MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 78cd97ec2dd4ee8922a48327c44b2b040b3e817d87acd0386f040932557a9ef8. 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: 15


Intelligence 15 IOCs YARA 6 File information Comments

SHA256 hash: 78cd97ec2dd4ee8922a48327c44b2b040b3e817d87acd0386f040932557a9ef8
SHA3-384 hash: 92805c27238da80bd306f15c0447e43cd7816ae2278c17ba4bc63c96bcf13cfc9922fec9e1dbda3c712deb473863c5f1
SHA1 hash: 0c7cb94f58ef4e0e4af3f5afb7b19d5835f585df
MD5 hash: 2391139a208c849a409b59082bf2c969
humanhash: friend-mango-artist-bluebird
File name:setup.exe
Download: download sample
Signature Stop
File size:732'672 bytes
First seen:2023-03-24 01:15:00 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash e5d844fa3edf48de21502f4c833cd751 (2 x Stop)
ssdeep 12288:2iIjqqHdtn+u9pQzmzaKUxdewAhHYJYOyW3vWyFKP65JaCDxGC:3cj++SWaJZXJYOyW3vpM4Jp
TLSH T124F412627EA1D077E1939830C915FBB4A77D74708BA684873324977E0E303D19A7A367
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 4051190c57613105 (1 x Stop)
Reporter Chainskilabs
Tags:exe Stop

Intelligence


File Origin
# of uploads :
1
# of downloads :
263
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
setup.exe
Verdict:
Malicious activity
Analysis date:
2023-03-24 01:15:55 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
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
DNS request
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
EvasionQueryPerformanceCounter
EvasionGetTickCount
CheckCmdLine
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:
Babuk, Clipboard Hijacker, Djvu, HTMLPhi
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 Babuk Ransomware
Yara detected Clipboard Hijacker
Yara detected Djvu Ransomware
Yara detected HtmlPhish10
Yara detected Vidar stealer
Yara detected ZipBomb
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 833813 Sample: setup.exe Startdate: 24/03/2023 Architecture: WINDOWS Score: 100 72 Snort IDS alert for network traffic 2->72 74 Multi AV Scanner detection for domain / URL 2->74 76 Malicious sample detected (through community Yara rule) 2->76 78 12 other signatures 2->78 11 setup.exe 2->11         started        14 setup.exe 2->14         started        process3 signatures4 88 Detected unpacking (changes PE section rights) 11->88 90 Detected unpacking (overwrites its own PE header) 11->90 92 Writes a notice file (html or txt) to demand a ransom 11->92 94 2 other signatures 11->94 16 setup.exe 1 16 11->16         started        process5 dnsIp6 60 api.2ip.ua 162.0.217.254, 443, 49696, 49697 ACPCA Canada 16->60 46 C:\Users\user\...\setup.exe:Zone.Identifier, ASCII 16->46 dropped 48 C:\Users\user\AppData\Local\...\setup.exe, MS-DOS 16->48 dropped 20 setup.exe 16->20         started        23 icacls.exe 16->23         started        file7 process8 signatures9 80 Injects a PE file into a foreign processes 20->80 25 setup.exe 1 24 20->25         started        process10 dnsIp11 66 uaery.top 189.245.138.20, 49698, 80 UninetSAdeCVMX Mexico 25->66 68 zexeq.com 176.226.127.181, 49699, 49700, 80 PGSM-HUTorokbalintHungaryHU Hungary 25->68 70 2 other IPs or domains 25->70 52 C:\Users\user\AppData\Local\...\build2[1].exe, PE32 25->52 dropped 54 C:\_readme.txt, ASCII 25->54 dropped 56 C:\Users\user\_readme.txt, ASCII 25->56 dropped 58 200 other malicious files 25->58 dropped 96 Modifies existing user documents (likely ransomware behavior) 25->96 30 build2.exe 25->30         started        33 build3.exe 1 25->33         started        file12 signatures13 process14 file15 98 Detected unpacking (changes PE section rights) 30->98 100 Detected unpacking (overwrites its own PE header) 30->100 102 Injects a PE file into a foreign processes 30->102 36 build2.exe 18 30->36         started        50 C:\Users\user\AppData\Roaming\...\mstsca.exe, MS-DOS 33->50 dropped 104 Uses schtasks.exe or at.exe to add and modify task schedules 33->104 40 schtasks.exe 1 33->40         started        signatures16 process17 dnsIp18 62 t.me 149.154.167.99, 443, 49701 TELEGRAMRU United Kingdom 36->62 64 195.201.45.203, 49702, 80 HETZNER-ASDE Germany 36->64 82 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 36->82 84 Tries to harvest and steal browser information (history, passwords, etc) 36->84 86 Tries to steal Crypto Currency Wallets 36->86 42 WerFault.exe 36->42         started        44 conhost.exe 40->44         started        signatures19 process20
Threat name:
Win32.Trojan.SmokeLoader
Status:
Malicious
First seen:
2023-03-23 21:13:38 UTC
File Type:
PE (Exe)
Extracted files:
17
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:djvu family:vidar botnet:00d92484c9b27bc8482a2cc94cacc508 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/76561199472266392
https://t.me/tabootalks
http://135.181.26.183:80
Unpacked files
SH256 hash:
55c0548cb65388c832a83b1e7a288e025605ab8a7361a81871ced16aba8e2c18
MD5 hash:
8e509e7a654c2cb66aebd6dbe396a9ff
SHA1 hash:
4d3d432a08c2d9b1204b0e65276378004095b50b
Detections:
win_stop_auto
SH256 hash:
78cd97ec2dd4ee8922a48327c44b2b040b3e817d87acd0386f040932557a9ef8
MD5 hash:
2391139a208c849a409b59082bf2c969
SHA1 hash:
0c7cb94f58ef4e0e4af3f5afb7b19d5835f585df
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 78cd97ec2dd4ee8922a48327c44b2b040b3e817d87acd0386f040932557a9ef8

(this sample)

  
Delivery method
Distributed via web download

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