MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 8b70eb599bcf04bfc858b79f6e3977a7829fa3cce80367a7eec1597c8e34aad4. 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
Ousaban
Vendor detections: 10
| SHA256 hash: | 8b70eb599bcf04bfc858b79f6e3977a7829fa3cce80367a7eec1597c8e34aad4 |
|---|---|
| SHA3-384 hash: | 0edc639c91ceae5c1bbe97a70662e8d675333e0cbd1e83dd7a44330522c94c5f3774f6379f63e7d01e8c4dc95a3060dc |
| SHA1 hash: | 3ad04b3ffb5e145983b1617e40247b1bd5c97278 |
| MD5 hash: | b26707c129e221c22aafbd951048283f |
| humanhash: | oranges-enemy-happy-solar |
| File name: | avutil.dll |
| Download: | download sample |
| Signature | Ousaban |
| File size: | 1'034'804 bytes |
| First seen: | 2026-04-13 00:48:32 UTC |
| Last seen: | Never |
| File type: |  dll |
| MIME type: | application/x-dosexec |
| imphash | 210b4db7b6c066ddf11bc4b7a4fc6f80 (1 x Ousaban) |
| ssdeep | 12288:JtJB/OkUDWvOEgq2Zc0+z5sJi4TlqJOiZc/R:tB/wqrIZc0+yJXlqqJ |
| TLSH | T1B3256C22B200A63DD59D093DD27E6B715D7EA7A224D1DC48AFF44A4DEF79181223E20F |
| TrID | 63.7% (.EXE) Win32 EXE PECompact compressed (generic) (41569/9/9) 10.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 10.0% (.EXE) Win64 Executable (generic) (6522/11/2) 6.9% (.EXE) Win32 Executable (generic) (4504/4/1) 3.1% (.EXE) OS/2 Executable (generic) (2029/13) |
| Magika | pebin |
| Reporter |  johnk3r |
| Tags: | adobeready-online banker dll ousaban |
Intelligence
File Origin
# of uploads :
1
# of downloads :
157
Origin country :
CHVendor Threat Intelligence
No detections
Detection:
n/a
Detection(s):
Verdict:
Clean
Score:
84.2%
Tags:
n/a
Result
Verdict:
Clean
Maliciousness:
Behaviour
Sending a custom TCP request
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
adaptive-context anti-debug base64 embarcadero_delphi fingerprint overlay packed zusy
Verdict:
Malicious
Labled as:
Zusy.Generic
Verdict:
Malicious
File Type:
dll x32
First seen:
2026-04-12T21:57:00Z UTC
Last seen:
2026-04-14T15:10:00Z UTC
Hits:
~10
Detections:
HEUR:Trojan.Win32.Injector.gen
Verdict:
Suspicious
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
48 / 100
Signature
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Score:
49%
Verdict:
Susipicious
File Type:
PE
Gathering data
Verdict:
Malicious
Threat:
Trojan.Win32.Injector
Threat name:
Win32.Infostealer.Tinba
Status:
Malicious
First seen:
2026-04-13 00:49:33 UTC
File Type:
PE (Dll)
Extracted files:
2
AV detection:
19 of 24 (79.17%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
n/a
Score:
3/10
Tags:
discovery
Behaviour
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Unpacked files
SH256 hash:
8b70eb599bcf04bfc858b79f6e3977a7829fa3cce80367a7eec1597c8e34aad4
MD5 hash:
b26707c129e221c22aafbd951048283f
SHA1 hash:
3ad04b3ffb5e145983b1617e40247b1bd5c97278
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: | BLOWFISH_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for Blowfish constants |
| Rule name: | Borland |
|---|---|
| Author: | malware-lu |
| Rule name: | DebuggerCheck__API |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | RIPEMD160_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for RIPEMD-160 constants |
| Rule name: | SHA1_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for SHA1 constants |
| Rule name: | shellcode |
|---|---|
| Author: | nex |
| Description: | Matched shellcode byte patterns |
| Rule name: | TH_AntiVM_MassHunt_Win_Malware_2026_CYFARE |
|---|---|
| Author: | CYFARE |
| Description: | Detects Windows malware employing anti-VM / anti-sandbox evasion techniques across VMware, VirtualBox, Hyper-V, QEMU, Xen, and generic sandbox environments |
| Reference: | https://cyfare.net/ |
| Rule name: | VECT_Ransomware |
|---|---|
| Author: | Mustafa Bakhit |
| Description: | Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments. |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Comments
Login required
You need to login to in order to write a comment. Login with your abuse.ch account.Key: BAUdGYGlgX3wUY4XrGGt*
Targets:
Banco Inter
Banco MUFG Brasil S.A.
Banco Safra
SafraNet
Banco Rendimento
Banese
BANCO PAULISTA
Banco Senff
modalmais
Banco BV
Banpar
NBC BANK
Tribanco
Banco Alfa
Banco Indusval
Celcoin
BRB Banknet
Banco de Bras
Banco Topazio
Banco Industrial
Banco BS2
Banco Semear
Banco ABC
Banco Bradesco Google
Bradesco Exclusive
Bradesco Prime
GR Caixa
Banestes J
Fatura | Hipercard
Cartao Atacadao
Cartao Renner
Cartao Carrefour
Superdigital
Conta Simples
Pague Veloz
Stone
Asaas
Gerencianet
Cora Banco
Viacredi
Evolua
Sistema Ailos
Credifoz
CrediCoopeval
Sulcred
CrediSIS
Sicoob
BitCoinTrade
Foxbit
Mercado Bitcoin
BitPre
Brasil Bitcoin
Blockchain
Bitfinex
PrimeBit
Binance
Poloniex
MetaMask
Mercado Livre
Perguntas - Mercado Livre
Mercado Env
Mercado Pago