MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 6bbdcec0763847706f9b75674aad231ff23afd2b212138fc630a86f69f8180d8. 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
| SHA256 hash: | 6bbdcec0763847706f9b75674aad231ff23afd2b212138fc630a86f69f8180d8 |
|---|---|
| SHA3-384 hash: | 3e695c5e547d9c90da8807b7bd6dd6518d4e3a91eeae16b32ca86de90be7524b80f3710e405cc867631f10f2aea6c835 |
| SHA1 hash: | a5c6148505c3707580947351e9d07062979bb05d |
| MD5 hash: | 090148a4d527120eaaa7d5d2f0aa5bf1 |
| humanhash: | october-eleven-ten-hotel |
| File name: | SecuriteInfo.com.Trojan.GenericKD.46212578.16723.14032 |
| Download: | download sample |
| Signature | OskiStealer |
| File size: | 784'184 bytes |
| First seen: | 2021-05-03 12:15:28 UTC |
| Last seen: | 2021-05-03 13:05:03 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger) |
| ssdeep | 12288:3PUeeAItC66s5xvpAjrarTo7skY2XqzB3jn/:n9I0S5xv0JYk5qzB3j/ |
| Threatray | 88 similar samples on MalwareBazaar |
| TLSH | FDF47B00A3ECA626D1EE3BB4B9702B1147F5FD06B572D74F99C8B5A99873B404C50BA3 |
| Reporter |  SecuriteInfoCom |
| Tags: | OskiStealer |
Intelligence
File Origin
# of uploads :
3
# of downloads :
99
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Result
Verdict:
Clean
Maliciousness:
Behaviour
Creating a window
Sending a custom TCP request
Sending a UDP request
Creating a file
Deleting a recently created file
Replacing files
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.
Result
Threat name:
Vidar
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Creates an undocumented autostart registry key
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
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Posts data to a JPG file (protocol mismatch)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Crypto Currency Wallets
Writes to foreign memory regions
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.Witch
Status:
Malicious
First seen:
2021-04-29 21:51:49 UTC
AV detection:
29 of 47 (61.70%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
unknown
Similar samples:
+ 78 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
Loads dropped DLL
Reads user/profile data of web browsers
Downloads MZ/PE file
Oski
Unpacked files
SH256 hash:
627313c62d851ad8948930eaf1b3e18f7a34f6131e3502a59c357bd39615f07f
MD5 hash:
48a8b4e53668bae5b7ac1c5660a2ef5e
SHA1 hash:
8b776e6fdd9ca11feeca248e11f56c0f69efa682
SH256 hash:
ede7a871fca7f195aca416b7fb3a4d65e71d841fe50fa8b9d2c6b7f6bcc6bb54
MD5 hash:
eb0765cc454eccbcc2809e29a7c52098
SHA1 hash:
237a51729be05f9a55ff9a467a71798a955058cd
SH256 hash:
fc5da7e67cc4a77fc94a814cdde8b7c2705cf1fd09addfe91ee204647275538f
MD5 hash:
b188c5edfad98e6d1039796e8b988caf
SHA1 hash:
19b6c0b32f5add2f51645a8df94d1dc672e7c952
Detections:
win_oski_g0
win_oski_auto
SH256 hash:
6bbdcec0763847706f9b75674aad231ff23afd2b212138fc630a86f69f8180d8
MD5 hash:
090148a4d527120eaaa7d5d2f0aa5bf1
SHA1 hash:
a5c6148505c3707580947351e9d07062979bb05d
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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 |
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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MBC behaviors list (github.com/accidentalrebel/mbcscan):
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0) [B0023] Execution::Install Additional Program