MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 83c4c80adbeb1d8411e49c1d14a886af6a26c9fb9827d8852d4e45e4a5f09b17. 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 7 File information Comments

SHA256 hash: 83c4c80adbeb1d8411e49c1d14a886af6a26c9fb9827d8852d4e45e4a5f09b17
SHA3-384 hash: 30dade87fe18e5dff9a1591b85f84c91acc74ff38869750785eed5dbfe269801cebfd7261410b0814bb44d6f62750142
SHA1 hash: 21482791fefbc2764191fda56ad05315dcf5c6b2
MD5 hash: e82c338f4ab4001b75070dec7fa9d230
humanhash: connecticut-triple-nineteen-bulldog
File name:83C4C80ADBEB1D8411E49C1D14A886AF6A26C9FB9827D.exe
Download: download sample
Signature Stop
File size:746'496 bytes
First seen:2022-12-30 08:55:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 10ce3284b173905769c417d613af74dd (6 x Amadey, 4 x Smoke Loader, 3 x RedLineStealer)
ssdeep 12288:pFVhn3eZjVmemXolJe1nEGZr3No6greSDFTHK42XbiU4EvWT98W2unUBO8J:pdO4emXOG3p3N8qSpCnvWxIP0g
Threatray 4'212 similar samples on MalwareBazaar
TLSH T146F4121272D4C07AD22A26750866D2F1BEAEF8B01D39569B7BA0177D1F343E19F25383
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 c8d8c8c8e0e4a099 (57 x Smoke Loader, 55 x Amadey, 20 x RedLineStealer)
Reporter abuse_ch
Tags:exe Stop


Avatar
abuse_ch
Stop C2:
http://116.203.164.147/

Intelligence


File Origin
# of uploads :
1
# of downloads :
193
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
83C4C80ADBEB1D8411E49C1D14A886AF6A26C9FB9827D.exe
Verdict:
Malicious activity
Analysis date:
2022-12-30 08:59:33 UTC
Tags:
trojan loader ransomware stop stealer vidar

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
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:
greyware lockbit nymaim packed raccoon ransomware
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, Djvu
Detection:
malicious
Classification:
rans.troj.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in 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
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: 775864 Sample: 83C4C80ADBEB1D8411E49C1D14A... Startdate: 30/12/2022 Architecture: WINDOWS Score: 100 56 Multi AV Scanner detection for domain / URL 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 Antivirus detection for URL or domain 2->60 62 7 other signatures 2->62 8 83C4C80ADBEB1D8411E49C1D14A886AF6A26C9FB9827D.exe 2->8         started        11 83C4C80ADBEB1D8411E49C1D14A886AF6A26C9FB9827D.exe 2->11         started        13 83C4C80ADBEB1D8411E49C1D14A886AF6A26C9FB9827D.exe 2->13         started        15 83C4C80ADBEB1D8411E49C1D14A886AF6A26C9FB9827D.exe 2->15         started        process3 signatures4 66 Injects a PE file into a foreign processes 8->66 17 83C4C80ADBEB1D8411E49C1D14A886AF6A26C9FB9827D.exe 1 16 8->17         started        68 Antivirus detection for dropped file 11->68 70 Multi AV Scanner detection for dropped file 11->70 72 Machine Learning detection for dropped file 11->72 74 Writes a notice file (html or txt) to demand a ransom 11->74 22 83C4C80ADBEB1D8411E49C1D14A886AF6A26C9FB9827D.exe 12 11->22         started        24 83C4C80ADBEB1D8411E49C1D14A886AF6A26C9FB9827D.exe 1 16 13->24         started        26 83C4C80ADBEB1D8411E49C1D14A886AF6A26C9FB9827D.exe 15->26         started        process5 dnsIp6 48 fresherlights.com 17->48 50 192.168.2.1 unknown unknown 17->50 36 C:\Users\user\_readme.txt, ASCII 17->36 dropped 38 C:\Users\user\Desktop\...\AQRFEVRTGL.png, data 17->38 dropped 40 C:\Users\user\Desktop\...40WCXBPIUYI.xlsx, data 17->40 dropped 46 4 other malicious files 17->46 dropped 64 Modifies existing user documents (likely ransomware behavior) 17->64 52 api.2ip.ua 162.0.217.254, 443, 49695, 49696 ACPCA Canada 24->52 42 83C4C80ADBEB1D8411...AF6A26C9FB9827D.exe, PE32 24->42 dropped 44 83C4C80ADBEB1D8411...exe:Zone.Identifier, ASCII 24->44 dropped 28 83C4C80ADBEB1D8411E49C1D14A886AF6A26C9FB9827D.exe 24->28         started        31 icacls.exe 24->31         started        file7 signatures8 process9 signatures10 76 Injects a PE file into a foreign processes 28->76 33 83C4C80ADBEB1D8411E49C1D14A886AF6A26C9FB9827D.exe 12 28->33         started        process11 dnsIp12 54 api.2ip.ua 33->54
Threat name:
Win32.Trojan.Amadey
Status:
Malicious
First seen:
2022-10-31 17:57:38 UTC
File Type:
PE (Exe)
Extracted files:
13
AV detection:
25 of 26 (96.15%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:djvu family:vidar botnet:19 discovery persistence ransomware spyware stealer
Behaviour
Checks processor information in registry
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
Loads dropped DLL
Modifies file permissions
Reads user/profile data of web browsers
Downloads MZ/PE file
Executes dropped EXE
Detected Djvu ransomware
Djvu Ransomware
Vidar
Malware Config
C2 Extraction:
http://fresherlights.com/test1/get.php
https://t.me/robloxblackl
https://steamcommunity.com/profiles/76561199458928097
Verdict:
Informative
Tags:
n/a
YARA:
n/a
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
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: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