MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f3915f40ab2ca33b94333b669ab4f77ca8c2c4be1563b08276b983c595674c25. 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



PrivateLoader


Vendor detections: 13


Intelligence 13 IOCs YARA 9 File information Comments

SHA256 hash: f3915f40ab2ca33b94333b669ab4f77ca8c2c4be1563b08276b983c595674c25
SHA3-384 hash: 7a79b58989a654ef4211e928edb73a7a70564d08c9344df3a0d67236f5b798fda6be0ab3ed76ae38be6d8dbd0c524970
SHA1 hash: 00206f7d5ff6e0a4b9ae5cfbc44057867df8857c
MD5 hash: 4160cf595f5a707837d58f84bb27365a
humanhash: illinois-hotel-glucose-batman
File name:file
Download: download sample
Signature PrivateLoader
File size:1'884'448 bytes
First seen:2023-12-08 13:45:19 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 639f228f86f07b457c581d62d46d7685 (5 x PrivateLoader, 4 x RiseProStealer, 3 x RedLineStealer)
ssdeep 49152:j+2C9Sj7LeNgk+JSkB5tCbOrgbQamlC2ebMLDeBO5jP:j+39oeNt+JSquOAY
TLSH T1A7955CC3A57588D8F10E0033DCB6E458785AA35D178B583A8E782FE254FD75A270CA7E
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)
Reporter andretavare5
Tags:exe PrivateLoader


Avatar
andretavare5
Sample downloaded from http://109.107.182.3/moda/good.exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
317
Origin country :
US US
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
DNS request
Sending a UDP 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)
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 overlay 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:
PrivateLoader
Detection:
malicious
Classification:
troj
Score:
52 / 100
Signature
Machine Learning detection for sample
Yara detected PrivateLoader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1356274 Sample: file.exe Startdate: 08/12/2023 Architecture: WINDOWS Score: 52 16 Yara detected PrivateLoader 2->16 18 Machine Learning detection for sample 2->18 6 file.exe 2->6         started        process3 process4 8 AppLaunch.exe 6->8         started        10 AppLaunch.exe 6->10         started        12 AppLaunch.exe 6->12         started        14 35 other processes 6->14
Threat name:
Win32.Spyware.Risepro
Status:
Malicious
First seen:
2023-12-08 16:18:29 UTC
AV detection:
15 of 23 (65.22%)
Threat level:
  2/5
Verdict:
malicious
Result
Malware family:
risepro
Score:
  10/10
Tags:
family:privateloader family:risepro collection loader persistence stealer
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Program crash
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:
2af9819ec0f2e32efbd67efed60dacb8a7cd0b476d90b8ef4a7065273a1558b2
MD5 hash:
b27e910c424074f78ac24f898df555be
SHA1 hash:
e91186afe7c74faec735f91a1a27707e57ec1a44
SH256 hash:
f3915f40ab2ca33b94333b669ab4f77ca8c2c4be1563b08276b983c595674c25
MD5 hash:
4160cf595f5a707837d58f84bb27365a
SHA1 hash:
00206f7d5ff6e0a4b9ae5cfbc44057867df8857c
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:Check_OutputDebugStringA_iat
Rule name:DebuggerCheck__API
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:NET
Author:malware-lu
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Author:albertzsigovits

File information


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

  
Dropped by
PrivateLoader
  
Delivery method
Distributed via drive-by

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