MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4c0767a749b37a438dd94ec8a39bf47b3337af7204becca7292469a4dc37fa7f. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4c0767a749b37a438dd94ec8a39bf47b3337af7204becca7292469a4dc37fa7f
SHA3-384 hash: e8abcb825bf30033176ed4a42f37350ce83ef45847faaedf6b7af9d45e5a93e71f885561cd433376bf185d7bdf2a5047
SHA1 hash: d56c0101afc0f8f45f1a6b95db02062bcf8e68c5
MD5 hash: a96794a6ca19fdad88191277c42f1e7e
humanhash: fix-ink-arizona-pennsylvania
File name:file
Download: download sample
Signature PureLogsStealer
Create hunting rule
File size:58'368 bytes
First seen:2024-06-14 22:02:02 UTC
Last seen:2024-06-14 22:24:23 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 768:oiQfSGsfmycgGhpXIO/nB0zR3EXWmzP0gHyHM9X0Qd0vEwlf3bmiQTvXHI0/imC7:UzsOpid0YvEwFmVTvXo0/imClejU
TLSH T10643D6025BE66511E3BB2A7AA4B30221437B7A515C3EDB4E4DCC608C1FF77448929BE7
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 Bitsight
Tags:exe PureLogStealer


Avatar
Bitsight
url: https://vk.com/doc495573304_681521805?hash=y8a0FNEwuFz8y3oZZoZVVv4RRJ9sXzQXglfViE0RGko&dl=2Wj2deCmCEjzZEF5IkvA28zFnGccLqFBKFHZv3UsNJ4&api=1&no_preview=1#cer

Intelligence

File Origin
# of uploads :
2
# of downloads :
380
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
4c0767a749b37a438dd94ec8a39bf47b3337af7204becca7292469a4dc37fa7f.exe
Verdict:
Malicious activity
Analysis date:
2024-06-14 22:03:48 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/66eac1fb-92a5-4340-af7e-1a1112eb357d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.RATX-gen.19064.16164.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=666cbf239172918f990e82e0win7simulatehigh_evasion
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Using the Windows Management Instrumentation requests
Forced system process termination
Creating a file
Deleting a recently created file
Creating a process from a recently created file
Launching a process
Enabling autorun by creating a file
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/4c0767a749b37a438dd94ec8a39bf47b3337af7204becca7292469a4dc37fa7f
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/a83989ae-8599-4ada-98ed-1845c3b315c9
Result
Threat name:
PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1457567
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
AI detected suspicious sample
Bypasses PowerShell execution policy
Encrypted powershell cmdline option found
Injects a PE file into a foreign processes
Loading BitLocker PowerShell Module
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Silenttrinity Stager Msbuild Activity
Snort IDS alert for network traffic
Suspicious powershell command line found
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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: 1457567 Sample: file.exe Startdate: 15/06/2024 Architecture: WINDOWS Score: 100 32 panel.xxxx.uz 2->32 34 fp2e7a.wpc.phicdn.net 2->34 36 2 other IPs or domains 2->36 42 Snort IDS alert for network traffic 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 Yara detected PureLog Stealer 2->46 48 12 other signatures 2->48 7 Uri.exe 14 5 2->7         started        10 file.exe 14 9 2->10         started        14 powershell.exe 23 2->14         started        16 powershell.exe 2->16         started        signatures3 process4 dnsIp5 52 Machine Learning detection for dropped file 7->52 54 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 7->54 56 Writes to foreign memory regions 7->56 58 Injects a PE file into a foreign processes 7->58 18 MSBuild.exe 14 4 7->18         started        40 panel.xxxx.uz 46.226.160.88, 443, 49705, 49706 SKYNET-ASSkynetLTDEkaterinburgRussiaRU Russian Federation 10->40 26 C:\Users\user\AppData\Local\...\Uri.exe, PE32 10->26 dropped 28 C:\Users\user\AppData\Local\...\file.exe.log, ASCII 10->28 dropped 30 C:\Users\user\...\Uri.exe:Zone.Identifier, ASCII 10->30 dropped 60 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 10->60 62 Loading BitLocker PowerShell Module 14->62 22 conhost.exe 14->22         started        24 conhost.exe 16->24         started        file6 signatures7 process8 dnsIp9 38 1.r14n788iocyo5epmpy6klmejchjtzddoekjlnt6mu3qh4de2i.farm 77.221.140.76, 49708, 49710, 49711 INFOBOX-ASInfoboxruAutonomousSystemRU Russian Federation 18->38 50 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 18->50 signatures10
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/4c0767a749b37a438dd94ec8a39bf47b3337af7204becca7292469a4dc37fa7f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4c0767a749b37a438dd94ec8a39bf47b3337af7204becca7292469a4dc37fa7f/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Suspicious
First seen:
2024-06-14 22:03:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
20 of 38 (52.63%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jqdwpj2jwn5ehdozj3ekhg7upmztpl3sas7mzjzjeru2jxbx7j7q._file
Verdict:
malicious
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/240614-1xs9saxfnh/
Behaviour
Suspicious use of AdjustPrivilegeToken
Unpacked files
SH256 hash:
4c0767a749b37a438dd94ec8a39bf47b3337af7204becca7292469a4dc37fa7f
MD5 hash:
a96794a6ca19fdad88191277c42f1e7e
SHA1 hash:
d56c0101afc0f8f45f1a6b95db02062bcf8e68c5
Detections:
PureCrypter_Stage1
Create hunting rule
Link:
https://www.unpac.me/results/23e5d5c0-2b17-49d1-ad43-11db6e871e80/
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/4c0767a749b37a438dd94ec8a39bf47b3337af7204becca7292469a4dc37fa7f

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.

Web download

PureLogsStealer

Executable exe 4c0767a749b37a438dd94ec8a39bf47b3337af7204becca7292469a4dc37fa7f

(this sample)

  
Dropped by
Privateloader
  
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 (GUARD_CF)high

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