MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9387f4d0d04d48e9bdb9cbcb6edd9b2567fc50b0b5752c05b507c6953b33c742. 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


PureLogsStealer


Vendor detections: 11


Intelligence 11 IOCs YARA 8 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9387f4d0d04d48e9bdb9cbcb6edd9b2567fc50b0b5752c05b507c6953b33c742
SHA3-384 hash: 3e44796a6f0edb6d64f1195231cdfa6d8bb92b1b7009e528d4b47e91442126eac303a818431620358c2db61491b3cdda
SHA1 hash: 84f53da6eeeb85308069512efe766b80706b7143
MD5 hash: b5eb5ee2bef8da033390276999fa669b
humanhash: aspen-arkansas-montana-juliet
File name:b5eb5ee2bef8da033390276999fa669b
Download: download sample
Signature PureLogsStealer
Create hunting rule
File size:95'528 bytes
First seen:2024-05-04 08:39:13 UTC
Last seen:2024-05-04 09:32:52 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'672 x AgentTesla, 19'489 x Formbook, 12'212 x SnakeKeylogger)
ssdeep 1536:G8gjDQ97sYos0GiY+ocn+/JqJTVaaI9m+6p7Hxh:/SDQ97so0GiY3/JKM8+6pT
Threatray 685 similar samples on MalwareBazaar
TLSH T1D5936D2667E8851BE2BEBB3058F127200875F8977931EB4F6E80115E0E72BC4DD15BB6
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 696a6ee2b2b2c2cc (18 x RedLineStealer, 17 x LummaStealer, 16 x CoinMiner)
Reporter zbetcheckin
Tags:32 exe PureLogStealer

Intelligence

File Origin
# of uploads :
2
# of downloads :
452
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
9387f4d0d04d48e9bdb9cbcb6edd9b2567fc50b0b5752c05b507c6953b33c742.exe
Verdict:
Malicious activity
Analysis date:
2024-05-04 08:44:59 UTC
Tags:
purecrypter purelogs loader
Link:
https://app.any.run/tasks/5d630098-c74a-4100-b3ec-29ab734b04e3

