MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4e0b653a92bc80b91eb6797f5b5d252710790117dd5fb0038ba15e36a58a4da3. 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: 13


Intelligence 13 IOCs YARA 4 File information Comments

SHA256 hash: 4e0b653a92bc80b91eb6797f5b5d252710790117dd5fb0038ba15e36a58a4da3
SHA3-384 hash: 3ae276000628e6dde97910d6d8986907dd939cc580c931fe5115e137e4dac2d02581ace93bb680dc5a2f4e2c047dc0fc
SHA1 hash: 2af5b2bc82da12e4b0936b306fbc6278ec71dd7d
MD5 hash: 13f6cb00f23e051412072d9fd3763299
humanhash: august-oxygen-foxtrot-march
File name:TS-240511-UF1.exe
Download: download sample
Signature PureLogsStealer
File size:1'548'288 bytes
First seen:2024-05-11 23:37:09 UTC
Last seen:2024-05-12 00:24:24 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:c537wDOVyNIBPC60IFOoG8xujdQkS2tfzyMb+k4yKMkgM15539iJdH:c53rVeIRC69IbSkzyA54yjk15DUt
Threatray 270 similar samples on MalwareBazaar
TLSH T1686502823145DCDAE04329F614AFC56061B4BDDF9168CA0D3B43BB2BA5E7353249B78E
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 f29296968e9e9ea6 (60 x AgentTesla, 37 x RedLineStealer, 35 x Formbook)
Reporter kafan_shengui
Tags:exe PureLogStealer

Intelligence


File Origin
# of uploads :
2
# of downloads :
302
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
4e0b653a92bc80b91eb6797f5b5d252710790117dd5fb0038ba15e36a58a4da3.exe
Verdict:
Malicious activity
Analysis date:
2024-05-11 23:40:26 UTC
Tags:
purecrypter purelogs

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 window
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Connection attempt
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
packed
Result
Threat name:
PureLog Stealer
Detection:
malicious
Classification:
troj.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
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
Loading BitLocker PowerShell Module
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
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 schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1440102 Sample: TS-240511-UF1.exe Startdate: 12/05/2024 Architecture: WINDOWS Score: 100 42 75.103.13.0.in-addr.arpa 2->42 46 Antivirus / Scanner detection for submitted sample 2->46 48 Sigma detected: Scheduled temp file as task from temp location 2->48 50 Multi AV Scanner detection for submitted file 2->50 52 9 other signatures 2->52 8 TS-240511-UF1.exe 7 2->8         started        12 gZjsXqzEFc.exe 2->12         started        signatures3 process4 file5 38 C:\Users\user\AppData\...\gZjsXqzEFc.exe, PE32 8->38 dropped 40 C:\Users\user\AppData\Local\Temp\tmpBCC.tmp, XML 8->40 dropped 54 Uses schtasks.exe or at.exe to add and modify task schedules 8->54 56 Adds a directory exclusion to Windows Defender 8->56 58 Injects a PE file into a foreign processes 8->58 14 TS-240511-UF1.exe 18 8->14         started        18 powershell.exe 23 8->18         started        20 powershell.exe 23 8->20         started        26 2 other processes 8->26 60 Antivirus detection for dropped file 12->60 62 Multi AV Scanner detection for dropped file 12->62 64 Machine Learning detection for dropped file 12->64 22 schtasks.exe 12->22         started        24 gZjsXqzEFc.exe 12->24         started        signatures6 process7 dnsIp8 44 65.21.66.211, 49733, 49736, 62520 CP-ASDE United States 14->44 66 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->66 68 Tries to steal Mail credentials (via file / registry access) 14->68 70 Found many strings related to Crypto-Wallets (likely being stolen) 14->70 74 3 other signatures 14->74 72 Loading BitLocker PowerShell Module 18->72 28 conhost.exe 18->28         started        30 WmiPrvSE.exe 18->30         started        32 conhost.exe 20->32         started        34 conhost.exe 22->34         started        36 conhost.exe 26->36         started        signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.PureLogStealer
Status:
Malicious
First seen:
2024-05-09 13:04:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
25
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
collection execution spyware stealer
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Checks computer location settings
Reads WinSCP keys stored on the system
Reads user/profile data of web browsers
Command and Scripting Interpreter: PowerShell
Unpacked files
SH256 hash:
18ad9a1f6f49114952e7e6d8db51b3764a4384fd51e69ae5e25da96313e356a3
MD5 hash:
a7f27ac22ea37e8df6e3295b534677c9
SHA1 hash:
fc2760ba69d5a87234a0a47a827b23769602b76a
SH256 hash:
fb15de88d47c09c7b0662dec8acf523006755b1121d33557e6d37d373d45983e
MD5 hash:
cbcd144db32c976a5f9a1ed294baac99
SHA1 hash:
e7ce704c56429639a204a0b2daf432129d7f0739
SH256 hash:
5b42861d0e0152c8de892269c81253ae9aa355ca625371e12f0df5cea0885f35
MD5 hash:
38e7fe0327acead397733bb132b597b7
SHA1 hash:
5ea20d755b195bde40e7a1a0aaa9dfb02d98d43d
SH256 hash:
70cb75e5a52a9f05d69ffec276adc5c020d50285e944e7843f159f10b5587799
MD5 hash:
7d5aa4db6857d3044f9174f817ddf147
SHA1 hash:
e19354915ead920a398526abd5ec117933ca324f
SH256 hash:
e4571eebd0019846f1595b815a3fae2af4efb990db652fb28ced60cab88c67d3
MD5 hash:
162b95e3a2faf13f4ddc01ebc6bb2cdb
SHA1 hash:
d1a0a1619e44b9e0a789bde5b57d138d4c89163d
SH256 hash:
295be96347c3ee2a2ba7f10e88267274d7b0c5cd7dcf14108f76ac03c5130520
MD5 hash:
35292829892ad204f2eb60fe087d3d3c
SHA1 hash:
c1729353c32c4620a835dd417076a2413fc8f675
Detections:
INDICATOR_EXE_Packed_SmartAssembly
Parent samples :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 hash:
4909093c1045073940daf73778f88ce3e5d4dcbc0d69e3498ad4672c2e699013
MD5 hash:
28b43a10958caef0465f7b93be0a0d77
SHA1 hash:
9c85c1cb7f6face0a6c8d0a2d2314a99092d6554
SH256 hash:
4e0b653a92bc80b91eb6797f5b5d252710790117dd5fb0038ba15e36a58a4da3
MD5 hash:
13f6cb00f23e051412072d9fd3763299
SHA1 hash:
2af5b2bc82da12e4b0936b306fbc6278ec71dd7d
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.

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

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