MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 6b95b02847bc1eae8b9b97da0cecb7f85f554314ecbea6affe44319ef1b5206b. 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: 11
| SHA256 hash: | 6b95b02847bc1eae8b9b97da0cecb7f85f554314ecbea6affe44319ef1b5206b |
|---|---|
| SHA3-384 hash: | f8595b1087bd85854b48c65210b4aeedbb857ac7c328344d68cecb40a711bf6913b6afa5041860258ab0e6e5cafd88f0 |
| SHA1 hash: | b739d4641afc15cb9b63a39bdc9c3a9b9cd05f01 |
| MD5 hash: | 00001effb01cec7a867b5ccae0325fe1 |
| humanhash: | crazy-west-apart-bravo |
| File name: | 00001effb01cec7a867b5ccae0325fe1.exe |
| Download: | download sample |
| Signature | OskiStealer |
| File size: | 861'184 bytes |
| First seen: | 2021-07-06 09:01:06 UTC |
| Last seen: | 2021-07-06 11:45:28 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'752 x AgentTesla, 19'658 x Formbook, 12'248 x SnakeKeylogger) |
| ssdeep | 12288:zKP6NsB5DOb4tOmaMrCFdjBoDNV1vUDEFbG4ZUlnwYdzzY0BcEjZjL8DP:zKP6N6DswmnjODNJlknddXBHjBcP |
| Threatray | 1'666 similar samples on MalwareBazaar |
| TLSH | D8056C7A20768BA2EEBFCB380735555C0FDABE76D10BF53C6948714900F0B5506AB62B |
| 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://37.0.11.237/az//6.jpg | https://threatfox.abuse.ch/ioc/157881/ |
| http://37.0.11.237/az//1.jpg | https://threatfox.abuse.ch/ioc/157882/ |
| http://37.0.11.237/az//2.jpg | https://threatfox.abuse.ch/ioc/157883/ |
| http://37.0.11.237/az//3.jpg | https://threatfox.abuse.ch/ioc/157884/ |
| http://37.0.11.237/az//4.jpg | https://threatfox.abuse.ch/ioc/157885/ |
| http://37.0.11.237/az//5.jpg | https://threatfox.abuse.ch/ioc/157886/ |
| http://37.0.11.237/az//7.jpg | https://threatfox.abuse.ch/ioc/157887/ |
Intelligence
File Origin
# of uploads :
2
# of downloads :
184
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
azz.exe.1.bin.1.bin
Verdict:
Malicious activity
Analysis date:
2021-07-06 05:28:00 UTC
Tags:
trojan stealer vidar opendir loader
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Vidar
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:
Generic Malware
Verdict:
Malicious
Result
Threat name:
Unknown
Detection:
clean
Classification:
n/a
Score:
3 / 100
Behaviour
Behavior Graph:
n/a
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-07-06 09:01:19 UTC
AV detection:
16 of 46 (34.78%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
+ 1'656 additional samples on MalwareBazaar
Result
Malware family:
oski
Score:
10/10
Tags:
family:oski discovery evasion 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
Maps connected drives based on registry
Checks BIOS information in registry
Deletes itself
Loads dropped DLL
Reads user/profile data of web browsers
Downloads MZ/PE file
Looks for VMWare Tools registry key
Looks for VirtualBox Guest Additions in registry
Oski
Malware Config
C2 Extraction:
37.0.11.237/az/
Unpacked files
SH256 hash:
5209992fd1f96cd1959efb5e1afa71f5c9ae2ab4430e258fe9d0ec915098d110
MD5 hash:
257ca10e5cbb2f8bdf0ae6f3e900e11e
SHA1 hash:
9d25ee80dbe3bbce5ab4479912c5e21b19b6aeec
SH256 hash:
d2e899c22b335a015aabed0cc16ba7a52f35b6015cefbf4c673c60dd8239725f
MD5 hash:
c6d4a881b2dd16ab83b70c6c947fb13a
SHA1 hash:
4c8f7e6d7678d0121305d88892d090734a131833
Detections:
win_oski_g0
win_oski_auto
SH256 hash:
6b95b02847bc1eae8b9b97da0cecb7f85f554314ecbea6affe44319ef1b5206b
MD5 hash:
00001effb01cec7a867b5ccae0325fe1
SHA1 hash:
b739d4641afc15cb9b63a39bdc9c3a9b9cd05f01
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: | autogenerated rule brought to you by yara-signator |
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
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