MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d1aa899956e3c53f19add62d8a2245f315193b9f8b2809e4d7555e0e486fafec. 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: 11


Intelligence 11 IOCs 1 YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d1aa899956e3c53f19add62d8a2245f315193b9f8b2809e4d7555e0e486fafec
SHA3-384 hash: e68bc446cba99b392b7cb22fb5a47897cb8271560b125db77839b327e9117178cf077bab1469580dbc605834a284613d
SHA1 hash: 86e40607aa57667b3af8ce4c6a239c065157a86c
MD5 hash: da77f5db98902130bb550e4022686c82
humanhash: ceiling-fruit-undress-queen
File name:da77f5db98902130bb550e4022686c82.exe
Download: download sample
Signature Stop
Create hunting rule
File size:867'840 bytes
First seen:2021-05-31 23:26:08 UTC
Last seen:2021-05-31 23:43:18 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 99012338f1bbaabe225761bf7cb06050 (3 x RaccoonStealer, 2 x Stop, 1 x Smoke Loader)
ssdeep 24576:F3W/qF9GU3dqXQuIZuIdSWyfFmfrLutNT:FiUtqXQfBjLg
Threatray 222 similar samples on MalwareBazaar
TLSH 8A05F100A390D034F1F632F586B7926C9A2A7DA2EB7450CF13D5AAEE5A355E0EC31317
Reporter abuse_ch
Tags:exe Stop


Avatar
abuse_ch
Stop C2:
http://162.55.189.141/

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
http://162.55.189.141/ https://threatfox.abuse.ch/ioc/67961/

Intelligence

File Origin
# of uploads :
2
# of downloads :
174
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
da77f5db98902130bb550e4022686c82.exe
Verdict:
Suspicious activity
Analysis date:
2021-05-31 23:29:21 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/8bf99033-8d0e-4ab7-9ac0-5655c707f910

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
STOP
Create hunting rule
Link:
https://www.capesandbox.com/analysis/163582/
Detection(s):
SecuriteInfo.com.Variant.Jaik.46167.8212.14496.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Unauthorized injection to a recently created process
DNS request
Sending a custom TCP request
Creating a file
Launching a process
Creating a process with a hidden window
Adding an access-denied ACE
Deleting a recently created file
Sending an HTTP GET request
Creating a process from a recently created file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
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.
Result
Threat name:
Djvu
Create hunting rule
Detection:
malicious
Classification:
rans.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/794895
Signature
Changes security center settings (notifications, updates, antivirus, firewall)
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
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
Sigma detected: Suspicious Svchost Process
Yara detected Djvu Ransomware
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 427291 Sample: s96GS94ocl.exe Startdate: 01/06/2021 Architecture: WINDOWS Score: 100 55 prda.aadg.msidentity.com 2->55 57 clientconfig.passport.net 2->57 67 Multi AV Scanner detection for domain / URL 2->67 69 Multi AV Scanner detection for submitted file 2->69 71 Found ransom note / readme 2->71 73 3 other signatures 2->73 9 s96GS94ocl.exe 2->9         started        12 s96GS94ocl.exe 2->12         started        14 s96GS94ocl.exe 2->14         started        16 s96GS94ocl.exe 2->16         started        signatures3 process4 signatures5 79 Injects a PE file into a foreign processes 9->79 18 s96GS94ocl.exe 19 9->18         started        81 Contains functionality to inject code into remote processes 12->81 23 s96GS94ocl.exe 1 18 12->23         started        83 Multi AV Scanner detection for dropped file 14->83 85 Machine Learning detection for dropped file 14->85 25 s96GS94ocl.exe 13 14->25         started        27 svchost.exe 16->27         started        29 s96GS94ocl.exe 13 16->29         started        process6 dnsIp7 59 asvb.top 34.105.39.31, 49736, 80 GOOGLEUS United States 18->59 43 C:\_readme.txt, ASCII 18->43 dropped 45 C:\Users\user\Desktop\s96GS94ocl.exe, data 18->45 dropped 47 C:\Users\user\Desktop\...\SUAVTZKNFL.jpg, data 18->47 dropped 53 2 other malicious files 18->53 dropped 75 Modifies existing user documents (likely ransomware behavior) 18->75 61 api.2ip.ua 77.123.139.190, 443, 49720, 49726 VOLIA-ASUA Ukraine 23->61 49 C:\Users\user\AppData\...\s96GS94ocl.exe, PE32 23->49 dropped 51 C:\Users\...\s96GS94ocl.exe:Zone.Identifier, ASCII 23->51 dropped 31 s96GS94ocl.exe 23->31         started        34 icacls.exe 23->34         started        63 192.168.2.1 unknown unknown 25->63 77 Changes security center settings (notifications, updates, antivirus, firewall) 27->77 36 MpCmdRun.exe 29->36         started        file8 signatures9 process10 signatures11 87 Injects a PE file into a foreign processes 31->87 38 s96GS94ocl.exe 13 31->38         started        41 conhost.exe 36->41         started        process12 dnsIp13 65 api.2ip.ua 38->65
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d1aa899956e3c53f19add62d8a2245f315193b9f8b2809e4d7555e0e486fafec/
Threat name:
Win32.Infostealer.Convagent
Create hunting rule
Status:
Malicious
First seen:
2021-05-31 23:27:07 UTC
File Type:
PE (Exe)
Extracted files:
21
AV detection:
25 of 45 (55.56%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=2gvitgkw4pct6gnn2ywyuisf6mkrso47rmuatzgxkvpa4sdpv7wa._file
Verdict:
malicious
Similar samples:
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Stop
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e130228c8ed44ad5e8963c25b57e0f5186b6ef4dd00287e3505cb6be51369c82
Stop
+ 212 additional samples on MalwareBazaar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:djvu family:vidar discovery evasion persistence ransomware spyware stealer
Link:
https://tria.ge/reports/210531-hndz61sjwa/
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
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
Loads dropped DLL
Modifies file permissions
Reads local data of messenger clients
Reads user/profile data of web browsers
Disables Task Manager via registry modification
Downloads MZ/PE file
Drops file in Drivers directory
Executes dropped EXE
Deletes Windows Defender Definitions
Djvu Ransomware
Vidar
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/d1aa899956e3c53f19add62d8a2245f315193b9f8b2809e4d7555e0e486fafec

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:INDICATOR_SUSPICIOUS_EXE_References_CryptoWallets
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many cryptocurrency mining wallets or apps. Observed in information stealers
Rule name:MALWARE_Win_STOP
Create hunting rule
Author:ditekSHen
Description:Detects STOP ransomware
Rule name:MALWARE_Win_Vidar
Create hunting rule
Author:ditekSHen
Description:Detects Vidar / ArkeiStealer
Rule name:Ping_Del_method_bin_mem
Create hunting rule
Author:James_inthe_box
Description:cmd ping IP nul del
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:Vidar
Create hunting rule
Author:kevoreilly
Description:Vidar Payload
Rule name:with_sqlite
Create hunting rule
Author:Julian J. Gonzalez <info@seguridadparatodos.es>
Description:Rule to detect the presence of SQLite data in raw image
Reference:http://www.st2labs.com

File information

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

Web download

Stop

Executable exe d1aa899956e3c53f19add62d8a2245f315193b9f8b2809e4d7555e0e486fafec

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1256494/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/163582/

Comments