MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2b8c7b7112e8070d01b2f977c360772e05704fff1838bf124780b9c8b699f337. 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: 2b8c7b7112e8070d01b2f977c360772e05704fff1838bf124780b9c8b699f337
SHA3-384 hash: bfb031235ff19c64231c4cef8899a2ab94be3d7abc0550a7905d60cb9dd96c34f49542b09f8b13d2dffb156f6a1ad6e7
SHA1 hash: a7b95e6aa8cb4d2fb83da38a78bb6964ffe4bd8f
MD5 hash: 1f760b56c552060d55aa4a2902133e1f
humanhash: high-sink-fix-high
File name:crypt_3300.dll
Download: download sample
Signature Gozi
File size:167'424 bytes
First seen:2021-01-22 18:03:35 UTC
Last seen:2021-10-07 13:54:13 UTC
File type:DLL dll
MIME type:application/x-dosexec
imphash 03950ae48622d89c2d077838afd282e9 (2 x Gozi)
ssdeep 3072:LPt9UofdP4nIFJABRIGM2k0xe2Iy95auD3H8t2YmzQPJb:DtLdP4QaBaGM2k0xe2T55bQ2Pi
Threatray 271 similar samples on MalwareBazaar
TLSH 49F38D127584E135D72E16344CA7DAB80667BC0057BAEC4B33EF1E9F47A3292F622785
Reporter James_inthe_box
Tags:dll Gozi

Intelligence


File Origin
# of uploads :
3
# of downloads :
239
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:
Gozi Ursnif
Detection:
malicious
Classification:
bank.troj.spyw.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
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 domain / URL
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
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: 343315 Sample: crypt_3300.dll Startdate: 22/01/2021 Architecture: WINDOWS Score: 100 58 resolver1.opendns.com 2->58 72 Multi AV Scanner detection for domain / URL 2->72 74 Found malware configuration 2->74 76 Malicious sample detected (through community Yara rule) 2->76 78 10 other signatures 2->78 9 mshta.exe 2->9         started        12 loaddll32.exe 1 2->12         started        signatures3 process4 signatures5 92 Suspicious powershell command line found 9->92 14 powershell.exe 9->14         started        18 regsvr32.exe 12->18         started        20 cmd.exe 1 12->20         started        process6 file7 54 C:\Users\user\AppData\Local\...\rgcvdt5c.0.cs, UTF-8 14->54 dropped 56 C:\Users\user\AppData\...\czjkgrnh.cmdline, UTF-8 14->56 dropped 94 Injects code into the Windows Explorer (explorer.exe) 14->94 96 Writes to foreign memory regions 14->96 98 Modifies the context of a thread in another process (thread injection) 14->98 106 2 other signatures 14->106 22 explorer.exe 14->22 injected 26 csc.exe 14->26         started        29 csc.exe 14->29         started        31 conhost.exe 14->31         started        100 Detected Gozi e-Banking trojan 18->100 102 Allocates memory in foreign processes 18->102 104 Maps a DLL or memory area into another process 18->104 108 2 other signatures 18->108 33 control.exe 18->33         started        35 iexplore.exe 1 86 20->35         started        signatures8 process9 dnsIp10 60 c56.lepini.at 22->60 62 api3.lepini.at 22->62 80 Tries to steal Mail credentials (via file access) 22->80 82 Changes memory attributes in foreign processes to executable or writable 22->82 84 Modifies the context of a thread in another process (thread injection) 22->84 86 Disables SPDY (HTTP compression, likely to perform web injects) 22->86 50 C:\Users\user\AppData\Local\...\czjkgrnh.dll, PE32 26->50 dropped 37 cvtres.exe 26->37         started        52 C:\Users\user\AppData\Local\...\rgcvdt5c.dll, PE32 29->52 dropped 39 cvtres.exe 29->39         started        88 Maps a DLL or memory area into another process 33->88 90 Creates a thread in another existing process (thread injection) 33->90 41 iexplore.exe 145 35->41         started        44 iexplore.exe 29 35->44         started        46 iexplore.exe 29 35->46         started        48 iexplore.exe 35->48         started        file11 signatures12 process13 dnsIp14 64 img.img-taboola.com 41->64 66 tls13.taboola.map.fastly.net 151.101.1.44, 443, 49735, 49736 FASTLYUS United States 41->66 70 7 other IPs or domains 41->70 68 api10.laptok.at 45.138.24.6, 49753, 49754, 49755 SPECTRAIPSpectraIPBVNL Turkey 44->68
Threat name:
Win32.Worm.Cridex
Status:
Malicious
First seen:
2021-01-22 18:03:28 UTC
File Type:
PE (Dll)
Extracted files:
1
AV detection:
9 of 28 (32.14%)
Threat level:
  5/5
Result
Malware family:
gozi_ifsb
Score:
  10/10
Tags:
family:gozi_ifsb banker trojan
Behaviour
Suspicious use of WriteProcessMemory
Gozi, Gozi IFSB
Unpacked files
SH256 hash:
b7a7c7fad1e86305e14008a8ffd4922b3d37b7efaa2bf6acad5b27bd5bf8d924
MD5 hash:
e5128c909beb1626de0029d2b36179a7
SHA1 hash:
ffd80a411525706b2ab55c73cd06d7c0db44a0bb
Detections:
win_isfb_auto
SH256 hash:
2b8c7b7112e8070d01b2f977c360772e05704fff1838bf124780b9c8b699f337
MD5 hash:
1f760b56c552060d55aa4a2902133e1f
SHA1 hash:
a7b95e6aa8cb4d2fb83da38a78bb6964ffe4bd8f
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.

  
Delivery method
Other

Comments