MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f2b23a42a680cb3b727c2c6811bfa51321c318148abd0d347526fbeb6c0ac9ff. 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


RiseProStealer


Vendor detections: 13


Intelligence 13 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f2b23a42a680cb3b727c2c6811bfa51321c318148abd0d347526fbeb6c0ac9ff
SHA3-384 hash: 983375f00c08136b8973db1dc9da379ee37591f19280257873489f5bf66e6a933e81eef76a3b0ea20e0ead2d32fbcfb3
SHA1 hash: 72d1db13a43c1100389373f975246f6fe972450d
MD5 hash: 89b0bfae6925fcec807c15e54cb10202
humanhash: video-gee-timing-beer
File name:89b0bfae6925fcec807c15e54cb10202.exe
Download: download sample
Signature RiseProStealer
Create hunting rule
File size:981'504 bytes
First seen:2023-12-09 06:52:47 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash c5c445b50fcdfbfd65e18ac43adc31c9 (15 x RiseProStealer, 8 x Stealc, 6 x Smoke Loader)
ssdeep 24576:Ov6j2L9MpWfzu3tkeEe4u5aIkW5Ub0Cv:zj89MpWbbeEu5hkWKH
TLSH T1FB250223A6E1BC56ED228BB14F1FCADC771EB8114E7877AA320CAE1B04711B2C563715
TrID 39.4% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.5% (.SCR) Windows screen saver (13097/50/3)
13.3% (.EXE) Win64 Executable (generic) (10523/12/4)
8.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon 002050b010341800 (2 x RiseProStealer)
Reporter abuse_ch
Tags:exe RiseProStealer

