MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4b631043c6ff0a2fd24591b0564f7b3fc59c46319646b27cec4cf24349227d36. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments
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SHA256 hash: 4b631043c6ff0a2fd24591b0564f7b3fc59c46319646b27cec4cf24349227d36
SHA3-384 hash: 1da5be01529fdfcc8162571ca9a600e97264b6ae124a587728158fa49527002dda9a3101cd4b15e6a6f38c8bd1f72205
SHA1 hash: 2fc4f4c523c701dba03cf1f1e6971e61dc1efcb3
MD5 hash: bce6371b0aed287193d8f90f2b1b4441
humanhash: island-venus-december-delaware
File name:2770174.dll
Download: download sample
Signature Gozi
Create hunting rule
File size:48'780 bytes
First seen:2021-07-06 12:25:06 UTC
Last seen:2021-07-06 12:38:22 UTC
File type:DLL dll
MIME type:application/x-dosexec
imphash 6e9163c62b29a1ccabed40ce8621a95a (7 x Gozi)
ssdeep 768:nlGZ5Eevswd4RoFgmPsnwx+yXqv4kC9/VWH64A1xbDOhtMhDbPm+K5StOQM80Epd:lGZ5ewOKywnavdM/V+6OzsrJK9WpMtx
TLSH 3423E0759F001876FECFA8BA417E611F86680F2183448CC7E3B1A2A46B995D57C3DE23
Reporter 0x746f6d6669
Tags:dll Gozi

Intelligence

File Origin
# of uploads :
2
# of downloads :
285
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Ursnif3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/169945/
Detection(s):
SecuriteInfo.com.Variant.Razy.862012.16980.8954.UNOFFICIAL
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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:
Ursnif
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/1173a5ef-a5d3-4c60-9ef9-79db6968940b
Result
Threat name:
Ursnif
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/812243
Signature
Antivirus / Scanner detection for submitted sample
Found malware configuration
Hooks registry keys query functions (used to hide registry keys)
Machine Learning detection for sample
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)
Performs DNS queries to domains with low reputation
Sigma detected: Encoded IEX
Sigma detected: MSHTA Spawning Windows Shell
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Suspicious powershell command line found
Writes or reads registry keys via WMI
Writes registry values via WMI
Yara detected Ursnif
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 444656 Sample: 2770174.dll Startdate: 06/07/2021 Architecture: WINDOWS Score: 100 38 www.mail.com 2->38 40 www.googleoptimize.com 2->40 42 5 other IPs or domains 2->42 52 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->52 54 Found malware configuration 2->54 56 Antivirus / Scanner detection for submitted sample 2->56 58 10 other signatures 2->58 8 loaddll32.exe 1 2->8         started        11 mshta.exe 2->11         started        signatures3 process4 signatures5 60 Writes or reads registry keys via WMI 8->60 62 Writes registry values via WMI 8->62 13 iexplore.exe 1 116 8->13         started        15 regsvr32.exe 8->15         started        18 cmd.exe 1 8->18         started        20 rundll32.exe 8->20         started        64 Suspicious powershell command line found 11->64 22 powershell.exe 11->22         started        process6 signatures7 24 iexplore.exe 13->24         started        27 iexplore.exe 13->27         started        29 iexplore.exe 13->29         started        36 13 other processes 13->36 66 Writes or reads registry keys via WMI 15->66 68 Writes registry values via WMI 15->68 31 rundll32.exe 18->31         started        34 conhost.exe 22->34         started        process8 dnsIp9 44 taybhctdyehfhgthp2.xyz 45.90.58.179, 49803, 49804, 49805 GREENFLOID-ASUA Bulgaria 24->44 70 Writes registry values via WMI 31->70 46 taybhctdyehfhgthp2.xyz 36->46 48 taybhctdyehfhgthp2.xyz 36->48 50 51 other IPs or domains 36->50 signatures10 72 Performs DNS queries to domains with low reputation 48->72
Detection:
isfb
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4b631043c6ff0a2fd24591b0564f7b3fc59c46319646b27cec4cf24349227d36/
Threat name:
Win32.Infostealer.Gozi
Create hunting rule
Status:
Malicious
First seen:
2021-07-06 12:25:21 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jnrraq6g74fc7usfsgyfmt33h7czyrrrszdle7hmjtzegsjcpu3a._file
Result
Malware family:
gozi_ifsb
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Score:
  10/10
Tags:
family:gozi_ifsb botnet:5456
Link:
https://tria.ge/reports/210706-4zwmxdx2bj/
Behaviour
Modifies Internet Explorer settings
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Malware Config
C2 Extraction:
outlook.com
mail.com
taybhctdyehfhgthp2.xyz
thyihjtkylhmhnypp2.xyz
Unpacked files
SH256 hash:
4b631043c6ff0a2fd24591b0564f7b3fc59c46319646b27cec4cf24349227d36
MD5 hash:
bce6371b0aed287193d8f90f2b1b4441
SHA1 hash:
2fc4f4c523c701dba03cf1f1e6971e61dc1efcb3
Detections:
win_isfb_auto
Create hunting rule
Link:
https://www.unpac.me/results/fbc15566-15e0-4c51-80a0-fc8473229290/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/4b631043c6ff0a2fd24591b0564f7b3fc59c46319646b27cec4cf24349227d36

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
Create hunting rule
Author:kevoreilly
Description:Ursnif Payload
Rule name:win_isfb_auto
Create hunting rule
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.

Cape
Cape
https://www.capesandbox.com/analysis/169945/

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