MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a2fa5a4d18033e67a7c0477e69acd03a61808c31e24dd9c120106fec161012ef. 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



Gozi


Vendor detections: 9


Intelligence 9 IOCs YARA 2 File information Comments

SHA256 hash: a2fa5a4d18033e67a7c0477e69acd03a61808c31e24dd9c120106fec161012ef
SHA3-384 hash: 788f893686eeea7f83fd1d4ab49b894fd22c6faa8df7cb673062b0f9606048c698e013f5cf52092ae0f820c9b1f07865
SHA1 hash: 9ae08274286b72b5dab240645af0f513dab2852d
MD5 hash: 640cf281c09e54fab9c5d0153dffc042
humanhash: august-kilo-venus-fix
File name:mal.dll
Download: download sample
Signature Gozi
File size:411'136 bytes
First seen:2021-01-19 11:09:05 UTC
Last seen:Never
File type:DLL dll
MIME type:application/x-dosexec
imphash 90052d8992fd75f28664bcf453a95718 (4 x Gozi)
ssdeep 6144:ZqyytimMmhYrCYW1TmgGYlG42GunEyiKD3t18VVGAO8xhtbOnhMV:ZqyCh9hSC/1TVG42G3y/bkGmxhtCCV
Threatray 92 similar samples on MalwareBazaar
TLSH 2C94BF00B5D29036D67D05302929E6F60A7EBD100B68AEEF63DD5D7F5A743C0A232B67
Reporter JAMESWT_WT
Tags:brt dll Gozi isfb Ursnif

Intelligence


File Origin
# of uploads :
1
# of downloads :
325
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Clean
Maliciousness:

Behaviour
Launching a process
Creating a window
DNS request
Searching for the window
Deleting a recently created file
Sending a UDP request
Using the Windows Management Instrumentation requests
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
Gozi Ursnif
Detection:
malicious
Classification:
bank.troj.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Changes memory attributes in foreign processes to executable or writable
Compiles code for process injection (via .Net compiler)
Creates a thread in another existing process (thread injection)
Detected Gozi e-Banking trojan
Found malware configuration
Hooks registry keys query functions (used to hide registry keys)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Modifies the export address table of user mode modules (user mode EAT hooks)
Modifies the import address table of user mode modules (user mode IAT hooks)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
Sigma detected: Dot net compiler compiles file from suspicious location
Sigma detected: MSHTA Spawning Windows Shell
Sigma detected: Suspicious Csc.exe Source File Folder
Suspicious powershell command line found
Writes or reads registry keys via WMI
Writes registry values via WMI
Writes to foreign memory regions
Yara detected Ursnif
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 341461 Sample: mal.dll Startdate: 19/01/2021 Architecture: WINDOWS Score: 100 55 8.8.8.8.in-addr.arpa 2->55 57 1.0.0.127.in-addr.arpa 2->57 59 2 other IPs or domains 2->59 69 Found malware configuration 2->69 71 Multi AV Scanner detection for submitted file 2->71 73 Yara detected  Ursnif 2->73 75 8 other signatures 2->75 9 loaddll32.exe 1 2->9         started        11 mshta.exe 2->11         started        signatures3 process4 signatures5 14 regsvr32.exe 1 9->14         started        17 cmd.exe 1 9->17         started        85 Suspicious powershell command line found 11->85 19 powershell.exe 11->19         started        process6 file7 87 Detected Gozi e-Banking trojan 14->87 89 Writes to foreign memory regions 14->89 91 Allocates memory in foreign processes 14->91 101 2 other signatures 14->101 22 control.exe 14->22         started        25 iexplore.exe 2 98 17->25         started        47 C:\Users\user\AppData\Local\...\xjciegge.0.cs, UTF-8 19->47 dropped 49 C:\Users\user\AppData\...\kboh4jur.cmdline, UTF-8 19->49 dropped 93 Modifies the context of a thread in another process (thread injection) 19->93 95 Maps a DLL or memory area into another process 19->95 97 Compiles code for process injection (via .Net compiler) 19->97 99 Creates a thread in another existing process (thread injection) 19->99 27 csc.exe 19->27         started        30 csc.exe 19->30         started        32 conhost.exe 19->32         started        signatures8 process9 file10 77 Changes memory attributes in foreign processes to executable or writable 22->77 79 Modifies the context of a thread in another process (thread injection) 22->79 81 Maps a DLL or memory area into another process 22->81 83 Creates a thread in another existing process (thread injection) 22->83 34 iexplore.exe 5 157 25->34         started        37 iexplore.exe 30 25->37         started        39 iexplore.exe 25->39         started        45 2 other processes 25->45 51 C:\Users\user\AppData\Local\...\kboh4jur.dll, PE32 27->51 dropped 41 cvtres.exe 27->41         started        53 C:\Users\user\AppData\Local\...\xjciegge.dll, PE32 30->53 dropped 43 cvtres.exe 30->43         started        signatures11 process12 dnsIp13 61 img.img-taboola.com 34->61 63 edge.gycpi.b.yahoodns.net 87.248.118.23, 443, 49732, 49733 YAHOO-DEBDE United Kingdom 34->63 67 9 other IPs or domains 34->67 65 lopppooole.xyz 185.186.244.49, 49765, 49766, 49767 WEBZILLANL Netherlands 37->65
Threat name:
Win32.Trojan.Ursnif
Status:
Malicious
First seen:
2021-01-19 11:10:07 UTC
File Type:
PE (Dll)
Extracted files:
1
AV detection:
16 of 29 (55.17%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Behaviour
Suspicious use of WriteProcessMemory
Unpacked files
SH256 hash:
4ee42808b8fde0a5f6a75c602f62fdb964ff8f22707197eb7227fec15fdf492f
MD5 hash:
97b7a2edbef2289ace11778fa479eefd
SHA1 hash:
4d79d78e93b84150dae12cce4e1990546908669f
Detections:
win_isfb_auto
SH256 hash:
a2fa5a4d18033e67a7c0477e69acd03a61808c31e24dd9c120106fec161012ef
MD5 hash:
640cf281c09e54fab9c5d0153dffc042
SHA1 hash:
9ae08274286b72b5dab240645af0f513dab2852d
Please note that we are no longer able to provide a coverage score for Virus Total.

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:Ursnif3
Author:kevoreilly
Description:Ursnif Payload
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.

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