MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b56043cc20c91f39773e23f2e34612cf4453df9c650b8014b756dffa850b009e. 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: 13


Intelligence 13 IOCs YARA 3 File information Comments

SHA256 hash: b56043cc20c91f39773e23f2e34612cf4453df9c650b8014b756dffa850b009e
SHA3-384 hash: 42242e3c9d412bb4c94a1064a00d73de31a53544409d629c834615966f7aacb87fbe4e46c1259726e44bf16648d58bb0
SHA1 hash: 74a835d1ed646e3e0ece25ddfaf334702a02dbc9
MD5 hash: 9b5a150a3f45be809437ca2ed8a96364
humanhash: muppet-timing-pennsylvania-steak
File name:entrat.exe
Download: download sample
Signature Gozi
File size:232'960 bytes
First seen:2022-12-21 10:39:45 UTC
Last seen:2022-12-21 10:46:21 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 01fe77ead213bccf750c05851a809fd9 (2 x ArkeiStealer, 1 x RecordBreaker, 1 x Tofsee)
ssdeep 6144:GoLvc7bG+0ujknP+RKZJBCkIXEW85COBsleRu4:Gor0S3uAnPqKDoxOBT8
Threatray 1'174 similar samples on MalwareBazaar
TLSH T1C434BE20F794D06DC15319336D2AC7F56A2EBD83A9256B8F3A44FF1F6D7018499A230B
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 9a9acefecee6eeee (23 x Smoke Loader, 16 x Amadey, 12 x Tofsee)
Reporter JAMESWT_WT
Tags:62-173-147-151 agenziaentrate exe Gozi isfb Ursnif

Intelligence


File Origin
# of uploads :
2
# of downloads :
237
Origin country :
IT IT
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
entrat.exe
Verdict:
Malicious activity
Analysis date:
2022-12-21 10:40:29 UTC
Tags:
trojan gozi ursnif dreambot stealer

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

Behaviour
Using the Windows Management Instrumentation requests
Sending an HTTP GET request
Launching a process
Creating a process with a hidden window
Creating a window
Gathering data
Result
Threat name:
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Antivirus detection for URL or domain
Creates a thread in another existing process (thread injection)
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
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)
Self deletion via cmd or bat file
Sigma detected: Dot net compiler compiles file from suspicious location
Snort IDS alert for network traffic
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
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 771342 Sample: entrat.exe Startdate: 21/12/2022 Architecture: WINDOWS Score: 100 49 8.8.8.8.in-addr.arpa 2->49 51 1.0.0.127.in-addr.arpa 2->51 69 Snort IDS alert for network traffic 2->69 71 Malicious sample detected (through community Yara rule) 2->71 73 Antivirus detection for URL or domain 2->73 75 3 other signatures 2->75 10 entrat.exe 6 2->10         started        14 mshta.exe 19 2->14         started        signatures3 process4 dnsIp5 53 62.173.147.143, 49696, 80 SPACENET-ASInternetServiceProviderRU Russian Federation 10->53 55 31.41.44.43, 49695, 80 ASRELINKRU Russian Federation 10->55 57 2 other IPs or domains 10->57 79 Detected unpacking (changes PE section rights) 10->79 81 Detected unpacking (overwrites its own PE header) 10->81 83 Writes to foreign memory regions 10->83 85 5 other signatures 10->85 16 control.exe 10->16         started        19 powershell.exe 1 26 14->19         started        signatures6 process7 file8 43 C:\Users\user\AppData\...\urfk2sai.cmdline, Unicode 19->43 dropped 59 Injects code into the Windows Explorer (explorer.exe) 19->59 61 Writes to foreign memory regions 19->61 63 Creates a thread in another existing process (thread injection) 19->63 22 explorer.exe 19->22 injected 25 csc.exe 3 19->25         started        28 csc.exe 3 19->28         started        30 conhost.exe 19->30         started        signatures9 process10 file11 77 Self deletion via cmd or bat file 22->77 32 cmd.exe 1 22->32         started        45 C:\Users\user\AppData\Local\...\2wa1wf4n.dll, PE32 25->45 dropped 35 cvtres.exe 1 25->35         started        47 C:\Users\user\AppData\Local\...\urfk2sai.dll, PE32 28->47 dropped 37 cvtres.exe 1 28->37         started        signatures12 process13 signatures14 65 Uses ping.exe to sleep 32->65 67 Uses ping.exe to check the status of other devices and networks 32->67 39 conhost.exe 32->39         started        41 PING.EXE 1 32->41         started        process15
Threat name:
Win32.Trojan.RaStealer
Status:
Malicious
First seen:
2022-12-21 10:40:08 UTC
File Type:
PE (Exe)
Extracted files:
61
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:gozi botnet:7639 banker isfb trojan
Behaviour
Discovers systems in the same network
Enumerates processes with tasklist
Gathers system information
Runs net.exe
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
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Gozi
Malware Config
C2 Extraction:
31.41.44.43
62.173.147.143
31.41.44.63
62.173.147.113
185.31.162.9
31.41.46.120
31.41.44.71
62.173.147.138
31.41.44.79
62.173.147.142
62.173.147.64
Unpacked files
SH256 hash:
c8e35aef28837bbdc203f296b39ddf3391adaa36f9afb1c96baf173de2e54a31
MD5 hash:
f5fe3a84f720c4c8f4fe54eb2032943f
SHA1 hash:
b8f3706bbd20c72b86a23dd91ff844fbd6183772
Detections:
ISFB_Main win_isfb_auto
SH256 hash:
d547cd9c2116401691881fbab509da95efd13c061426b06bf016eebf22c5d257
MD5 hash:
cc9f01568755e48add4cc82271b34844
SHA1 hash:
047309c1cd79503af0255219247597b59d092c5d
SH256 hash:
b56043cc20c91f39773e23f2e34612cf4453df9c650b8014b756dffa850b009e
MD5 hash:
9b5a150a3f45be809437ca2ed8a96364
SHA1 hash:
74a835d1ed646e3e0ece25ddfaf334702a02dbc9
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:pdb_YARAify
Author:@wowabiy314
Description:PDB
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.

Comments