MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3f352445c521895812735acebb5f944cd1e88024cade5b201c562166619ffc9f. 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: 12


Intelligence 12 IOCs YARA 5 File information Comments 1

SHA256 hash: 3f352445c521895812735acebb5f944cd1e88024cade5b201c562166619ffc9f
SHA3-384 hash: 93af7fe9b6fc46dc3a01bee6ae33d4438fb7a622724beecec679f1288f7d8d0c188e92c8a0f5cf07a234c8701852be5f
SHA1 hash: fab2bbc6e43cc01217673b2753e223099c3c297f
MD5 hash: f5fe6435df7702338b1320b55f96caa4
humanhash: hot-sixteen-west-mockingbird
File name:f5fe6435df7702338b1320b55f96caa4
Download: download sample
Signature PureLogsStealer
File size:608'256 bytes
First seen:2024-05-13 07:18:31 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'672 x AgentTesla, 19'489 x Formbook, 12'212 x SnakeKeylogger)
ssdeep 12288:Ta+kA8UkbVvyhzR8OQtgR64Hh4oPRSviJFwuHnOr387dPex:FFgkh21gR3JSviJFbnOz87dPe
Threatray 2'257 similar samples on MalwareBazaar
TLSH T153D4234E87A97DB7DB7190F82098FCEF4B6B7867C06D19BD34981605A2DA34F3B21610
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)
Reporter zbetcheckin
Tags:32 exe PureLogStealer

Intelligence


File Origin
# of uploads :
1
# of downloads :
330
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
3f352445c521895812735acebb5f944cd1e88024cade5b201c562166619ffc9f.exe
Verdict:
Malicious activity
Analysis date:
2024-05-13 07:20:41 UTC
Tags:
purecrypter loader payload purelogs

