MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 81a5fe2a6a478c776f6f78e948d91429be859e60ea114fa31264c4219c02d1b0. 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


Intelligence File information Yara 1 Comments

SHA256 hash: 81a5fe2a6a478c776f6f78e948d91429be859e60ea114fa31264c4219c02d1b0
SHA3-384 hash: 76fdc2d1b72fd2ee0e8f2efd09b8f86e3117b907e7c76d34f76e47acbbf6ec0b10369dd5116ac99778548f6c30b50cae
SHA1 hash: b8ca50019e8da73ccca0e024322caac3753da10b
MD5 hash: 4839e52f22b1758748edeeb2f17cd32d
humanhash: chicken-eleven-spring-juliet
File name:305bfstrategiv.exe
Download: download sample
Signature Gozi
File size:256'619 bytes
First seen:2020-07-31 08:13:46 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash d97b710a90a979a9ba1fac5e1ea6c332
ssdeep 3072:IFNthWQl/rSJ7lvt9filcZritkrINAEYsm2:IBhWQ/mJLflrOAp2
TLSH 4744B84474E74F03EC9B4CF604C2A5B442ABEC825B2EE843B7D2B57599B33F14A9D219
Reporter @JAMESWT_MHT
Tags:Gozi

Intelligence


File Origin
# of uploads :
1
# of downloads :
32
Origin country :
IT IT
Mail intelligence
No data
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Using the Windows Management Instrumentation requests
Creating a file in the %temp% directory
Result
Threat name:
Ursnif
Detection:
malicious
Classification:
bank.troj.evad
Score:
80 / 100
Signature
Creates a COM Internet Explorer object
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Machine Learning detection for sample
Writes or reads registry keys via WMI
Writes registry values via WMI
Yara detected Ursnif
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 255161 Sample: 305bfstrategiv.exe Startdate: 31/07/2020 Architecture: WINDOWS Score: 80 38 g.msn.com 2->38 40 asf-ris-prod-neurope.northeurope.cloudapp.azure.com 2->40 42 appealingedge.xyz 2->42 46 Yara detected  Ursnif 2->46 48 Machine Learning detection for sample 2->48 7 305bfstrategiv.exe 1 2->7         started        11 iexplore.exe 11 84 2->11         started        13 iexplore.exe 1 50 2->13         started        15 4 other processes 2->15 signatures3 process4 dnsIp5 44 appealingedge.xyz 7->44 50 Detected unpacking (changes PE section rights) 7->50 52 Detected unpacking (overwrites its own PE header) 7->52 54 Writes or reads registry keys via WMI 7->54 56 2 other signatures 7->56 17 iexplore.exe 30 11->17         started        20 iexplore.exe 29 13->20         started        22 iexplore.exe 29 15->22         started        24 iexplore.exe 29 15->24         started        26 iexplore.exe 15->26         started        signatures6 process7 dnsIp8 28 appealingedge.xyz 17->28 30 appealingedge.xyz 20->30 32 appealingedge.xyz 22->32 34 appealingedge.xyz 24->34 36 appealingedge.xyz 26->36
Threat name:
Win32.Infostealer.Gozi
Status:
Malicious
First seen:
2020-07-31 08:15:07 UTC
AV detection:
30 of 31 (96.77%)
Threat level
  5/5
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Behaviour
Suspicious use of SetWindowsHookEx
Suspicious use of FindShellTrayWindow
Checks whether UAC is enabled
Modifies Internet Explorer settings
Suspicious use of WriteProcessMemory
Suspicious use of FindShellTrayWindow
Checks whether UAC is enabled
Modifies Internet Explorer settings
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Threat name:
Snifula
Score:
1.00

Yara Signatures


Rule name:win_isfb_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Comments