MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 733d197665d90ebcbe41ed14d872db66604706d8435e694985ad2c459ce59b70. 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: 14


Intelligence 14 IOCs YARA 9 File information Comments

SHA256 hash: 733d197665d90ebcbe41ed14d872db66604706d8435e694985ad2c459ce59b70
SHA3-384 hash: 3d6deadc02c4982bad4d260e41cefb5dd185924317ac5f4b7cce20126ebd2e14913b91984e2e640c0d8a9ab629d73163
SHA1 hash: a762faa446f6a8da5770ecca619fc2cffdf33ab1
MD5 hash: 669a891fe610e110917fad79b6876f55
humanhash: dakota-bakerloo-shade-stairway
File name:builder.exe.exe
Download: download sample
Signature Stop
File size:788'480 bytes
First seen:2023-05-16 15:47:00 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash c3a2d6b32d97c9ca2070467dc08d5fc4 (1 x Glupteba, 1 x Stop, 1 x Amadey)
ssdeep 12288:HYhoWg3wNMP0/JtiTYdmJDJtnee32UEMWOktn3dR/v2FvMI33knQCk/:HSdNMPoJEYKJweGdSKNR/vQvb30w/
Threatray 1'763 similar samples on MalwareBazaar
TLSH T1E4F4D013D2E13D54D967CB728E2E82E87E1EB5208F597B9E1118AAFB07730B2C572711
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 00081c280a030600 (1 x Stop)
Reporter Neiki
Tags:Stop

Intelligence


File Origin
# of uploads :
1
# of downloads :
153
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
builder.exe.exe
Verdict:
Malicious activity
Analysis date:
2023-05-16 15:47:08 UTC
Tags:
ransomware stop loader stealer vidar trojan arkei

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
Sending a custom TCP request
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
MeasuringTime
CPUID_Instruction
SystemUptime
EvasionGetTickCount
EvasionQueryPerformanceCounter
CheckCmdLine
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, Djvu
Detection:
malicious
Classification:
rans.troj.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Found ransom note / readme
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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
Writes a notice file (html or txt) to demand a ransom
Yara detected Babuk Ransomware
Yara detected Djvu Ransomware
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 867653 Sample: builder.exe.exe Startdate: 16/05/2023 Architecture: WINDOWS Score: 100 54 Snort IDS alert for network traffic 2->54 56 Found malware configuration 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 7 other signatures 2->60 8 builder.exe.exe 2->8         started        11 builder.exe.exe 2->11         started        13 builder.exe.exe 2->13         started        15 builder.exe.exe 2->15         started        process3 signatures4 64 Multi AV Scanner detection for dropped file 8->64 66 Detected unpacking (changes PE section rights) 8->66 68 Detected unpacking (overwrites its own PE header) 8->68 74 2 other signatures 8->74 17 builder.exe.exe 1 19 8->17         started        70 Contains functionality to inject code into remote processes 11->70 72 Injects a PE file into a foreign processes 11->72 22 builder.exe.exe 1 16 11->22         started        24 builder.exe.exe 12 13->24         started        26 builder.exe.exe 15->26         started        process5 dnsIp6 48 zexeq.com 211.119.84.112, 49692, 80 LGDACOMLGDACOMCorporationKR Korea Republic of 17->48 36 C:\Users\user\_readme.txt, ASCII 17->36 dropped 38 C:\Users\user\...\builder.exe.exe.xash (copy), MS-DOS 17->38 dropped 40 C:\Users\user\Desktop\builder.exe.exe, MS-DOS 17->40 dropped 46 4 other malicious files 17->46 dropped 62 Modifies existing user documents (likely ransomware behavior) 17->62 50 api.2ip.ua 162.0.217.254, 443, 49687, 49690 ACPCA Canada 22->50 42 C:\Users\user\AppData\...\builder.exe.exe, PE32 22->42 dropped 44 C:\Users\...\builder.exe.exe:Zone.Identifier, ASCII 22->44 dropped 28 builder.exe.exe 22->28         started        31 icacls.exe 22->31         started        file7 signatures8 process9 signatures10 76 Injects a PE file into a foreign processes 28->76 33 builder.exe.exe 12 28->33         started        process11 dnsIp12 52 api.2ip.ua 33->52
Threat name:
Win32.Ransomware.Stop
Status:
Suspicious
First seen:
2023-05-16 14:17:50 UTC
File Type:
PE (Exe)
Extracted files:
41
AV detection:
21 of 37 (56.76%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:djvu family:vidar botnet:9dfa7ee730fa2f1efb5ed51dbbec22f5 discovery persistence ransomware spyware stealer
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
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://steamcommunity.com/profiles/76561199263069598
https://t.me/cybehost
Unpacked files
SH256 hash:
6336deb1053145f9c3951b56483f16f8f19ef3fa32ec5d1845ace358bc95cb4b
MD5 hash:
b64cc521ca466463da2fb417f611ed0b
SHA1 hash:
d568654c995f8aeb457dffd9db725741434f317e
Detections:
win_stop_auto
Parent samples :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 hash:
733d197665d90ebcbe41ed14d872db66604706d8435e694985ad2c459ce59b70
MD5 hash:
669a891fe610e110917fad79b6876f55
SHA1 hash:
a762faa446f6a8da5770ecca619fc2cffdf33ab1
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:has_telegram_urls
Author:Aaron DeVera<aaron@backchannel.re>
Description:Detects Telegram URLs
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:Vidar
Author:kevoreilly,rony
Description:Vidar Payload
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.

Comments