads :
1
# of downloads :
273
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
setup.exe
Verdict:
Malicious activity
Analysis date:
2023-04-12 00:54:06 UTC
Tags:
ransomware stop loader

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
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Adding an access-denied ACE
Сreating synchronization primitives
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
Result
Malware family:
n/a
Score:
  9/10
Tags:
n/a
Behaviour
MalwareBazaar
SystemUptime
CPUID_Instruction
MeasuringTime
EvasionGetTickCount
CheckCmdLine
EvasionQueryPerformanceCounter
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware lockbit 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, HTMLPhisher
Detection:
malicious
Classification:
rans.spre.phis.troj.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found ransom note / readme
Infects executable files (exe, dll, sys, html)
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 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 Clipboard Hijacker
Yara detected Djvu Ransomware
Yara detected HtmlPhish10
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 845111 Sample: setup.exe Startdate: 12/04/2023 Architecture: WINDOWS Score: 100 70 Snort IDS alert for network traffic 2->70 72 Multi AV Scanner detection for domain / URL 2->72 74 Malicious sample detected (through community Yara rule) 2->74 76 8 other signatures 2->76 11 setup.exe 2->11         started        14 mstsca.exe 2->14         started        16 setup.exe 2->16         started        process3 signatures4 82 Detected unpacking (changes PE section rights) 11->82 84 Detected unpacking (overwrites its own PE header) 11->84 86 Writes a notice file (html or txt) to demand a ransom 11->86 88 2 other signatures 11->88 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, 49697, 49698 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 80 Injects a PE file into a foreign processes 24->80 31 setup.exe 1 22 24->31         started        process10 dnsIp11 60 zexeq.com 187.245.185.123, 49699, 49700, 80 MegaCableSAdeCVMX Mexico 31->60 62 uaery.top 31->62 64 api.2ip.ua 31->64 44 C:\_readme.txt, ASCII 31->44 dropped 46 C:\Users\user\_readme.txt, ASCII 31->46 dropped 48 C:\Users\...\SmartScreenCache.dat.boza (copy), data 31->48 dropped 50 210 other files (208 malicious) 31->50 dropped 66 Infects executable files (exe, dll, sys, html) 31->66 68 Modifies existing user documents (likely ransomware behavior) 31->68 36 build3.exe 1 31->36         started        file12 signatures13 process14 file15 56 C:\Users\user\AppData\Roaming\...\mstsca.exe, PE32 36->56 dropped 78 Uses schtasks.exe or at.exe to add and modify task schedules 36->78 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:
2023-04-11 13:50:50 UTC
File Type:
PE (Exe)
Extracted files:
16
AV detection:
24 of 24 (100.00%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:djvu discovery persistence ransomware
Behaviour
Creates scheduled task(s)
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Modifies file permissions
Downloads MZ/PE file
Detected Djvu ransomware
Djvu Ransomware
Malware Config
C2 Extraction:
http://zexeq.com/raud/get.php
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_6118
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 133ddba991623f42029fabecf728c5f87377285069a62a1b7b25190cd8b61aa5

(this sample)

  
Delivery method
Distributed via web download

Comments