MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ebc88e64b881fb5001d4121111ed8bce4ee580d65eb7410b0378645aaec315f5. 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: 14


Intelligence 14 IOCs YARA 5 File information Comments 1

SHA256 hash: ebc88e64b881fb5001d4121111ed8bce4ee580d65eb7410b0378645aaec315f5
SHA3-384 hash: 3b9341b1d2b0ce730c8578eb3d215310ffab94413659a900a320c5263e3f1cbdfd2b0218176a3e033a329a561831096b
SHA1 hash: 8fe40f604f1a377ef7b4913c026d8464c8b5c07d
MD5 hash: 248eaf78e609859febb3bd4316d8df29
humanhash: hawaii-kansas-hot-six
File name:248eaf78e609859febb3bd4316d8df29
Download: download sample
Signature Stop
File size:837'632 bytes
First seen:2022-07-26 10:39:46 UTC
Last seen:2022-07-26 12:36:20 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 9f971d78258087988285d908160f80ff (6 x Smoke Loader, 4 x RedLineStealer, 3 x Stop)
ssdeep 24576:lE114h0SbTy9yoThJU66JV/6nxZFiX2y:fzbTyQgzY8xg
TLSH T13A050200BA90D03DF47741F479B682A8B52EBDA16B3481C722D93BEE56346E4ECB5317
TrID 40.5% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
17.0% (.SCR) Windows screen saver (13101/52/3)
13.6% (.EXE) Win64 Executable (generic) (10523/12/4)
8.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon b2dacabecee6baa6 (148 x RedLineStealer, 145 x Stop, 100 x Smoke Loader)
Reporter zbetcheckin
Tags:32 exe Stop

Intelligence


File Origin
# of uploads :
2
# of downloads :
297
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
ebc88e64b881fb5001d4121111ed8bce4ee580d65eb7410b0378645aaec315f5.zip
Verdict:
Malicious activity
Analysis date:
2022-07-26 12:11:10 UTC
Tags:
trojan ransomware stop loader stealer

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
DNS request
Sending a custom TCP request
Сreating synchronization primitives
Creating a file in the %temp% directory
Running batch commands
Creating a process with a hidden window
Result
Malware family:
n/a
Score:
  9/10
Tags:
n/a
Behaviour
MalwareBazaar
CPUID_Instruction
SystemUptime
MeasuringTime
EvasionGetTickCount
CheckCmdLine
EvasionQueryPerformanceCounter
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:
Detection:
malicious
Classification:
rans.troj.evad
Score:
100 / 100
Signature
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 submitted file
Snort IDS alert for network traffic
Yara detected Djvu Ransomware
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 673481 Sample: mmKLdyeqPu Startdate: 26/07/2022 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 mmKLdyeqPu.exe 2->8         started        11 mmKLdyeqPu.exe 2->11         started        13 mmKLdyeqPu.exe 2->13         started        15 mmKLdyeqPu.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 mmKLdyeqPu.exe 18 8->17         started        22 mmKLdyeqPu.exe 1 17 11->22         started        24 mmKLdyeqPu.exe 13 13->24         started        26 mmKLdyeqPu.exe 13 15->26         started        process5 dnsIp6 48 acacaca.org 58.235.189.192, 49786, 80 SKB-ASSKBroadbandCoLtdKR Korea Republic of 17->48 36 C:\_readme.txt, ASCII 17->36 dropped 38 C:\Users\user\...\mmKLdyeqPu.exe.vvew (copy), MS-DOS 17->38 dropped 40 C:\Users\user\Desktop\mmKLdyeqPu.exe, 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, 49765, 49766 ACPCA Canada 22->50 42 C:\Users\user\AppData\...\mmKLdyeqPu.exe, PE32 22->42 dropped 44 C:\Users\...\mmKLdyeqPu.exe:Zone.Identifier, ASCII 22->44 dropped 28 mmKLdyeqPu.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 mmKLdyeqPu.exe 13 28->33         started        process11 dnsIp12 52 api.2ip.ua 33->52
Threat name:
Win32.Ransomware.StopCrypt
Status:
Malicious
First seen:
2022-07-26 10:40:11 UTC
File Type:
PE (Exe)
Extracted files:
36
AV detection:
24 of 26 (92.31%)
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
Delays execution with timeout.exe
Kills process with taskkill
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
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://acacaca.org/test1/get.php
https://climatejustice.social/@ffoleg94
Unpacked files
SH256 hash:
ebc88e64b881fb5001d4121111ed8bce4ee580d65eb7410b0378645aaec315f5
MD5 hash:
248eaf78e609859febb3bd4316d8df29
SHA1 hash:
8fe40f604f1a377ef7b4913c026d8464c8b5c07d
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.

File information


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

Web download

Stop

Executable exe ebc88e64b881fb5001d4121111ed8bce4ee580d65eb7410b0378645aaec315f5

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-07-26 10:39:49 UTC

url : hxxp://rgyui.top/dl/buildz.exe