MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1b1b9cad3a2bd2c8bdabd5677e3c5043f66d8cdb46c2825e27b051d48e0afa8d. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1b1b9cad3a2bd2c8bdabd5677e3c5043f66d8cdb46c2825e27b051d48e0afa8d
SHA3-384 hash: 0d46d3519b60ece6d09e3380961a7dff76b451718402cc4b5ce894e54921ce7fe8a52225932c51250bb0127eeaf06c5b
SHA1 hash: 215cf39538affa65c8f586f30e5f133cbd950c52
MD5 hash: 14e3b32935d7cc340ad1af8eae56505b
humanhash: edward-william-mountain-triple
File name:SecuriteInfo.com.Trojan.DownLoaderNET.960.20799.14959
Download: download sample
Signature PureLogsStealer
Create hunting rule
File size:184'616 bytes
First seen:2024-04-19 05:20:52 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 3072:2h8lttZlbxs7vPfZSfvF1LicLRXP4p9fNvU9iPT3FxFzn+9Uc:2I7Vxs7vPfInDWc1PI91U9ir3FxFz+
Threatray 1'390 similar samples on MalwareBazaar
TLSH T163041AE843AD8936C3DD0736E6D31AD58BF6C623F18AEF977D8128F56D133805A02196
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)
File icon (PE):PE icon
dhash icon 696a6ee2b2b2c2cc (18 x RedLineStealer, 17 x LummaStealer, 16 x CoinMiner)
Reporter SecuriteInfoCom
Tags:exe PureLogStealer

Intelligence

File Origin
# of uploads :
1
# of downloads :
328
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
1b1b9cad3a2bd2c8bdabd5677e3c5043f66d8cdb46c2825e27b051d48e0afa8d.exe
Verdict:
Malicious activity
Analysis date:
2024-04-19 05:25:15 UTC
Tags:
opendir pureloader purecrypter loader zgrat pureminer
Link:
https://app.any.run/tasks/e2a7fe3d-bcc3-4d8f-8abd-c115cc662e92

