MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1aa20713c9af2eeec3756392dca573d39bf5fa8d18a14087d67cd39f07509eea. 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: 17


Intelligence 17 IOCs YARA 9 File information Comments

SHA256 hash: 1aa20713c9af2eeec3756392dca573d39bf5fa8d18a14087d67cd39f07509eea
SHA3-384 hash: dceaee82309443967858fedec9f688d5f00a59f55ab26eec2dcfc0d869e034526623f5d66bc4ecf1609fbe31884c49c8
SHA1 hash: fb90dc44ba4b8f6b356735bd46231e6f99e15b62
MD5 hash: 33ddb8880db29cac11e05bfc30bcec6b
humanhash: artist-north-island-sierra
File name:putty.exe
Download: download sample
Signature Gozi
File size:299'520 bytes
First seen:2023-10-07 00:45:33 UTC
Last seen:2023-10-07 00:51:22 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 2d31cbdd8d752ef8c57cb740fa025cc6 (2 x Gozi)
ssdeep 3072:/yktbYYNGzHPg2I1eWy9O9El/pjBXDzrFEd1Uot:K4YIGz4ToTHl9BXz6Uo
Threatray 19 similar samples on MalwareBazaar
TLSH T19E54AF23A3E17C71E5624A399E2EC2E4772EB8214E59B75A23585F3F0CB01E2D673351
TrID 52.5% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
17.7% (.EXE) Win64 Executable (generic) (10523/12/4)
8.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.5% (.EXE) Win32 Executable (generic) (4505/5/1)
3.4% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 70d0ddd0dad5d2dd (1 x Gozi)
Reporter JAMESWT_WT
Tags:agenziaentrate communicalink-com exe Gozi isfb Ursnif

Intelligence


File Origin
# of uploads :
2
# of downloads :
345
Origin country :
IT IT
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
http://medktech.com/estrai/Agenzia.zip
Verdict:
Malicious activity
Analysis date:
2023-10-06 10:59:54 UTC
Tags:
loader gozi ursnif dreambot banker stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a custom TCP request
Using the Windows Management Instrumentation requests
DNS request
Sending an HTTP GET request
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Creating a window
Running batch commands
Gathering data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
gozi greyware xpack
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.
Result
Threat name:
Ursnif, Strela Stealer
Detection:
malicious
Classification:
phis.bank.troj.spyw.expl.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Changes memory attributes in foreign processes to executable or writable
Creates a thread in another existing process (thread injection)
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
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)
Machine Learning detection for sample
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
Overwrites Mozilla Firefox settings
Self deletion via cmd or bat file
Sigma detected: Dot net compiler compiles file from suspicious location
Snort IDS alert for network traffic
Suspicious powershell command line found
Tries to harvest and steal browser information (history, passwords, etc)
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Writes or reads registry keys via WMI
Writes registry values via WMI
Writes to foreign memory regions
Yara detected Ursnif
Yara detected Strela Stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1321302 Sample: putty.exe Startdate: 07/10/2023 Architecture: WINDOWS Score: 100 57 mifrutty.com 2->57 77 Snort IDS alert for network traffic 2->77 79 Multi AV Scanner detection for domain / URL 2->79 81 Found malware configuration 2->81 83 12 other signatures 2->83 10 mshta.exe 1 2->10         started        13 putty.exe 6 2->13         started        signatures3 process4 dnsIp5 93 Suspicious powershell command line found 10->93 16 powershell.exe 1 29 10->16         started        59 mifrutty.com 104.21.59.169, 49736, 80 CLOUDFLARENETUS United States 13->59 95 Detected unpacking (changes PE section rights) 13->95 97 Detected unpacking (overwrites its own PE header) 13->97 99 Writes or reads registry keys via WMI 13->99 101 Writes registry values via WMI 13->101 20 WerFault.exe 13->20         started        signatures6 process7 file8 49 C:\Users\user\AppData\...\n2vj5jli.cmdline, Unicode 16->49 dropped 69 Injects code into the Windows Explorer (explorer.exe) 16->69 71 Writes to foreign memory regions 16->71 73 Modifies the context of a thread in another process (thread injection) 16->73 75 2 other signatures 16->75 22 explorer.exe 5 4 16->22 injected 26 csc.exe 3 16->26         started        28 csc.exe 3 16->28         started        30 2 other processes 16->30 signatures9 process10 file11 51 C:\Users\user\AppData\Roaming\...\prefs.js, ASCII 22->51 dropped 85 Changes memory attributes in foreign processes to executable or writable 22->85 87 Self deletion via cmd or bat file 22->87 89 Overwrites Mozilla Firefox settings 22->89 91 7 other signatures 22->91 32 cmd.exe 1 22->32         started        35 RuntimeBroker.exe 22->35 injected 37 RuntimeBroker.exe 22->37 injected 43 5 other processes 22->43 53 C:\Users\user\AppData\Local\...\p3qj5od5.dll, PE32 26->53 dropped 39 cvtres.exe 1 26->39         started        55 C:\Users\user\AppData\Local\...\n2vj5jli.dll, PE32 28->55 dropped 41 cvtres.exe 1 28->41         started        signatures12 process13 signatures14 61 Uses ping.exe to sleep 32->61 63 Uses ping.exe to check the status of other devices and networks 32->63 65 Writes to foreign memory regions 32->65 67 2 other signatures 32->67 45 conhost.exe 32->45         started        47 PING.EXE 1 32->47         started        process15
Threat name:
Win32.Trojan.SmokeLoader
Status:
Malicious
First seen:
2023-10-06 11:19:04 UTC
File Type:
PE (Exe)
Extracted files:
22
AV detection:
26 of 38 (68.42%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:gozi botnet:5050 banker isfb trojan
Behaviour
Modifies registry class
Runs ping.exe
Suspicious behavior: CmdExeWriteProcessMemorySpam
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Gozi
Malware Config
C2 Extraction:
mifrutty.com
http://igrovdow.com
Unpacked files
SH256 hash:
7c9b5df6863160d84924d745927af7a03da587658f348ecff7f32fbd401264b0
MD5 hash:
c8776e7072f0fcd3230874523d3afbb1
SHA1 hash:
bdfca4705c94b4a2490a7b0efcb9ff47b164bfcd
SH256 hash:
1aa20713c9af2eeec3756392dca573d39bf5fa8d18a14087d67cd39f07509eea
MD5 hash:
33ddb8880db29cac11e05bfc30bcec6b
SHA1 hash:
fb90dc44ba4b8f6b356735bd46231e6f99e15b62
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:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__ConsoleCtrl
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_indirect_function_call_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:pe_no_import_table
Author:qux
Description:Detects exe does not have import table
Rule name:Windows_Trojan_Smokeloader_3687686f
Author:Elastic Security
Rule name:win_isfb_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.isfb.

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Gozi

Executable exe 1aa20713c9af2eeec3756392dca573d39bf5fa8d18a14087d67cd39f07509eea

(this sample)

  
Delivery method
Distributed via web download

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