MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 138b1d4d4e0d854f6ae9fe1103f26158e0df921384a403c812649534158809a9. 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: 18


Intelligence 18 IOCs YARA 6 File information Comments

SHA256 hash: 138b1d4d4e0d854f6ae9fe1103f26158e0df921384a403c812649534158809a9
SHA3-384 hash: 6cd358f2b26b04a7932591d97d7225378108c2f73be23c2463603e8d04ff45dff56cfc776ea2e41445e4411ad37770fa
SHA1 hash: 56e0967ba750cc8b8a7eaaad287210ff494e32a9
MD5 hash: 23f7d98ddb2bafaefd121c30aeb2a7b1
humanhash: failed-one-golf-vegan
File name:138b1d4d4e0d854f6ae9fe1103f26158e0df921384a403c812649534158809a9
Download: download sample
Signature Stop
File size:783'872 bytes
First seen:2023-03-27 18:14:59 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 2f460961725ca1bacd7af1f08dcd53a6 (6 x Smoke Loader, 6 x RedLineStealer, 2 x Stealc)
ssdeep 12288:9jZ58lx9fhvCKqugl21Q3HGOj6zxECE9ACOoA1x5DujXWjmqHLraHT:lv01hKKqBl212HP6zKFYvwWjpH
Threatray 1'546 similar samples on MalwareBazaar
TLSH T196F4121177C2C073E99632F58912CBB18A3BB871D7694ADB7B04077E2E207D18E7235A
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 80888c8682c27088 (1 x Stop)
Reporter petikvx
Tags:Stop

Intelligence


File Origin
# of uploads :
1
# of downloads :
123
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
138b1d4d4e0d854f6ae9fe1103f26158e0df921384a403c812649534158809a9
Verdict:
Malicious activity
Analysis date:
2023-03-27 18:15:30 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
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
SystemUptime
MeasuringTime
CPUID_Instruction
CheckCmdLine
EvasionGetTickCount
EvasionQueryPerformanceCounter
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
babar 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:
Clipboard Hijacker, Djvu, HTMLPhisher, V
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 detect sandboxes and other dynamic analysis tools (process name or module or function)
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 Clipboard Hijacker
Yara detected Djvu Ransomware
Yara detected HtmlPhish10
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 835808 Sample: nIS1AxIGpg.exe Startdate: 27/03/2023 Architecture: WINDOWS Score: 100 85 Snort IDS alert for network traffic 2->85 87 Multi AV Scanner detection for domain / URL 2->87 89 Malicious sample detected (through community Yara rule) 2->89 91 11 other signatures 2->91 11 nIS1AxIGpg.exe 2->11         started        14 nIS1AxIGpg.exe 2->14         started        16 mstsca.exe 2->16         started        process3 signatures4 105 Detected unpacking (changes PE section rights) 11->105 107 Detected unpacking (overwrites its own PE header) 11->107 109 Writes a notice file (html or txt) to demand a ransom 11->109 111 Writes many files with high entropy 11->111 18 nIS1AxIGpg.exe 1 16 11->18         started        113 Injects a PE file into a foreign processes 14->113 22 nIS1AxIGpg.exe 12 14->22         started        115 Multi AV Scanner detection for dropped file 16->115 24 schtasks.exe 16->24         started        process5 dnsIp6 77 api.2ip.ua 162.0.217.254, 443, 49697, 49698 ACPCA Canada 18->77 65 C:\Users\...\nIS1AxIGpg.exe:Zone.Identifier, ASCII 18->65 dropped 67 C:\Users\user\AppData\...\nIS1AxIGpg.exe, MS-DOS 18->67 dropped 26 nIS1AxIGpg.exe 18->26         started        29 icacls.exe 18->29         started        31 conhost.exe 24->31         started        file7 process8 signatures9 103 Injects a PE file into a foreign processes 26->103 33 nIS1AxIGpg.exe 1 24 26->33         started        process10 dnsIp11 71 zexeq.com 190.229.19.7, 49699, 49700, 49702 TelecomArgentinaSAAR Argentina 33->71 73 uaery.top 33->73 75 api.2ip.ua 33->75 57 C:\Users\user\AppData\Local\...\build2[1].exe, PE32 33->57 dropped 59 C:\_readme.txt, ASCII 33->59 dropped 61 C:\Users\user\_readme.txt, ASCII 33->61 dropped 63 190 other malicious files 33->63 dropped 93 Modifies existing user documents (likely ransomware behavior) 33->93 38 build2.exe 33->38         started        41 build3.exe 33->41         started        file12 signatures13 process14 file15 95 Detected unpacking (changes PE section rights) 38->95 97 Detected unpacking (overwrites its own PE header) 38->97 99 Injects a PE file into a foreign processes 38->99 44 build2.exe 38->44         started        48 backgroundTaskHost.exe 38->48         started        69 C:\Users\user\AppData\Roaming\...\mstsca.exe, PE32 41->69 dropped 101 Uses schtasks.exe or at.exe to add and modify task schedules 41->101 50 schtasks.exe 41->50         started        signatures16 process17 dnsIp18 81 t.me 149.154.167.99, 443, 49703 TELEGRAMRU United Kingdom 44->81 83 116.203.10.236, 49704, 80 HETZNER-ASDE Germany 44->83 117 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 44->117 119 Tries to harvest and steal browser information (history, passwords, etc) 44->119 121 Tries to steal Crypto Currency Wallets 44->121 52 WerFault.exe 44->52         started        55 conhost.exe 50->55         started        signatures19 process20 dnsIp21 79 192.168.2.1 unknown unknown 52->79
Threat name:
Win32.Trojan.Glupteba
Status:
Malicious
First seen:
2023-03-27 18:15:08 UTC
File Type:
PE (Exe)
Extracted files:
19
AV detection:
23 of 24 (95.83%)
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 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
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 138b1d4d4e0d854f6ae9fe1103f26158e0df921384a403c812649534158809a9

(this sample)

  
Delivery method
Distributed via web download

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