MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 cabe623befbaa25599e9c97bef6be8175332b29c6571a2c8e755c7a732beedbd. 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: 13
| SHA256 hash: | cabe623befbaa25599e9c97bef6be8175332b29c6571a2c8e755c7a732beedbd |
|---|---|
| SHA3-384 hash: | 9f224d78473fa10f2a74c504a55be72f498f3da803154d6b8999ba59e7d04b12405020f19d84009b108bb02bd9d7ccce |
| SHA1 hash: | 3ed1d8d84dad394f02215be758ffa44dd7369a87 |
| MD5 hash: | c43d068c4d5d5639bc78f512b21ffdb4 |
| humanhash: | mobile-river-delaware-autumn |
| File name: | c43d068c4d5d5639bc78f512b21ffdb4.exe |
| Download: | download sample |
| Signature | OskiStealer |
| File size: | 507'392 bytes |
| First seen: | 2021-12-17 15:58:37 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger) |
| ssdeep | 12288:mQuSK3pkQ5FkpAa1vj9vsN6cyyOXZhzzkmyyy1pWy2tGG:mzSK3pkQUPBvsN6yunzkdUGG |
| Threatray | 4'215 similar samples on MalwareBazaar |
| TLSH | T18BB4129417B1CA0BC07A0BFB247561E1C7B426526613DF9F6E6EE2DFC826B811A107D3 |
| File icon (PE): |  |
| dhash icon | b3b3333969693b3b (69 x Formbook, 63 x AgentTesla, 26 x Loki) |
| Reporter |  abuse_ch |
| Tags: | exe OskiStealer |
Intelligence
File Origin
# of uploads :
1
# of downloads :
173
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Vidar
Result
Verdict:
Malware
Maliciousness:
Behaviour
Changing the Zone.Identifier stream
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Creating a window
DNS request
Unauthorized injection to a recently created process
Creating a file
Reading critical registry keys
Delayed writing of the file
Stealing user critical data
Query of malicious DNS domain
Launching a tool to kill processes
Sending an HTTP GET request to an infection source
Verdict:
Suspicious
Threat level:
5/10
Confidence:
75%
Tags:
fareit obfuscated packed
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.
Malware family:
Oski Stealer
Verdict:
Malicious
Result
Threat name:
Oski Vidar
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Creates files in alternative data streams (ADS)
Creates HTML files with .exe extension (expired dropper behavior)
Downloads files with wrong headers with respect to MIME Content-Type
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Multi AV Scanner detection for submitted file
Posts data to a JPG file (protocol mismatch)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Crypto Currency Wallets
Yara detected AntiVM3
Yara detected Oski Stealer
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-12-17 15:59:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
21
AV detection:
24 of 28 (85.71%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Similar samples:
+ 4'205 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
NTFS ADS
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
Deletes itself
Loads dropped DLL
Reads user/profile data of web browsers
Downloads MZ/PE file
Oski
Malware Config
C2 Extraction:
golfhomexpresx.ir
Unpacked files
SH256 hash:
a45334d74467371c3282813bd23967fc501adc7a83e23031e369af5e2389344d
MD5 hash:
b7c924c8667256f74648672fe99061a4
SHA1 hash:
27af40b9a7627782bb514febc752017ac51f6567
SH256 hash:
9f5763966bacdc6de3944a6e06a49b05869c38f2e98b32cb93b483a480a6ffff
MD5 hash:
3418c620c4b9dd4533a88f1ba5ec3ff1
SHA1 hash:
12f6aaf1c90030c4063d42a27b2e7000a08b6e74
SH256 hash:
58ffaa98ea23de16e10355dbf4d7bbce13b45b16102da499b003fd707b4eb5ba
MD5 hash:
5e0f5cdbc6104a979cc92ba293b3b1c9
SHA1 hash:
124a5d02b50da7caa078d4cae6d7ad455a7a2e26
Detections:
win_oski_g0
win_oski_auto
Parent samples :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 hash:
cabe623befbaa25599e9c97bef6be8175332b29c6571a2c8e755c7a732beedbd
MD5 hash:
c43d068c4d5d5639bc78f512b21ffdb4
SHA1 hash:
3ed1d8d84dad394f02215be758ffa44dd7369a87
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: | INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture |
|---|---|
| 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: | pe_imphash |
|---|
| 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.
Web download
Delivery method
Distributed via web download
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