MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 024a5c3d369e1459332682cad7931a426722fdc2ec0950adc598e0227d0ef043. 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: | 024a5c3d369e1459332682cad7931a426722fdc2ec0950adc598e0227d0ef043 |
|---|---|
| SHA3-384 hash: | 32cf0cbefe181ca68193bc8441731ea9bc68b086f3448dd2c1759326a59e746ac622d18c1851886900450385825f6ecc |
| SHA1 hash: | ca4c2c469afa7c393b3b4071b1b211d1a0d2d067 |
| MD5 hash: | 0ea4142f50a9df0a5f83523ae1740acc |
| humanhash: | social-failed-illinois-hotel |
| File name: | MECB 29018736.exe |
| Download: | download sample |
| Signature | OskiStealer |
| File size: | 366'277 bytes |
| First seen: | 2021-10-07 06:20:54 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | b76363e9cb88bf9390860da8e50999d2 (464 x Formbook, 184 x AgentTesla, 122 x SnakeKeylogger) |
| ssdeep | 6144:n8LxBalknMomsXXvQjgHtl3d1WRnckCtn2VveksBktE07dyWH86Z7Wd:rkMomsXXvQKt71cnckCVAltE07dNcu7k |
| Threatray | 3'997 similar samples on MalwareBazaar |
| TLSH | T133746C8ADA800494DC3A5771253A9D3166EBBEBAE4F4B74D5BCE71316BE30E3143344A |
| File icon (PE): |  |
| dhash icon | e9f0a48c96c24d01 (4 x SnakeKeylogger, 1 x OskiStealer) |
| 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://21slg.xyz/6.jpg | https://threatfox.abuse.ch/ioc/231146/ |
| http://21slg.xyz/1.jpg | https://threatfox.abuse.ch/ioc/231147/ |
| http://21slg.xyz/2.jpg | https://threatfox.abuse.ch/ioc/231148/ |
| http://21slg.xyz/3.jpg | https://threatfox.abuse.ch/ioc/231149/ |
| http://21slg.xyz/4.jpg | https://threatfox.abuse.ch/ioc/231150/ |
| http://21slg.xyz/5.jpg | https://threatfox.abuse.ch/ioc/231151/ |
| http://21slg.xyz/7.jpg | https://threatfox.abuse.ch/ioc/231152/ |
Intelligence
File Origin
# of uploads :
1
# of downloads :
154
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
MECB 29018736.exe
Verdict:
Malicious activity
Analysis date:
2021-10-07 06:22:21 UTC
Tags:
n/a
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
Creating a file
Unauthorized injection to a recently created process
Launching the default Windows debugger (dwwin.exe)
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
overlay packed
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)
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
Performs DNS queries to domains with low reputation
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:
2021-10-07 02:53:06 UTC
AV detection:
13 of 45 (28.89%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Similar samples:
+ 3'987 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 behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
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:
21slg.xyz
Unpacked files
SH256 hash:
024a5c3d369e1459332682cad7931a426722fdc2ec0950adc598e0227d0ef043
MD5 hash:
0ea4142f50a9df0a5f83523ae1740acc
SHA1 hash:
ca4c2c469afa7c393b3b4071b1b211d1a0d2d067
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Oski
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: | 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: | Detects win.oski. |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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