MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d33a4d3ac76095145e6061009fc20432b5c2c6ec4a828c7b6956ea5f072f2c34. 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: 10


Intelligence 10 IOCs YARA 7 File information Comments

SHA256 hash: d33a4d3ac76095145e6061009fc20432b5c2c6ec4a828c7b6956ea5f072f2c34
SHA3-384 hash: b1264d6f541b6f35491b64d11c7d5e48fc0fe155882e1d86ec75ed9b0f679173b32a20e895fd7546240bd201ae42b734
SHA1 hash: 2bf3698a4f386c2f30b810964f1045ccc6929bdd
MD5 hash: 282b902a356c196b4a097431a9aa576e
humanhash: red-don-illinois-robert
File name:282b902a356c196b4a097431a9aa576e.dll
Download: download sample
Signature Gozi
File size:360'448 bytes
First seen:2021-02-15 20:15:38 UTC
Last seen:2021-02-15 21:49:38 UTC
File type:DLL dll
MIME type:application/x-dosexec
imphash e0e710d4ed87ec11636d345dba071187 (5 x Gozi)
ssdeep 6144:g87Sm49lFRQSAe5klIQm3n/ym1grjpY7nf9Gv3lYdkv+hgG2snG4Z/gU:Im+3QSAdm3n/yogZgsv3Gqv0gG20G45v
TLSH 0574CF01B296C871F0C91139D011D67A96763C057BBA94D3BFE61D8FAA2B1D26F3A343
Reporter abuse_ch
Tags:dll Gozi isfb Ursnif

Intelligence


File Origin
# of uploads :
2
# of downloads :
289
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Using the Windows Management Instrumentation requests
Launching a process
Creating a window
DNS request
Searching for the window
Sending an HTTP GET request to an infection source
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:
Detection:
malicious
Classification:
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)
Found malware configuration
Hooks registry keys query functions (used to hide registry keys)
Malicious sample detected (through community Yara rule)
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
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: 353246 Sample: Ne6A4k8vK6.dll Startdate: 15/02/2021 Architecture: WINDOWS Score: 100 54 resolver1.opendns.com 2->54 56 c56.lepini.at 2->56 58 api3.lepini.at 2->58 70 Found malware configuration 2->70 72 Malicious sample detected (through community Yara rule) 2->72 74 Multi AV Scanner detection for submitted file 2->74 76 8 other signatures 2->76 9 loaddll32.exe 1 2->9         started        11 mshta.exe 2->11         started        signatures3 process4 dnsIp5 15 regsvr32.exe 2 9->15         started        18 cmd.exe 1 9->18         started        68 192.168.2.1 unknown unknown 11->68 86 Suspicious powershell command line found 11->86 20 powershell.exe 11->20         started        signatures6 process7 file8 88 Writes to foreign memory regions 15->88 90 Allocates memory in foreign processes 15->90 92 Modifies the context of a thread in another process (thread injection) 15->92 100 2 other signatures 15->100 23 control.exe 15->23         started        26 iexplore.exe 2 95 18->26         started        46 C:\Users\user\AppData\...\blohq23h.cmdline, UTF-8 20->46 dropped 48 C:\Users\user\AppData\Local\...\3upkr1gh.0.cs, UTF-8 20->48 dropped 94 Maps a DLL or memory area into another process 20->94 96 Compiles code for process injection (via .Net compiler) 20->96 98 Creates a thread in another existing process (thread injection) 20->98 28 csc.exe 20->28         started        31 csc.exe 20->31         started        33 conhost.exe 20->33         started        signatures9 process10 file11 78 Changes memory attributes in foreign processes to executable or writable 23->78 80 Modifies the context of a thread in another process (thread injection) 23->80 82 Maps a DLL or memory area into another process 23->82 84 Creates a thread in another existing process (thread injection) 23->84 35 iexplore.exe 5 156 26->35         started        38 iexplore.exe 29 26->38         started        40 iexplore.exe 29 26->40         started        42 iexplore.exe 29 26->42         started        50 C:\Users\user\AppData\Local\...\blohq23h.dll, PE32 28->50 dropped 44 cvtres.exe 28->44         started        52 C:\Users\user\AppData\Local\...\3upkr1gh.dll, PE32 31->52 dropped signatures12 process13 dnsIp14 60 img.img-taboola.com 35->60 62 tls13.taboola.map.fastly.net 151.101.1.44, 443, 49742, 49743 FASTLYUS United States 35->62 66 8 other IPs or domains 35->66 64 api10.laptok.at 34.65.144.159, 49757, 49758, 49759 GOOGLE-AS-APGoogleAsiaPacificPteLtdSG United States 38->64
Threat name:
Win32.Worm.Cridex
Status:
Malicious
First seen:
2021-02-15 18:56:02 UTC
AV detection:
9 of 29 (31.03%)
Threat level:
  5/5
Result
Malware family:
gozi_ifsb
Score:
  10/10
Tags:
family:gozi_ifsb botnet:1100 banker trojan
Behaviour
Modifies Internet Explorer settings
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Gozi, Gozi IFSB
Malware Config
C2 Extraction:
api10.laptok.at/api1
golang.feel500.at/api1
go.in100k.at/api1
Unpacked files
SH256 hash:
d33a4d3ac76095145e6061009fc20432b5c2c6ec4a828c7b6956ea5f072f2c34
MD5 hash:
282b902a356c196b4a097431a9aa576e
SHA1 hash:
2bf3698a4f386c2f30b810964f1045ccc6929bdd
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:Email_stealer_bin_mem
Author:James_inthe_box
Description:Email in files like avemaria
Rule name:GoziRule
Author:CCN-CERT
Description:Win32.Gozi
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_Messaging_Clients
Author:@ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:Ursnif
Author:JPCERT/CC Incident Response Group
Description:detect Ursnif(a.k.a. Dreambot, Gozi, ISFB) in memory
Reference:internal research
Rule name:Ursnif3
Author:kevoreilly
Description:Ursnif Payload
Rule name:win_dreambot_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator
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.

Web download

Gozi

DLL dll d33a4d3ac76095145e6061009fc20432b5c2c6ec4a828c7b6956ea5f072f2c34

(this sample)

  
Delivery method
Distributed via web download

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