MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a42ad9b88509630f930d8877be30d53b6fad885e9ec9a94b38177423a15eec58. 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 4 File information Comments

SHA256 hash: a42ad9b88509630f930d8877be30d53b6fad885e9ec9a94b38177423a15eec58
SHA3-384 hash: 655f757e2749c5eac5a2169e25f3748f14d197e69e8e2ffd7f2f926330717d987b0932457a18aaf2617b4efda66933fd
SHA1 hash: ee6f0d364ad0e1176f336aca53380b2fd55d65c5
MD5 hash: a582324fbeb439914754431ca72d2b4a
humanhash: avocado-alabama-october-diet
File name:a42ad9b88509630f930d8877be30d53b6fad885e9ec9a94b38177423a15eec58
Download: download sample
Signature Stop
File size:796'672 bytes
First seen:2022-04-04 06:22:37 UTC
Last seen:2022-04-04 06:55:35 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f13d3005e6e565a1364782e0e3c75a05 (6 x Stop)
ssdeep 24576:UvZ2a24EZIO+lf2Zue8Gh3c0FwL7BvMF8XfK:UfOLuzCFG7U
Threatray 1'093 similar samples on MalwareBazaar
TLSH T19F05F110BB90C035E57726F499B993AC792F79B0973190CB62D917EE5A386E0ED3031B
File icon (PE):PE icon
dhash icon b6dacabecee6baa6 (72 x Stop, 68 x RedLineStealer, 55 x Smoke Loader)
Reporter JAMESWT_WT
Tags:exe Stop

Intelligence


File Origin
# of uploads :
2
# of downloads :
227
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a window
Unauthorized injection to a recently created process
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Creating a file
Creating a process with a hidden window
Adding an access-denied ACE
Сreating synchronization primitives
Deleting a recently created file
Searching for synchronization primitives
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Query of malicious DNS domain
Enabling autorun by creating a file
Sending an HTTP GET request to an infection source
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Behaviour
MalwareBazaar
SystemUptime
MeasuringTime
EvasionQueryPerformanceCounter
EvasionGetTickCount
CheckCmdLine
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware packed
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:
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 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 dropped file
Multi AV Scanner detection for submitted file
Possible FUD Crypter (malicious underground PE packer) detected
Yara detected Djvu Ransomware
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 602221 Sample: 80IDDxUlPo Startdate: 04/04/2022 Architecture: WINDOWS Score: 100 56 Found malware configuration 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 Antivirus detection for URL or domain 2->60 62 5 other signatures 2->62 8 80IDDxUlPo.exe 2->8         started        11 80IDDxUlPo.exe 2->11         started        13 80IDDxUlPo.exe 2->13         started        15 80IDDxUlPo.exe 2->15         started        process3 signatures4 66 Injects a PE file into a foreign processes 8->66 17 80IDDxUlPo.exe 18 8->17         started        68 Possible FUD Crypter (malicious underground PE packer) detected 11->68 70 Contains functionality to inject code into remote processes 11->70 22 80IDDxUlPo.exe 1 16 11->22         started        72 Multi AV Scanner detection for dropped file 13->72 74 Machine Learning detection for dropped file 13->74 24 80IDDxUlPo.exe 12 13->24         started        26 80IDDxUlPo.exe 12 15->26         started        process5 dnsIp6 48 fuyt.org 1.248.122.240, 49767, 80 SKB-ASSKBroadbandCoLtdKR Korea Republic of 17->48 36 C:\Users\user\Desktop\SNIPGPPREP.mp3, data 17->36 dropped 38 C:\Users\user\DesktopbehaviorgraphIGIYTFFYT.pdf, data 17->38 dropped 40 C:\Users\user\DesktopWZCVGNOWT.png, data 17->40 dropped 46 3 other malicious files 17->46 dropped 64 Modifies existing user documents (likely ransomware behavior) 17->64 50 api.2ip.ua 162.0.217.254, 443, 49755, 49756 ACPCA Canada 22->50 42 C:\Users\user\AppData\...\80IDDxUlPo.exe, PE32 22->42 dropped 44 C:\Users\...\80IDDxUlPo.exe:Zone.Identifier, ASCII 22->44 dropped 28 80IDDxUlPo.exe 22->28         started        31 icacls.exe 22->31         started        file7 signatures8 process9 signatures10 76 Injects a PE file into a foreign processes 28->76 33 80IDDxUlPo.exe 12 28->33         started        process11 dnsIp12 52 192.168.2.1 unknown unknown 33->52 54 api.2ip.ua 33->54
Threat name:
Win32.Ransomware.Stop
Status:
Malicious
First seen:
2022-03-31 05:20:59 UTC
File Type:
PE (Exe)
Extracted files:
16
AV detection:
24 of 26 (92.31%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:djvu ransomware
Behaviour
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Detected Djvu ransomware
Djvu Ransomware
Malware Config
C2 Extraction:
http://fuyt.org/fhsgtsspen6/get.php
Unpacked files
SH256 hash:
746d1a34ce76a607bb0b97653ad7228c724a84928e6c0f36f0501e292f767f2a
MD5 hash:
bc0c5e09b01f13c875855f396747dd0a
SHA1 hash:
ffd0e6de18ab144317774f5601efb47f7b20475c
Detections:
win_stop_auto
SH256 hash:
a42ad9b88509630f930d8877be30d53b6fad885e9ec9a94b38177423a15eec58
MD5 hash:
a582324fbeb439914754431ca72d2b4a
SHA1 hash:
ee6f0d364ad0e1176f336aca53380b2fd55d65c5
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: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.

Comments