MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 26dc3b58f57bf1d28e20374fcc13c33f3bc75bd753cf19afb617101f403f7b81. 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: 18


Intelligence 18 IOCs YARA 9 File information Comments

SHA256 hash: 26dc3b58f57bf1d28e20374fcc13c33f3bc75bd753cf19afb617101f403f7b81
SHA3-384 hash: 1dba68c290cb8fc62d92d6f8cfc0cf41aa48211eb85d5813825742e6f25ac8ebc373341847e0fc1e864a43dec5a4446a
SHA1 hash: 85e3f40d8e5e5b93ef0e45e3cb5eec9dd19685be
MD5 hash: bbf59fbbb9de660e113d82597c289cff
humanhash: don-william-harry-comet
File name:Client.exe
Download: download sample
Signature Gozi
File size:294'400 bytes
First seen:2023-09-28 09:26:18 UTC
Last seen:2023-09-28 11:24:36 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash a9a6ca0d5678435573cc215b09b9feb8 (1 x Gozi)
ssdeep 3072:j6ya4jStntwsx48m71HMmJn0iZw6vK1ZRQxAgaX6wwrz+UTaBgfUd0:Q4gtTm7+mJnNZfK1ZRHRoJ
Threatray 168 similar samples on MalwareBazaar
TLSH T1B054AECDB9C999A1E427443B8869DCB06738FD10CBA08AF7A3C4F65E5A774504373BA1
TrID 40.3% (.EXE) Win64 Executable (generic) (10523/12/4)
19.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
17.2% (.EXE) Win32 Executable (generic) (4505/5/1)
7.7% (.EXE) OS/2 Executable (generic) (2029/13)
7.6% (.EXE) Generic Win/DOS Executable (2002/3)
File icon (PE):PE icon
dhash icon 0290968696869a9a (1 x Gozi)
Reporter JAMESWT_WT
Tags:agenziaentrate exe Gozi isfb Ursnif

Intelligence


File Origin
# of uploads :
2
# of downloads :
324
Origin country :
IT IT
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
Client.exe
Verdict:
Malicious activity
Analysis date:
2023-09-28 09:29:44 UTC
Tags:
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
Searching for the window
DNS request
Using the Windows Management Instrumentation requests
Sending an HTTP GET request
Сreating synchronization primitives
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Creating a window
Creating a file in the %temp% directory
Searching for synchronization primitives
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Running batch commands
Setting browser functions hooks
Possible injection to a system process
Stealing user critical data
Unauthorized injection to a system process
Unauthorized injection to a browser process
Gathering data
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware packed
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:
bank.troj.spyw.expl.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
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)
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
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
System process connects to network (likely due to code injection or exploit)
Tries to steal Mail credentials (via file / registry access)
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 signatures2 2 Behavior Graph ID: 1315732 Sample: Client.exe Startdate: 28/09/2023 Architecture: WINDOWS Score: 100 74 Snort IDS alert for network traffic 2->74 76 Multi AV Scanner detection for domain / URL 2->76 78 Found malware configuration 2->78 80 10 other signatures 2->80 9 mshta.exe 19 2->9         started        12 Client.exe 6 2->12         started        process3 dnsIp4 90 Suspicious powershell command line found 9->90 15 powershell.exe 1 29 9->15         started        64 netsecurez.com 104.21.9.185, 49793, 49835, 80 CLOUDFLARENETUS United States 12->64 92 Writes or reads registry keys via WMI 12->92 94 Writes registry values via WMI 12->94 signatures5 process6 file7 54 C:\Users\user\AppData\...\skeqsoca.cmdline, Unicode 15->54 dropped 66 Injects code into the Windows Explorer (explorer.exe) 15->66 68 Writes to foreign memory regions 15->68 70 Modifies the context of a thread in another process (thread injection) 15->70 72 2 other signatures 15->72 19 explorer.exe 5 18 15->19 injected 23 csc.exe 3 15->23         started        26 csc.exe 3 15->26         started        28 conhost.exe 15->28         started        signatures8 process9 dnsIp10 56 94.140.112.19, 80 TELEMACHBroadbandAccessCarrierServicesSI Latvia 19->56 58 31.41.44.79, 80 ASRELINKRU Russian Federation 19->58 60 netsecurez.com 19->60 82 System process connects to network (likely due to code injection or exploit) 19->82 84 Tries to steal Mail credentials (via file / registry access) 19->84 86 Changes memory attributes in foreign processes to executable or writable 19->86 88 7 other signatures 19->88 30 cmd.exe 1 19->30         started        33 cmd.exe 19->33         started        35 RuntimeBroker.exe 19->35 injected 42 6 other processes 19->42 50 C:\Users\user\AppData\Local\...\f2nf5gqn.dll, PE32 23->50 dropped 38 cvtres.exe 1 23->38         started        52 C:\Users\user\AppData\Local\...\skeqsoca.dll, PE32 26->52 dropped 40 cvtres.exe 1 26->40         started        file11 signatures12 process13 dnsIp14 96 Uses ping.exe to sleep 30->96 98 Uses ping.exe to check the status of other devices and networks 30->98 100 Writes to foreign memory regions 30->100 102 2 other signatures 30->102 44 conhost.exe 30->44         started        46 PING.EXE 30->46         started        48 conhost.exe 33->48         started        62 192.168.2.1 unknown unknown 35->62 signatures15 process16
Threat name:
Win32.Spyware.TrickBot
Status:
Malicious
First seen:
2023-09-28 09:25:36 UTC
File Type:
PE (Exe)
Extracted files:
15
AV detection:
18 of 21 (85.71%)
Threat level:
  2/5
Result
Malware family:
Score:
  10/10
Tags:
family:gozi botnet:5050 banker dave isfb trojan
Behaviour
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 WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Dave packer
Gozi
Malware Config
C2 Extraction:
netsecurez.com
whofoxy.com
mimemoa.com
ntcgo.com
31.41.44.79
185.248.144.203
Unpacked files
SH256 hash:
a121c2d98a7c8a815d48ae9201956f6489ff41b76af7a25c30e7cfaefa799c88
MD5 hash:
f21a13c84c2b17685ff9159eaf9d8e08
SHA1 hash:
c750d2efc96d0f41ffc776b8b257d7ff81a71a57
SH256 hash:
4bd1f52eb03c84f3f4dce6cb60cee79c61ac4858988a9b0b22fbb5a16801110c
MD5 hash:
b56288e9cceb2933a9e8cf8e96156511
SHA1 hash:
7534a20eac85bbef03fa66038cdb50f4d1ad18ea
SH256 hash:
26dc3b58f57bf1d28e20374fcc13c33f3bc75bd753cf19afb617101f403f7b81
MD5 hash:
bbf59fbbb9de660e113d82597c289cff
SHA1 hash:
85e3f40d8e5e5b93ef0e45e3cb5eec9dd19685be
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:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_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:meth_get_eip
Author:Willi Ballenthin
Rule name:meth_peb_parsing
Author:Willi Ballenthin
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.

Comments