MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 5490a5cc380603d9f186201100008c79c6c32cd898cb963feffc5290521a9f3c. 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: | 5490a5cc380603d9f186201100008c79c6c32cd898cb963feffc5290521a9f3c |
|---|---|
| SHA3-384 hash: | 21902759836608b9ba5cc125972ba5b32bdeb79adcbd6835d0b8311ed79426e04967f6a0ae6358ee009a0b564a35f05e |
| SHA1 hash: | b65379da8936230bf8fd5eee477673364c749216 |
| MD5 hash: | c50f443bc0d2a89945437142027f69d1 |
| humanhash: | floor-princess-asparagus-edward |
| File name: | c50f443bc0d2a89945437142027f69d1 |
| Download: | download sample |
| Signature | OskiStealer |
| File size: | 434'688 bytes |
| First seen: | 2021-10-07 08:01:50 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 | 6144:qgELX+ZzDQ+3HwODw2ZNMfsON7RQGFQDSJh128WGfBu9x2Wat95rwSp5Fj6ivVya:qgFkoHMf5N7RQd+28W4hWmrwWx9tx |
| Threatray | 3'814 similar samples on MalwareBazaar |
| TLSH | T1CC94018523A78708CD7883F52819AB611375E016211ED77C6ED8E1FC7EA77B98AD0287 |
| Reporter |  zbetcheckin |
| Tags: | 32 exe OskiStealer |
Indicators Of Compromise (IOCs)
Below is a list of indicators of compromise (IOCs) associated with this malware samples.
| IOC | ThreatFox Reference |
|---|---|
| http://lg-tvproducts.xyz/6.jpg | https://threatfox.abuse.ch/ioc/231211/ |
| http://lg-tvproducts.xyz/1.jpg | https://threatfox.abuse.ch/ioc/231212/ |
| http://lg-tvproducts.xyz/2.jpg | https://threatfox.abuse.ch/ioc/231213/ |
| http://lg-tvproducts.xyz/3.jpg | https://threatfox.abuse.ch/ioc/231214/ |
| http://lg-tvproducts.xyz/4.jpg | https://threatfox.abuse.ch/ioc/231215/ |
| http://lg-tvproducts.xyz/5.jpg | https://threatfox.abuse.ch/ioc/231216/ |
| http://lg-tvproducts.xyz/7.jpg | https://threatfox.abuse.ch/ioc/231217/ |
Intelligence
File Origin
# of uploads :
1
# of downloads :
135
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
5400040115 Pratincole Pacific PRAT-RR-21-H070 DELMAR MARINE SERVICES PTE LTD.xlsx
Verdict:
Malicious activity
Analysis date:
2021-10-07 07:34:25 UTC
Tags:
encrypted trojan opendir exploit CVE-2017-11882 loader stealer vidar phishing
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Vidar
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
fareit obfuscated packed
Result
Threat name:
Oski Vidar
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Downloads files with wrong headers with respect to MIME Content-Type
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
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.Infostealer.Generic
Status:
Suspicious
First seen:
2021-10-07 08:02:24 UTC
AV detection:
7 of 45 (15.56%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
+ 3'804 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 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
Deletes itself
Loads dropped DLL
Reads user/profile data of web browsers
Downloads MZ/PE file
Oski
Malware Config
C2 Extraction:
lg-tvproducts.xyz
Unpacked files
SH256 hash:
edcd5ace8145be5c4567824d2417dea16f7a556492a2fce00baaadd379f1681a
MD5 hash:
6843010538d2c3911dcb08bd8b5c2ff0
SHA1 hash:
605dbdd916a9e41ed30733b09494727766b4b5ad
SH256 hash:
5b16dd238187b5befd53bba918112083a5990c73fe8d0606b3eec65cc3a5aaf6
MD5 hash:
dff8a81f8ca81545b9f960470ab77267
SHA1 hash:
5ad9fe77c2c9bbaf78ad118324ae1e0384202c54
Detections:
win_oski_g0
win_oski_auto
Parent samples :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 hash:
fe8637d821a39a8b74abce7e043007d38cb9c5cfcb7098af9846cfd98185ac03
MD5 hash:
c380b6831f456ac5cac08c78c0e4dada
SHA1 hash:
3e241a0b9d96c1dfbadd7ee1a8c5ee6d74eba11c
SH256 hash:
5490a5cc380603d9f186201100008c79c6c32cd898cb963feffc5290521a9f3c
MD5 hash:
c50f443bc0d2a89945437142027f69d1
SHA1 hash:
b65379da8936230bf8fd5eee477673364c749216
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
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: | 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.
Web download
Delivery method
Distributed via web download
Comments
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