MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c76625ff441ba1a68172aa25ee4c9941c2d00435fed8f966efedfda7c163d03d. 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: 15


Intelligence 15 IOCs YARA 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c76625ff441ba1a68172aa25ee4c9941c2d00435fed8f966efedfda7c163d03d
SHA3-384 hash: 8ce2f31c39671a0e4f209d505acacd948b3a2ffecfc8d0bf7bf632ed79ac0ae9564f828b93319c379410559224b605da
SHA1 hash: d44cb74b409170f0a9b42369890b886961480c6e
MD5 hash: 5f6510982a945548abc26818a54f7265
humanhash: cat-apart-nevada-blossom
File name:4oz017Ag.exe
Download: download sample
Signature RiseProStealer
Create hunting rule
File size:3'680'544 bytes
First seen:2023-12-06 02:20:55 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 3e2cda978a1321eeb131174780043dc0 (1 x RiseProStealer, 1 x RedLineStealer)
ssdeep 49152:Kim0jcrrQIbN6a3vMKmXZLATmHWOY0+krlDWyOiA//ITVF:CbkXKmJLATm2OY0+krlDWwA//Kn
TLSH T1EE06084172FA8B59F6F31A781679A611142AFC79DF01E3DFB2A1514AC874AC08970F3B
TrID 39.5% (.EXE) InstallShield setup (43053/19/16)
28.6% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
9.6% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter ukycircle
Tags:exe RiseProStealer

Intelligence

File Origin
# of uploads :
1
# of downloads :
323
Origin country :
JP JP
Vendor Threat Intelligence
Malware family:
smoke
Create hunting rule
ID:
1
File name:
d3b872908454b2d5649fedd5848e02f414837ccd3efb1.exe
Verdict:
Malicious activity
Analysis date:
2023-12-06 01:52:34 UTC
Tags:
risepro stealer evasion loader smoke smokeloader
Link:
https://app.any.run/tasks/420e4427-9210-404f-bcec-0a894a01b3c8

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/462735/
Detection(s):
Win.Packed.Pwsx-10012424-0
Create hunting rule

Win.Trojan.Stealerc-10014035-0
Create hunting rule

Win.Trojan.Pwsx-10015942-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
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 service
Sending a UDP request
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Reading critical registry keys
Forced system process termination
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Searching for the window
Forced shutdown of a system process
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
Unauthorized injection to a system process
Adding exclusions to Windows Defender
Enabling autorun by creating a file
Gathering data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control lolbin mokes overlay packed
Link:
https://www.filescan.io/uploads/656fda9481a3a8ec606cf9a7/reports/8b3ffdfe-e0c0-4885-ac72-bd81375b8746/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/c76625ff441ba1a68172aa25ee4c9941c2d00435fed8f966efedfda7c163d03d
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.
Gathering data
Result
Threat name:
PrivateLoader, RisePro Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1354353
Signature
Adds extensions / path to Windows Defender exclusion list (Registry)
Allocates memory in foreign processes
Contains functionality to inject code into remote processes
Contains functionality to inject threads in other processes
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
Injects a PE file into a foreign processes
Modifies Group Policy settings
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
Writes to foreign memory regions
Yara detected PrivateLoader
Yara detected RisePro Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1354353 Sample: 4oz017Ag.exe Startdate: 06/12/2023 Architecture: WINDOWS Score: 100 45 ipinfo.io 2->45 51 Snort IDS alert for network traffic 2->51 53 Multi AV Scanner detection for submitted file 2->53 55 Yara detected RisePro Stealer 2->55 57 Yara detected PrivateLoader 2->57 9 4oz017Ag.exe 2->9         started        12 OfficeTrackerNMP131.exe 2->12         started        14 OfficeTrackerNMP131.exe 2->14         started        16 3 other processes 2->16 signatures3 process4 signatures5 73 Contains functionality to inject code into remote processes 9->73 75 Writes to foreign memory regions 9->75 77 Allocates memory in foreign processes 9->77 79 Injects a PE file into a foreign processes 9->79 18 AppLaunch.exe 11 508 9->18         started        23 AppLaunch.exe 9->23         started        25 AppLaunch.exe 9->25         started        process6 dnsIp7 47 193.233.132.51, 49720, 50500 FREE-NET-ASFREEnetEU Russian Federation 18->47 49 ipinfo.io 34.117.59.81, 443, 49721 GOOGLE-AS-APGoogleAsiaPacificPteLtdSG United States 18->49 37 C:\Windows\System32behaviorgraphroupPolicybehaviorgraphPT.INI, ASCII 18->37 dropped 39 C:\...\p4au0RJH7uzah6CxVeKLN_Fq1ncC6krc.zip, Zip 18->39 dropped 41 C:\Users\user\AppData\...\FANBooster131.exe, PE32 18->41 dropped 43 2 other files (none is malicious) 18->43 dropped 59 Tries to steal Mail credentials (via file / registry access) 18->59 61 Disables Windows Defender (deletes autostart) 18->61 63 Tries to harvest and steal browser information (history, passwords, etc) 18->63 71 4 other signatures 18->71 27 schtasks.exe 1 18->27         started        29 schtasks.exe 1 18->29         started        31 WerFault.exe 23 16 18->31         started        65 Found stalling execution ending in API Sleep call 23->65 67 Contains functionality to inject threads in other processes 23->67 69 Uses schtasks.exe or at.exe to add and modify task schedules 23->69 file8 signatures9 process10 process11 33 conhost.exe 27->33         started        35 conhost.exe 29->35         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/c76625ff441ba1a68172aa25ee4c9941c2d00435fed8f966efedfda7c163d03d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c76625ff441ba1a68172aa25ee4c9941c2d00435fed8f966efedfda7c163d03d/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Malicious
First seen:
2023-12-06 01:51:06 UTC
File Type:
PE (Exe)
AV detection:
8 of 23 (34.78%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=y5tcl72edoq2nalsvis64tezihbnabbv73mpszxp5x62pqld2a6q._file
Verdict:
malicious
Result
Malware family:
risepro
Create hunting rule
Score:
  10/10
Tags:
family:privateloader family:risepro collection loader persistence stealer
Link:
https://tria.ge/reports/231206-cs1lasac45/
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Drops file in System32 directory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Looks up external IP address via web service
Drops startup file
PrivateLoader
RisePro
Malware Config
C2 Extraction:
193.233.132.51
Unpacked files
SH256 hash:
ad1d41a4d438674448ff5e7ee63e21d38249d0999689e2b2aa0c5d28681b2a8d
MD5 hash:
7f07bca5e626b48ead60c7283797ea64
SHA1 hash:
3c8e58bbe8a5369f15d2577a8eeb8ccffefe0e12
Link:
https://www.unpac.me/results/597f59b8-c083-40cf-9424-2bee7186b287/
SH256 hash:
c76625ff441ba1a68172aa25ee4c9941c2d00435fed8f966efedfda7c163d03d
MD5 hash:
5f6510982a945548abc26818a54f7265
SHA1 hash:
d44cb74b409170f0a9b42369890b886961480c6e
Link:
https://www.unpac.me/results/597f59b8-c083-40cf-9424-2bee7186b287/
Malware family:
PrivateLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c76625ff441b/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/c76625ff441ba1a68172aa25ee4c9941c2d00435fed8f966efedfda7c163d03d

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:AppLaunch
Create hunting rule
Author:iam-py-test
Description:Detect files referencing .Net AppLaunch.exe
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:DebuggerException__SetConsoleCtrl
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:NET
Create hunting rule
Author:malware-lu
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/462735/

Comments