MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 0cf6179c249f947e8eb37a0df9a02f4a43230b4e5e5bd479c81505a78de04e2e. 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: 8
| SHA256 hash: | 0cf6179c249f947e8eb37a0df9a02f4a43230b4e5e5bd479c81505a78de04e2e |
|---|---|
| SHA3-384 hash: | a935cbc7cee27a6b97c15d9784549ae57e70805aac761663e630e03193e899c76529e83a084550896e6d766046d02774 |
| SHA1 hash: | 13d16a2b7dbc76ec64e87dc265a22b53f89fccbc |
| MD5 hash: | 705ad720b2435fcdb0aaa33b5ae1210c |
| humanhash: | cardinal-lamp-mississippi-king |
| File name: | 705ad720b2435fcdb0aaa33b5ae1210c.exe |
| Download: | download sample |
| Signature | OskiStealer |
| File size: | 551'424 bytes |
| First seen: | 2021-06-30 08:50:10 UTC |
| Last seen: | 2021-06-30 09:50:26 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger) |
| ssdeep | 12288:uEFVzMFE4d+rRJox0l3UusuaQsE0jX8m6vOMjL8DP:raER3oIkU0jIW+cP |
| Threatray | 2 similar samples on MalwareBazaar |
| TLSH | D4C4DF5231489D7BF2571CBA4C1EC1B215AB6C24406AE51CB1AA725F19F232213FFB6F |
| Reporter |  abuse_ch |
| Tags: | exe OskiStealer |
Indicators Of Compromise (IOCs)
Below is a list of indicators of compromise (IOCs) associated with this malware samples.
| IOC | ThreatFox Reference |
|---|---|
| http://195.133.40.227/osw//6.jpg | https://threatfox.abuse.ch/ioc/155750/ |
| http://195.133.40.227/osw//1.jpg | https://threatfox.abuse.ch/ioc/155751/ |
| http://195.133.40.227/osw//2.jpg | https://threatfox.abuse.ch/ioc/155752/ |
| http://195.133.40.227/osw//3.jpg | https://threatfox.abuse.ch/ioc/155753/ |
| http://195.133.40.227/osw//4.jpg | https://threatfox.abuse.ch/ioc/155754/ |
| http://195.133.40.227/osw//5.jpg | https://threatfox.abuse.ch/ioc/155755/ |
| http://195.133.40.227/osw//7.jpg | https://threatfox.abuse.ch/ioc/155756/ |
Intelligence
File Origin
# of uploads :
2
# of downloads :
136
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
705ad720b2435fcdb0aaa33b5ae1210c.exe
Verdict:
Malicious activity
Analysis date:
2021-06-30 08:51:20 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Vidar
Detection(s):
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.
Verdict:
Malicious
Result
Threat name:
Oski Vidar
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Posts data to a JPG file (protocol mismatch)
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to evade analysis by execution special instruction which cause usermode exception
Tries to harvest and steal browser information (history, passwords, etc)
Writes to foreign memory regions
Yara detected Oski Stealer
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Detection(s):
Suspicious file
Result
Malware family:
oski
Score:
10/10
Tags:
family:oski infostealer spyware stealer
Behaviour
NTFS ADS
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Reads user/profile data of web browsers
Oski
Malware Config
C2 Extraction:
195.133.40.227/osw/
Unpacked files
SH256 hash:
5ed5ef67f1e9b3cbaf226c1afe9f8b35442fbc66b7ed3939cce8a1602f06d00b
MD5 hash:
0a3e248844b49c3726fcfa61a89e43a8
SHA1 hash:
4aacfbb79cf875bd1e4a1acfa9d9e976fccf6bd9
SH256 hash:
6f655321b39b800f113f1c1ec8283c0ace557a63128e326f094aca4152a4f22b
MD5 hash:
77d6e6cb17beaaa352762e9b61de89eb
SHA1 hash:
0621ba7a7952e2c58f5dc823196f415d1bedcee8
SH256 hash:
0cf6179c249f947e8eb37a0df9a02f4a43230b4e5e5bd479c81505a78de04e2e
MD5 hash:
705ad720b2435fcdb0aaa33b5ae1210c
SHA1 hash:
13d16a2b7dbc76ec64e87dc265a22b53f89fccbc
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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_Stomped_PECompilation_Timestamp_InTheFu |
|---|---|
| Author: | ditekSHen |
| Description: | Detect executables with stomped PE compilation timestamp that is greater than local current time |
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Delivery method
Distributed via web download
Comments
Login required
You need to login to in order to write a comment. Login with your abuse.ch account.