MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fd43bb10d6f447fadf713a9ac033cc3999b4d6cf7a458cd31f69a4ee0d08cd94. 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: 13


Intelligence 13 IOCs 1 YARA 6 File information Comments

SHA256 hash: fd43bb10d6f447fadf713a9ac033cc3999b4d6cf7a458cd31f69a4ee0d08cd94
SHA3-384 hash: dc314d52a1f6bb9f35a4f8ba89d6d693747f90438fd3ac16fad246c87fc512457a699170be6bed19132dddbf99f03dab
SHA1 hash: 200017a6eb8cce90482dfd9087c57f9f43c7d787
MD5 hash: 4c0d16a861270e1e14253b28ced6a5c1
humanhash: mike-arizona-glucose-hydrogen
File name:4c0d16a861270e1e14253b28ced6a5c1.exe
Download: download sample
Signature Stop
File size:801'792 bytes
First seen:2022-08-22 17:31:33 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 23a10c0599daa8b4efa6cbee1d51dfd7 (4 x Smoke Loader, 4 x Stop, 2 x RedLineStealer)
ssdeep 12288:NFwEu2Qxyr8TgkLNaQ5BwJjkX+GL1tHydF5YWPRQ1rGh9Jjw86wFj5j+bu2:fW2aTZ9wJoN1U6u6+6wR5yT
Threatray 1'651 similar samples on MalwareBazaar
TLSH T12B050110BE90D036E0B752F999B982A8F93E7DD1AB5450CF22C129EE17387D5EC3161B
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 2dec1370399b9b91 (25 x RedLineStealer, 21 x Smoke Loader, 8 x ArkeiStealer)
Reporter abuse_ch
Tags:exe Stop


Avatar
abuse_ch
Stop C2:
http://135.181.104.248/

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
http://135.181.104.248/ https://threatfox.abuse.ch/ioc/844709/

Intelligence


File Origin
# of uploads :
1
# of downloads :
330
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
4c0d16a861270e1e14253b28ced6a5c1.exe
Verdict:
Malicious activity
Analysis date:
2022-08-22 17:32:36 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
Sending a custom TCP request
Adding an access-denied ACE
Сreating synchronization primitives
Deleting a recently created file
Searching for synchronization primitives
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:
  8/10
Tags:
n/a
Behaviour
MalwareBazaar
SystemUptime
MeasuringTime
EvasionGetTickCount
EvasionQueryPerformanceCounter
CheckCmdLine
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:
Djvu, Vidar
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (creates a PE file in dynamic memory)
Found many strings related to Crypto-Wallets (likely being stolen)
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 dropped file
Multi AV Scanner detection for submitted file
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Crypto Currency Wallets
Writes many files with high entropy
Yara detected Djvu Ransomware
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 688299 Sample: wrD996N3B3.exe Startdate: 22/08/2022 Architecture: WINDOWS Score: 100 75 Multi AV Scanner detection for domain / URL 2->75 77 Malicious sample detected (through community Yara rule) 2->77 79 Antivirus detection for URL or domain 2->79 81 9 other signatures 2->81 10 wrD996N3B3.exe 2->10         started        13 wrD996N3B3.exe 2->13         started        15 wrD996N3B3.exe 2->15         started        17 wrD996N3B3.exe 2->17         started        process3 signatures4 93 Writes many files with high entropy 10->93 95 Injects a PE file into a foreign processes 10->95 19 wrD996N3B3.exe 1 16 10->19         started        23 wrD996N3B3.exe 13->23         started        26 wrD996N3B3.exe 12 15->26         started        28 wrD996N3B3.exe 12 17->28         started        process5 dnsIp6 61 api.2ip.ua 162.0.217.254, 443, 49715, 49718 ACPCA Canada 19->61 47 C:\Users\...\wrD996N3B3.exe:Zone.Identifier, ASCII 19->47 dropped 49 C:\Users\user\AppData\...\wrD996N3B3.exe, MS-DOS 19->49 dropped 30 wrD996N3B3.exe 19->30         started        33 icacls.exe 19->33         started        51 C:\Users\user\Desktop\...\LHEPQPGEWF.pdf, data 23->51 dropped 85 Modifies existing user documents (likely ransomware behavior) 23->85 63 192.168.2.1 unknown unknown 28->63 file7 signatures8 process9 signatures10 103 Injects a PE file into a foreign processes 30->103 35 wrD996N3B3.exe 1 23 30->35         started        process11 dnsIp12 65 rgyui.top 110.14.121.123, 49720, 80 SKB-ASSKBroadbandCoLtdKR Korea Republic of 35->65 67 acacaca.org 190.140.74.43, 49719, 49721, 80 CableOndaPA Panama 35->67 69 api.2ip.ua 35->69 53 C:\Users\user\AppData\Local\...\build2.exe, PE32 35->53 dropped 55 C:\Users\user\AppData\Local\...\build2[1].exe, PE32 35->55 dropped 57 C:\Users\user\_readme.txt, ASCII 35->57 dropped 59 27 other files (23 malicious) 35->59 dropped 83 Modifies existing user documents (likely ransomware behavior) 35->83 40 build2.exe 35->40         started        file13 signatures14 process15 signatures16 87 Multi AV Scanner detection for dropped file 40->87 89 Detected unpacking (creates a PE file in dynamic memory) 40->89 91 Machine Learning detection for dropped file 40->91 43 build2.exe 40->43         started        process17 dnsIp18 71 t.me 149.154.167.99, 443, 49727 TELEGRAMRU United Kingdom 43->71 73 135.181.104.248, 49729, 80 HETZNER-ASDE Germany 43->73 97 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 43->97 99 Tries to harvest and steal browser information (history, passwords, etc) 43->99 101 Tries to steal Crypto Currency Wallets 43->101 signatures19
Threat name:
Win32.Trojan.Scarsi
Status:
Malicious
First seen:
2022-08-22 17:32:14 UTC
File Type:
PE (Exe)
Extracted files:
16
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:djvu discovery persistence ransomware spyware stealer
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
Detected Djvu ransomware
Djvu Ransomware
Malware Config
C2 Extraction:
http://acacaca.org/fhsgtsspen6/get.php
Unpacked files
SH256 hash:
23bb733d92eb0db62bf45486c8ede9f794282233f228fc9f0d30c8d58e8fe91b
MD5 hash:
55e6668c9a8afd326641d1fb2ee0f571
SHA1 hash:
8688db1dc3ba2426c5ebaa0ee64e7e05320ca576
Detections:
win_stop_auto
SH256 hash:
fd43bb10d6f447fadf713a9ac033cc3999b4d6cf7a458cd31f69a4ee0d08cd94
MD5 hash:
4c0d16a861270e1e14253b28ced6a5c1
SHA1 hash:
200017a6eb8cce90482dfd9087c57f9f43c7d787
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.
Rule name:win_vidar_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.vidar.

File information


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

Web download

Stop

Executable exe fd43bb10d6f447fadf713a9ac033cc3999b4d6cf7a458cd31f69a4ee0d08cd94

(this sample)

  
Delivery method
Distributed via web download

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