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.13969.25152.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Connection attempt
Sending an HTTP GET request
Restart of the analyzed sample
Creating a process with a hidden window
Creating a file
Connecting to a non-recommended domain
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Creating a window
Creating a file in the %temp% directory
Reading critical registry keys
Creating a process from a recently created file
Unauthorized injection to a recently created process
Stealing user critical data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay
Link:
https://www.filescan.io/uploads/6635f4689cdc03b57abced04/reports/77f4f9a4-0364-4b8e-8077-fbb91a08d5b5/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/9387f4d0d04d48e9bdb9cbcb6edd9b2567fc50b0b5752c05b507c6953b33c742
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/a7670e50-cb77-4d15-b0cb-499fa348cea7
Result
Threat name:
PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1436333
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus detection for URL or domain
Found many strings related to Crypto-Wallets (likely being stolen)
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal Bitcoin Wallet information
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses dynamic DNS services
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1436333 Sample: K7jrWeA2ym.exe Startdate: 04/05/2024 Architecture: WINDOWS Score: 100 25 minitryinon.duckdns.org 2->25 27 ghuytyh45.duckdns.org 2->27 29 4 other IPs or domains 2->29 39 Multi AV Scanner detection for domain / URL 2->39 41 Antivirus detection for URL or domain 2->41 43 Multi AV Scanner detection for submitted file 2->43 47 7 other signatures 2->47 9 K7jrWeA2ym.exe 15 3 2->9         started        signatures3 45 Uses dynamic DNS services 27->45 process4 dnsIp5 31 ghuytyh45.duckdns.org 91.92.254.152, 49731, 49740, 49741 THEZONEBG Bulgaria 9->31 49 Found many strings related to Crypto-Wallets (likely being stolen) 9->49 51 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 9->51 13 K7jrWeA2ym.exe 19 9->13         started        signatures6 process7 dnsIp8 33 minitryinon.duckdns.org 91.92.244.154, 49732, 49739, 7702 THEZONEBG Bulgaria 13->33 23 C:\Users\user\AppData\Local\...\Rkzcbdjo.exe, PE32 13->23 dropped 53 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 13->53 55 Tries to steal Mail credentials (via file / registry access) 13->55 57 Found many strings related to Crypto-Wallets (likely being stolen) 13->57 59 2 other signatures 13->59 18 Rkzcbdjo.exe 14 3 13->18         started        file9 signatures10 process11 signatures12 35 Multi AV Scanner detection for dropped file 18->35 37 Machine Learning detection for dropped file 18->37 21 MSBuild.exe 2 18->21         started        process13
Score:
98%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/9387f4d0d04d48e9bdb9cbcb6edd9b2567fc50b0b5752c05b507c6953b33c742
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/9387f4d0d04d48e9bdb9cbcb6edd9b2567fc50b0b5752c05b507c6953b33c742/
Threat name:
Win32.Trojan.Smokeloader
Create hunting rule
Status:
Malicious
First seen:
2024-05-03 19:56:04 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
17 of 23 (73.91%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=sod7jugqjveotpnzzpfw5xm3evt7yufqwv2sybnva7djkozty5ba._file
Verdict:
malicious
Similar samples:
07632170506689c16d08c0ffe3b8ac37f959a35e5a4ac811e38318ac83b58f92
PureLogsStealer
4ec050b4dfd931ed6d30256b3ed1d042f313860da23e7ca064aaf95ad83e257e
PureLogsStealer
7693aae819937d6b3d4a8427a16dedc38c0caf0a3988a284c5d1dd7b269eb60d
PureLogsStealer
9387f4d0d04d48e9bdb9cbcb6edd9b2567fc50b0b5752c05b507c6953b33c742
PureLogsStealer
bc87e0eaeac968db7503e353766d796c4a7ca617848f02415970f4f21ad3e7bb
PureLogsStealer
dc306a538c10c8e4ded86db7b1c4648191db7581b76c506bcf9ad511a5120aa8
PureLogsStealer
e1407224ef8bf4ca74997f4389bd427dca0e57bf1918d12a8d3f27625d6ee368
PureLogsStealer
e6cb7e5622c6a86100f753343e7b7837a5e682f67c730d2a7e5c612ca54d8aba
PureLogsStealer
+ 675 additional samples on MalwareBazaar
Result
Malware family:
zgrat
Create hunting rule
Score:
  10/10
Tags:
family:zgrat collection rat spyware stealer
Link:
https://tria.ge/reports/240504-kkwalsgh3w/
Behaviour
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Executes dropped EXE
Loads dropped DLL
Reads WinSCP keys stored on the system
Reads user/profile data of web browsers
Downloads MZ/PE file
Detect ZGRat V1
ZGRat
Unpacked files
SH256 hash:
9387f4d0d04d48e9bdb9cbcb6edd9b2567fc50b0b5752c05b507c6953b33c742
MD5 hash:
b5eb5ee2bef8da033390276999fa669b
SHA1 hash:
84f53da6eeeb85308069512efe766b80706b7143
Detections:
PureCrypter_Stage1
Create hunting rule
Link:
https://www.unpac.me/results/7c7d1657-3edf-4645-977d-dd20c171ca13/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/9387f4d0d04d/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.40
Link:
https://yomi.yoroi.company/submissions/9387f4d0d04d48e9bdb9cbcb6edd9b2567fc50b0b5752c05b507c6953b33c742

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:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:PureCrypter
Create hunting rule
Author:@bartblaze
Description:Identifies PureCrypter, .NET loader and obfuscator.
Reference:https://malpedia.caad.fkie.fraunhofer.de/details/win.purecrypter
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Web download

PureLogsStealer

Executable exe 9387f4d0d04d48e9bdb9cbcb6edd9b2567fc50b0b5752c05b507c6953b33c742

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2837731/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

Comments


Avatar
zbet commented on 2024-05-04 08:39:14 UTC

url : hxxp://ghuytyh45.duckdns.org/byfronbypass.html/css/mss/Brukie.exe