Intelligence

File Origin
# of uploads :
1
# of downloads :
307
Origin country :
NL NL
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/463900/
Detection(s):
Win.Packer.pkr_ce1a-9980177-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the Windows subdirectories
Сreating synchronization primitives
Modifying a system file
Creating a file
Creating a file in the %temp% subdirectories
Replacing files
Launching a process
Launching a service
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Sending a UDP request
Reading critical registry keys
Forced system process termination
Launching the default Windows debugger (dwwin.exe)
Blocking the Windows Defender launch
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Sending a TCP request to an infection source
Stealing user critical data
Adding exclusions to Windows Defender
Enabling autorun by creating a file
Gathering data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/65740ecfda3178d99cde1897/reports/411cd30f-6cc6-4961-b3c4-604376de6935/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/f2b23a42a680cb3b727c2c6811bfa51321c318148abd0d347526fbeb6c0ac9ff
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.
Malware family:
Malicious Packer
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/93b08614-cc8f-41be-9d47-c811d4b66da7
Result
Threat name:
PrivateLoader, RisePro Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1356794
Signature
Adds extensions / path to Windows Defender exclusion list (Registry)
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to inject threads in other processes
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Disable Windows Defender real time protection (registry)
Disables Windows Defender (deletes autostart)
Exclude list of file types from scheduled, custom, and real-time scanning
Found stalling execution ending in API Sleep call
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies Group Policy settings
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected PrivateLoader
Yara detected RisePro Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1356794 Sample: Ra7zns1qQu.exe Startdate: 09/12/2023 Architecture: WINDOWS Score: 100 49 ipinfo.io 2->49 55 Snort IDS alert for network traffic 2->55 57 Malicious sample detected (through community Yara rule) 2->57 59 Antivirus / Scanner detection for submitted sample 2->59 61 4 other signatures 2->61 8 Ra7zns1qQu.exe 11 508 2->8         started        13 OfficeTrackerNMP131.exe 10 2 2->13         started        15 OfficeTrackerNMP131.exe 10 501 2->15         started        17 3 other processes 2->17 signatures3 process4 dnsIp5 51 193.233.132.51, 49729, 49730, 49734 FREE-NET-ASFREEnetEU Russian Federation 8->51 39 C:\Users\user\AppData\...\FANBooster131.exe, PE32 8->39 dropped 41 C:\Users\user\AppData\...\MaxLoonaFest131.exe, PE32 8->41 dropped 43 C:\ProgramData\...\OfficeTrackerNMP131.exe, PE32 8->43 dropped 47 2 other malicious files 8->47 dropped 63 Detected unpacking (changes PE section rights) 8->63 65 Detected unpacking (overwrites its own PE header) 8->65 67 Tries to steal Mail credentials (via file / registry access) 8->67 81 6 other signatures 8->81 19 schtasks.exe 1 8->19         started        21 schtasks.exe 1 8->21         started        23 WerFault.exe 8->23         started        69 Antivirus detection for dropped file 13->69 71 Multi AV Scanner detection for dropped file 13->71 73 Machine Learning detection for dropped file 13->73 25 WerFault.exe 13->25         started        53 ipinfo.io 34.117.59.81, 443, 49732, 49733 GOOGLE-AS-APGoogleAsiaPacificPteLtdSG United States 15->53 45 C:\...\ZaoMha4pCT8GT4Ap9A9vpLqe6OmxV1V8.zip, Zip 15->45 dropped 75 Disables Windows Defender (deletes autostart) 15->75 77 Tries to harvest and steal browser information (history, passwords, etc) 15->77 79 Exclude list of file types from scheduled, custom, and real-time scanning 15->79 27 WerFault.exe 15->27         started        29 WerFault.exe 17->29         started        31 WerFault.exe 17->31         started        33 WerFault.exe 17->33         started        file6 signatures7 process8 process9 35 conhost.exe 19->35         started        37 conhost.exe 21->37         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/f2b23a42a680cb3b727c2c6811bfa51321c318148abd0d347526fbeb6c0ac9ff
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f2b23a42a680cb3b727c2c6811bfa51321c318148abd0d347526fbeb6c0ac9ff/
Threat name:
Win32.Trojan.SmokeLoader
Create hunting rule
Status:
Malicious
First seen:
2023-12-08 22:57:08 UTC
File Type:
PE (Exe)
Extracted files:
37
AV detection:
19 of 22 (86.36%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6kzduqvgqdftw4t4frubdp5fcmq4ggaurk6q2ndve356w3akzh7q._file
Result
Malware family:
risepro
Create hunting rule
Score:
  10/10
Tags:
family:privateloader family:risepro collection discovery loader persistence spyware stealer
Link:
https://tria.ge/reports/231209-hnm3asgff6/
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Program crash
Drops file in System32 directory
Accesses Microsoft Outlook profiles
Adds Run key to start application
Checks installed software on the system
Looks up external IP address via web service
Drops startup file
Loads dropped DLL
Reads user/profile data of local email clients
Reads user/profile data of web browsers
PrivateLoader
RisePro
Malware Config
C2 Extraction:
193.233.132.51
Unpacked files
SH256 hash:
4b51c393104af7970c54b872bc91f1af6b89457e49f6d6df2c917e0111a18738
MD5 hash:
392cf6ddab6eced22a91245e612c777c
SHA1 hash:
8920bcee1bda44af19aa6a6f0373311dcceac6b1
Link:
https://www.unpac.me/results/ec04bdec-094b-4b10-b87f-b5e121e51880/
SH256 hash:
f2b23a42a680cb3b727c2c6811bfa51321c318148abd0d347526fbeb6c0ac9ff
MD5 hash:
89b0bfae6925fcec807c15e54cb10202
SHA1 hash:
72d1db13a43c1100389373f975246f6fe972450d
Link:
https://www.unpac.me/results/ec04bdec-094b-4b10-b87f-b5e121e51880/
Malware family:
PrivateLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f2b23a42a680/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/f2b23a42a680cb3b727c2c6811bfa51321c318148abd0d347526fbeb6c0ac9ff

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:Check_OutputDebugStringA_iat
Create hunting rule
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:Windows_Trojan_Smokeloader_3687686f
Create hunting rule
Author:Elastic Security

File information

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

Web download

RiseProStealer

Executable exe f2b23a42a680cb3b727c2c6811bfa51321c318148abd0d347526fbeb6c0ac9ff

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/463900/
  
URLhaus
https://urlhaus.abuse.ch/url/2736632/
  
Delivery method
Distributed via web download

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