MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1aa3ffdc68b849440e56aeb75c8acf537dcb02fe73936ffa7f0d73e7f6a9881a. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1aa3ffdc68b849440e56aeb75c8acf537dcb02fe73936ffa7f0d73e7f6a9881a
SHA3-384 hash: 989c49845459e73e9f5a6b356ebac86b4654584293f222cc431fc0b2e3f3b3d559ed7fbc3f2cdbb23aca317fc880240b
SHA1 hash: 78891e1c15917fd8c5cd9fda6ae16de18920adba
MD5 hash: 8598e1bbd9ba184b5b2aaada72efefc8
humanhash: five-asparagus-enemy-comet
File name:8598e1bbd9ba184b5b2aaada72efefc8.exe
Download: download sample
Signature Stop
Create hunting rule
File size:798'208 bytes
First seen:2022-05-08 17:40:38 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 8418d14a42cfb4088cd49d99ad4e93bf (4 x Stop, 2 x RedLineStealer)
ssdeep 12288:ECrp/5YhtZboJQhGXhOaSB/VEbB5l8CSdQD9Fs5/+kl2GBgTJPDwJle8nbyIT3Hv:xvCToUGTbHl3fAdH2JF8N3TD7Lo2
Threatray 1'230 similar samples on MalwareBazaar
TLSH T14C050210BB90D035F1B711F4997983A9BA3EBEE15B2041CFA2E51ADE42346E4EC7135B
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 b6dacaaecee6baa6 (15 x RedLineStealer, 14 x Stop, 7 x RaccoonStealer)
Reporter abuse_ch
Tags:exe Stop


Avatar
abuse_ch
Stop C2:
http://ugll.org/fhsgtsspen6/get.php

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
http://ugll.org/fhsgtsspen6/get.php https://threatfox.abuse.ch/ioc/548952/

Intelligence

File Origin
# of uploads :
1
# of downloads :
245
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
8598e1bbd9ba184b5b2aaada72efefc8.exe
Verdict:
Malicious activity
Analysis date:
2022-05-08 17:41:14 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/9efbc807-eacb-448e-9e19-671a0ef20901

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Packed.Pwsx-9949493-0
Create hunting rule

Win.Malware.Pwsx-9949612-0
Create hunting rule

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
Sending an HTTP GET request
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
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
Link:
https://dragonfly.certego.net/analysis/16736/overview
Behaviour
MalwareBazaar
MeasuringTime
SystemUptime
CheckCmdLine
EvasionGetTickCount
EvasionQueryPerformanceCounter
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware packed smokeloader
Link:
https://www.filescan.io/uploads/627800c691db101969cb91fa/reports/4ef21a57-c593-4d9e-a32b-c037012db659/overview
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/66fbfc4b-340f-40f0-bc48-72c21f65fd44
Result
Threat name:
Djvu
Create hunting rule
Detection:
malicious
Classification:
rans.troj.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/989799
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Possible FUD Crypter (malicious underground PE packer) detected
Yara detected Djvu Ransomware
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1aa3ffdc68b849440e56aeb75c8acf537dcb02fe73936ffa7f0d73e7f6a9881a/
Threat name:
Win32.Ransomware.StopCrypt
Create hunting rule
Status:
Malicious
First seen:
2022-05-07 03:20:04 UTC
File Type:
PE (Exe)
Extracted files:
20
AV detection:
32 of 42 (76.19%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=dkr77xdixbeuidswv23vzcwpkn64wax6oojw76t7bvz6p5vjrana._file
Verdict:
malicious
Similar samples:
44112b6d303c7df1528b55525872fef0f08de8c2a467f8e4d3b820f634f1f2c2
Stop
47dc60477bc9c5c8c3bd3cca454cec1121c2dac80c07ef460fe80b43d8fd38a2
Stop
8300461fa790545afed415e391f96ab3f324538044e099935c34c033ad2286dd
Stop
86952bc63598b98d3695e09a6482b4af5edd4c596e5a6c2a2b84ca7f0d0cfa3f
Stop
ba53f24d6448dfc4b1a4a9b73d7d24ecc31a05a4e26ee051ba5ada4312f319d1
Stop
caca8f67d188c05d277c361ba09ccea123651f092cbed2cdf9d48e9ab4df118b
Stop
d3ca0ef14e8dc45497faba304acf842bb2f2913ca2108600ee2771f9e9a24f9c
Stop
de1bec11380a046d35656cb592a399445a6deb5934a2892dcd5dac3d0f61c55e
Stop
+ 1'220 additional samples on MalwareBazaar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:djvu family:vidar botnet:517 discovery persistence ransomware spyware stealer suricata
Link:
https://tria.ge/reports/220508-v9en9sdgf8/
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
Vidar Stealer
Detected Djvu ransomware
Djvu Ransomware
Vidar
suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
suricata: ET MALWARE W32/Agent.OGR!tr.pws Stealer
suricata: ET MALWARE Win32/Filecoder.STOP Variant Public Key Download
suricata: ET MALWARE Win32/Filecoder.STOP Variant Request for Public Key
suricata: ET MALWARE Win32/Vodkagats Loader Requesting Payload
Malware Config
C2 Extraction:
http://ugll.org/fhsgtsspen6/get.php
https://t.me/hollandracing
https://busshi.moe/@ronxik321
Unpacked files
SH256 hash:
f89203978f735f805dd931154336a48cb669c2add661ce55c598c3733e1d2ffd
MD5 hash:
2eebe9d1880fa13c9e4aca027eb5fc2d
SHA1 hash:
4fc09718d89198e4e5718b7cf532caaf0c28c97d
Detections:
win_stop_auto
Create hunting rule
Link:
https://www.unpac.me/results/20a39112-4aec-4dae-a72b-cb1b0999a2f3/
Parent samples :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 hash:
1aa3ffdc68b849440e56aeb75c8acf537dcb02fe73936ffa7f0d73e7f6a9881a
MD5 hash:
8598e1bbd9ba184b5b2aaada72efefc8
SHA1 hash:
78891e1c15917fd8c5cd9fda6ae16de18920adba
Link:
https://www.unpac.me/results/20a39112-4aec-4dae-a72b-cb1b0999a2f3/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/1aa3ffdc68b849440e56aeb75c8acf537dcb02fe73936ffa7f0d73e7f6a9881a

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
Create hunting rule
Author:ditekSHen
Description:Detects STOP ransomware
Rule name:SUSP_XORed_URL_in_EXE
Create hunting rule
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
Create hunting rule
Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:win_stop_auto
Create hunting rule
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