MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 2e6bebcaaa746b7ab28bf74c49dc0b92b88f564f5b05d6cc414ea1d4aa5f10d4. 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: 13
| SHA256 hash: | 2e6bebcaaa746b7ab28bf74c49dc0b92b88f564f5b05d6cc414ea1d4aa5f10d4 |
|---|---|
| SHA3-384 hash: | 1f4151d55ec338e8c6f33d3bf3a96c12d7035f7b0f53a0071360a44d11cd4de2303c669fe732c4276de9527e5d7592c0 |
| SHA1 hash: | 767c28385881fdc01b43b730aa50168f23d934f9 |
| MD5 hash: | 5c40517b3b632caf07cb45afa5aa1140 |
| humanhash: | papa-missouri-jig-football |
| File name: | 5c40517b3b632caf07cb45afa5aa1140 |
| Download: | download sample |
| Signature | OskiStealer |
| File size: | 1'081'344 bytes |
| First seen: | 2021-12-07 12:58:27 UTC |
| Last seen: | 2021-12-07 15:18:00 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'655 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger) |
| ssdeep | 24576:UBE7CQJyMEOcwEok2WVVKXHXCrcGND/sI4W0cosb2GG:UBEuQsOcbok2WVsn6b/sg52GG |
| Threatray | 4'179 similar samples on MalwareBazaar |
| TLSH | T1C835127D3783A6DDD4528778372AA03017AABD36A013C69CE868359F58337857E73B12 |
| File icon (PE): |  |
| dhash icon | b3b3333969693b3b (69 x Formbook, 63 x AgentTesla, 26 x Loki) |
| Reporter |  zbetcheckin |
| Tags: | 32 exe OskiStealer |
Intelligence
File Origin
# of uploads :
2
# of downloads :
171
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
statement.doc
Verdict:
Malicious activity
Analysis date:
2021-12-07 11:31:31 UTC
Tags:
exploit CVE-2017-11882 trojan stealer vidar phishing
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 window
DNS request
Unauthorized injection to a recently created process
Creating a file
Running batch commands
Creating a process with a hidden window
Launching a tool to kill processes
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
obfuscated packed
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 Stealer Vidar
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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 sample
Multi AV Scanner detection for domain / URL
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 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 AntiVM3
Yara detected Oski Stealer
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-12-07 11:42:42 UTC
File Type:
PE (.Net Exe)
Extracted files:
27
AV detection:
20 of 28 (71.43%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Similar samples:
+ 4'169 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 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:
oilproduce.xyz
Unpacked files
SH256 hash:
80855df0d7e7629d1f16cfecb7270f7db3ae6c1e32973803330862e531e69a53
MD5 hash:
2ee37952c40f8681eb58af6196d117da
SHA1 hash:
10f1c59089e1485b1440a47fbde89172dd000a29
SH256 hash:
17cd73be4181b8cf9ebf8343732659404bb6b568c4edf412bc1e16bf34edb76e
MD5 hash:
0275d4b61c93b5ed66e8f42c4fa51675
SHA1 hash:
2efed779ea2d98cae560a5f75d87c33ca3483f4e
SH256 hash:
772257fb406613ef9ee6a556afddb70c227e4f8f5669ed74853327f2d3bd9dc4
MD5 hash:
6e70d2d9ced0a929684233de67a0d068
SHA1 hash:
a5bf9dd67ead779fe95aaaf978532d23f80c69d4
Detections:
win_oski_g0
win_oski_auto
SH256 hash:
2e6bebcaaa746b7ab28bf74c49dc0b92b88f564f5b05d6cc414ea1d4aa5f10d4
MD5 hash:
5c40517b3b632caf07cb45afa5aa1140
SHA1 hash:
767c28385881fdc01b43b730aa50168f23d934f9
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.54
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: | pe_imphash |
|---|
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| 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.
Web download
Delivery method
Distributed via web download
Comments
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