MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 191db013c67081442ef5e75edd00c2572f6ec9d7f629ddac9bba8942722c061d. 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: | 191db013c67081442ef5e75edd00c2572f6ec9d7f629ddac9bba8942722c061d |
|---|---|
| SHA3-384 hash: | 16820ebc56530c9e4664e5305afaa270fd9b18e70eb6c87e75e4f1a50eec75b60ce8ff9fbfaa99b4920e305bf6278da9 |
| SHA1 hash: | ddcb6867ed961d1a00cb5467f63e45218a51f3ab |
| MD5 hash: | 6a73a70fe64bd9079558ecb935a7cfd1 |
| humanhash: | steak-colorado-washington-pip |
| File name: | GT N°167238-09902022.exe |
| Download: | download sample |
| Signature | OskiStealer |
| File size: | 1'185'792 bytes |
| First seen: | 2022-03-28 21:42:51 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger) |
| ssdeep | 24576:QID4lgeriYNaGWugk24sDcSGB9nINrUzAarNeC:kmlc/Vgk9sYI68arQ |
| Threatray | 4'408 similar samples on MalwareBazaar |
| TLSH | T18745F113B6A99A05C43543BBCCAB80CC17B03E45AD5BD64F7DC533CF1A727865A09A8B |
| 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://lomidut.tk/1.jpg | https://threatfox.abuse.ch/ioc/458884/ |
| http://lomidut.tk/6.jpg | https://threatfox.abuse.ch/ioc/458885/ |
| http://lomidut.tk/2.jpg | https://threatfox.abuse.ch/ioc/458886/ |
| http://lomidut.tk/3.jpg | https://threatfox.abuse.ch/ioc/458887/ |
| http://lomidut.tk/4.jpg | https://threatfox.abuse.ch/ioc/458888/ |
| http://lomidut.tk/5.jpg | https://threatfox.abuse.ch/ioc/458890/ |
| http://lomidut.tk/7.jpg | https://threatfox.abuse.ch/ioc/458891/ |
Intelligence
File Origin
# of uploads :
1
# of downloads :
235
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Vidar
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Creating a process from a recently created file
Creating a file
Running batch commands
Creating a process with a hidden window
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Launching a tool to kill processes
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
bladabindi control.exe explorer.exe fareit obfuscated packed replace.exe shell32.dll
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 method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
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)
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 (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)
Tries to steal Crypto Currency Wallets
Yara detected AntiVM3
Yara detected Oski Stealer
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Status:
Malicious
First seen:
2022-03-28 21:43:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
77
AV detection:
19 of 26 (73.08%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Similar samples:
+ 4'398 additional samples on MalwareBazaar
Result
Malware family:
oski
Score:
10/10
Tags:
family:oski infostealer
Behaviour
Modifies data under HKEY_USERS
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Oski
Malware Config
C2 Extraction:
http://lomidut.tk
Unpacked files
SH256 hash:
4c1de703b2a9b8423ccc3abafd22322c6e37c34af87495ddb2907c7d336dbca8
MD5 hash:
d46b0a20bb53aa6e0596440318ef1b18
SHA1 hash:
e34293d2057d9ca6f2e7ba20a47620551552b69d
SH256 hash:
ec508e3d0f5d84ed6552f6510414ea523f298ae6272f0e7fae0502a1e6432b51
MD5 hash:
33c11efe7619d256df55d1d33cf241df
SHA1 hash:
a2f202ee1cd9551a2c8023e460e78f84bc945adb
Detections:
win_oski_g0
win_oski_auto
SH256 hash:
613b2819d35360cbfe6c94b2b998d1a4998c89f5bdef505e0e158e1288ab684c
MD5 hash:
3096cbaf4b5d40f9c61bf7ce13fde62f
SHA1 hash:
6b3c580e51fd306bfdc2e727ca3bc7805aba4b53
SH256 hash:
f19a27c5e56cddd0925de5aaac9ff851996b8264df516afa5667c0244f8b376b
MD5 hash:
16ee0270b847994d670e2fc2c2c443b6
SHA1 hash:
5a9b3f4a02306cd00e9a2ccb50b2f718b32e9b5e
SH256 hash:
191db013c67081442ef5e75edd00c2572f6ec9d7f629ddac9bba8942722c061d
MD5 hash:
6a73a70fe64bd9079558ecb935a7cfd1
SHA1 hash:
ddcb6867ed961d1a00cb5467f63e45218a51f3ab
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.
Comments
Login required
You need to login to in order to write a comment. Login with your abuse.ch account.