MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 ed6326f78b006f0c6658085f64b1e1aa302578039669b6bb606dcf471bd5defb. 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
| SHA256 hash: | ed6326f78b006f0c6658085f64b1e1aa302578039669b6bb606dcf471bd5defb |
|---|---|
| SHA3-384 hash: | 5d349fe36278301bb6a2c6adc00f98d1d78fe79395492017519a05ba2870abceb234586e25af9db667ee2cfe68149427 |
| SHA1 hash: | 5ad96da90b795a2cc65136a6dfc587b53496eb0a |
| MD5 hash: | 48df9e78bff66e93455ddfdc35ad1ea6 |
| humanhash: | quiet-winter-nineteen-jupiter |
| File name: | 48df9e78bff66e93455ddfdc35ad1ea6.exe |
| Download: | download sample |
| Signature | OskiStealer |
| File size: | 669'696 bytes |
| First seen: | 2022-05-20 14:41:38 UTC |
| Last seen: | 2022-05-20 15:48:05 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'750 x AgentTesla, 19'656 x Formbook, 12'248 x SnakeKeylogger) |
| ssdeep | 12288:br1L/Wmpae8zhWl1DchYHqbM/R+/eQnObUQnDCldfInj6WGRR:br1qqh2Wl64/R+VnObUQOFIur |
| Threatray | 797 similar samples on MalwareBazaar |
| TLSH | T1CEE4120537188A3CE03D5A3DE373094327B17B971D02D6587FCBA1CA4956E86DE2BA27 |
| TrID | 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 9.9% (.EXE) Win64 Executable (generic) (10523/12/4) 6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.7% (.EXE) Win16 NE executable (generic) (5038/12/1) 4.2% (.EXE) Win32 Executable (generic) (4505/5/1) |
| Reporter |  abuse_ch |
| Tags: | exe OskiStealer |
Indicators Of Compromise (IOCs)
Below is a list of indicators of compromise (IOCs) associated with this malware samples.
| IOC | ThreatFox Reference |
|---|---|
| http://spetralnet2.com/6.jpg | https://threatfox.abuse.ch/ioc/614774/ |
| http://spetralnet2.com/5.jpg | https://threatfox.abuse.ch/ioc/614775/ |
| http://spetralnet2.com/4.jpg | https://threatfox.abuse.ch/ioc/614776/ |
| http://spetralnet2.com/7.jpg | https://threatfox.abuse.ch/ioc/614777/ |
| http://spetralnet2.com/2.jpg | https://threatfox.abuse.ch/ioc/614778/ |
| http://spetralnet2.com/3.jpg | https://threatfox.abuse.ch/ioc/614779/ |
| http://spetralnet2.com/1.jpg | https://threatfox.abuse.ch/ioc/614780/ |
Intelligence
File Origin
# of uploads :
2
# of downloads :
329
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
48df9e78bff66e93455ddfdc35ad1ea6.exe
Verdict:
No threats detected
Analysis date:
2022-05-20 15:17:51 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Adding an access-denied ACE
Launching a process
Sending a custom TCP request
DNS request
Creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
control.exe obfuscated packed replace.exe
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.
Verdict:
Unknown
Result
Threat name:
Oski Stealer, Vidar
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to hide user accounts
Found evasive API chain (may stop execution after checking locale)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Posts data to a JPG file (protocol mismatch)
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Oski Stealer
Yara detected UAC Bypass using CMSTP
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-05-16 07:32:49 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
16 of 41 (39.02%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Similar samples:
+ 787 additional samples on MalwareBazaar
Result
Malware family:
oski
Score:
10/10
Tags:
family:oski infostealer suricata
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Oski
suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer HTTP POST Pattern
Malware Config
C2 Extraction:
spetralnet2.com
Unpacked files
SH256 hash:
f153ea94c972a9a78e21868d628eeb1a676b6a731ce2b0a227e52d107736a75b
MD5 hash:
375ddf2328d985bddcf3345e953473a1
SHA1 hash:
78f77e912647969bd588e557640527c68eda26fc
SH256 hash:
70b785e5cb5b2e61c0f5da4a71ab0bbd14d9a0849387f037e0d75cc1ffe0a082
MD5 hash:
5951b52c9b4d11ca7f4f33e5a3fb2c31
SHA1 hash:
0bc54fd699fff7b93e5c447a141c0d904924ab0d
SH256 hash:
ed6326f78b006f0c6658085f64b1e1aa302578039669b6bb606dcf471bd5defb
MD5 hash:
48df9e78bff66e93455ddfdc35ad1ea6
SHA1 hash:
5ad96da90b795a2cc65136a6dfc587b53496eb0a
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.38
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: | BitcoinAddress |
|---|---|
| Author: | Didier Stevens (@DidierStevens) |
| Description: | Contains a valid Bitcoin address |
| Rule name: | MALWARE_Win_Vidar |
|---|---|
| Author: | ditekSHen |
| Description: | Detects Vidar / ArkeiStealer |
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| Rule name: | Vidar |
|---|---|
| Author: | kevoreilly |
| Description: | Vidar Payload |
| Rule name: | win_oski_auto |
|---|---|
| Author: | Felix Bilstein - yara-signator at cocacoding dot com |
| Description: | Detects win.oski. |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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