MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 662cd105cb4bb0060036ea229c5a391a932ba4a9fbb5cb6020ba027026085058. 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: | 662cd105cb4bb0060036ea229c5a391a932ba4a9fbb5cb6020ba027026085058 |
|---|---|
| SHA3-384 hash: | 490f009fa812e8cc1c608abc6e420d7b2181be491df6b7a439b93e14522b9480c6aa061ed6a02555f77e61d7573b6776 |
| SHA1 hash: | a71f3b37f5f669ee853a673bf567adbfff2fdc9a |
| MD5 hash: | 2ca75633e72f1577f91c95af18a7426f |
| humanhash: | oscar-bulldog-friend-solar |
| File name: | 2ca75633e72f1577f91c95af18a7426f.exe |
| Download: | download sample |
| Signature | OskiStealer |
| File size: | 1'352'704 bytes |
| First seen: | 2021-12-13 18:10:41 UTC |
| Last seen: | 2021-12-13 19:40:53 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger) |
| ssdeep | 24576:XrO3HAys6tZ1mZpkbxMgncwaHgiG9RGA8cM0WYxYJ3kMEXOHtEgaFGG:XaHCkbgfuR/xYJ3H4OygaFGG |
| TLSH | T11A55126D77989C10E57F17B8A070C1308339AD05A826C32FA9D96CEF7E73B9099057A7 |
| 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 :
2
# of downloads :
142
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
2ca75633e72f1577f91c95af18a7426f.exe
Verdict:
Malicious activity
Analysis date:
2021-12-13 18:14:41 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Vidar
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
DNS request
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
obfuscated oski 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
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
Multi AV Scanner detection for submitted file
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)
Yara detected AntiVM3
Yara detected Oski Stealer
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-12-13 13:31:22 UTC
File Type:
PE (.Net Exe)
Extracted files:
36
AV detection:
17 of 27 (62.96%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
oski
Score:
10/10
Tags:
family:oski infostealer spyware stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Oski
Malware Config
C2 Extraction:
hp-tv.tk
Unpacked files
SH256 hash:
ae3b4f4a4fcd7aa5a98e6b1e4db50a7634eff49999f1295a20f8a02e35cc7454
MD5 hash:
40d94445fcad8f9dff4e694fcc1cc6d2
SHA1 hash:
f66e23627bad1dbb10bfa593e647411c6e398ba9
Detections:
win_oski_g0
win_oski_auto
SH256 hash:
b4cdc2e80938bfb021796c5a7ed1404a8347de22c405936e4f807188f69a75d1
MD5 hash:
6ee83551de979a928d4a2dff57570534
SHA1 hash:
63264d003f192c17950a1b1f1cf16cbd38a9d9e9
SH256 hash:
7a2bb233dbdcc2d606ec0cdd79b582fa77be4c80c50b9818cbbe9945119ee1c7
MD5 hash:
9ace90a0687ca4bc7ef081994eff69c6
SHA1 hash:
605f7ec14f84bce85c1345265d4f91a43485de2c
SH256 hash:
662cd105cb4bb0060036ea229c5a391a932ba4a9fbb5cb6020ba027026085058
MD5 hash:
2ca75633e72f1577f91c95af18a7426f
SHA1 hash:
a71f3b37f5f669ee853a673bf567adbfff2fdc9a
Verdict:
Malicious
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: | pe_imphash |
|---|
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
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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