MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 527081e5de003c6dbbef8aafccdf3648e7624a55b79fcfa642dd9ef7e838e995. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments

SHA256 hash: 527081e5de003c6dbbef8aafccdf3648e7624a55b79fcfa642dd9ef7e838e995
SHA3-384 hash: ee757ea300d7ccbe631a0849cfcad9bbbdfd5897fba77c0dc3c27a998fcda9df8fae8e83acff019a9a8ffc2f4219afe7
SHA1 hash: 904525e4b5599227fd1860bda78962b87ccee2a9
MD5 hash: 841cc2a1b0b7bd037d7ce4bff9a067df
humanhash: sixteen-burger-tennessee-harry
File name:527081E5DE003C6DBBEF8AAFCCDF3648E7624A55B79FC.exe
Download: download sample
Signature OskiStealer
File size:204'800 bytes
First seen:2022-11-30 18:10:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 7bb9d345a5fec4fbbf5100d6a3ffbb8c (88 x ArkeiStealer, 85 x OskiStealer, 1 x Reconyc)
ssdeep 3072:WfUomEuYm98dlSq7gt5q7Dx+XgS6aCEwhOfUbCalNT2pbB3fId1Xi6FLPo3c:WfUauY68uSWCx+XA7mg2pN41Ljo3c
Threatray 816 similar samples on MalwareBazaar
TLSH T146146D30B690C035E86310BCDDEE86BEB96C7A301F5950C3A3D45A662F712F27A71657
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter abuse_ch
Tags:exe OskiStealer


Avatar
abuse_ch
OskiStealer C2:
http://madamongo.gq/6.jpg

Intelligence


File Origin
# of uploads :
1
# of downloads :
180
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
527081E5DE003C6DBBEF8AAFCCDF3648E7624A55B79FC.exe
Verdict:
Malicious activity
Analysis date:
2022-11-30 19:14:36 UTC
Tags:
trojan stealer vidar oski

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Creating a file
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Searching for the window
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware oski vidar virus windows zusy
Malware family:
Oski Stealer
Verdict:
Malicious
Result
Threat name:
Oski Stealer
Detection:
malicious
Classification:
troj.spyw
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Found many strings related to Crypto-Wallets (likely being stolen)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Posts data to a JPG file (protocol mismatch)
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Yara detected Oski Stealer
Behaviour
Behavior Graph:
Threat name:
Win32.Spyware.AveMaria
Status:
Malicious
First seen:
2022-06-13 16:40:30 UTC
File Type:
PE (Exe)
AV detection:
25 of 26 (96.15%)
Threat level:
  2/5
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
527081e5de003c6dbbef8aafccdf3648e7624a55b79fcfa642dd9ef7e838e995
MD5 hash:
841cc2a1b0b7bd037d7ce4bff9a067df
SHA1 hash:
904525e4b5599227fd1860bda78962b87ccee2a9
Detections:
OskiStealer win_oski_auto win_oski_g0
Malware family:
OskiStealer
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

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:Windows_Trojan_OskiStealer_a158b1e3
Author:Elastic Security
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.

Comments