MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 33b2e62e08629bd097db93a9307d133cfc2fb8732c10a75c2bce199f56408e9c. 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: 10
| SHA256 hash: | 33b2e62e08629bd097db93a9307d133cfc2fb8732c10a75c2bce199f56408e9c |
|---|---|
| SHA3-384 hash: | 5267bdda0fdc8f75e45027b842f01dd13039a6c77d05a64b8833abceb2d6249b77f19b396a422a8a3c2b0a4629fc14e3 |
| SHA1 hash: | d31f22ba31d8d108dada9335f379dfc822218859 |
| MD5 hash: | a84105bfa3ed6c607cce2e1e7bcd7383 |
| humanhash: | item-berlin-three-island |
| File name: | A84105BFA3ED6C607CCE2E1E7BCD7383.exe |
| Download: | download sample |
| Signature | OskiStealer |
| File size: | 221'184 bytes |
| First seen: | 2021-04-28 05:36:02 UTC |
| Last seen: | 2021-04-28 06:02:28 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (49'203 x AgentTesla, 20'374 x Formbook, 12'365 x SnakeKeylogger) |
| ssdeep | 6144:2Ifu/b38OcRzJjh+GgTzL+2yw0Jc+fq61:fQMfRhhoHL+2Z0Jc+fq6 |
| Threatray | 113 similar samples on MalwareBazaar |
| TLSH | 87245A037B999742D56819B9C1EF553443E2AEC71232E3CA3F98768E0D027B3DE41B99 |
| 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://trafficbadassery.com/a//6.jpg | https://threatfox.abuse.ch/ioc/19604/ |
| http://trafficbadassery.com/a//1.jpg | https://threatfox.abuse.ch/ioc/19605/ |
| http://trafficbadassery.com/a//2.jpg | https://threatfox.abuse.ch/ioc/19606/ |
| http://trafficbadassery.com/a//3.jpg | https://threatfox.abuse.ch/ioc/19607/ |
| http://trafficbadassery.com/a//4.jpg | https://threatfox.abuse.ch/ioc/19608/ |
| http://trafficbadassery.com/a//5.jpg | https://threatfox.abuse.ch/ioc/19609/ |
| http://trafficbadassery.com/a//7.jpg | https://threatfox.abuse.ch/ioc/19610/ |
Intelligence
File Origin
# of uploads :
2
# of downloads :
120
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
A84105BFA3ED6C607CCE2E1E7BCD7383.exe
Verdict:
Malicious activity
Analysis date:
2021-04-28 05:38:17 UTC
Tags:
trojan stealer vidar
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a file in the %temp% directory
Enabling the 'hidden' option for files in the %temp% directory
Creating a process from a recently created file
Creating a file
DNS request
Connection attempt
Sending an HTTP GET request
Sending a UDP request
Launching the default Windows debugger (dwwin.exe)
Result
Threat name:
Vidar
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code references suspicious native API functions
Antivirus detection for dropped file
Downloads files with wrong headers with respect to MIME Content-Type
Drops PE files with a suspicious file extension
Found many strings related to Crypto-Wallets (likely being stolen)
Hides that the sample has been downloaded from the Internet (zone.identifier)
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)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Crypto Currency Wallets
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Status:
Malicious
First seen:
2021-04-25 09:31:05 UTC
AV detection:
20 of 29 (68.97%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Similar samples:
+ 103 additional samples on MalwareBazaar
Result
Malware family:
oski
Score:
10/10
Tags:
family:oski infostealer spyware stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Accesses cryptocurrency files/wallets, possible credential harvesting
Reads user/profile data of web browsers
Executes dropped EXE
Oski
Unpacked files
SH256 hash:
c87705574f7a6f5e0b66db5c873abdaf4954bc0a65d71900b615ac04be8b257d
MD5 hash:
3ab955561862746dea3bac9fc25de7e1
SHA1 hash:
04afb99faf0603d154e63865f409118bd0468efc
Detections:
win_oski_g0
win_oski_auto
SH256 hash:
33b2e62e08629bd097db93a9307d133cfc2fb8732c10a75c2bce199f56408e9c
MD5 hash:
a84105bfa3ed6c607cce2e1e7bcd7383
SHA1 hash:
d31f22ba31d8d108dada9335f379dfc822218859
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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