MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4762f9b832a0f5b565090b5b765c943425bdad0841a185c9d91b1a09c7278b3a. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4762f9b832a0f5b565090b5b765c943425bdad0841a185c9d91b1a09c7278b3a
SHA3-384 hash: e7b15f5f7a2319283c1a8333aab62a9f14aad51f0c9f890c666cc4a24a1417fcc0103afdf7c7fa1b8205e82c8213a3e8
SHA1 hash: 71912b07502b59e35e19ec944ffe63b1d68a0c4f
MD5 hash: ab8892814d225964d8555a6de9b573a1
humanhash: queen-queen-monkey-magnesium
File name:file
Download: download sample
Signature PrivateLoader
Create hunting rule
File size:260'096 bytes
First seen:2022-11-24 14:35:03 UTC
Last seen:2022-11-24 16:29:35 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 3340f4b0f8a2bbb798a9ff689aefd8e9 (7 x RedLineStealer, 1 x ArkeiStealer, 1 x PrivateLoader)
ssdeep 6144:gJCl3eGrU+IRFtM+yJ4wMp5+6k9PbNiWiehbSLsAz:gsMBTtMpmJ+pcdGAz
Threatray 4'351 similar samples on MalwareBazaar
TLSH T19544CF57F49C7082C5A7C6FCA4869797517FA2337B991819233CAD544620AA302CBFFB
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 https://vk.com/doc760750097_656752057?hash=QL4jnzEh75OUfkfW6kpPYqI4FWp9jKgNiFN9DgcLVh0&dl=G43DANZVGAYDSNY:1669297990:xv1OrWe1tGBhjgzXEAZVXVmBSErVAC6pxMTuwQ3JZpP&api=1&no_preview=1

Intelligence

File Origin
# of uploads :
2
# of downloads :
364
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-11-24 14:36:29 UTC
Tags:
opendir
Link:
https://app.any.run/tasks/5b3cbaa8-cf08-4e55-b690-a5681ff395b0

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/338097/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.14772.1656.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Reading critical registry keys
Creating a window
Searching for the window
Launching a process
Searching for synchronization primitives
DNS request
Launching the default Windows debugger (dwwin.exe)
Sending a custom TCP request
Creating a file in the %temp% directory
Stealing user critical data
Unauthorized injection to a system process
Sending an HTTP GET request to an infection source
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware packed
Link:
https://www.filescan.io/uploads/637f815324da1c12cfe1967d/reports/62cda6c3-2223-4b05-9327-4b3ea50f1739/overview
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7e75f716-42fd-4ca2-a2ea-5ff576d3e703
Result
Threat name:
PrivateLoader
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1120573
Signature
Allocates memory in foreign processes
Contains functionality to inject code into remote processes
DLL side loading technique detected
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
Machine Learning detection for sample
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)
Writes to foreign memory regions
Yara detected PrivateLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 753290 Sample: file.exe Startdate: 24/11/2022 Architecture: WINDOWS Score: 96 34 Multi AV Scanner detection for dropped file 2->34 36 Yara detected PrivateLoader 2->36 38 Machine Learning detection for sample 2->38 40 Found many strings related to Crypto-Wallets (likely being stolen) 2->40 6 file.exe 2 2->6         started        process3 signatures4 42 Contains functionality to inject code into remote processes 6->42 44 Writes to foreign memory regions 6->44 46 Allocates memory in foreign processes 6->46 48 Injects a PE file into a foreign processes 6->48 9 vbc.exe 46 6->9         started        14 WerFault.exe 24 9 6->14         started        16 conhost.exe 6->16         started        process5 dnsIp6 28 vk.com 87.240.137.164, 443, 49702, 49703 VKONTAKTE-SPB-AShttpvkcomRU Russian Federation 9->28 30 sun6-21.userapi.com 95.142.206.1, 443, 49707 VKONTAKTE-SPB-AShttpvkcomRU Russian Federation 9->30 32 5 other IPs or domains 9->32 18 C:\Users\user\AppData\Local\...\softokn3.dll, PE32 9->18 dropped 20 C:\Users\user\AppData\Local\Temp\...\nss3.dll, PE32 9->20 dropped 22 C:\Users\user\AppData\Local\...\mozglue.dll, PE32 9->22 dropped 26 4 other files (1 malicious) 9->26 dropped 50 May check the online IP address of the machine 9->50 52 Tries to steal Mail credentials (via file / registry access) 9->52 54 Tries to harvest and steal browser information (history, passwords, etc) 9->54 56 DLL side loading technique detected 9->56 24 C:\ProgramData\Microsoft\...\Report.wer, Unicode 14->24 dropped file7 signatures8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4762f9b832a0f5b565090b5b765c943425bdad0841a185c9d91b1a09c7278b3a/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2022-11-24 14:36:06 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=i5rptobsud23kzijbnnxmxeugqs33liiigqylsozdmnatrzhrm5a._file
Verdict:
malicious
Similar samples:
2d34e214cbb14456357d2e3381692d188b1004d8ff26280e430c716e6e3730b6
PrivateLoader
51b7940e4ac03d42efdcc5b0ad702ba331969ff6356a59cbeb5775f117afe2f6
PrivateLoader
69afee749b1f77242d702932abe8d187a69825f1c7246855064aa8efca35a306
PrivateLoader
998e71ff054d133015a8d91c7ac23659560fe10ebef91e125d391400fa98e0f9
PrivateLoader
c6c66f8242ff71eea0fbf7f81995c251bb1caa67555035807d97d68184c4a8fa
PrivateLoader
edf37f4d38ee1c2648c6d816f2cc4b3366acc0a884d58c7e46d44c902ff22687
PrivateLoader
ff6853d0d0355cd657e0fecf276f1128884a2ee0015b238c23448173f002f4f8
PrivateLoader
+ 4'341 additional samples on MalwareBazaar
Result
Malware family:
privateloader
Create hunting rule
Score:
  10/10
Tags:
family:privateloader loader
Link:
https://tria.ge/reports/221124-rx2rgsag68/
Behaviour
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Looks up external IP address via web service
Loads dropped DLL
Uses the VBS compiler for execution
PrivateLoader
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/41b933f3-ce49-463a-bd27-5c3c9ae7bf2b
Unpacked files
SH256 hash:
438227b60a9259818d5e533c8bcf68851f8f0130541aaf1b2a6848cdf6fc7d9a
MD5 hash:
50210517921fb5feb96629ef149d0650
SHA1 hash:
73477eb70bcd4a87fd3d17973fe2a38705de30fb
Link:
https://www.unpac.me/results/fc0a9ee3-f882-49ea-87d2-586a91a31ce4/
SH256 hash:
4762f9b832a0f5b565090b5b765c943425bdad0841a185c9d91b1a09c7278b3a
MD5 hash:
ab8892814d225964d8555a6de9b573a1
SHA1 hash:
71912b07502b59e35e19ec944ffe63b1d68a0c4f
Link:
https://www.unpac.me/results/fc0a9ee3-f882-49ea-87d2-586a91a31ce4/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4762f9b832a0/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/4762f9b832a0f5b565090b5b765c943425bdad0841a185c9d91b1a09c7278b3a

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
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com

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
Cape
Cape
https://www.capesandbox.com/analysis/338097/

Comments