MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a1bc2c6d8a10c0c9736c2bded4d71a4b76608ef4791215673841b7e79b597499. 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 1 YARA 5 File information Comments

SHA256 hash: a1bc2c6d8a10c0c9736c2bded4d71a4b76608ef4791215673841b7e79b597499
SHA3-384 hash: ef1fd6018dcab23c7d99499bd67ad1a102b0c3ae092f4f2919e537ffde17f2bcf3d20c8465798a2e5938880135989d47
SHA1 hash: 1878896d73aaa6b29d72084b74c6fdc2cbb0bddb
MD5 hash: d6b2118811f9e60a21733d2cbd452309
humanhash: south-red-lake-apart
File name:file
Download: download sample
Signature Stop
File size:742'912 bytes
First seen:2022-09-07 09:16:37 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash c6ebcce34f52724120b39c7a195cfc37 (4 x RedLineStealer, 3 x RecordBreaker, 2 x Smoke Loader)
ssdeep 12288:3hVDyu8OXdT4jvoG6WX+e+HOiGPEJ6mPBooFNwaHgcr9xnp:3hVDyuDdT479OpOipQmZoIrf
Threatray 1'709 similar samples on MalwareBazaar
TLSH T160F41212B660C077C6B106714B71C7E15BBE39726338819F6B15F69B3E702E09D7A326
TrID 61.4% (.EXE) Win32 EXE PECompact compressed (generic) (41569/9/9)
15.5% (.EXE) Win64 Executable (generic) (10523/12/4)
7.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.6% (.EXE) Win32 Executable (generic) (4505/5/1)
2.9% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 480c3c4c4f590b14 (23 x Smoke Loader, 16 x Amadey, 15 x RedLineStealer)
Reporter andretavare5
Tags:exe Stop


Avatar
andretavare5
Sample downloaded from http://rgyui.top/dl/build.exe

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
http://159.69.102.99/1619 https://threatfox.abuse.ch/ioc/848075/

Intelligence


File Origin
# of uploads :
1
# of downloads :
282
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-09-07 09:18:38 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
Creating a window
Unauthorized injection to a recently created process
Creating a file
Launching a process
Creating a process with a hidden window
Creating a file in the system32 subdirectories
Sending a custom TCP request
Adding an access-denied ACE
Сreating synchronization primitives
Creating a file in the %AppData% subdirectories
Moving a file to the %AppData% subdirectory
Deleting a recently created file
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
Result
Malware family:
n/a
Score:
  9/10
Tags:
n/a
Behaviour
MalwareBazaar
SystemUptime
MeasuringTime
CPUID_Instruction
CheckCmdLine
EvasionQueryPerformanceCounter
EvasionGetTickCount
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
Contains functionality to inject code into remote processes
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 dropped file
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: 698733 Sample: file.exe Startdate: 07/09/2022 Architecture: WINDOWS Score: 100 54 Snort IDS alert for network traffic 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 Antivirus detection for URL or domain 2->58 60 5 other signatures 2->60 8 file.exe 2->8         started        11 file.exe 2->11         started        13 file.exe 2->13         started        15 file.exe 2->15         started        process3 signatures4 64 Multi AV Scanner detection for dropped file 8->64 66 Machine Learning detection for dropped file 8->66 68 Injects a PE file into a foreign processes 8->68 17 file.exe 19 8->17         started        70 Contains functionality to inject code into remote processes 11->70 22 file.exe 1 16 11->22         started        24 file.exe 12 13->24         started        26 file.exe 12 15->26         started        process5 dnsIp6 48 acacaca.org 116.121.62.237, 49763, 80 CJNET-ASCheiljedangCoIncKR Korea Republic of 17->48 36 C:\Users\user\...\ChromeSetup.exe.mmvb (copy), MS-DOS 17->36 dropped 38 C:\Users\user\Downloads\ChromeSetup.exe, MS-DOS 17->38 dropped 40 C:\Users\user\Desktop\file.exe.mmvb (copy), MS-DOS 17->40 dropped 46 5 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, 49751, 49752 ACPCA Canada 22->50 42 C:\Users\user\AppData\Local\...\file.exe, PE32 22->42 dropped 44 C:\Users\user\...\file.exe:Zone.Identifier, ASCII 22->44 dropped 28 file.exe 22->28         started        31 icacls.exe 22->31         started        file7 signatures8 process9 signatures10 72 Injects a PE file into a foreign processes 28->72 33 file.exe 12 28->33         started        process11 dnsIp12 52 api.2ip.ua 33->52
Threat name:
Win32.Ransomware.StopCrypt
Status:
Malicious
First seen:
2022-09-07 09:17:10 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:djvu 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
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
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/test3/get.php
Unpacked files
SH256 hash:
c972dcecde8738716132919d66940891541fd3a42fcb75b30f3ffa76e40ab17b
MD5 hash:
cda3deaf1e9bbc27041b04d7446bed6c
SHA1 hash:
a437d57c2698bd9606802400985ea254449dd20e
Detections:
win_stop_auto
Parent samples :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 hash:
a1bc2c6d8a10c0c9736c2bded4d71a4b76608ef4791215673841b7e79b597499
MD5 hash:
d6b2118811f9e60a21733d2cbd452309
SHA1 hash:
1878896d73aaa6b29d72084b74c6fdc2cbb0bddb
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.

  
Dropped by
PrivateLoader
  
Delivery method
Distributed via drive-by

Comments