MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 11810610b0fcbfe0edc318d79ede6dcbb2c4b34dccbace91d3775001187c3c96. 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: | 11810610b0fcbfe0edc318d79ede6dcbb2c4b34dccbace91d3775001187c3c96 |
|---|---|
| SHA3-384 hash: | 9aa2ebfce7ce2c65be2575a1607e9c562c16c5b15b4637e176f47f709beb6c996ba1deb74513e7b5981d2bf9367bbd2d |
| SHA1 hash: | cdf77517ad5c833941b15efb29edec14290d11a4 |
| MD5 hash: | 980068c5d5da628dd5af8a2a21250ea8 |
| humanhash: | muppet-april-october-eight |
| File name: | Inquiry Order.exe |
| Download: | download sample |
| Signature | OskiStealer |
| File size: | 560'128 bytes |
| First seen: | 2022-05-09 08:16:10 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger) |
| ssdeep | 12288:AgjjouC4Mi8RIA8CVuICkX2OHheeYACPIL3s2nuP88qO+LXz13TCiG9+856m:Agjj3rYIWrzX5BaPI |
| Threatray | 4'808 similar samples on MalwareBazaar |
| TLSH | T178C4599CB12075EEF457D4B1CA682C64A691766A431F42039433F3A99E6DAF3CF44CA3 |
| TrID | 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.4% (.EXE) Win64 Executable (generic) (10523/12/4) 6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.4% (.EXE) Win32 Executable (generic) (4505/5/1) 2.0% (.EXE) OS/2 Executable (generic) (2029/13) |
| 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://str1str2.xyz/6.jpg | https://threatfox.abuse.ch/ioc/549184/ |
| http://str1str2.xyz/1.jpg | https://threatfox.abuse.ch/ioc/549185/ |
| http://str1str2.xyz/2.jpg | https://threatfox.abuse.ch/ioc/549186/ |
| http://str1str2.xyz/3.jpg | https://threatfox.abuse.ch/ioc/549187/ |
| http://str1str2.xyz/4.jpg | https://threatfox.abuse.ch/ioc/549188/ |
| http://str1str2.xyz/5.jpg | https://threatfox.abuse.ch/ioc/549189/ |
| http://str1str2.xyz/7.jpg | https://threatfox.abuse.ch/ioc/549190/ |
Intelligence
File Origin
# of uploads :
1
# of downloads :
260
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
vidar
ID:
1
File name:
Inquiry Order.exe
Verdict:
Malicious activity
Analysis date:
2022-05-09 08:17:19 UTC
Tags:
trojan stealer vidar loader phishing oski
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Unauthorized injection to a recently created process
Creating a file
DNS request
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
control.exe obfuscated packed
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.
Malware family:
Oski Stealer
Verdict:
Malicious
Result
Threat name:
Oski Stealer, Vidar
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
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 evasive API chain (may stop execution after checking locale)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Performs DNS queries to domains with low reputation
Posts data to a JPG file (protocol mismatch)
Snort IDS alert for network traffic
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
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Oski Stealer
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AveMariaRAT
Status:
Malicious
First seen:
2022-05-09 08:17:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
19 of 26 (73.08%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Similar samples:
+ 4'798 additional samples on MalwareBazaar
Result
Malware family:
oski
Score:
10/10
Tags:
family:oski discovery infostealer spyware stealer suricata
Behaviour
Checks processor information in registry
Creates scheduled task(s)
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
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Downloads MZ/PE file
Oski
suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)
suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt) M2
suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil
suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer HTTP POST Pattern
Malware Config
C2 Extraction:
str1str2.xyz
Unpacked files
SH256 hash:
e845bee7b75a5d43058c53d7b47efacb70b1a5f6849d2c860f7bb956759dcbc2
MD5 hash:
df77c83760fabb14c42aa2674bc512e7
SHA1 hash:
a1751be441e7673a816fa953e00edd075ed50b0f
Detections:
win_oski_g0
win_oski_auto
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
SH256 hash:
61ccfb59fd862e7fc7255bcb3c8e41fcc16342c72b25f7db772af3c8122e3466
MD5 hash:
afed6a9bcf9d698341a69fac74e2e107
SHA1 hash:
1cfab2befc62e12452f6cd2c87ad99b491c718eb
SH256 hash:
11810610b0fcbfe0edc318d79ede6dcbb2c4b34dccbace91d3775001187c3c96
MD5 hash:
980068c5d5da628dd5af8a2a21250ea8
SHA1 hash:
cdf77517ad5c833941b15efb29edec14290d11a4
Verdict:
Malicious
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: | 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.
No further information available
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