MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1bb689e95fd5ed5f70fd3ac60cf28d7aace52fea6b1bacc0a257e19cbf50a71d. 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 5 File information Comments

SHA256 hash: 1bb689e95fd5ed5f70fd3ac60cf28d7aace52fea6b1bacc0a257e19cbf50a71d
SHA3-384 hash: 8e9f18cb22f48bf93c14816967d54b1dc773cdf5e1326d8897ee734648c36e7689a187c147e3107323c529f6200fcee0
SHA1 hash: 369c7a559fccaac6c69902b94af0c67a9225dc4b
MD5 hash: 164d681e4c7592a58264b71a95ec412e
humanhash: william-leopard-mockingbird-texas
File name:gazp
Download: download sample
Signature Stop
File size:756'736 bytes
First seen:2023-07-11 09:25:59 UTC
Last seen:2023-07-11 10:42:47 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 15ebf67abb27d44912527463f0610891 (2 x RedLineStealer, 2 x Stop, 1 x Smoke Loader)
ssdeep 12288:LNPY7WxEvh5wwW0GmCiBBU31I4UzBz8IeVvkoZwUKTSheteYiRQiUm:y7WxowI3U3HU9TXGqlGQ9
Threatray 129 similar samples on MalwareBazaar
TLSH T152F40253A598FFA4D9D24E338D2ED6E8F22FF961EE596B5B72142F1F24301A18253310
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 0000030105312511 (1 x Stop)
Reporter pcrisk
Tags:djvu exe gazp Stop


Avatar
pcrisk
Djvu (Gazp) Ransomware

Intelligence


File Origin
# of uploads :
2
# of downloads :
360
Origin country :
LT LT
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
gazp
Verdict:
Malicious activity
Analysis date:
2023-07-11 09:27:14 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
Restart of the analyzed sample
Sending an HTTP GET request
Сreating synchronization primitives
Creating a file in the %temp% directory
Running batch commands
Creating a process with a hidden window
Sending a custom TCP request
Query of malicious DNS domain
Sending a TCP request to an infection source
Result
Malware family:
n/a
Score:
  9/10
Tags:
n/a
Behaviour
MalwareBazaar
CPUID_Instruction
SystemUptime
MeasuringTime
EvasionGetTickCount
EvasionQueryPerformanceCounter
CheckCmdLine
Verdict:
Malicious
Threat level:
  10/10
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
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 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 known network protocols on non-standard ports
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
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1270732 Sample: gazp.exe Startdate: 11/07/2023 Architecture: WINDOWS Score: 100 90 Snort IDS alert for network traffic 2->90 92 Multi AV Scanner detection for domain / URL 2->92 94 Found malware configuration 2->94 96 11 other signatures 2->96 11 gazp.exe 2->11         started        14 gazp.exe 2->14         started        16 gazp.exe 2->16         started        18 2 other processes 2->18 process3 signatures4 106 Detected unpacking (changes PE section rights) 11->106 108 Detected unpacking (overwrites its own PE header) 11->108 110 Writes a notice file (html or txt) to demand a ransom 11->110 118 2 other signatures 11->118 20 gazp.exe 1 16 11->20         started        112 Multi AV Scanner detection for dropped file 14->112 114 Machine Learning detection for dropped file 14->114 116 Injects a PE file into a foreign processes 14->116 24 gazp.exe 13 14->24         started        26 gazp.exe 16->26         started        28 WMIADAP.exe 16->28         started        30 gazp.exe 18->30         started        32 schtasks.exe 18->32         started        process5 dnsIp6 74 api.2ip.ua 162.0.217.254, 443, 49720, 49721 ACPCA Canada 20->74 62 C:\Users\user\AppData\Local\...\gazp.exe, PE32 20->62 dropped 64 C:\Users\user\...\gazp.exe:Zone.Identifier, ASCII 20->64 dropped 34 gazp.exe 20->34         started        37 icacls.exe 20->37         started        76 zexeq.com 24->76 78 192.168.2.1 unknown unknown 30->78 39 conhost.exe 32->39         started        file7 process8 signatures9 98 Injects a PE file into a foreign processes 34->98 41 gazp.exe 1 25 34->41         started        process10 dnsIp11 84 zexeq.com 175.126.109.15, 49723, 49725, 49726 SKB-ASSKBroadbandCoLtdKR Korea Republic of 41->84 86 colisumy.com 80.210.25.252, 49722, 80 DCI-ASIR Iran (ISLAMIC Republic Of) 41->86 88 api.2ip.ua 41->88 66 C:\Users\user\AppData\Local\...\build2[1].exe, PE32 41->66 dropped 68 C:\_readme.txt, ASCII 41->68 dropped 70 C:\Users\user\_readme.txt, ASCII 41->70 dropped 72 283 other malicious files 41->72 dropped 120 Modifies existing user documents (likely ransomware behavior) 41->120 46 build2.exe 41->46         started        49 build3.exe 41->49         started        file12 signatures13 process14 file15 122 Detected unpacking (changes PE section rights) 46->122 124 Detected unpacking (overwrites its own PE header) 46->124 126 Injects a PE file into a foreign processes 46->126 52 build2.exe 46->52         started        60 C:\Users\user\AppData\Roaming\...\mstsca.exe, PE32 49->60 dropped 128 Uses schtasks.exe or at.exe to add and modify task schedules 49->128 56 schtasks.exe 49->56         started        signatures16 process17 dnsIp18 80 t.me 149.154.167.99, 443, 49727 TELEGRAMRU United Kingdom 52->80 82 5.75.211.167, 49728, 8081 HETZNER-ASDE Germany 52->82 100 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 52->100 102 Tries to harvest and steal browser information (history, passwords, etc) 52->102 104 Tries to steal Crypto Currency Wallets 52->104 58 conhost.exe 56->58         started        signatures19 process20
Threat name:
Win32.Trojan.Azorult
Status:
Malicious
First seen:
2023-07-11 03:47:59 UTC
File Type:
PE (Exe)
Extracted files:
36
AV detection:
28 of 37 (75.68%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:djvu family:vidar botnet:https://t.me/eagl3z 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 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/eagl3z
https://steamcommunity.com/profiles/76561199159550234
Unpacked files
SH256 hash:
f5fcf64373aa6e254dac42db3edf1a9c2aef516a0edb2f9297154ba3a55e72f9
MD5 hash:
3faaf3d07d7a433e3d7c88428bbbcf50
SHA1 hash:
3b7c0ed414f14aa1da6349c00dfd7df22f132285
Detections:
djvu_ransomware win_stop_auto
SH256 hash:
1bb689e95fd5ed5f70fd3ac60cf28d7aace52fea6b1bacc0a257e19cbf50a71d
MD5 hash:
164d681e4c7592a58264b71a95ec412e
SHA1 hash:
369c7a559fccaac6c69902b94af0c67a9225dc4b
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: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 1bb689e95fd5ed5f70fd3ac60cf28d7aace52fea6b1bacc0a257e19cbf50a71d

(this sample)

  
Delivery method
Distributed via web download

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