MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4b9ea22762116e1cefd76324d88dfd5fe9f1d004719452f9d5416f9b5471a7f7. 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: 11


Intelligence 11 IOCs YARA 4 File information Comments
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SHA256 hash: 4b9ea22762116e1cefd76324d88dfd5fe9f1d004719452f9d5416f9b5471a7f7
SHA3-384 hash: 29ea5fded1b270ae3b80a5d484a51ca578dc532492a23030dfa206f794057e68d1cc0258b3f457c912216c1236b402bd
SHA1 hash: c3289edad2ae333073787633cc72f6918d3b2c9b
MD5 hash: 23a7c20a637c4673a3a7eab137f5ad2f
humanhash: fruit-mexico-mango-beryllium
File name:SH20240622902.scr
Download: download sample
Signature PureLogsStealer
Create hunting rule
File size:52'224 bytes
First seen:2024-09-24 14:22:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 768:Id0eXMT2NTezaa/Gx2CTfnhzy+1hJufgTs8q+/F25yn9qI:c0eco4YTAgTsd+/Eon9H
TLSH T1FB338314234E5F1FCA8C1E797A9AD20116758D9BE403F7976AD4FDA40C3E7AA1C406F2
TrID 56.5% (.EXE) Win64 Executable (generic) (10523/12/4)
11.0% (.ICL) Windows Icons Library (generic) (2059/9)
10.9% (.EXE) OS/2 Executable (generic) (2029/13)
10.7% (.EXE) Generic Win/DOS Executable (2002/3)
10.7% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
File icon (PE):PE icon
dhash icon fcf8dcccccd4e4cc (2 x PureCrypter, 1 x PureLogsStealer)
Reporter vm001cn
Tags:exe PureLogStealer

Intelligence

File Origin
# of uploads :
1
# of downloads :
412
Origin country :
HK HK
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SH20240622902.zip
Verdict:
Malicious activity
Analysis date:
2024-09-24 14:18:43 UTC
Tags:
opendir netreactor purecrypter purelogs stealer
Link:
https://app.any.run/tasks/91fdba7e-f53e-4363-867b-07df7e2cfca2

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win64.PWSX-gen.12586.14780.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66f2cb488aca58c2b2c7163a
Tags:
Network Stealth Tori Msil Hype
Result
Verdict:
Clean
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Connection attempt
Sending an HTTP GET request
Verdict:
Unknown
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade overlay
Link:
https://www.filescan.io/uploads/66f2cb4932f56cd534848bca/reports/37413878-02b6-4b9c-acfa-998c3ad5e651/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/4b9ea22762116e1cefd76324d88dfd5fe9f1d004719452f9d5416f9b5471a7f7
Result
Verdict:
UNKNOWN
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/1e276260-6db5-4d13-b8e7-a59e1d3444a0
Result
Threat name:
PureLog Stealer, zgRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1516878
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
Creates autostart registry keys with suspicious names
Downloads files with wrong headers with respect to MIME Content-Type
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
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 dropped file
Multi AV Scanner detection for submitted file
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)
Writes to foreign memory regions
Yara detected Costura Assembly Loader
Yara detected PureLog Stealer
Yara detected zgRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1516878 Sample: SH20240622902.scr.exe Startdate: 24/09/2024 Architecture: WINDOWS Score: 100 45 google.com 2->45 47 228.17.5.0.in-addr.arpa 2->47 63 Suricata IDS alerts for network traffic 2->63 65 Malicious sample detected (through community Yara rule) 2->65 67 Multi AV Scanner detection for submitted file 2->67 69 9 other signatures 2->69 7 SH20240622902.scr.exe 15 4 2->7         started        12 dotnet-sdk-8.0.401-win-x64.exe 14 2 2->12         started        14 dotnet-sdk-8.0.401-win-x64.exe 2 2->14         started        signatures3 process4 dnsIp5 49 google.com 172.217.23.110 GOOGLEUS United States 7->49 51 160.25.72.207, 49730, 49739, 49740 GIGAINFRASoftbankBBCorpJP unknown 7->51 39 C:\Users\...\dotnet-sdk-8.0.401-win-x64.exe, PE32+ 7->39 dropped 41 dotnet-sdk-8.0.401...exe:Zone.Identifier, ASCII 7->41 dropped 71 Found many strings related to Crypto-Wallets (likely being stolen) 7->71 73 Creates autostart registry keys with suspicious names 7->73 75 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->75 16 InstallUtil.exe 7 7->16         started        21 InstallUtil.exe 7->21         started        23 InstallUtil.exe 7->23         started        31 5 other processes 7->31 77 Multi AV Scanner detection for dropped file 12->77 79 Writes to foreign memory regions 12->79 81 Modifies the context of a thread in another process (thread injection) 12->81 25 InstallUtil.exe 12->25         started        27 InstallUtil.exe 12->27         started        33 6 other processes 12->33 83 Injects a PE file into a foreign processes 14->83 29 InstallUtil.exe 14->29         started        35 7 other processes 14->35 file6 signatures7 process8 dnsIp9 43 193.34.212.15, 32101, 49737, 49738 PL-SKYTECH-ASPL Poland 16->43 37 C:\Users\user\AppData\...\sqlite.interop.dll, PE32+ 16->37 dropped 53 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->53 55 Tries to steal Mail credentials (via file / registry access) 16->55 57 Found many strings related to Crypto-Wallets (likely being stolen) 16->57 59 Tries to harvest and steal Bitcoin Wallet information 25->59 61 Tries to harvest and steal browser information (history, passwords, etc) 29->61 file10 signatures11
Score:
88%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/4b9ea22762116e1cefd76324d88dfd5fe9f1d004719452f9d5416f9b5471a7f7
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4b9ea22762116e1cefd76324d88dfd5fe9f1d004719452f9d5416f9b5471a7f7/
Threat name:
ByteCode-MSIL.Trojan.SnakeKeylogger
Create hunting rule
Status:
Malicious
First seen:
2024-09-24 14:23:05 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
7
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jopkej3ccfxbz36xmmsnrdp5l7u7duaeogkff6ovifxzwvdru73q._file
Result
Malware family:
n/a
Score:
  10/10
Tags:
collection persistence
Link:
https://tria.ge/reports/240924-rp5heasbqc/
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
Loads dropped DLL
Suspicious use of NtCreateUserProcessOtherParentProcess
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/9c5ac5e6-452e-4cdd-a7c5-a9b502c82013
Unpacked files
SH256 hash:
4b9ea22762116e1cefd76324d88dfd5fe9f1d004719452f9d5416f9b5471a7f7
MD5 hash:
23a7c20a637c4673a3a7eab137f5ad2f
SHA1 hash:
c3289edad2ae333073787633cc72f6918d3b2c9b
Detections:
SUSP_OBF_NET_Eazfuscator_String_Encryption_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/2d84645e-2ff3-4d0c-82e5-9e5041b6d37d/
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/4b9ea22762116e1cefd76324d88dfd5fe9f1d004719452f9d5416f9b5471a7f7

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: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.

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