MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 81cd576957b4b67e51a30ba43175d761d4ba32729a0db5622661c169d4a70cf8. 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 1 YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 81cd576957b4b67e51a30ba43175d761d4ba32729a0db5622661c169d4a70cf8
SHA3-384 hash: cc2e6276102168cde1b6b7e9b49cf54f314ee069c4b8f622d1d21fbc6e0a035236c4ce3132af9410d99ed91ef6d31890
SHA1 hash: 4935386d5a008fcc12c4ab1230575dd014a81621
MD5 hash: 274a3adc493e3976af2c17b42f28c9e2
humanhash: happy-pip-jupiter-item
File name:274a3adc493e3976af2c17b42f28c9e2.exe
Download: download sample
Signature Stop
Create hunting rule
File size:809'984 bytes
First seen:2022-10-12 01:20:18 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash afa40a8f119ca29f0ebda513acdae086 (2 x RedLineStealer, 1 x Stop)
ssdeep 24576:4W6XJi3MKnSQaC6ip96sasGf9/J8vt/0sZH:41g8Knf/aL9m/0
Threatray 2'508 similar samples on MalwareBazaar
TLSH T178051231B242F4BAC40126704889DF925F7FAD351A9445C73F286A9EBEB71C0A67630F
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 38b078eccacccc43 (88 x Smoke Loader, 38 x Stop, 33 x RedLineStealer)
Reporter abuse_ch
Tags:exe Stop


Avatar
abuse_ch
Stop C2:
http://195.201.251.151/

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
http://195.201.251.151/ https://threatfox.abuse.ch/ioc/876971/

Intelligence

File Origin
# of uploads :
1
# of downloads :
281
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/319108/
Detection(s):
Win.Malware.Azorult-9949206-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
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:
  9/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/42583/overview
Behaviour
MalwareBazaar
CPUID_Instruction
SystemUptime
MeasuringTime
CheckCmdLine
EvasionQueryPerformanceCounter
EvasionGetTickCount
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware packed
Link:
https://www.filescan.io/uploads/6346167f84a686684c9a760c/reports/d3693f08-0efd-4127-9e68-aff42fc511e0/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/76c8c947-ec9b-42fb-aa49-7a9d9599f6ab
Result
Threat name:
Djvu
Create hunting rule
Detection:
malicious
Classification:
rans.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1088431
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
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)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Yara detected Djvu Ransomware
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 721024 Sample: rypKFOWCg1.exe Startdate: 12/10/2022 Architecture: WINDOWS Score: 100 45 Malicious sample detected (through community Yara rule) 2->45 47 Antivirus detection for URL or domain 2->47 49 Multi AV Scanner detection for submitted file 2->49 51 3 other signatures 2->51 8 rypKFOWCg1.exe 2->8         started        11 rypKFOWCg1.exe 2->11         started        13 rypKFOWCg1.exe 2->13         started        15 rypKFOWCg1.exe 2->15         started        process3 signatures4 53 Contains functionality to inject code into remote processes 8->53 55 Injects a PE file into a foreign processes 8->55 17 rypKFOWCg1.exe 1 16 8->17         started        57 Multi AV Scanner detection for dropped file 11->57 59 Machine Learning detection for dropped file 11->59 21 rypKFOWCg1.exe 12 11->21         started        23 rypKFOWCg1.exe 12 13->23         started        25 rypKFOWCg1.exe 12 15->25         started        process5 dnsIp6 41 api.2ip.ua 162.0.217.254, 443, 49699, 49700 ACPCA Canada 17->41 35 C:\Users\user\AppData\...\rypKFOWCg1.exe, PE32 17->35 dropped 37 C:\Users\...\rypKFOWCg1.exe:Zone.Identifier, ASCII 17->37 dropped 27 rypKFOWCg1.exe 17->27         started        30 icacls.exe 17->30         started        43 192.168.2.1 unknown unknown 25->43 file7 process8 signatures9 61 Injects a PE file into a foreign processes 27->61 32 rypKFOWCg1.exe 12 27->32         started        process10 dnsIp11 39 api.2ip.ua 32->39
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/81cd576957b4b67e51a30ba43175d761d4ba32729a0db5622661c169d4a70cf8/
Threat name:
Win32.Ransomware.StopCrypt
Create hunting rule
Status:
Malicious
First seen:
2022-10-09 04:03:02 UTC
File Type:
PE (Exe)
Extracted files:
46
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qhgvo2kxws3h4undbosdc5oxmhklumtstig3kyrgmhawtvfhbt4a._file
Verdict:
malicious
Similar samples:
02a87215da30b1e27f605464c85f8098db4f3a811de81ee9984050501c0ab779
Stop
5ab8d32927203def3d2ceebbed3917262444235b9750e1ca6d73b0649ce1207f
Stop
5fd628901f00dc6a963eb149d432194b8ba17c5338a8cb85fc2494afa2538750
Stop
79e5e857263ed2c700be510f2457689da61829e196fc85ec19f9b46f3ee35015
Stop
87a4e09cd09cdee5b196d6a137868ecd979ae1e69ec188ff39459327b68bd402
Stop
dd9a64a470c39aedc3a50899e5ade2369338a03c71ba1f06e2a58bb42383102c
Stop
e5180878448b956a3d4a0c2683ab08925eba132086afb4e16f166f867b3fa063
Stop
ec93ce8cce6f314e3df3ff7e7bed1e2acbe48e6871584c7ec4ef49a5febd4aa9
Stop
ecf5a7c0c8a708febee4c319333f6754c95556f94c4843076bdfae591c635a0c
Stop
ef1477a442887fcf823558834cf0fbde006ea6fd30da2a79bdf93a9e439d77fe
Stop
+ 2'498 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
Link:
https://tria.ge/reports/221012-bqnchscbap/
Behaviour
Checks processor information in registry
Creates scheduled task(s)
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
Vidar
Malware Config
C2 Extraction:
http://winnlinne.com/test1/get.php
https://t.me/truewallets
https://mas.to/@zara99
http://116.203.10.3:80
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/642fbad6-8ba5-4f78-b2cd-8bc918b5608f
Unpacked files
SH256 hash:
fcafaf8767d90b1363d630ad143fa20e0e0b1d15a05b76246e9e80fc67c0fd6a
MD5 hash:
065efd16f32358304b7b56b50e3c3fab
SHA1 hash:
68b2fb124bab767e3dc322e55694bdcab4ed3244
Detections:
win_stop_auto
Create hunting rule
Link:
https://www.unpac.me/results/2aa6e0e1-951c-46b2-885b-364c99200286/
Parent samples :
1ab5a24ccad1f77bc4a9c00c32671d19d8350d47bc8408693dbdbd3f30ea3bdd
77f6a304c9f641f5c2bb23f1071a28518532f08ecf6aaf99133dfcc89491bcd8
81cd576957b4b67e51a30ba43175d761d4ba32729a0db5622661c169d4a70cf8
SH256 hash:
81cd576957b4b67e51a30ba43175d761d4ba32729a0db5622661c169d4a70cf8
MD5 hash:
274a3adc493e3976af2c17b42f28c9e2
SHA1 hash:
4935386d5a008fcc12c4ab1230575dd014a81621
Link:
https://www.unpac.me/results/2aa6e0e1-951c-46b2-885b-364c99200286/
Malware family:
STOP
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/81cd576957b4/report/overview.html
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/81cd576957b4b67e51a30ba43175d761d4ba32729a0db5622661c169d4a70cf8

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:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB
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.

Cape
Cape
https://www.capesandbox.com/analysis/319108/

Comments