MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 6107e3ec5898ce2f80b04ee16b3a41107a0733339cded01cf8c5ade5fc105472. 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: | 6107e3ec5898ce2f80b04ee16b3a41107a0733339cded01cf8c5ade5fc105472 |
|---|---|
| SHA3-384 hash: | 2b934de5781ab477841aba40cce70e12f2b9fa314801c5448eb8cf62f88fe52bf3158c5780e91970902211b054f3529b |
| SHA1 hash: | 92f39bbf9880b17b10e8b16de76d8a14d30aca1d |
| MD5 hash: | e59c2c3d0584073fb66654612fba1e05 |
| humanhash: | fix-november-whiskey-salami |
| File name: | Inquirypdf.exe |
| Download: | download sample |
| Signature | OskiStealer |
| File size: | 661'504 bytes |
| First seen: | 2022-04-22 16:00:55 UTC |
| Last seen: | 2022-04-23 05:10:45 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'642 x Formbook, 12'245 x SnakeKeylogger) |
| ssdeep | 12288:osJrx24EXSOvIdBKxTWz1Xj+rJ32ikYuFg:ogo4YQkTWZTk32HF |
| TLSH | T18FE49DE2CEA0254DC9155738E0E3CCB1E5CDE44C642D7788747067176EAE3C0DACABAA |
| 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) |
| File icon (PE): |  |
| dhash icon | 9d195bde1b6d46b6 (3 x OskiStealer) |
| 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://ndy.cloudbot.top/6.jpg | https://threatfox.abuse.ch/ioc/525425/ |
| http://ndy.cloudbot.top/4.jpg | https://threatfox.abuse.ch/ioc/525426/ |
| http://ndy.cloudbot.top/3.jpg | https://threatfox.abuse.ch/ioc/525427/ |
| http://ndy.cloudbot.top/2.jpg | https://threatfox.abuse.ch/ioc/525428/ |
| http://ndy.cloudbot.top/7.jpg | https://threatfox.abuse.ch/ioc/525429/ |
| http://ndy.cloudbot.top/5.jpg | https://threatfox.abuse.ch/ioc/525430/ |
| http://ndy.cloudbot.top/1.jpg | https://threatfox.abuse.ch/ioc/525431/ |
Intelligence
File Origin
# of uploads :
3
# of downloads :
255
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
vidar
ID:
1
File name:
olJV.exe
Verdict:
Malicious activity
Analysis date:
2022-04-23 05:10:19 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:
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
Reading critical registry keys
Running batch commands
Stealing user critical data
Launching a tool to kill processes
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
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
.NET source code contains very large strings
C2 URLs / IPs found in malware configuration
Found evasive API chain (may stop execution after checking locale)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Posts data to a JPG file (protocol mismatch)
Sigma detected: Suspicious Add Scheduled Task From User AppData Temp
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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)
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.AgentTesla
Status:
Malicious
First seen:
2022-04-22 16:01:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
15 of 26 (57.69%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Result
Malware family:
oski
Score:
10/10
Tags:
family:oski infostealer spyware stealer suricata
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Reads user/profile data of web browsers
Oski
suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer HTTP POST Pattern
Malware Config
C2 Extraction:
ndy.cloudbot.top
Unpacked files
SH256 hash:
5b9861874bc936a80e57ab958de40ced6b98040f6926460f6d6978b01af46fb2
MD5 hash:
da871432c1efae7c81b129ae0966d92b
SHA1 hash:
dbafe7d1e05ce221b29501d356c5e3159ec92dde
SH256 hash:
70249b9b4ec1f07d07a65c0a8e567234b10900ae562e4c4a7e7024bead7b5f55
MD5 hash:
850a1c628732a5ffd877cb86fd220bb0
SHA1 hash:
7317baf123f18666834d17459531ee979be955a9
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
SH256 hash:
6107e3ec5898ce2f80b04ee16b3a41107a0733339cded01cf8c5ade5fc105472
MD5 hash:
e59c2c3d0584073fb66654612fba1e05
SHA1 hash:
92f39bbf9880b17b10e8b16de76d8a14d30aca1d
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: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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