MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 def873123cd2f2a1a2bb661c1ea1986526b86240fb4263e96be6c6a528c02428. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: def873123cd2f2a1a2bb661c1ea1986526b86240fb4263e96be6c6a528c02428
SHA3-384 hash: ad6e01fc64aab663812da64201c8aeaa198b77ee98d8117b74a5ee80689cd97acf9e36449cc3696697b8dbb9e3d6bd47
SHA1 hash: f5732ab57b7bdecc26a1bd75004fa53f4c1d59a6
MD5 hash: 741e6ef2d68033ee0c03472f1aaaf0c8
humanhash: wyoming-carolina-mobile-artist
File name:741e6ef2d68033ee0c03472f1aaaf0c8.dll
Download: download sample
Signature Gozi
Create hunting rule
File size:108'458 bytes
First seen:2021-04-02 18:08:01 UTC
Last seen:2021-04-02 19:09:43 UTC
File type:DLL dll
MIME type:application/x-dosexec
imphash 811de8e945c2087a6e052096546cd842 (15 x Gozi)
ssdeep 1536:DWKaY5Se9WnVI78XvnoxJasJvRHKmyGDvDk0Rt9Y56l5ZMpvV05o9OX5xPw8:DWa0eQnVI7qCqZGDvDk4wol5w0EU
TLSH 1DB3DF00B9DCC4C1D3EA99B049A4DE75350AEDA62834900733F37F6D7EF63A629AB544
Reporter abuse_ch
Tags:dll Gozi isfb Ursnif

Intelligence

File Origin
# of uploads :
2
# of downloads :
326
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Ursnif
Create hunting rule
Link:
https://www.capesandbox.com/analysis/131833/
Detection(s):
SecuriteInfo.com.Mal.EncPk-APW.25131.30286.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Launching a process
Creating a window
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.
Malware family:
Ursnif
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/53ce6245-95fb-4e1a-bdc0-29fd3f2ff396
Result
Threat name:
Ursnif
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/664117
Signature
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)
Multi AV Scanner detection for submitted file
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: 380993 Sample: 8I8HgSFM38.dll Startdate: 03/04/2021 Architecture: WINDOWS Score: 100 37 under17.com 2->37 39 resolver1.opendns.com 2->39 55 Found malware configuration 2->55 57 Multi AV Scanner detection for submitted file 2->57 59 Yara detected  Ursnif 2->59 61 6 other signatures 2->61 8 loaddll32.exe 1 2->8         started        11 iexplore.exe 1 57 2->11         started        13 iexplore.exe 1 53 2->13         started        15 iexplore.exe 2 61 2->15         started        signatures3 process4 signatures5 63 Writes or reads registry keys via WMI 8->63 65 Writes registry values via WMI 8->65 17 rundll32.exe 8->17         started        20 cmd.exe 1 8->20         started        22 iexplore.exe 11->22         started        25 iexplore.exe 11->25         started        27 iexplore.exe 11->27         started        29 iexplore.exe 29 13->29         started        31 iexplore.exe 84 13->31         started        33 iexplore.exe 170 15->33         started        process6 dnsIp7 53 Writes registry values via WMI 17->53 35 rundll32.exe 20->35         started        41 urs-world.com 185.186.244.95, 49752, 49753, 49755 WEBZILLANL Netherlands 22->41 43 under17.com 185.243.114.196, 80 ACCELERATED-ITDE Netherlands 29->43 45 192.168.2.1 unknown unknown 31->45 47 prda.aadg.msidentity.com 33->47 49 login.microsoftonline.com 33->49 51 a.privatelink.msidentity.com 33->51 signatures8 process9
Detection:
isfb
Create hunting rule
Link:
https://mwdb.cert.pl/sample/def873123cd2f2a1a2bb661c1ea1986526b86240fb4263e96be6c6a528c02428/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2021-04-02 18:08:08 UTC
AV detection:
13 of 29 (44.83%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=334hger42lzkdiv3myob5imymutlqysa7nbgh2ll43dkkkgaequa._file
Result
Malware family:
gozi_ifsb
Create hunting rule
Score:
  10/10
Tags:
family:gozi_ifsb botnet:5566 banker trojan
Link:
https://tria.ge/reports/210402-8tvdsvjscs/
Behaviour
Modifies Internet Explorer settings
Runs ping.exe
Suspicious behavior: CmdExeWriteProcessMemorySpam
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Gozi, Gozi IFSB
Malware Config
C2 Extraction:
bing.com
update4.microsoft.com
under17.com
urs-world.com
microsoft.com/shop/
shop.microsoft.com
193.142.58.181
92.223.90.242
95.217.64.66
umbcore.com
bigmama.com
4frank.com
bizmyx.com
Unpacked files
SH256 hash:
d8badab2df94fedfa9b7f978add09ff2076fd653f3ebb5152a0bf98bf619ba69
MD5 hash:
e72737e72f201e73b1d8c20ae7d1316b
SHA1 hash:
1ac30858e11cffa7fb5a0cb0d192971e7ef4002b
Detections:
win_isfb_auto
Create hunting rule
Link:
https://www.unpac.me/results/ce1130b7-ce42-4c20-a3d1-c6368e1eca9c/
Parent samples :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 hash:
def873123cd2f2a1a2bb661c1ea1986526b86240fb4263e96be6c6a528c02428
MD5 hash:
741e6ef2d68033ee0c03472f1aaaf0c8
SHA1 hash:
f5732ab57b7bdecc26a1bd75004fa53f4c1d59a6
Link:
https://www.unpac.me/results/ce1130b7-ce42-4c20-a3d1-c6368e1eca9c/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/def873123cd2f2a1a2bb661c1ea1986526b86240fb4263e96be6c6a528c02428

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
Create hunting rule
Author:James_inthe_box
Description:Email in files like avemaria
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_Messaging_Clients
Create hunting rule
Author:@ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:Ursnif
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Ursnif(a.k.a. Dreambot, Gozi, ISFB) in memory
Reference:internal research
Rule name:Ursnif3
Create hunting rule
Author:kevoreilly
Description:Ursnif Payload
Rule name:win_dreambot_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator
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.

Web download

Gozi

DLL dll def873123cd2f2a1a2bb661c1ea1986526b86240fb4263e96be6c6a528c02428

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1100633/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/131833/

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