MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 4c67d6cd8ba22edfa6b568b72b1f0a2095a173154b26ae89a1b50d266055ce44. 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: 12
| SHA256 hash: | 4c67d6cd8ba22edfa6b568b72b1f0a2095a173154b26ae89a1b50d266055ce44 |
|---|---|
| SHA3-384 hash: | 8ceaa610bf71a4ed37aa93898f3cf4ba8f1508a8080c59530eb15c157a6886014ed97b321d5ac235c477f12cf8811882 |
| SHA1 hash: | 6ecb7bc014d352b5f5c792b2e40a60676337a6e6 |
| MD5 hash: | 32b1a6dfae1072ed3e6a508d2e8f1656 |
| humanhash: | uranus-spring-blue-magnesium |
| File name: | IMG202109010048384748.scr.exe |
| Download: | download sample |
| Signature | OskiStealer |
| File size: | 469'504 bytes |
| First seen: | 2021-09-14 04:26:17 UTC |
| Last seen: | 2021-09-14 05:10:23 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | b5f90103145ddd0d0ed4aa0e2fe63de8 (2 x Loki, 1 x OskiStealer, 1 x NanoCore) |
| ssdeep | 6144:PdjoIDU5mf/kmNac4hRyuF2hvUjydxlw8FOUqN+FJsWtbMUmR:i35keAhvGydxO8FOU6kJb |
| Threatray | 3'758 similar samples on MalwareBazaar |
| TLSH | T197A49D41BB84D471EC9201B9B044E7BA06653DB2592BCF5B77C32F8B65303E69626F23 |
| dhash icon | 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer) |
| 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://8.crabdance.com/6.jpg | https://threatfox.abuse.ch/ioc/221548/ |
| http://8.crabdance.com/1.jpg | https://threatfox.abuse.ch/ioc/221549/ |
| http://8.crabdance.com/2.jpg | https://threatfox.abuse.ch/ioc/221550/ |
| http://8.crabdance.com/3.jpg | https://threatfox.abuse.ch/ioc/221551/ |
| http://8.crabdance.com/4.jpg | https://threatfox.abuse.ch/ioc/221552/ |
| http://8.crabdance.com/5.jpg | https://threatfox.abuse.ch/ioc/221553/ |
| http://8.crabdance.com/7.jpg | https://threatfox.abuse.ch/ioc/221554/ |
Intelligence
File Origin
# of uploads :
2
# of downloads :
131
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
IMG202109010048384748.scr.exe
Verdict:
Malicious activity
Analysis date:
2021-09-14 04:27:03 UTC
Tags:
trojan stealer vidar loader
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Vidar
Result
Verdict:
Clean
Maliciousness:
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
greyware packed
Malware family:
Oski Stealer
Verdict:
Malicious
Result
Threat name:
Oski Vidar
Detection:
malicious
Classification:
troj.spyw.evad
Score:
88 / 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)
Maps a DLL or memory area into another process
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.LokiBot
Status:
Malicious
First seen:
2021-09-14 04:27:10 UTC
AV detection:
15 of 43 (34.88%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
+ 3'748 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: MapViewOfSection
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
Deletes itself
Loads dropped DLL
Reads user/profile data of web browsers
Downloads MZ/PE file
Oski
Malware Config
C2 Extraction:
8.crabdance.com
Unpacked files
SH256 hash:
1b3c1b31dd39db4c88221947e84a75ea04984910976659db8677f46f0e3281ed
MD5 hash:
96598d8d3aa9d248a97ad8f2aae8e9f8
SHA1 hash:
d8fc24dd5552dd42f07ff0f5a3024b23022703eb
Detections:
win_oski_g0
win_oski_auto
SH256 hash:
4c67d6cd8ba22edfa6b568b72b1f0a2095a173154b26ae89a1b50d266055ce44
MD5 hash:
32b1a6dfae1072ed3e6a508d2e8f1656
SHA1 hash:
6ecb7bc014d352b5f5c792b2e40a60676337a6e6
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: | 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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