MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2e970f330612770b2d3b786690aa6dd847a0d4773cc726fdc5df1dd9338d6e07. 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: 10


Intelligence 10 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2e970f330612770b2d3b786690aa6dd847a0d4773cc726fdc5df1dd9338d6e07
SHA3-384 hash: 4eac80a54604320ec6566c9892e81b647c8aac420d6c685f618d1436bb43fb8ab1ec51cc715f36ba0cb4659b7392ffa0
SHA1 hash: 71a981250a9bac4dbb517196c86adca52a22244b
MD5 hash: ffaa9755239587c3b4678da8afa6dd9c
humanhash: victor-may-indigo-arkansas
File name:Account Details for transfer.exe
Download: download sample
Signature OskiStealer
Create hunting rule
File size:915'456 bytes
First seen:2021-10-10 10:45:10 UTC
Last seen:2021-10-10 12:04:05 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:phvirSme9I5UJaeutyLgiPxl6MkneDogS7qn+QHnFsVjs7YtiwS0:/Me93attKgiDt3S7ULHnhcpS
TLSH T1F2158D60DAD50025EF729F3859F95876BA3BAE7139217C3CA41B7EA70B334C19893439
File icon (PE):PE icon
dhash icon 4d342169d4d53569 (3 x OskiStealer, 1 x NetWire)
Reporter abuse_ch
Tags:exe OskiStealer

Intelligence

File Origin
# of uploads :
2
# of downloads :
234
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Account Details for transfer.exe
Verdict:
Malicious activity
Analysis date:
2021-10-10 10:49:55 UTC
Tags:
trojan stealer vidar loader
Link:
https://app.any.run/tasks/96494e2d-488d-4b14-9545-731a31680cc5

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/196364/
Detection(s):
SecuriteInfo.com.BackDoor.SpyBotNET.25.2777.27796.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:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/6162c46c3831960005b2a747/reports/b3f6c219-bfdc-433a-84ef-6daab224ae52/overview
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2e970f330612770b2d3b786690aa6dd847a0d4773cc726fdc5df1dd9338d6e07/
Threat name:
ByteCode-MSIL.Trojan.Sabsik
Create hunting rule
Status:
Malicious
First seen:
2021-10-10 10:08:26 UTC
AV detection:
13 of 45 (28.89%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=f2lq6mygcj3qwlj3pbtjbktn3bd2bvdxhtdsn7of34o5sm4nnydq._file
Verdict:
malicious
Result
Malware family:
oski
Create hunting rule
Score:
  10/10
Tags:
family:oski discovery infostealer spyware stealer
Link:
https://tria.ge/reports/211010-mtzeqsfgd3/
Behaviour
Checks processor information in registry
Creates scheduled task(s)
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
Loads dropped DLL
Reads user/profile data of web browsers
Downloads MZ/PE file
Oski
Malware Config
C2 Extraction:
samsungprod.xyz
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/2e970f330612/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/2e970f330612770b2d3b786690aa6dd847a0d4773cc726fdc5df1dd9338d6e07

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
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.

Malspam

OskiStealer

Executable exe 2e970f330612770b2d3b786690aa6dd847a0d4773cc726fdc5df1dd9338d6e07

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/196364/

Comments