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

Behaviour
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
Creating a file
Creating a process from a recently created file
Launching a process
Forced shutdown of a system process
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Result
Threat name:
PureLog Stealer, zgRAT
Detection:
malicious
Classification:
spre.troj.adwa.spyw.evad
Score:
100 / 100
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
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
Drops PE files to the startup folder
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Powershell drops PE file
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Sigma detected: Copy file to startup via Powershell
Sigma detected: Script Interpreter Execution From Suspicious Folder
Sigma detected: Suspicious Script Execution From Temp Folder
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)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected PureLog Stealer
Yara detected zgRAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1440342 Sample: 0qhXjhHbzk.exe Startdate: 13/05/2024 Architecture: WINDOWS Score: 100 61 relay-04-static.cloud 2->61 63 relay-03-static.cloud 2->63 65 3 other IPs or domains 2->65 75 Multi AV Scanner detection for domain / URL 2->75 77 Malicious sample detected (through community Yara rule) 2->77 79 Antivirus detection for URL or domain 2->79 81 14 other signatures 2->81 8 TypeId.exe 3 2->8         started        11 rnzyqy.exe 2->11         started        13 pgtufa.exe 2->13         started        15 6 other processes 2->15 signatures3 process4 file5 101 Antivirus detection for dropped file 8->101 103 Multi AV Scanner detection for dropped file 8->103 105 Machine Learning detection for dropped file 8->105 119 2 other signatures 8->119 18 InstallUtil.exe 16 5 8->18         started        107 Injects a PE file into a foreign processes 11->107 23 rnzyqy.exe 11->23         started        25 powershell.exe 11->25         started        27 rnzyqy.exe 11->27         started        109 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 13->109 111 Modifies the context of a thread in another process (thread injection) 13->111 29 powershell.exe 13->29         started        31 pgtufa.exe 13->31         started        59 C:\Users\user\AppData\Local\...\TypeId.exe, PE32 15->59 dropped 113 Found many strings related to Crypto-Wallets (likely being stolen) 15->113 115 Bypasses PowerShell execution policy 15->115 117 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 15->117 33 rnzyqy.exe 15->33         started        35 powershell.exe 15->35         started        37 6 other processes 15->37 signatures6 process7 dnsIp8 67 relay-02-static.network 185.196.10.99, 49731, 49733, 49735 SIMPLECARRIERCH Switzerland 18->67 69 relay-04-static.cloud 111.90.145.141, 49730, 49732, 49734 SHINJIRU-MY-AS-APShinjiruTechnologySdnBhdMY Malaysia 18->69 47 C:\Users\user\AppData\Local\Temp\rnzyqy.exe, PE32 18->47 dropped 49 C:\Users\user\AppData\Local\Temp\pgtufa.exe, PE32+ 18->49 dropped 51 C:\Users\user\AppData\Local\...\eoxrbups.exe, PE32 18->51 dropped 83 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 18->83 71 relay-03-static.cloud 111.90.145.132, 49747, 49764, 7722 SHINJIRU-MY-AS-APShinjiruTechnologySdnBhdMY Malaysia 23->71 85 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 23->85 87 Tries to steal Mail credentials (via file / registry access) 23->87 89 Found many strings related to Crypto-Wallets (likely being stolen) 23->89 91 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 23->91 53 C:\Users\user\AppData\Roaming\...\rnzyqy.exe, PE32 25->53 dropped 39 conhost.exe 25->39         started        55 C:\Users\user\AppData\Roaming\...\Sys.exe, PE32+ 29->55 dropped 41 conhost.exe 29->41         started        73 relay-01-static.cloud 111.90.159.210, 39001, 49755 SHINJIRU-MY-AS-APShinjiruTechnologySdnBhdMY Malaysia 31->73 93 Tries to harvest and steal browser information (history, passwords, etc) 33->93 95 Tries to harvest and steal Bitcoin Wallet information 33->95 57 C:\Users\user\AppData\...\eoxrbups.exe, PE32 35->57 dropped 97 Drops PE files to the startup folder 35->97 99 Powershell drops PE file 35->99 43 conhost.exe 35->43         started        45 conhost.exe 37->45         started        file9 signatures10 process11
Threat name:
ByteCode-MSIL.Trojan.Injuke
Status:
Malicious
First seen:
2024-05-02 19:37:24 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:zgrat agilenet execution rat
Behaviour
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: PowerShell
Suspicious use of SetThreadContext
Drops startup file
Executes dropped EXE
Loads dropped DLL
Obfuscated with Agile.Net obfuscator
Downloads MZ/PE file
Detect ZGRat V1
ZGRat
Unpacked files
SH256 hash:
3c40e720cb863f32b95e9a310c7a741f3c6f67170368637905ec4cf378b93d1f
MD5 hash:
4d5acbdf7480338788c59c700d47b433
SHA1 hash:
60841cc53d7bb95b9aec37444849bdf7abf673d8
SH256 hash:
2824266570818add2e75239216953c5d288d81c8629cdbf4a08019fb4080df67
MD5 hash:
26d4d582529520fd2d4400f1269d502b
SHA1 hash:
497e8c51b594e2939e7f6d134d5f674edc288dc8
SH256 hash:
19efdf03cb94895935225795f68bb9abfded1869687367013b8b4eee3cc99372
MD5 hash:
4e29f75c0c51b9dec76955f0382d9541
SHA1 hash:
4899aa8e3f57339cbaec8faab777897a76fe1c3a
SH256 hash:
ded20036d7f04d973bd84652e17af451d6914680b2f7691d65e8751e18d8bc49
MD5 hash:
4df7f6eb53104b287b7bb86d6e30dc75
SHA1 hash:
2069d95ec604a335311b4ff5979eb6bf26d82f4b
SH256 hash:
3f352445c521895812735acebb5f944cd1e88024cade5b201c562166619ffc9f
MD5 hash:
f5fe6435df7702338b1320b55f96caa4
SHA1 hash:
fab2bbc6e43cc01217673b2753e223099c3c297f
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:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
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 3f352445c521895812735acebb5f944cd1e88024cade5b201c562166619ffc9f

(this sample)

  
Delivery method
Distributed via web download

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 (HIGH_ENTROPY_VA)high

Comments



Avatar
zbet commented on 2024-05-13 07:18:32 UTC

url : hxxp://relay-02-static.network/rkei/Kntgugii.exe