MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 62261f31057f5a67f22ef2837b1750b9ac068825dc4e88b6cafa8fe65c8007e9. 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 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 62261f31057f5a67f22ef2837b1750b9ac068825dc4e88b6cafa8fe65c8007e9
SHA3-384 hash: fbfe0c4c3d169095112e8522659fb5ce944639cd7c262d6c840a7f6996f6f6fdb96a2bcb1826ce1bb8c68e446245caa5
SHA1 hash: 2607393455603c70d713886e90359866c22e095b
MD5 hash: 332705a9a18551e78877aab488a3e191
humanhash: crazy-cola-papa-johnny
File name:CY51PaymentAUG-38122-507-783-17531I-39UW-J471-3017-3C762-M732.exe
Download: download sample
Signature PureLogsStealer
Create hunting rule
File size:150'400 bytes
First seen:2024-08-19 08:06:35 UTC
Last seen:2024-08-19 08:29:02 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 3072:VqEVV+bm6lHR4dIK7f+8LO9uCX3tRlOPb:VqoV0lY9ZtAlGb
TLSH T14FE33AD5DFA8EB22C29E17F5E46D40108B718162E722DF99ACD897D5008274DDBC82EF
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):PE icon
dhash icon fad8b67260707216 (1 x PureLogsStealer)
Reporter cocaman
Tags:exe payment PureLogStealer

Intelligence

File Origin
# of uploads :
2
# of downloads :
372
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
CY51PaymentAUG-38122-507-783-17531I-39UW-J471-3017-3C762-M732.exe
Verdict:
Malicious activity
Analysis date:
2024-08-19 08:13:39 UTC
Tags:
netreactor purecrypter stealer
Link:
https://app.any.run/tasks/4ddc6859-aa98-4215-83f0-30b962f1729a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.RATX-gen.3392.2581.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66c2fd27aa5b40be0aa0808c
Tags:
Encryption Network Static Stealth
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade overlay packed
Link:
https://www.filescan.io/uploads/66c2fd2ac5b2e89b6665728b/reports/855a167d-62bc-403f-a5d5-f5f9786ad328/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/62261f31057f5a67f22ef2837b1750b9ac068825dc4e88b6cafa8fe65c8007e9
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:
Suspicious
Link:
https://analyze.intezer.com/analyses/8e192c9f-8f1d-45a2-be22-b4d82a897dab
Result
Threat name:
PureLog Stealer, zgRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1494817
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
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 dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample has a suspicious name (potential lure to open the executable)
Suricata IDS alerts 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)
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected PureLog Stealer
Yara detected zgRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1494817 Sample: CY51PaymentAUG-38122-507-78... Startdate: 19/08/2024 Architecture: WINDOWS Score: 100 30 azzuriehome.com 2->30 32 233.75.3.0.in-addr.arpa 2->32 46 Suricata IDS alerts for network traffic 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 Multi AV Scanner detection for submitted file 2->50 52 11 other signatures 2->52 8 kclippings.exe 14 2 2->8         started        11 CY51PaymentAUG-38122-507-783-17531I-39UW-J471-3017-3C762-M732.exe 15 4 2->11         started        signatures3 process4 dnsIp5 54 Multi AV Scanner detection for dropped file 8->54 56 Machine Learning detection for dropped file 8->56 58 Injects a PE file into a foreign processes 8->58 15 kclippings.exe 24 8->15         started        34 azzuriehome.com 209.74.95.146, 49733, 49740, 80 MULTIBAND-NEWHOPEUS United States 11->34 26 C:\Users\user\AppData\...\kclippings.exe, PE32 11->26 dropped 28 C:\Users\...\kclippings.exe:Zone.Identifier, ASCII 11->28 dropped 60 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 11->60 20 CY51PaymentAUG-38122-507-783-17531I-39UW-J471-3017-3C762-M732.exe 2 11->20         started        file6 signatures7 process8 dnsIp9 36 91.92.255.36, 3817, 55135, 55136 THEZONEBG Bulgaria 15->36 24 C:\Users\user\AppData\...\sqlite.interop.dll, PE32 15->24 dropped 38 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->38 40 Tries to steal Mail credentials (via file / registry access) 15->40 42 Found many strings related to Crypto-Wallets (likely being stolen) 15->42 44 2 other signatures 15->44 22 WerFault.exe 4 20->22         started        file10 signatures11 process12
Score:
58%
Verdict:
Susipicious
File Type:
PE
Link:
https://malprob.io/report/62261f31057f5a67f22ef2837b1750b9ac068825dc4e88b6cafa8fe65c8007e9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/62261f31057f5a67f22ef2837b1750b9ac068825dc4e88b6cafa8fe65c8007e9/
Threat name:
ByteCode-MSIL.Trojan.PureLogStealer
Create hunting rule
Status:
Malicious
First seen:
2024-08-19 07:44:31 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mitb6mifp5ngp4ro6kbxwf2qxgwancbf3rhirnwk7kh6mxeaa7uq._file
Verdict:
unknown
Result
Malware family:
n/a
Score:
  10/10
Tags:
collection discovery spyware stealer
Link:
https://tria.ge/reports/240819-jzze5swdrl/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Loads dropped DLL
Reads WinSCP keys stored on the system
Reads user/profile data of web browsers
Suspicious use of NtCreateUserProcessOtherParentProcess
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/301cc9a7-0411-436f-92a2-1aa59e22fef6
Unpacked files
SH256 hash:
62261f31057f5a67f22ef2837b1750b9ac068825dc4e88b6cafa8fe65c8007e9
MD5 hash:
332705a9a18551e78877aab488a3e191
SHA1 hash:
2607393455603c70d713886e90359866c22e095b
Detections:
PureCrypter_Stage1
Create hunting rule
Link:
https://www.unpac.me/results/e710f350-0d4e-4b6c-a6c9-21e68d3ba4cf/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/62261f31057f/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.57
Link:
https://yomi.yoroi.company/submissions/62261f31057f5a67f22ef2837b1750b9ac068825dc4e88b6cafa8fe65c8007e9

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
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: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

rar 4605cd4dd21529ccec49c2f04469d9effa627bd8415b73141c76c8a1eaecb603

PureLogsStealer

Executable exe 62261f31057f5a67f22ef2837b1750b9ac068825dc4e88b6cafa8fe65c8007e9

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 4605cd4dd21529ccec49c2f04469d9effa627bd8415b73141c76c8a1eaecb603
  
Dropped by
MD5 b1ea1084678edf20770176219b6348d2

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