MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 bd85d30840bc092fb71a2dcba02260d06925468adfa5bf239248f1fb159e7a9f. 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: 9
| SHA256 hash: | bd85d30840bc092fb71a2dcba02260d06925468adfa5bf239248f1fb159e7a9f |
|---|---|
| SHA3-384 hash: | ab48798aaecf9f23341eef3597cadc19090238f37ccab6d3736294909393acef20748f2df0011fd4de29206140941a60 |
| SHA1 hash: | 5563f10366f61f04182f0564a823d2eb172a8c32 |
| MD5 hash: | 363c4cea3a99747da37106372dd25559 |
| humanhash: | echo-lima-iowa-sad |
| File name: | Purchase Order N0 6604493.scr.exe |
| Download: | download sample |
| Signature | OskiStealer |
| File size: | 1'083'904 bytes |
| First seen: | 2021-07-06 09:00:55 UTC |
| Last seen: | 2021-07-06 09:40:08 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'665 x AgentTesla, 19'479 x Formbook, 12'208 x SnakeKeylogger) |
| ssdeep | 12288:DKPbaIMVjLz7T5FDiOcen3gVZsZZZsZYwHoqYtXiiux1Q9AqQEJ81h/z4tCyVxfn:ziOrwsii4CJ8v/zAVxfKEQaPJ |
| Threatray | 1'666 similar samples on MalwareBazaar |
| TLSH | 78359E35A1B28FD5EC7FC7394B31351C4FE9A67AD217FAB86C9460890490B414B72A2F |
| 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://195.133.40.225/6.jpg | https://threatfox.abuse.ch/ioc/157874/ |
| http://195.133.40.225/1.jpg | https://threatfox.abuse.ch/ioc/157875/ |
| http://195.133.40.225/2.jpg | https://threatfox.abuse.ch/ioc/157876/ |
| http://195.133.40.225/3.jpg | https://threatfox.abuse.ch/ioc/157877/ |
| http://195.133.40.225/4.jpg | https://threatfox.abuse.ch/ioc/157878/ |
| http://195.133.40.225/5.jpg | https://threatfox.abuse.ch/ioc/157879/ |
| http://195.133.40.225/7.jpg | https://threatfox.abuse.ch/ioc/157880/ |
Intelligence
File Origin
# of uploads :
2
# of downloads :
165
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Purchase Order N0 6604493.scr.exe
Verdict:
Malicious activity
Analysis date:
2021-07-06 09:02:45 UTC
Tags:
trojan stealer vidar loader
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
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.
Verdict:
Malicious
Result
Threat name:
Oski Vidar
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Downloads files with wrong headers with respect to MIME Content-Type
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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)
Tries to steal Crypto Currency Wallets
Yara detected Oski Stealer
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-07-06 09:01:18 UTC
AV detection:
6 of 46 (13.04%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Similar samples:
+ 1'656 additional samples on MalwareBazaar
Result
Malware family:
oski
Score:
10/10
Tags:
family:oski discovery infostealer spyware stealer
Behaviour
Checks processor information in registry
Kills process with taskkill
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Loads dropped DLL
Reads user/profile data of web browsers
Downloads MZ/PE file
Oski
Malware Config
C2 Extraction:
195.133.40.225
Unpacked files
SH256 hash:
6ff011d06cfa8f581413484a56ccfb08ac855e17aa24b23ef9c820f100c8f3e5
MD5 hash:
f00ffa81b0882fc7dd814c37d144017c
SHA1 hash:
b6bac21e08e7efc47881685dfab3a111ce336d67
Detections:
win_oski_g0
win_oski_auto
SH256 hash:
730d74e7ec528532a8db39b379f9fde3cafd16ddce496e06d3fd77fd74d2b6bd
MD5 hash:
684f81792a21022e96f23567c7c6278d
SHA1 hash:
94e126da715b116444a930f806da9874bd59642e
SH256 hash:
5209992fd1f96cd1959efb5e1afa71f5c9ae2ab4430e258fe9d0ec915098d110
MD5 hash:
257ca10e5cbb2f8bdf0ae6f3e900e11e
SHA1 hash:
9d25ee80dbe3bbce5ab4479912c5e21b19b6aeec
SH256 hash:
bd85d30840bc092fb71a2dcba02260d06925468adfa5bf239248f1fb159e7a9f
MD5 hash:
363c4cea3a99747da37106372dd25559
SHA1 hash:
5563f10366f61f04182f0564a823d2eb172a8c32
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.51
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: | 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.
Comments
Login required
You need to login to in order to write a comment. Login with your abuse.ch account.