MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fcf5537cc477bb7aefdce475431fadaac9f101a4baedcacaaba20502bf4ba37e. 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 7 File information Comments

SHA256 hash: fcf5537cc477bb7aefdce475431fadaac9f101a4baedcacaaba20502bf4ba37e
SHA3-384 hash: 87e4413de05874541ec390fe61405a597291562ff9f52252ebd7ec30b1cc7e9fd443ef968abab583d63aeef4451173c1
SHA1 hash: 13668125c2bfb6567f55f15711dd98f01f90ab1a
MD5 hash: ac3cfa521a2fc5c1a8ff48f43033da98
humanhash: glucose-wolfram-skylark-coffee
File name:ac3cfa521a2fc5c1a8ff48f43033da98.exe
Download: download sample
Signature RiseProStealer
File size:2'732'544 bytes
First seen:2023-12-02 16:53:30 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash fe9e3404bebf8b23e1a17d6558da6aa8 (14 x RiseProStealer, 2 x RedLineStealer, 1 x DarkCloud)
ssdeep 49152:sKEmEFmv5tcC8bIT8WSIMbQUpSWbQiwA:Nvz32bQ855wA
TLSH T1EBC59C363A6A8877CCB12E3AE6D82D24D6FC7175370E4BDF4482D5CA8660BC0967F485
TrID 32.2% (.EXE) Win64 Executable (generic) (10523/12/4)
20.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
15.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
13.7% (.EXE) Win32 Executable (generic) (4505/5/1)
6.2% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter abuse_ch
Tags:exe RiseProStealer

Intelligence


File Origin
# of uploads :
1
# of downloads :
287
Origin country :
NL NL
Vendor Threat Intelligence
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
Forced system process termination
Forced shutdown of a system process
Blocking the Windows Defender launch
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Adding exclusions to Windows Defender
Enabling autorun by creating a file
Gathering data
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control greyware lolbin redline
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:
PrivateLoader
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Adds extensions / path to Windows Defender exclusion list (Registry)
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Contains functionality to check for running processes (XOR)
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
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected PrivateLoader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1352143 Sample: 4h2VZJ10ew.exe Startdate: 02/12/2023 Architecture: WINDOWS Score: 100 40 Antivirus / Scanner detection for submitted sample 2->40 42 Multi AV Scanner detection for submitted file 2->42 44 Yara detected PrivateLoader 2->44 8 4h2VZJ10ew.exe 2->8         started        11 OfficeTrackerNMP131.exe 2->11         started        13 OfficeTrackerNMP131.exe 2->13         started        15 3 other processes 2->15 process3 signatures4 54 Contains functionality to inject code into remote processes 8->54 56 Writes to foreign memory regions 8->56 58 Allocates memory in foreign processes 8->58 60 Injects a PE file into a foreign processes 8->60 17 AppLaunch.exe 11 14 8->17         started        process5 dnsIp6 38 194.49.94.152, 50500 EQUEST-ASNL unknown 17->38 30 C:\Windows\System32behaviorgraphroupPolicybehaviorgraphPT.INI, ASCII 17->30 dropped 32 C:\Users\user\AppData\...\FANBooster131.exe, PE32 17->32 dropped 34 C:\Users\user\AppData\...\MaxLoonaFest131.exe, PE32 17->34 dropped 36 C:\ProgramData\...\OfficeTrackerNMP131.exe, PE32 17->36 dropped 46 Contains functionality to check for running processes (XOR) 17->46 48 Found stalling execution ending in API Sleep call 17->48 50 Disables Windows Defender (deletes autostart) 17->50 52 6 other signatures 17->52 22 schtasks.exe 1 17->22         started        24 schtasks.exe 1 17->24         started        file7 signatures8 process9 process10 26 conhost.exe 22->26         started        28 conhost.exe 24->28         started       
Threat name:
Win32.Trojan.Privateloader
Status:
Malicious
First seen:
2023-12-01 04:35:21 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
25 of 37 (67.57%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
risepro
Score:
  10/10
Tags:
family:privateloader family:risepro loader persistence stealer
Behaviour
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
Drops file in System32 directory
Suspicious use of SetThreadContext
Adds Run key to start application
Drops startup file
PrivateLoader
RisePro
Malware Config
C2 Extraction:
194.49.94.152
Unpacked files
SH256 hash:
b43761ce35b1253b4b9dda987d6d58f0a68b1be30cc4d575e752a6712ae3723d
MD5 hash:
39eed45a2a1b6d6b7e0de271a9480942
SHA1 hash:
353e8d977e5c85c00102d2bd9573b4122c2c7d8c
SH256 hash:
fcf5537cc477bb7aefdce475431fadaac9f101a4baedcacaaba20502bf4ba37e
MD5 hash:
ac3cfa521a2fc5c1a8ff48f43033da98
SHA1 hash:
13668125c2bfb6567f55f15711dd98f01f90ab1a
Malware family:
PrivateLoader
Verdict:
Malicious
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:AppLaunch
Author:iam-py-test
Description:Detect files referencing .Net AppLaunch.exe
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
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:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:NET
Author:malware-lu

File information


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

Web download

RiseProStealer

Executable exe fcf5537cc477bb7aefdce475431fadaac9f101a4baedcacaaba20502bf4ba37e

(this sample)

  
Delivery method
Distributed via web download

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