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Connection attempt
Sending an HTTP GET request
Restart of the analyzed sample
Creating a process with a hidden window
Creating a file
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Forced system process termination
Creating a process from a recently created file
Unauthorized injection to a recently created process
Enabling autorun by creating a file
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay
Link:
https://www.filescan.io/uploads/6621ff4954bafb7d21d317ae/reports/6432473b-e0b0-4009-8574-c3e3674dc16f/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/1b1b9cad3a2bd2c8bdabd5677e3c5043f66d8cdb46c2825e27b051d48e0afa8d
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:
Malicious
Link:
https://analyze.intezer.com/analyses/b444d797-c112-4904-ab25-ec1c01350d25
Result
Threat name:
PureLog Stealer, Xmrig, zgRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1428540
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
Connects to many ports of the same IP (likely port scanning)
Detected Stratum mining protocol
Downloads files with wrong headers with respect to MIME Content-Type
Encrypted powershell cmdline option found
Found strings related to Crypto-Mining
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)
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Query firmware table information (likely to detect VMs)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Xmrig
Suspicious powershell command line found
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Yara detected PureLog Stealer
Yara detected Xmrig cryptocurrency miner
Yara detected zgRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1428540 Sample: SecuriteInfo.com.Trojan.Dow... Startdate: 19/04/2024 Architecture: WINDOWS Score: 100 57 miliutyhgdue.duckdns.org 2->57 59 juytlioojbni.duckdns.org 2->59 61 bnfjdbhgo.duckdns.org 2->61 77 Sigma detected: Xmrig 2->77 79 Multi AV Scanner detection for domain / URL 2->79 81 Malicious sample detected (through community Yara rule) 2->81 85 18 other signatures 2->85 11 AlgorithmType.exe 14 3 2->11         started        14 SecuriteInfo.com.Trojan.DownLoaderNET.960.20799.14959.exe 14 3 2->14         started        17 AlgorithmType.exe 2->17         started        19 powershell.exe 23 2->19         started        signatures3 83 Uses dynamic DNS services 61->83 process4 dnsIp5 113 Antivirus detection for dropped file 11->113 115 Multi AV Scanner detection for dropped file 11->115 117 Machine Learning detection for dropped file 11->117 21 AlgorithmType.exe 2 11->21         started        69 juytlioojbni.duckdns.org 91.92.246.15, 49722, 49723, 49724 THEZONEBG Bulgaria 14->69 119 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 14->119 121 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 14->121 123 Modifies the context of a thread in another process (thread injection) 14->123 24 SecuriteInfo.com.Trojan.DownLoaderNET.960.20799.14959.exe 5 14->24         started        125 Injects a PE file into a foreign processes 17->125 27 AlgorithmType.exe 17->27         started        127 Loading BitLocker PowerShell Module 19->127 29 WmiPrvSE.exe 19->29         started        31 conhost.exe 19->31         started        signatures6 process7 file8 87 Writes to foreign memory regions 21->87 89 Modifies the context of a thread in another process (thread injection) 21->89 91 Injects a PE file into a foreign processes 21->91 33 AddInUtil.exe 21->33         started        55 C:\Users\user\AppData\...\AlgorithmType.exe, PE32+ 24->55 dropped signatures9 process10 signatures11 71 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 33->71 73 Modifies the context of a thread in another process (thread injection) 33->73 75 Injects a PE file into a foreign processes 33->75 36 AddInUtil.exe 33->36         started        process12 dnsIp13 63 miliutyhgdue.duckdns.org 91.92.253.47, 39001, 49726, 49727 THEZONEBG Bulgaria 36->63 65 bnfjdbhgo.duckdns.org 91.92.254.152, 49728, 49731, 80 THEZONEBG Bulgaria 36->65 53 C:\Users\user\AppData\Local\...\igcfxun.exe, PE32 36->53 dropped 93 Writes to foreign memory regions 36->93 95 Modifies the context of a thread in another process (thread injection) 36->95 97 Injects a PE file into a foreign processes 36->97 41 igcfxun.exe 36->41         started        44 AddInProcess.exe 36->44         started        47 AddInProcess.exe 36->47         started        49 24 other processes 36->49 file14 signatures15 process16 dnsIp17 99 Antivirus detection for dropped file 41->99 101 Multi AV Scanner detection for dropped file 41->101 103 Writes to foreign memory regions 41->103 105 Injects a PE file into a foreign processes 41->105 51 RegAsm.exe 41->51         started        67 91.92.246.62, 39005, 49739, 49740 THEZONEBG Bulgaria 44->67 107 Query firmware table information (likely to detect VMs) 44->107 109 Found strings related to Crypto-Mining 44->109 signatures18 111 Detected Stratum mining protocol 67->111 process19
Score:
93%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/1b1b9cad3a2bd2c8bdabd5677e3c5043f66d8cdb46c2825e27b051d48e0afa8d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1b1b9cad3a2bd2c8bdabd5677e3c5043f66d8cdb46c2825e27b051d48e0afa8d/
Threat name:
ByteCode-MSIL.Trojan.PureLogStealer
Create hunting rule
Status:
Malicious
First seen:
2024-04-10 07:19:07 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
13
AV detection:
24 of 37 (64.86%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=dmnzzlj2fpjmrpnl2vtx4pcqip3g3dg3i3biexrhwbi5jdqk7kgq._file
Verdict:
malicious
Similar samples:
35b3427883c0b04f7b8be643ae1d4403e1908bae3fb09c1965a560e2bf63b3fb
PureLogsStealer
40c251a8afb49d3b567a370e67ca7861a4cc2008c7deef39c3739284c1b7e3e8
PureLogsStealer
5bca86ec4ed35175dd33db2943f1fc7839ae3565229fc5fd9227bbd9f0aa637b
PureLogsStealer
b20de9452f77b912c49bd307cc1e2550abb4e17d8497655e64ed0883ce4cfcbe
PureLogsStealer
c0b6adfcdd28e92ed598fe851e647c6f12bb7ea6c50592e16864898143eae76e
PureLogsStealer
+ 1'380 additional samples on MalwareBazaar
Result
Malware family:
zgrat
Create hunting rule
Score:
  10/10
Tags:
family:zgrat rat
Link:
https://tria.ge/reports/240419-f1z7aaah5v/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Suspicious use of SetThreadContext
Executes dropped EXE
Detect ZGRat V1
ZGRat
Unpacked files
SH256 hash:
1b1b9cad3a2bd2c8bdabd5677e3c5043f66d8cdb46c2825e27b051d48e0afa8d
MD5 hash:
14e3b32935d7cc340ad1af8eae56505b
SHA1 hash:
215cf39538affa65c8f586f30e5f133cbd950c52
Link:
https://www.unpac.me/results/c05c7eea-cf66-45c8-a211-22496e12f079/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1b1b9cad3a2b/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.60
Link:
https://yomi.yoroi.company/submissions/1b1b9cad3a2bd2c8bdabd5677e3c5043f66d8cdb46c2825e27b051d48e0afa8d

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_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.

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