MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2a6434a7365717ea3fe4c18949d1e2546d4a3c5a7df028dc8b4e58f859f7fa67. 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



OskiStealer


Vendor detections: 11


Intelligence 11 IOCs 7 YARA 3 File information Comments

SHA256 hash: 2a6434a7365717ea3fe4c18949d1e2546d4a3c5a7df028dc8b4e58f859f7fa67
SHA3-384 hash: 044d1e3c1b4a7929cc2b389d26eeba1ae07d4ebc090b17030e9a70eb9357b5e05d279689dd1022757ec8a7c1a3513b25
SHA1 hash: b72566452a71ba0f67d00cebc7c5fa5469d8176b
MD5 hash: 04e2c608d3a7bd201bbdc7373470c255
humanhash: failed-rugby-east-green
File name:9-1.txt
Download: download sample
Signature OskiStealer
File size:248'322 bytes
First seen:2021-06-08 12:59:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 7bb9d345a5fec4fbbf5100d6a3ffbb8c (88 x ArkeiStealer, 85 x OskiStealer, 1 x Reconyc)
ssdeep 6144:WfUauY68uSWCx+XA7mg2pNu1Ljo3crEHc39:WwY68u1Cx+wm/pqsh
Threatray 234 similar samples on MalwareBazaar
TLSH 2D345D31B690C031E86210BDC8EF8ABA67AC79711B3690C767D44AA92F713F17E71617
Reporter srcr
Tags:exe OskiStealer

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
http://103.114.107.28/l9//6.jpg https://threatfox.abuse.ch/ioc/73873/
http://103.114.107.28/l9//1.jpg https://threatfox.abuse.ch/ioc/73874/
http://103.114.107.28/l9//2.jpg https://threatfox.abuse.ch/ioc/73875/
http://103.114.107.28/l9//3.jpg https://threatfox.abuse.ch/ioc/73876/
http://103.114.107.28/l9//4.jpg https://threatfox.abuse.ch/ioc/73877/
http://103.114.107.28/l9//5.jpg https://threatfox.abuse.ch/ioc/73878/
http://103.114.107.28/l9//7.jpg https://threatfox.abuse.ch/ioc/73879/

Intelligence


File Origin
# of uploads :
1
# of downloads :
108
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Sending a UDP request
Creating a file
Launching the default Windows debugger (dwwin.exe)
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:
Oski Vidar
Detection:
malicious
Classification:
troj.spyw
Score:
88 / 100
Signature
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Posts data to a JPG file (protocol mismatch)
Tries to harvest and steal browser information (history, passwords, etc)
Yara detected Oski Stealer
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Threat name:
Win32.Spyware.AveMaria
Status:
Malicious
First seen:
2021-06-08 13:00:16 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
  2/5
Result
Malware family:
Score:
  10/10
Tags:
family:oski discovery infostealer spyware stealer
Behaviour
Checks processor information in registry
Kills process with taskkill
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Deletes itself
Reads user/profile data of web browsers
Oski
Unpacked files
SH256 hash:
2a6434a7365717ea3fe4c18949d1e2546d4a3c5a7df028dc8b4e58f859f7fa67
MD5 hash:
04e2c608d3a7bd201bbdc7373470c255
SHA1 hash:
b72566452a71ba0f67d00cebc7c5fa5469d8176b
Detections:
win_oski_auto win_oski_g0
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_Vidar
Author:ditekSHen
Description:Detects Vidar / ArkeiStealer
Rule name:Vidar
Author:kevoreilly
Description:Vidar Payload
Rule name:win_oski_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator

File information


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

  
Delivery method
Other

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