MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 497eeb3168cb37414e2ab036f6e35d3d3d49f6538314a856e767b630be57b142. 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: 14


Intelligence 14 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 497eeb3168cb37414e2ab036f6e35d3d3d49f6538314a856e767b630be57b142
SHA3-384 hash: 0597442ca8fd60c351c6b7eb52f98126bc7c5b1e69309be6259305dd4ea13e1625f99ea723fdc8ef62112e903de4d623
SHA1 hash: 863d576dcd8302e12e705e3e9e90c13b1d2c6298
MD5 hash: bd7c3894947d467e9f5e543eebf0a942
humanhash: east-nebraska-red-burger
File name:Updated PO-91487 New order to ship with RVM.exe
Download: download sample
Signature PureLogsStealer
Create hunting rule
File size:6'144 bytes
First seen:2024-06-04 12:24:36 UTC
Last seen:2024-06-04 13:30:13 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 96:jfi3Dosi5N+tFHLpuhC5Uk4JDAXfz6xMrG7zNt:jfMDoN5N+tFLpuhC5/4JD0LH2
Threatray 1'945 similar samples on MalwareBazaar
TLSH T1B5C1C511F3E8933AD9B647B59CB3924113B4F76129A7DB5F38CC150B6C227240B22B79
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 threatcat_ch
Tags:exe PureLogStealer

Intelligence

File Origin
# of uploads :
2
# of downloads :
349
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Updated PO-91487 New order to ship with RVM.exe
Verdict:
Malicious activity
Analysis date:
2024-06-04 08:43:39 UTC
Tags:
payload purecrypter purelogs stealer exfiltration
Link:
https://app.any.run/tasks/b156e24e-cc99-4ef0-8291-bfc5be3dbe2a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.21600.25132.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=665f1f4bab69e84d6a2f5f90win7simulatehigh_evasion
Tags:
Network Stealth Msil
Result
Verdict:
Clean
Maliciousness:

Behaviour
Сreating synchronization primitives
Connection attempt
Sending an HTTP GET request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
88%
Tags:
masquerade
Link:
https://www.filescan.io/uploads/665f07a19fd5f9d5920edf22/reports/e6df6fbe-a492-4369-b5db-6c496877826d/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/497eeb3168cb37414e2ab036f6e35d3d3d49f6538314a856e767b630be57b142
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:
Pure Logs Stealer
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2595e3d7-4d52-49cc-8220-275f29bbc350
Result
Threat name:
PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1451705
Signature
.NET source code contains potential unpacker
AI detected suspicious sample
Allocates memory in foreign processes
Downloads files with wrong headers with respect to MIME Content-Type
Found many strings related to Crypto-Wallets (likely being stolen)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1451705 Sample: Updated PO-91487 New order ... Startdate: 04/06/2024 Architecture: WINDOWS Score: 100 32 54.229.13.0.in-addr.arpa 2->32 46 Snort IDS alert for network traffic 2->46 48 Multi AV Scanner detection for submitted file 2->48 50 Yara detected PureLog Stealer 2->50 52 7 other signatures 2->52 7 Updated PO-91487 New order to ship with RVM.exe 15 5 2->7         started        12 Skype.exe 14 3 2->12         started        14 Skype.exe 2->14         started        signatures3 process4 dnsIp5 34 155.94.210.73, 49711, 49716, 49722 ASN-QUADRANET-GLOBALUS United States 7->34 24 C:\Users\user\AppData\Roaming\Skype.exe, PE32 7->24 dropped 26 C:\Users\user\...\Skype.exe:Zone.Identifier, ASCII 7->26 dropped 28 Updated PO-91487 N...ip with RVM.exe.log, ASCII 7->28 dropped 54 Found many strings related to Crypto-Wallets (likely being stolen) 7->54 56 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->56 16 InstallUtil.exe 21 7->16         started        58 Multi AV Scanner detection for dropped file 12->58 60 Writes to foreign memory regions 12->60 62 Allocates memory in foreign processes 12->62 64 Injects a PE file into a foreign processes 12->64 20 InstallUtil.exe 20 12->20         started        22 InstallUtil.exe 14->22         started        file6 signatures7 process8 dnsIp9 30 93.123.39.147, 49713, 49717, 49723 NET1-ASBG Bulgaria 16->30 36 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->36 38 Tries to steal Mail credentials (via file / registry access) 16->38 40 Found many strings related to Crypto-Wallets (likely being stolen) 16->40 42 Tries to harvest and steal browser information (history, passwords, etc) 22->42 44 Tries to harvest and steal Bitcoin Wallet information 22->44 signatures10
Score:
95%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/497eeb3168cb37414e2ab036f6e35d3d3d49f6538314a856e767b630be57b142
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/497eeb3168cb37414e2ab036f6e35d3d3d49f6538314a856e767b630be57b142/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2024-06-04 00:58:47 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
15 of 38 (39.47%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jf7owmlizm3uctrkwa3pny25hu6ut5stqmkkqvxhm63dbpsxwfba._file
Verdict:
malicious
Similar samples:
2dbb5600aafa414a7760510392452e0bc0e4bd93732bed755412f8d5e5920814
PureLogsStealer
46881e86cabd9d39cb7b57e9a85f2007c1c8fece41e3b5edd74c12f38c4acba9
PureLogsStealer
497eeb3168cb37414e2ab036f6e35d3d3d49f6538314a856e767b630be57b142
PureLogsStealer
4ec050b4dfd931ed6d30256b3ed1d042f313860da23e7ca064aaf95ad83e257e
PureLogsStealer
4ec1b5596d15961ecedf88837726a92d4bd067d01f0ac77ca7d9875f324a6be8
PureLogsStealer
5a3ef9e8a2ea282253a57ab68f75caa9144c606725e57a37b8cfe83cc63db191
PureLogsStealer
9387f4d0d04d48e9bdb9cbcb6edd9b2567fc50b0b5752c05b507c6953b33c742
PureLogsStealer
e0c0a69f8f756b3ab1bc1bf2f5537dbb36a4057f5b1672729cd320d7ac343d62
PureLogsStealer
+ 1'935 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  6/10
Tags:
collection persistence
Link:
https://tria.ge/reports/240604-pllvsagd69/
Behaviour
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
Adds Run key to start application
Unpacked files
SH256 hash:
497eeb3168cb37414e2ab036f6e35d3d3d49f6538314a856e767b630be57b142
MD5 hash:
bd7c3894947d467e9f5e543eebf0a942
SHA1 hash:
863d576dcd8302e12e705e3e9e90c13b1d2c6298
Detections:
PureCrypter_Stage1
Create hunting rule
Link:
https://www.unpac.me/results/0360469a-7f6f-420b-9a3b-4c4e009f5da9/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/497eeb3168cb/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.97
Link:
https://yomi.yoroi.company/submissions/497eeb3168cb37414e2ab036f6e35d3d3d49f6538314a856e767b630be57b142

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
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
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.

Malspam

PureLogsStealer

Executable exe 497eeb3168cb37414e2ab036f6e35d3d3d49f6538314a856e767b630be57b142

(this sample)

  
Delivery method
Distributed via e-mail attachment

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