MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 31768ba567580677ef466b1451e012d1fd35341ca7ec9692c56ecfc09c4e13fc. 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: 7
| SHA256 hash: | 31768ba567580677ef466b1451e012d1fd35341ca7ec9692c56ecfc09c4e13fc |
|---|---|
| SHA3-384 hash: | d23cbfa4da92f2473c9b9b94e742e742b4e2a056653bec4cb80add8435d6c47a4ba4c776b74251bb1497100aaa5a570e |
| SHA1 hash: | a6400f400c885021eccb97028d1e19d1923da3cd |
| MD5 hash: | 45d91b01836e65febaad4e83ca45839d |
| humanhash: | coffee-one-pip-network |
| File name: | 31768ba567580677ef466b1451e012d1fd35341ca7ec9.exe |
| Download: | download sample |
| Signature | OskiStealer |
| File size: | 227'640 bytes |
| First seen: | 2021-04-28 12:16:22 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'655 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger) |
| ssdeep | 3072:Vt6sh+dfB5aovPtfzoeAWRfS8ypYAxBWA3VcuVdxVoEYs8yZWKpJKVpKgEsyYN5r:V4dfemPtfUeAIQHuA36cdg5GWSKfKOk |
| Threatray | 8 similar samples on MalwareBazaar |
| TLSH | 3C2401025B8CC651EAF23E36BE72F3154A75BD00B92296EF18DCF35BC674A40C5A4762 |
| 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://178.175.148.83/6.jpg | https://threatfox.abuse.ch/ioc/19660/ |
| http://178.175.148.83/1.jpg | https://threatfox.abuse.ch/ioc/19661/ |
| http://178.175.148.83/2.jpg | https://threatfox.abuse.ch/ioc/19662/ |
| http://178.175.148.83/3.jpg | https://threatfox.abuse.ch/ioc/19663/ |
| http://178.175.148.83/4.jpg | https://threatfox.abuse.ch/ioc/19664/ |
| http://178.175.148.83/5.jpg | https://threatfox.abuse.ch/ioc/19665/ |
| http://178.175.148.83/7.jpg | https://threatfox.abuse.ch/ioc/19666/ |
Intelligence
File Origin
# of uploads :
1
# of downloads :
100
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
31768ba567580677ef466b1451e012d1fd35341ca7ec9.exe
Verdict:
No threats detected
Analysis date:
2021-04-28 12:20:24 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:
Clean
Maliciousness:
Behaviour
Sending a UDP request
Creating a file
Deleting a recently created file
Replacing files
Creating a window
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.
Result
Threat name:
Vidar
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Creates an undocumented autostart registry key
Downloads files with wrong headers with respect to MIME Content-Type
Found many strings related to Crypto-Wallets (likely being stolen)
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)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-04-28 12:17:14 UTC
AV detection:
19 of 29 (65.52%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
unknown
Similar samples:
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
Unpacked files
SH256 hash:
c0ce2cf58bbfebb58d003bb17a189e96a376b69a89242a19e34e625f32bb78ab
MD5 hash:
d1076d69ad47c02a6baeacd06b13eccd
SHA1 hash:
e08d7460fba61eba7cad811aa0aed4ce6d52efe7
SH256 hash:
51a7700f906cbfd5f70efcadc32e0d4066ad16ce6a5e87f71c3d8fc79a254317
MD5 hash:
95e779c8fdcb4f9f40d36f0a80e67e22
SHA1 hash:
8f01f1f851258f682e768935273f963db379a497
SH256 hash:
476ce6ed2da0cd7c05700c1a655961ca7cafa95d3a3d98622300233c997a1569
MD5 hash:
90b1f4ac915dd61fca710bd244e23486
SHA1 hash:
53fa0eb4eb7819a8c0111c4705e08f5706b5ff89
Detections:
win_oski_g0
win_oski_auto
SH256 hash:
31768ba567580677ef466b1451e012d1fd35341ca7ec9692c56ecfc09c4e13fc
MD5 hash:
45d91b01836e65febaad4e83ca45839d
SHA1 hash:
a6400f400c885021eccb97028d1e19d1923da3cd
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: | dsc |
|---|---|
| Author: | Aaron DeVera |
| Description: | Discord domains |
| Rule name: | INDICATOR_KB_CERT_04f131322cc31d92c849fca351d2f141 |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables signed with stolen, revoked or invalid certificates |
| 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 |
| Rule name: | win_oski_g0 |
|---|---|
| Author: | Slavo Greminger, SWITCH-CERT |
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.============================================================
MBC behaviors list (github.com/accidentalrebel/mbcscan):
============================================================
0) [B0023] Execution::Install Additional Program