MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 71b928fd0b29e21bbfa4755b5347f4dc40653a82ec7ecf4947e325dbec23abaa. 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 2 File information Comments

SHA256 hash: 71b928fd0b29e21bbfa4755b5347f4dc40653a82ec7ecf4947e325dbec23abaa
SHA3-384 hash: 47386fc630bde174a608d4e701b9e64d20f5ec0e4aa1f0db76f2e831de89529d3934b509208363a693c195e5646b5aad
SHA1 hash: 1710cf3539eaaf618a613e690157adf30550fade
MD5 hash: 48ac334e786156ef605b82dd563373f4
humanhash: single-arkansas-michigan-mountain
File name:48ac334e786156ef605b82dd563373f4.dll
Download: download sample
Signature Gozi
File size:360'448 bytes
First seen:2021-02-15 20:16:29 UTC
Last seen:2021-02-15 21:49:59 UTC
File type:DLL dll
MIME type:application/x-dosexec
imphash e0e710d4ed87ec11636d345dba071187 (5 x Gozi)
ssdeep 6144:+87Sm49lFRQSAe5klIQm3n/ym1grjpY7nf9fv3lYdkv+hgG2KnG4r/gU:Wm+3QSAdm3n/yogZgJv3Gqv0gG2uG4jv
Threatray 32 similar samples on MalwareBazaar
TLSH 7A74CF01B296C871F0C91139D011D67A96763C057BBA94D3BFE61E4FAA2B1D26F3A343
Reporter abuse_ch
Tags:dll Gozi isfb Ursnif

Intelligence


File Origin
# of uploads :
2
# of downloads :
291
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Clean
Maliciousness:

Behaviour
Sending a UDP request
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.spyw.evad
Score:
100 / 100
Signature
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
Disables SPDY (HTTP compression, likely to perform web injects)
Found malware configuration
Hooks registry keys query functions (used to hide registry keys)
Injects code into the Windows Explorer (explorer.exe)
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
Tries to steal Mail credentials (via file access)
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: 353243 Sample: NJPcHPuRcG.dll Startdate: 15/02/2021 Architecture: WINDOWS Score: 100 61 resolver1.opendns.com 2->61 89 Found malware configuration 2->89 91 Malicious sample detected (through community Yara rule) 2->91 93 Multi AV Scanner detection for submitted file 2->93 95 8 other signatures 2->95 10 mshta.exe 2->10         started        13 loaddll32.exe 1 2->13         started        signatures3 process4 signatures5 105 Suspicious powershell command line found 10->105 15 powershell.exe 10->15         started        19 regsvr32.exe 2 13->19         started        21 cmd.exe 1 13->21         started        process6 file7 57 C:\Users\user\AppData\Local\...\yacmzdf3.0.cs, UTF-8 15->57 dropped 59 C:\Users\user\AppData\...\mu1rnx1a.cmdline, UTF-8 15->59 dropped 75 Injects code into the Windows Explorer (explorer.exe) 15->75 77 Writes to foreign memory regions 15->77 79 Modifies the context of a thread in another process (thread injection) 15->79 87 3 other signatures 15->87 23 explorer.exe 15->23 injected 27 csc.exe 15->27         started        30 csc.exe 15->30         started        32 conhost.exe 15->32         started        81 Detected Gozi e-Banking trojan 19->81 83 Writes or reads registry keys via WMI 19->83 85 Writes registry values via WMI 19->85 34 control.exe 19->34         started        36 iexplore.exe 1 84 21->36         started        signatures8 process9 dnsIp10 63 c56.lepini.at 23->63 65 api3.lepini.at 23->65 97 Tries to steal Mail credentials (via file access) 23->97 99 Changes memory attributes in foreign processes to executable or writable 23->99 101 Modifies the context of a thread in another process (thread injection) 23->101 103 3 other signatures 23->103 53 C:\Users\user\AppData\Local\...\mu1rnx1a.dll, PE32 27->53 dropped 38 cvtres.exe 27->38         started        55 C:\Users\user\AppData\Local\...\yacmzdf3.dll, PE32 30->55 dropped 40 rundll32.exe 34->40         started        42 iexplore.exe 158 36->42         started        45 iexplore.exe 29 36->45         started        47 iexplore.exe 29 36->47         started        49 iexplore.exe 29 36->49         started        file11 signatures12 process13 dnsIp14 67 img.img-taboola.com 42->67 69 tls13.taboola.map.fastly.net 151.101.1.44, 443, 49746, 49747 FASTLYUS United States 42->69 73 8 other IPs or domains 42->73 71 api10.laptok.at 34.65.144.159, 49755, 49756, 49760 GOOGLE-AS-APGoogleAsiaPacificPteLtdSG United States 45->71 51 cvtres.exe 45->51         started        process15
Threat name:
Win32.Worm.Cridex
Status:
Malicious
First seen:
2021-02-15 20:17:06 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:
ef18a55b9962e0408ca00d7ed3d22871a08e91e22f4807ff28f4047c7878136d
MD5 hash:
36dd076b0da41cd373381fd02d6e3869
SHA1 hash:
9e76ee7fe7397aa2bdff117f8f6bd0e135d1442f
Detections:
win_isfb_auto
SH256 hash:
71b928fd0b29e21bbfa4755b5347f4dc40653a82ec7ecf4947e325dbec23abaa
MD5 hash:
48ac334e786156ef605b82dd563373f4
SHA1 hash:
1710cf3539eaaf618a613e690157adf30550fade
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.

Web download

Gozi

DLL dll 71b928fd0b29e21bbfa4755b5347f4dc40653a82ec7ecf4947e325dbec23abaa

(this sample)

  
Delivery method
Distributed via web download

Comments