MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1ad022fe6f175e63e599e94fcc39c0e909e4f733f34e290dd3a6ce9692aa2f33. 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: 12


Intelligence 12 IOCs 7 YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1ad022fe6f175e63e599e94fcc39c0e909e4f733f34e290dd3a6ce9692aa2f33
SHA3-384 hash: de47faa1f9d11495956cc928a5749e9708aff392219423c62482f8d0daa9cb9b4825797959a7ac7fb7f83e38de5033d6
SHA1 hash: 130e3c698ccdb7767b28e59ebeb8626993ef849f
MD5 hash: 92a49eaa18692b792a18f32c8cab5396
humanhash: georgia-apart-pizza-arkansas
File name:92a49eaa18692b792a18f32c8cab5396.exe
Download: download sample
Signature OskiStealer
Create hunting rule
File size:443'392 bytes
First seen:2021-10-07 08:21:07 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:ZlkoBn3ovMqzB1YeESiFeJtF6o9SmZsS:Zlk23ovMqbikjsmyS
Threatray 3'814 similar samples on MalwareBazaar
TLSH T1B694019813778608CD3807F46828ABA12774E00A21AED3785BE4F4FD7FA77B449E4597
Reporter abuse_ch
Tags:exe OskiStealer


Avatar
abuse_ch
OskiStealer C2:
http://lg-tvproducts.xyz/6.jpg

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox 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 :
129
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.doc
Verdict:
Malicious activity
Analysis date:
2021-10-07 07:34:29 UTC
Tags:
exploit CVE-2017-11882 loader trojan stealer vidar phishing
Link:
https://app.any.run/tasks/ba7594e5-5ca3-421a-bb7a-c528d23e24e6

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Vidar
Create hunting rule
Link:
https://www.capesandbox.com/analysis/195700/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.935-1.UNOFFICIAL
Create hunting rule

