MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bc84c3a9cfeb083fe41a238c55ea3163b5c9e5103fee0a7d7f4d8a1236b6d22d. 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: 12


Intelligence 12 IOCs YARA 10 File information Comments 1

SHA256 hash: bc84c3a9cfeb083fe41a238c55ea3163b5c9e5103fee0a7d7f4d8a1236b6d22d
SHA3-384 hash: 216e50367578d15e1b198220672a8ab98ce8ce2289cec1d6200e9f9d6b096db86d7702213273ff403fa0e3c66a374f43
SHA1 hash: 0f905a137b801a69cf498fc0f8c5f00e75c5e689
MD5 hash: 5c0d04ccd0cbcd8cc90a502df8b512e7
humanhash: failed-romeo-dakota-stream
File name:5c0d04ccd0cbcd8cc90a502df8b512e7
Download: download sample
Signature PrivateLoader
File size:3'302'400 bytes
First seen:2024-04-12 07:13:21 UTC
Last seen:2024-04-12 07:28:05 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash dde04a4a91a59ef24083f245b804ae7b (2 x PrivateLoader)
ssdeep 49152:fEOGfMr0UrM21zm6mVonU7JCGjh9FDrjop1jy50JtrD2sGxgLJ+r8+NSR63xrO0s:rtr0CnnGJCGl9GDnrNGaLJ5RKxy
TLSH T12FE53308FCABA195C1E90AF0C58E8E795372EE0C5DEF6058BA1D89DC597CECE714D122
TrID 50.0% (.EXE) Generic Win/DOS Executable (2002/3)
49.9% (.EXE) DOS Executable Generic (2000/1)
File icon (PE):PE icon
dhash icon fcccd0f0d0ccc4e4 (1 x RiseProStealer, 1 x PrivateLoader)
Reporter zbetcheckin
Tags:64 exe PrivateLoader

Intelligence


File Origin
# of uploads :
2
# of downloads :
361
Origin country :
FR FR
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Searching for analyzing tools
Сreating synchronization primitives
Modifying a system file
Connection attempt
Sending an HTTP GET request
Using the Windows Management Instrumentation requests
DNS request
Sending a custom TCP request
Replacing files
Launching a service
Launching a process
Reading critical registry keys
Sending a UDP request
Forced system process termination
Blocking the Windows Defender launch
Adding exclusions to Windows Defender
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
epmpress lolbin mpress packed packed packed shell32
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:
n/a
Detection:
malicious
Classification:
spyw.evad
Score:
100 / 100
Signature
Adds extensions / path to Windows Defender exclusion list (Registry)
Antivirus detection for dropped file
Antivirus detection for URL or domain
Detected unpacking (changes PE section rights)
Disable Windows Defender real time protection (registry)
Disables Windows Defender (deletes autostart)
Drops PE files to the document folder of the user
Exclude list of file types from scheduled, custom, and real-time scanning
Found direct / indirect Syscall (likely to bypass EDR)
Hides threads from debuggers
Machine Learning detection for dropped file
Modifies Group Policy settings
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Query firmware table information (likely to detect VMs)
Snort IDS alert for network traffic
Tries to detect process monitoring tools (Task Manager, Process Explorer etc.)
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Tries to harvest and steal browser information (history, passwords, etc)
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Generic
Status:
Malicious
First seen:
2024-04-11 15:45:05 UTC
File Type:
PE+ (Exe)
Extracted files:
19
AV detection:
11 of 24 (45.83%)
Threat level:
  2/5
Verdict:
malicious
Result
Malware family:
n/a
Score:
  10/10
Tags:
evasion trojan
Behaviour
Modifies system certificate store
Drops file in System32 directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Checks whether UAC is enabled
Looks up external IP address via web service
Checks BIOS information in registry
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Modifies firewall policy service
Unpacked files
SH256 hash:
bc84c3a9cfeb083fe41a238c55ea3163b5c9e5103fee0a7d7f4d8a1236b6d22d
MD5 hash:
5c0d04ccd0cbcd8cc90a502df8b512e7
SHA1 hash:
0f905a137b801a69cf498fc0f8c5f00e75c5e689
Detections:
INDICATOR_EXE_Packed_MPress
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:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:HeavensGate
Author:kevoreilly
Description:Heaven's Gate: Switch from 32-bit to 64-mode
Rule name:INDICATOR_EXE_Packed_MPress
Author:ditekSHen
Description:Detects executables built or packed with MPress PE compressor
Rule name:maldoc_getEIP_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:mpress_2_xx_x64
Author:Kevin Falcoz
Description:MPRESS v2.XX x64 - no .NET
Rule name:privateloader
Author:andretavare5
Description:Detects PrivateLoader malware.
Rule name:SHA512_Constants
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:TeslaCryptPackedMalware
Rule name:win_privateloader
Author:andretavare5
Description:Detects PrivateLoader malware.
Reference:https://www.bitsight.com/blog/hunting-privateloader-malware-behind-installskey-ppi-service

File information


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

Web download

PrivateLoader

Executable exe bc84c3a9cfeb083fe41a238c55ea3163b5c9e5103fee0a7d7f4d8a1236b6d22d

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2024-04-12 07:13:22 UTC

url : hxxp://193.233.132.175/server/ww15/AppGate2103v15.exe