MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a4e4ef5a186e4f30828cfd2cb0b385785836b6204ad6c5e889ef22f611b39fd1. 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: a4e4ef5a186e4f30828cfd2cb0b385785836b6204ad6c5e889ef22f611b39fd1
SHA3-384 hash: 4b3c913c4e79024228c5e1486dcca3d6da28ecdf5c7b8314a1a58e989d465a8f0c8964d60277c2fc63c712ff47b713e3
SHA1 hash: 57e6a0c81b7ed624d44b0b33fc0f7b4ed1530144
MD5 hash: c0836237f57db0801abad3db0d3e9311
humanhash: yankee-carolina-floor-hot
File name:c0836237f57db0801abad3db0d3e9311.exe
Download: download sample
Signature Stop
File size:888'832 bytes
First seen:2023-03-22 16:00:48 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 314565592a4a5f015f9741680eeed0ec (3 x Gozi, 2 x Smoke Loader, 1 x AveMariaRAT)
ssdeep 12288:J0NVVxnxT8Bt11RaFO1yBfYKgDq7U1tOFKe5vOgZJ6FXq:QVxxT2Dz1lBD/OzOgX
Threatray 1'427 similar samples on MalwareBazaar
TLSH T1D515F10253936C60EF1646328E1AC3F8566EFC619E5BBFAA264DED3F0C701B1D662705
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 1014808018205020 (1 x Stop)
Reporter abuse_ch
Tags:exe Ransomware Stop

Intelligence


File Origin
# of uploads :
1
# of downloads :
602
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
c0836237f57db0801abad3db0d3e9311.exe
Verdict:
Malicious activity
Analysis date:
2023-03-22 16:03:58 UTC
Tags:
loader 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
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
Sending a custom TCP 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
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
azorult 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, 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
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 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 Clipboard Hijacker
Yara detected Djvu Ransomware
Yara detected Vidar stealer
Yara detected ZipBomb
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 832653 Sample: PNJ2P9glyS.exe Startdate: 22/03/2023 Architecture: WINDOWS Score: 100 93 Snort IDS alert for network traffic 2->93 95 Malicious sample detected (through community Yara rule) 2->95 97 Antivirus detection for URL or domain 2->97 99 9 other signatures 2->99 12 PNJ2P9glyS.exe 2->12         started        15 PNJ2P9glyS.exe 2->15         started        17 PNJ2P9glyS.exe 2->17         started        19 PNJ2P9glyS.exe 2->19         started        process3 signatures4 109 Detected unpacking (changes PE section rights) 12->109 111 Detected unpacking (overwrites its own PE header) 12->111 113 Writes a notice file (html or txt) to demand a ransom 12->113 115 Writes many files with high entropy 12->115 21 PNJ2P9glyS.exe 1 16 12->21         started        117 Multi AV Scanner detection for dropped file 15->117 119 Injects a PE file into a foreign processes 15->119 25 PNJ2P9glyS.exe 12 15->25         started        27 PNJ2P9glyS.exe 17->27         started        29 PNJ2P9glyS.exe 19->29         started        process5 dnsIp6 81 api.2ip.ua 162.0.217.254, 443, 49695, 49696 ACPCA Canada 21->81 69 C:\Users\user\AppData\...\PNJ2P9glyS.exe, PE32 21->69 dropped 71 C:\Users\...\PNJ2P9glyS.exe:Zone.Identifier, ASCII 21->71 dropped 31 PNJ2P9glyS.exe 21->31         started        34 icacls.exe 21->34         started        file7 process8 signatures9 121 Injects a PE file into a foreign processes 31->121 36 PNJ2P9glyS.exe 1 25 31->36         started        process10 dnsIp11 75 uaery.top 203.91.116.53, 49697, 80 GMOBILE-MNG-MobileCorporationMN Mongolia 36->75 77 zexeq.com 190.141.123.88, 49698, 49700, 80 CableOndaPA Panama 36->77 79 api.2ip.ua 36->79 61 C:\Users\user\...\UPPS.bin.tycx (copy), PDP-11 36->61 dropped 63 C:\Users\user\AppData\Local\...\UPPS.bin, PDP-11 36->63 dropped 65 C:\Users\user\AppData\Local\...\build3[1].exe, PE32 36->65 dropped 67 313 other files (215 malicious) 36->67 dropped 101 Modifies existing user documents (likely ransomware behavior) 36->101 41 build2.exe 36->41         started        44 build3.exe 36->44         started        file12 signatures13 process14 file15 103 Detected unpacking (changes PE section rights) 41->103 105 Detected unpacking (overwrites its own PE header) 41->105 47 build2.exe 41->47         started        73 C:\Users\user\AppData\Roaming\...\mstsca.exe, MS-DOS 44->73 dropped 107 Uses schtasks.exe or at.exe to add and modify task schedules 44->107 51 schtasks.exe 44->51         started        signatures16 process17 dnsIp18 83 t.me 149.154.167.99, 443, 49702 TELEGRAMRU United Kingdom 47->83 85 195.201.45.203, 49703, 80 HETZNER-ASDE Germany 47->85 87 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 47->87 89 Tries to harvest and steal browser information (history, passwords, etc) 47->89 91 Tries to steal Crypto Currency Wallets 47->91 53 cmd.exe 47->53         started        55 conhost.exe 51->55         started        signatures19 process20 process21 57 conhost.exe 53->57         started        59 timeout.exe 53->59         started       
Threat name:
Win32.Trojan.Smokeloadder
Status:
Malicious
First seen:
2023-03-22 15:56:05 UTC
File Type:
PE (Exe)
Extracted files:
44
AV detection:
23 of 24 (95.83%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:djvu family:vidar 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
Program crash
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/76561199472266392
Unpacked files
SH256 hash:
e0af85f5bf41088cb0a1a80df62460cf583bb57e531fe2f027c6b2b23aa0e028
MD5 hash:
d5b757403098f7c44b627f0b10209c3b
SHA1 hash:
85e4e2ca4a0361b50402008879e22f7a96df1f7a
Detections:
win_stop_auto
SH256 hash:
a4e4ef5a186e4f30828cfd2cb0b385785836b6204ad6c5e889ef22f611b39fd1
MD5 hash:
c0836237f57db0801abad3db0d3e9311
SHA1 hash:
57e6a0c81b7ed624d44b0b33fc0f7b4ed1530144
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.

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