MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4bf91ca51bd6261a9752ddcc0725a984c8ce119fad4d70990cbaae65ba7d2df4. 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: 14


Intelligence 14 IOCs YARA 4 File information Comments

SHA256 hash: 4bf91ca51bd6261a9752ddcc0725a984c8ce119fad4d70990cbaae65ba7d2df4
SHA3-384 hash: 581bf3fe3c64dddd443f603f1d8ee6156b2f293c8fd73f289edae03d51cccaa59b185dded99529740685912e54d39375
SHA1 hash: b84d1c294a9052547c5010c9effec1c27f9f4e26
MD5 hash: d39f37055a839d133f97e3ce845b314b
humanhash: wyoming-tennessee-maine-india
File name:file
Download: download sample
Signature PrivateLoader
File size:7'964'672 bytes
First seen:2022-10-27 08:55:59 UTC
Last seen:2022-10-27 09:25:22 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 092e2b712ebb28275134a67f34b402c3 (1 x PrivateLoader)
ssdeep 196608:nmpqnvhUWEfrvlspSsqF10P1CPwDvt3uFTDC7LIKcosI3jhMSNr:rvhlEfzKpSfF1s1CPwDvt3uF/CfIKcod
Threatray 4'179 similar samples on MalwareBazaar
TLSH T12786BF12FB82B062E8DF01B962AE47BF5E3C6A30532084D3DB956D999E305C1B739753
TrID 88.3% (.CPL) Windows Control Panel Item (generic) (197083/11/60)
4.7% (.EXE) Win64 Executable (generic) (10523/12/4)
2.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
2.0% (.EXE) Win32 Executable (generic) (4505/5/1)
0.9% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter andretavare5
Tags:exe PrivateLoader


Avatar
andretavare5
Sample downloaded from https://vk.com/doc733883836_657644040?hash=IZWIlMVTSvovz8sKMK2pbVqolZtX9ByxDBClLM7dZZD&dl=G4ZTGOBYGM4DGNQ:1666860358:vi8YC9SRRGho9XUTItBUTo33z0zaupczJVRopw2NZgX&api=1&no_preview=1

Intelligence


File Origin
# of uploads :
15
# of downloads :
272
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-10-27 08:56:49 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% subdirectories
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Sending an HTTP POST request
Reading critical registry keys
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Creating a file in the system32 subdirectories
Creating a file
Stealing user critical data
Result
Malware family:
n/a
Score:
  6/10
Tags:
n/a
Behaviour
MalwareBazaar
MeasuringTime
GetTempPath
EvasionQueryPerformanceCounter
CheckCmdLine
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:
RedLine stealer
Verdict:
Malicious
Result
Threat name:
PrivateLoader
Detection:
malicious
Classification:
troj.spyw
Score:
68 / 100
Signature
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected PrivateLoader
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Havex
Status:
Malicious
First seen:
2022-10-27 09:09:17 UTC
File Type:
PE (Exe)
Extracted files:
8
AV detection:
14 of 26 (53.85%)
Threat level:
  5/5
Result
Malware family:
privateloader
Score:
  10/10
Tags:
family:privateloader spyware stealer
Behaviour
Program crash
Looks up external IP address via web service
Loads dropped DLL
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Malware Config
C2 Extraction:
http://108.174.200.11/MWTSL
http://content.elite-hacks.ru/test/setStats.php
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
4bf91ca51bd6261a9752ddcc0725a984c8ce119fad4d70990cbaae65ba7d2df4
MD5 hash:
d39f37055a839d133f97e3ce845b314b
SHA1 hash:
b84d1c294a9052547c5010c9effec1c27f9f4e26
Detections:
PrivateLoader win_privateloader_w0
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:meth_get_eip
Author:Willi Ballenthin
Rule name:pdb_YARAify
Author:@wowabiy314
Description:PDB
Rule name:privateloader
Author:andretavare5
Description:PrivateLoader pay-per-install malware
Rule name:win_privateloader_w0
Author:andretavare5
Reference:https://tavares.re/blog/2022/06/06/hunting-privateloader-pay-per-install-service

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

Comments