MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 318a7cdf1b5ff5ae103c5b8fd73b4c41433ea09c0e0a324b7c08cdd805f1fe6c. 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 6 File information Comments

SHA256 hash: 318a7cdf1b5ff5ae103c5b8fd73b4c41433ea09c0e0a324b7c08cdd805f1fe6c
SHA3-384 hash: 91c8c3f4aac8ea1e9e65fb7fec5a4059b84abb7b04a103d698716e2ab42bcfa3f6dfc62068af5a9fa995dc6f90580e6a
SHA1 hash: 613c6027ea63346cccd2611bc9fdc00c11e29baf
MD5 hash: 7647a2a4a0fd595a58f7a9c375c32726
humanhash: april-bluebird-eighteen-april
File name:7647a2a4a0fd595a58f7a9c375c32726.exe
Download: download sample
Signature Stop
File size:744'960 bytes
First seen:2022-08-19 09:45:40 UTC
Last seen:2022-08-19 10:34:17 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 80a150c417e96af9c4857a7c7ed6a560 (1 x Stop, 1 x RecordBreaker, 1 x ArkeiStealer)
ssdeep 12288:Rax7vk+RWlpQREIJoEJt8/Yb4006l3XMjtO09sLkH5Sul6JJr:kVDYl5I3t8Ab4+BMRVmkkul41
TLSH T1A9F412223E98D0B7D0221E34596986A25A7F78113938D557F3B4EB7FEE303C18A75389
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 38b078cccacccc53 (62 x Smoke Loader, 25 x Stop, 21 x RedLineStealer)
Reporter abuse_ch
Tags:exe Stop


Avatar
abuse_ch
Stop C2:
http://45.8.147.224/

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
http://45.8.147.224/ https://threatfox.abuse.ch/ioc/844082/

Intelligence


File Origin
# of uploads :
2
# of downloads :
377
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
7647a2a4a0fd595a58f7a9c375c32726.exe
Verdict:
Malicious activity
Analysis date:
2022-08-19 09:46:31 UTC
Tags:
n/a

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
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:
  8/10
Tags:
n/a
Behaviour
MalwareBazaar
SystemUptime
MeasuringTime
EvasionQueryPerformanceCounter
CheckCmdLine
EvasionGetTickCount
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware packed ransomware
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:
Djvu, Vidar
Detection:
malicious
Classification:
rans.spre.troj.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (creates a PE file in dynamic memory)
Found many strings related to Crypto-Wallets (likely being stolen)
Found ransom note / readme
Infects executable files (exe, dll, sys, html)
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
Writes many files with high entropy
Yara detected Djvu Ransomware
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 686827 Sample: iFCuu2NeW9.exe Startdate: 19/08/2022 Architecture: WINDOWS Score: 100 75 Snort IDS alert for network traffic 2->75 77 Multi AV Scanner detection for domain / URL 2->77 79 Malicious sample detected (through community Yara rule) 2->79 81 10 other signatures 2->81 10 iFCuu2NeW9.exe 2->10         started        13 iFCuu2NeW9.exe 2->13         started        15 iFCuu2NeW9.exe 2->15         started        17 iFCuu2NeW9.exe 2->17         started        process3 signatures4 97 Writes many files with high entropy 10->97 99 Injects a PE file into a foreign processes 10->99 19 iFCuu2NeW9.exe 1 17 10->19         started        23 iFCuu2NeW9.exe 13->23         started        26 iFCuu2NeW9.exe 12 15->26         started        28 iFCuu2NeW9.exe 12 17->28         started        process5 dnsIp6 61 api.2ip.ua 162.0.217.254, 443, 49707, 49708 ACPCA Canada 19->61 47 C:\Users\...\iFCuu2NeW9.exe:Zone.Identifier, ASCII 19->47 dropped 49 C:\Users\user\AppData\...\iFCuu2NeW9.exe, MS-DOS 19->49 dropped 30 iFCuu2NeW9.exe 19->30         started        33 icacls.exe 19->33         started        51 C:\Users\user\Desktop\...\JDDHMPCDUJ.pdf, data 23->51 dropped 87 Modifies existing user documents (likely ransomware behavior) 23->87 63 192.168.2.1 unknown unknown 26->63 file7 signatures8 process9 signatures10 107 Injects a PE file into a foreign processes 30->107 35 iFCuu2NeW9.exe 1 23 30->35         started        process11 dnsIp12 65 rgyui.top 189.164.252.207, 49709, 80 UninetSAdeCVMX Mexico 35->65 67 acacaca.org 151.251.24.5, 49710, 49711, 80 IBGCBG Bulgaria 35->67 69 api.2ip.ua 35->69 53 C:\Users\user\AppData\Local\...\build2[1].exe, PE32 35->53 dropped 55 C:\Users\user\AppData\Local\...\build2.exe, PE32 35->55 dropped 57 C:\_readme.txt, ASCII 35->57 dropped 59 41 other files (38 malicious) 35->59 dropped 83 Infects executable files (exe, dll, sys, html) 35->83 85 Modifies existing user documents (likely ransomware behavior) 35->85 40 build2.exe 35->40         started        file13 signatures14 process15 signatures16 89 Multi AV Scanner detection for dropped file 40->89 91 Detected unpacking (creates a PE file in dynamic memory) 40->91 93 Machine Learning detection for dropped file 40->93 95 Injects a PE file into a foreign processes 40->95 43 build2.exe 40->43         started        process17 dnsIp18 71 45.8.147.224, 49719, 80 VMAGE-ASRU Russian Federation 43->71 73 t.me 149.154.167.99, 443, 49718 TELEGRAMRU United Kingdom 43->73 101 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 43->101 103 Tries to harvest and steal browser information (history, passwords, etc) 43->103 105 Tries to steal Crypto Currency Wallets 43->105 signatures19
Threat name:
Win32.Ransomware.StopCrypt
Status:
Malicious
First seen:
2022-08-19 09:46:08 UTC
File Type:
PE (Exe)
Extracted files:
30
AV detection:
15 of 26 (57.69%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:djvu discovery persistence ransomware spyware stealer
Behaviour
Checks processor information in registry
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
Malware Config
C2 Extraction:
http://acacaca.org/fhsgtsspen6/get.php
Unpacked files
SH256 hash:
23bb733d92eb0db62bf45486c8ede9f794282233f228fc9f0d30c8d58e8fe91b
MD5 hash:
55e6668c9a8afd326641d1fb2ee0f571
SHA1 hash:
8688db1dc3ba2426c5ebaa0ee64e7e05320ca576
Detections:
win_stop_auto
SH256 hash:
318a7cdf1b5ff5ae103c5b8fd73b4c41433ea09c0e0a324b7c08cdd805f1fe6c
MD5 hash:
7647a2a4a0fd595a58f7a9c375c32726
SHA1 hash:
613c6027ea63346cccd2611bc9fdc00c11e29baf
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: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 318a7cdf1b5ff5ae103c5b8fd73b4c41433ea09c0e0a324b7c08cdd805f1fe6c

(this sample)

  
Delivery method
Distributed via web download

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