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
Link:
https://www.filescan.io/uploads/615eae2cb95458900cddef81/reports/c352d697-7974-4fe0-a2e4-8b0f1e7dac80/overview
Result
Threat name:
Oski
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/866147
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)
Injects a PE file into a foreign processes
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 498576 Sample: Qa0uWGDyeZ.exe Startdate: 07/10/2021 Architecture: WINDOWS Score: 100 37 Found malware configuration 2->37 39 Multi AV Scanner detection for submitted file 2->39 41 Yara detected Oski Stealer 2->41 43 5 other signatures 2->43 8 Qa0uWGDyeZ.exe 3 2->8         started        process3 file4 25 C:\Users\user\AppData\...\Qa0uWGDyeZ.exe.log, ASCII 8->25 dropped 45 Performs DNS queries to domains with low reputation 8->45 47 Injects a PE file into a foreign processes 8->47 12 Qa0uWGDyeZ.exe 196 8->12         started        17 Qa0uWGDyeZ.exe 8->17         started        signatures5 process6 dnsIp7 35 lg-tvproducts.xyz 195.133.18.140, 49751, 80 AS-REGRU Russian Federation 12->35 27 C:\ProgramData\vcruntime140.dll, PE32 12->27 dropped 29 C:\ProgramData\sqlite3.dll, PE32 12->29 dropped 31 C:\ProgramData\softokn3.dll, PE32 12->31 dropped 33 4 other files (none is malicious) 12->33 dropped 49 Tries to harvest and steal browser information (history, passwords, etc) 12->49 51 Tries to steal Crypto Currency Wallets 12->51 19 cmd.exe 1 12->19         started        file8 signatures9 process10 process11 21 taskkill.exe 1 19->21         started        23 conhost.exe 19->23         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1ad022fe6f175e63e599e94fcc39c0e909e4f733f34e290dd3a6ce9692aa2f33/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-10-07 08:13:24 UTC
AV detection:
12 of 45 (26.67%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=dlicf7tpc5pghzmz5fh4yooa5ee6j5zt6nhcsdotu3hjnevkf4zq._file
Verdict:
malicious
Similar samples:
024a5c3d369e1459332682cad7931a426722fdc2ec0950adc598e0227d0ef043
OskiStealer
31b0f01effcb3ceb506694ab49e3f3f9702090a449c2182ab2cfcd969b378f18
OskiStealer
43460a1724b2521dd5e97c68c16edfce9caf22d49452efd956a64db91b5935a7
OskiStealer
44aa270e4c081241057bad8c1d0ea5864087325f8e3209aa10747f108123f718
OskiStealer
5490a5cc380603d9f186201100008c79c6c32cd898cb963feffc5290521a9f3c
OskiStealer
5953d0e6904dcb824fe1afde62ed8c2e2266f9f074514d395a31b759013e846f
OskiStealer
5ffe71b977866248e55612e20cea0bf3ad51a50896443d791081f58b49cdc5df
OskiStealer
a03b45dabcaf812402454befd876b2eafbdf9e967f3bb01e66f33f3cabbdebd5
OskiStealer
a54ecc8d83199ee37e9af81592b4b3dbc037aaa14eba989f6dc0504a570bcc9c
OskiStealer
a870249216a9fd48fa38faf197c7cad48a16b1c1f0d17f98b9b5de4c1a1b7cfb
OskiStealer
+ 3'804 additional samples on MalwareBazaar
Result
Malware family:
oski
Create hunting rule
Score:
  10/10
Tags:
family:oski discovery infostealer spyware stealer suricata
Link:
https://tria.ge/reports/211007-j9kdzaccfq/
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
Deletes itself
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 Vidar/Arkei/Megumin/Oski Stealer Data Exfil
Malware Config
C2 Extraction:
lg-tvproducts.xyz
Unpacked files
SH256 hash:
5b16dd238187b5befd53bba918112083a5990c73fe8d0606b3eec65cc3a5aaf6
MD5 hash:
dff8a81f8ca81545b9f960470ab77267
SHA1 hash:
5ad9fe77c2c9bbaf78ad118324ae1e0384202c54
Detections:
win_oski_g0
Create hunting rule
win_oski_auto
Create hunting rule
Link:
https://www.unpac.me/results/ceaab05c-b88f-4637-b629-f227a8274b61/
Parent samples :
5490a5cc380603d9f186201100008c79c6c32cd898cb963feffc5290521a9f3c
1ad022fe6f175e63e599e94fcc39c0e909e4f733f34e290dd3a6ce9692aa2f33
31b0f01effcb3ceb506694ab49e3f3f9702090a449c2182ab2cfcd969b378f18
4acff00f1935efe2a12c8537de8b10c33bd714a07a8cdaafb56459f368acc669
136a24bbf74b38d2b898d3188864ff81134d05b1a7ee7aa4cf566d127a04a4ec
SH256 hash:
d5d9b41006f9a158c49f27e36396c69a8bff234e843d081a83df4bab2b6d6dfa
MD5 hash:
8c3c2d21ca730d5c5899bf126733f336
SHA1 hash:
4c7fb21042fca473002672fc3f0d2d171475cfeb
Link:
https://www.unpac.me/results/ceaab05c-b88f-4637-b629-f227a8274b61/
SH256 hash:
fe8637d821a39a8b74abce7e043007d38cb9c5cfcb7098af9846cfd98185ac03
MD5 hash:
c380b6831f456ac5cac08c78c0e4dada
SHA1 hash:
3e241a0b9d96c1dfbadd7ee1a8c5ee6d74eba11c
Link:
https://www.unpac.me/results/ceaab05c-b88f-4637-b629-f227a8274b61/
SH256 hash:
1ad022fe6f175e63e599e94fcc39c0e909e4f733f34e290dd3a6ce9692aa2f33
MD5 hash:
92a49eaa18692b792a18f32c8cab5396
SHA1 hash:
130e3c698ccdb7767b28e59ebeb8626993ef849f
Link:
https://www.unpac.me/results/ceaab05c-b88f-4637-b629-f227a8274b61/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/1ad022fe6f17/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
vidar
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/1ad022fe6f175e63e599e94fcc39c0e909e4f733f34e290dd3a6ce9692aa2f33

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
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
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

OskiStealer

Executable exe 1ad022fe6f175e63e599e94fcc39c0e909e4f733f34e290dd3a6ce9692aa2f33

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1659289/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/195700/

Comments