MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bbd4dd21dde67a96ac02aa9795ce662fa36d4edb90d13f2ffbdeee0d4aea5050. 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: 8


Intelligence 8 IOCs 7 YARA 7 File information Comments

SHA256 hash: bbd4dd21dde67a96ac02aa9795ce662fa36d4edb90d13f2ffbdeee0d4aea5050
SHA3-384 hash: d92f90f4c68ba1c0106ba3d22bf1a21dde87ab9d4eb9c76b4b12dd0e4d1c48f6c9c95c427ae917c91d7fc0ea5a895281
SHA1 hash: 3cde19f615684e6f124c747bbefc3e65780c77ce
MD5 hash: 2e85f22e8e3436b38af2299a04f0cad8
humanhash: fillet-maine-artist-iowa
File name:DFI0451587032.exe
Download: download sample
Signature OskiStealer
File size:384'824 bytes
First seen:2021-04-26 02:10:46 UTC
Last seen:2021-04-26 18:22:37 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 6144:2vj35ZtfUeAIQHuA36cdSroobIjea50XN8/byvARG:2r33eeAItC66qoocjeuYYyYA
Threatray 98 similar samples on MalwareBazaar
TLSH 4A84A178FDFF2A85C210DE3A666CB05A56E19C58CE8B437BE0D472A47E70CC81A4651F
Reporter abuse_ch
Tags:exe OskiStealer


Avatar
abuse_ch
OskiStealer C2:
http://vtqt.xyz/6.jpg

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
http://vtqt.xyz/6.jpg https://threatfox.abuse.ch/ioc/9977/
http://vtqt.xyz/1.jpg https://threatfox.abuse.ch/ioc/9978/
http://vtqt.xyz/2.jpg https://threatfox.abuse.ch/ioc/9979/
http://vtqt.xyz/3.jpg https://threatfox.abuse.ch/ioc/9980/
http://vtqt.xyz/4.jpg https://threatfox.abuse.ch/ioc/9981/
http://vtqt.xyz/5.jpg https://threatfox.abuse.ch/ioc/9982/
http://vtqt.xyz/7.jpg https://threatfox.abuse.ch/ioc/9983/

Intelligence


File Origin
# of uploads :
3
# of downloads :
134
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
DFI0451587032.exe
Verdict:
No threats detected
Analysis date:
2021-04-26 02:12:11 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a process from a recently created file
Sending a UDP request
Creating a file
DNS request
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
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Connection attempt to an infection source
Stealing user critical data
Launching a tool to kill processes
Enabling autorun by creating a file
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
Detection:
malicious
Classification:
troj.spyw.evad
Score:
76 / 100
Signature
Creates an undocumented autostart registry key
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
Performs DNS queries to domains with low reputation
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes to foreign memory regions
Yara detected Costura Assembly Loader
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Infostealer.Vidar
Status:
Malicious
First seen:
2021-04-26 02:11:08 UTC
AV detection:
5 of 47 (10.64%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
ebb4c7a8527658d4f02f6242d0a4a518e5881ac4b89ee7036cc8464214a66811
MD5 hash:
9766c14be8e0d0a3e027c63fa097b55b
SHA1 hash:
c96561c8f8aa14db919676b8e84bccb581436db7
SH256 hash:
5570f59f862b40f24f073c78c591e5a9ed5b1d85278c5b85dde7e795ddd3db8d
MD5 hash:
3439e46043b25c01465228c4b6d6337c
SHA1 hash:
98406da20064bb5861b032e6bbd8486a9e5b91ab
SH256 hash:
9a5eada0009982dbd4fd794406a022e7935b935ca75ba0423b1f3b8672521aae
MD5 hash:
5e88863c02b269f9aa312f731e3a4c66
SHA1 hash:
7f49f71aa11ee5d76966edd7c867419109cacc4c
Detections:
win_oski_g0 win_oski_auto
SH256 hash:
bbd4dd21dde67a96ac02aa9795ce662fa36d4edb90d13f2ffbdeee0d4aea5050
MD5 hash:
2e85f22e8e3436b38af2299a04f0cad8
SHA1 hash:
3cde19f615684e6f124c747bbefc3e65780c77ce
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Author:Aaron DeVera
Description:Discord domains
Rule name:INDICATOR_KB_CERT_04f131322cc31d92c849fca351d2f141
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:MALWARE_Win_Vidar
Author:ditekSHen
Description:Detects Vidar / ArkeiStealer
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
Rule name:win_oski_g0
Author:Slavo Greminger, SWITCH-CERT

File information


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

Web download

OskiStealer

Executable exe bbd4dd21dde67a96ac02aa9795ce662fa36d4edb90d13f2ffbdeee0d4aea5050

(this sample)

  
Delivery method
Distributed via web download

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