MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5069de588ac1f23d1cfa14c3ee61e5bc351d0314a5bbac248a5210a9db7e5a8c. 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: 9


Intelligence 9 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5069de588ac1f23d1cfa14c3ee61e5bc351d0314a5bbac248a5210a9db7e5a8c
SHA3-384 hash: dece7f37567c1f26f2c24888ba547c4ad601ac2b6b4778ee821d56b424b8d60d40dd96738f4ed1a72723402adbff7970
SHA1 hash: 0ce65d8119d415a5df76080625097acfb1359514
MD5 hash: d20d0d39b52c812da0ae519d68aa889b
humanhash: eight-uniform-oven-batman
File name:d20d0d39b52c812da0ae519d68aa889b.exe
Download: download sample
Signature OskiStealer
Create hunting rule
File size:278'016 bytes
First seen:2021-04-20 11:47:56 UTC
Last seen:2021-04-20 13:02:01 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:DRwtfUeAIQHuA36cd9E7mhXPwC2lIXXCP6VLNjAJZQ:+eeAItC669gmVd2GA0BAJ
Threatray 971 similar samples on MalwareBazaar
TLSH B9441200A6988639D954CA72EE358220C3309C2FE82641EBE85CFF4F7579BDDF5546B2
Reporter abuse_ch
Tags:exe OskiStealer

Intelligence

File Origin
# of uploads :
2
# of downloads :
92
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
d20d0d39b52c812da0ae519d68aa889b.exe
Verdict:
Malicious activity
Analysis date:
2021-04-20 11:48:39 UTC
Tags:
trojan stealer vidar loader
Link:
https://app.any.run/tasks/1cf2fa3c-9b9c-4083-8171-c59e0bff8abe

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/139574/
Detection(s):
SecuriteInfo.com.Trojan.Packed2.43029.17783.14045.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Sending a custom TCP request
Sending a UDP request
Creating a file
Creating a file in the %temp% directory
Creating a process from a recently created file
Connection attempt
Deleting a recently created file
Reading critical registry keys
Replacing files
Creating a window
Delayed writing of the file
Running batch commands
Creating a process with a hidden window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Launching a tool to kill processes
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.
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5069de588ac1f23d1cfa14c3ee61e5bc351d0314a5bbac248a5210a9db7e5a8c/
Gathering data
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kbu54wekyhzd2hh2ctb64ypfxq2r2ayuuw52yjekkiiktw36lkga._file
Verdict:
malicious
Similar samples:
3b9f555888df6326a6a0c7dd2c2c1c2d78bbb969c1b7d40ea0d0e9679a06bbc5
OskiStealer
40afa1e323be151d0d7a38c72f771b0b9e909f49ddade942d4260a5e29e5ec2f
OskiStealer
5389a958986f6ceccaa9e44006852becbccabfb07f126d69e6b031227fb0b487
OskiStealer
69fe5bb4b975f9437b6c3bcf3f07dc807a8f2e848f1e0c5802012295b06a742c
OskiStealer
8959562f5a87f40b9c3917a98e10d68e2c459c8df9bdd9664f615af6d5b9959e
OskiStealer
b2a66114f2afb03bd4087e7fc37d6c89ff7f3d3bd48d751dc9334a5a746f7c37
OskiStealer
b699a2766f106ff77377780bad431b72ef1748bf989e09f2b82fb73cf30cbde3
OskiStealer
c0ff93ef4930a7dc2d95a6ee490fecdddcbe946e479b1d4fdb47285245b28675
OskiStealer
d217032899487162688fa6c3855e13040b074de38d9c57c91b47c1190842edc2
OskiStealer
d40dedd7f637a1ef9703b582a6d536469d1cf62bddc1a462a9cceeb7f9194f13
OskiStealer
+ 961 additional samples on MalwareBazaar
Result
Malware family:
oski
Create hunting rule
Score:
  10/10
Tags:
family:oski discovery infostealer persistence spyware stealer
Link:
https://tria.ge/reports/210420-ry36vrg16e/
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
Adds Run key to start application
Checks installed software on the system
Deletes itself
Loads dropped DLL
Reads user/profile data of web browsers
Downloads MZ/PE file
Oski
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/5069de588ac1f23d1cfa14c3ee61e5bc351d0314a5bbac248a5210a9db7e5a8c

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:dsc
Create hunting rule
Author:Aaron DeVera
Description:Discord domains
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

OskiStealer

Executable exe 5069de588ac1f23d1cfa14c3ee61e5bc351d0314a5bbac248a5210a9db7e5a8c

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/139574/
  
URLhaus
https://urlhaus.abuse.ch/url/1143667/
  
Delivery method
Distributed via web download

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