MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 c0fa9b79d5ff08641d2490f2942b205120e157e790bfb7540aaed7a0e69a1d49. 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: | c0fa9b79d5ff08641d2490f2942b205120e157e790bfb7540aaed7a0e69a1d49 |
|---|---|
| SHA3-384 hash: | 7af9279bf4595d04267d2aa4d931a38d9e28d45dcbce27c2db686f110c0e0d251bfd95beca6c3b7d0b47b7f1102b682d |
| SHA1 hash: | 3a3f86412b3d48bf9bf4f73fac3fc0d6c2a49293 |
| MD5 hash: | 9c75d0a696028660f0f7333c2d3f5d8a |
| humanhash: | north-muppet-rugby-xray |
| File name: | c0fa9b79d5ff08641d2490f2942b205120e157e790bfb7540aaed7a0e69a1d49 |
| Download: | download sample |
| Signature | OskiStealer |
| File size: | 204'800 bytes |
| First seen: | 2021-07-22 07:45:00 UTC |
| Last seen: | 2021-07-22 07:45:27 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 7bb9d345a5fec4fbbf5100d6a3ffbb8c (88 x ArkeiStealer, 85 x OskiStealer, 1 x Reconyc) |
| ssdeep | 3072:WfUomEuYm98dlSq7gt5q7Dx+XgS6aCEwhOfUbCalNT2pbB3fIs1Xi6FLPo3c:WfUauY68uSWCx+XA7mg2pN91Ljo3c |
| Threatray | 400 similar samples on MalwareBazaar |
| TLSH | T15C146D30B690C035E8A310BCDDEE86BEB96C7A301F5950C3A3D45A662F712F27A71657 |
| Reporter |  JAMESWT_WT |
| Tags: | 103.153.76.164 exe OskiStealer |
Indicators Of Compromise (IOCs)
Below is a list of indicators of compromise (IOCs) associated with this malware samples.
| IOC | ThreatFox Reference |
|---|---|
| http://103.153.76.164/we/mar2//6.jpg | https://threatfox.abuse.ch/ioc/162050/ |
| http://103.153.76.164/we/mar2//1.jpg | https://threatfox.abuse.ch/ioc/162051/ |
| http://103.153.76.164/we/mar2//2.jpg | https://threatfox.abuse.ch/ioc/162052/ |
| http://103.153.76.164/we/mar2//3.jpg | https://threatfox.abuse.ch/ioc/162053/ |
| http://103.153.76.164/we/mar2//4.jpg | https://threatfox.abuse.ch/ioc/162054/ |
| http://103.153.76.164/we/mar2//5.jpg | https://threatfox.abuse.ch/ioc/162055/ |
| http://103.153.76.164/we/mar2//7.jpg | https://threatfox.abuse.ch/ioc/162056/ |
Intelligence
File Origin
# of uploads :
2
# of downloads :
140
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
c0fa9b79d5ff08641d2490f2942b205120e157e790bfb7540aaed7a0e69a1d49
Verdict:
Malicious activity
Analysis date:
2021-07-22 07:46:27 UTC
Tags:
trojan stealer vidar
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Vidar
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Oski Stealer
Verdict:
Malicious
Result
Threat name:
Oski Vidar
Detection:
malicious
Classification:
troj.spyw
Score:
92 / 100
Signature
Antivirus / Scanner detection for submitted sample
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
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)
Yara detected Oski Stealer
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Threat name:
Win32.Spyware.AveMaria
Status:
Malicious
First seen:
2021-07-19 05:27:48 UTC
File Type:
PE (Exe)
AV detection:
28 of 28 (100.00%)
Threat level:
2/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
+ 390 additional samples on MalwareBazaar
Result
Malware family:
oski
Score:
10/10
Tags:
family:oski infostealer spyware stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Accesses cryptocurrency files/wallets, possible credential harvesting
Reads user/profile data of web browsers
Oski
Malware Config
C2 Extraction:
103.153.76.164/we/mar2/
Unpacked files
SH256 hash:
c0fa9b79d5ff08641d2490f2942b205120e157e790bfb7540aaed7a0e69a1d49
MD5 hash:
9c75d0a696028660f0f7333c2d3f5d8a
SHA1 hash:
3a3f86412b3d48bf9bf4f73fac3fc0d6c2a49293
Detections:
win_oski_auto
win_oski_g0
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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