MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4642c5bc794aed8a3c6280bb9565a346588e4e35f054332553bc581b2cb5d489. 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: 13


Intelligence 13 IOCs 1 YARA 7 File information Comments

SHA256 hash: 4642c5bc794aed8a3c6280bb9565a346588e4e35f054332553bc581b2cb5d489
SHA3-384 hash: cb303fa87df45dda30ce9988061d0948adaa9a453984457b2e521b3de5c2eaca2b54950788d1ea26035484ba3424ed5c
SHA1 hash: e590b314e4e0dc98d4e691f43af84e390cb5993f
MD5 hash: 3063e803297785cc396e7342e401100f
humanhash: cold-kentucky-carbon-item
File name:3063e803297785cc396e7342e401100f.exe
Download: download sample
Signature Stop
File size:679'936 bytes
First seen:2022-10-03 15:43:18 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 2d5ec24fb9d2ee4cf8208f9e16125d4f (5 x Smoke Loader, 3 x GCleaner, 3 x ArkeiStealer)
ssdeep 12288:qIDKtULYbQyZKghunEJCFZ5lVJZ0LYXpOwt92f0xkONQm6SkIRq0/FZbz234nY:qXWCQy3u/RZyQpN0zEQ3RIRq07+3d
TLSH T186E422E632C0C477D66655B228A49950B9EFAB134731C78A7BD80A6C4F712C36E3931B
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 9a9acafecee6eaee (53 x Smoke Loader, 24 x Amadey, 14 x RedLineStealer)
Reporter abuse_ch
Tags:exe Stop


Avatar
abuse_ch
Stop C2:
http://23.88.115.141/

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
http://23.88.115.141/ https://threatfox.abuse.ch/ioc/866186/

Intelligence


File Origin
# of uploads :
1
# of downloads :
307
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
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 an HTTP GET 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:
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
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 submitted file
Snort IDS alert for network traffic
Yara detected Babuk Ransomware
Yara detected Djvu Ransomware
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 715167 Sample: FEokkzBJo5.exe Startdate: 03/10/2022 Architecture: WINDOWS Score: 100 54 Snort IDS alert for network traffic 2->54 56 Multi AV Scanner detection for domain / URL 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 6 other signatures 2->60 8 FEokkzBJo5.exe 2->8         started        11 FEokkzBJo5.exe 2->11         started        13 FEokkzBJo5.exe 2->13         started        15 FEokkzBJo5.exe 2->15         started        process3 signatures4 64 Machine Learning detection for dropped file 8->64 66 Injects a PE file into a foreign processes 8->66 17 FEokkzBJo5.exe 1 19 8->17         started        22 FEokkzBJo5.exe 1 16 11->22         started        24 FEokkzBJo5.exe 12 13->24         started        26 FEokkzBJo5.exe 15->26         started        process5 dnsIp6 48 winnlinne.com 190.140.74.43, 49697, 80 CableOndaPA Panama 17->48 36 C:\Users\user\Desktop36IKHQAIQAU.png, data 17->36 dropped 38 C:\Users\user\Desktop\...\WUTJSCBCFX.png, data 17->38 dropped 40 C:\Users\user\...\FEokkzBJo5.exe.adlg (copy), MS-DOS 17->40 dropped 46 3 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, 49694, 49695 ACPCA Canada 22->50 42 C:\Users\user\AppData\...\FEokkzBJo5.exe, PE32 22->42 dropped 44 C:\Users\...\FEokkzBJo5.exe:Zone.Identifier, ASCII 22->44 dropped 28 FEokkzBJo5.exe 22->28         started        31 icacls.exe 22->31         started        file7 signatures8 process9 signatures10 68 Injects a PE file into a foreign processes 28->68 33 FEokkzBJo5.exe 12 28->33         started        process11 dnsIp12 52 api.2ip.ua 33->52
Threat name:
Win32.Trojan.RedLine
Status:
Malicious
First seen:
2022-10-03 15:44:08 UTC
File Type:
PE (Exe)
Extracted files:
6
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:djvu family:vidar botnet:517 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
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://winnlinne.com/test1/get.php
https://t.me/larsenup
https://ioc.exchange/@zebra54
Unpacked files
SH256 hash:
1d18b56af68dc83bd5fe61d057f69312082bef894386508cd0f64be3dc3b6e9a
MD5 hash:
3154e4e1340503915350e6a9f1b814a1
SHA1 hash:
1e7db3c7e9bb20dd4972d2da804a3e6936b7f0ad
Detections:
win_stop_auto
SH256 hash:
4642c5bc794aed8a3c6280bb9565a346588e4e35f054332553bc581b2cb5d489
MD5 hash:
3063e803297785cc396e7342e401100f
SHA1 hash:
e590b314e4e0dc98d4e691f43af84e390cb5993f
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:RansomwareTest8
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
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:win_stop_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.stop.
Rule name:win_vidar_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.vidar.

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Stop

Executable exe 4642c5bc794aed8a3c6280bb9565a346588e4e35f054332553bc581b2cb5d489

(this sample)

  
Delivery method
Distributed via web download

Comments