MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1f64bc9469a33c77561e22beea18d9bbdd343dae89bc6f02bc85e24873d93f4e. 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 6 File information Comments

SHA256 hash: 1f64bc9469a33c77561e22beea18d9bbdd343dae89bc6f02bc85e24873d93f4e
SHA3-384 hash: ee62d6ea70214d6432c73cc48431a09000db83d42c1f39ffb2b18474eb8b983740c439c49e692b9b987ce6b6927d35dd
SHA1 hash: d7a518d0d6eae7732a59c6a7c397f0777d111255
MD5 hash: 2fa8c24b42f6542a290d85a9a3723e2a
humanhash: spring-fillet-carpet-fix
File name:2fa8c24b42f6542a290d85a9a3723e2a.exe
Download: download sample
Signature PureLogsStealer
File size:336'520 bytes
First seen:2024-03-03 18:27:56 UTC
Last seen:2024-03-03 20:42:09 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 6144:3eY+jinF8jE9sKKegRcd2cS8ADT+5amtQuicddRp:fJf5vr9AuYOp
TLSH T182649E548297C933C79C4B74E4C6E106A7FA4247B402EF4EA07C35D29A163D2EB53A7B
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)
Reporter abuse_ch
Tags:exe PureLogStealer

Intelligence


File Origin
# of uploads :
2
# of downloads :
329
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a file
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Reading critical registry keys
Using the Windows Management Instrumentation requests
Sending an HTTP GET request
Creating a window
Forced shutdown of a system process
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
net_reactor overlay packed packed
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.
Result
Threat name:
PureLog Stealer, Xehook Stealer
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
Allocates memory in foreign processes
Antivirus detection for URL or domain
Contains functionality to inject code into remote processes
Found C&C like URL pattern
Injects a PE file into a foreign processes
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Writes to foreign memory regions
Yara detected PureLog Stealer
Yara detected Xehook Stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1402213 Sample: AGzjzxidtZ.exe Startdate: 03/03/2024 Architecture: WINDOWS Score: 100 26 trecube.com 2->26 28 ip-api.com 2->28 40 Multi AV Scanner detection for domain / URL 2->40 42 Antivirus detection for URL or domain 2->42 44 Multi AV Scanner detection for submitted file 2->44 46 5 other signatures 2->46 9 AGzjzxidtZ.exe 2 2->9         started        signatures3 process4 signatures5 48 Contains functionality to inject code into remote processes 9->48 50 Writes to foreign memory regions 9->50 52 Allocates memory in foreign processes 9->52 54 Injects a PE file into a foreign processes 9->54 12 RegAsm.exe 15 6 9->12         started        16 conhost.exe 9->16         started        process6 dnsIp7 32 trecube.com 104.21.35.168, 443, 49700, 49701 CLOUDFLARENETUS United States 12->32 34 ip-api.com 208.95.112.1, 49702, 80 TUT-ASUS United States 12->34 56 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 12->56 58 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 12->58 60 Tries to harvest and steal ftp login credentials 12->60 62 Tries to harvest and steal browser information (history, passwords, etc) 12->62 18 cmd.exe 1 12->18         started        signatures8 process9 signatures10 36 Uses ping.exe to sleep 18->36 38 Uses ping.exe to check the status of other devices and networks 18->38 21 PING.EXE 1 18->21         started        24 conhost.exe 18->24         started        process11 dnsIp12 30 127.0.0.1 unknown unknown 21->30
Threat name:
ByteCode-MSIL.Trojan.LummaStealer
Status:
Malicious
First seen:
2024-03-03 18:28:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:zgrat rat spyware stealer
Behaviour
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Looks up external IP address via web service
Checks computer location settings
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Detect ZGRat V1
ZGRat
Unpacked files
SH256 hash:
e9e95f125951f00c66be8044948b9d84d1fba0137c2a5bf47b459dc41a1a6845
MD5 hash:
f79a49d7760f3ff1933e209af5a080f9
SHA1 hash:
dabbacfb32347bf04e5a31d5a12e2d0d89d87ff7
Detections:
INDICATOR_EXE_Packed_ConfuserEx MSIL_SUSP_OBFUSC_XorStringsNet
SH256 hash:
1f64bc9469a33c77561e22beea18d9bbdd343dae89bc6f02bc85e24873d93f4e
MD5 hash:
2fa8c24b42f6542a290d85a9a3723e2a
SHA1 hash:
d7a518d0d6eae7732a59c6a7c397f0777d111255
Please note that we are no longer able to provide a coverage score for Virus Total.

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:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Author:malware-lu
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:pe_imphash
Rule name:PE_Potentially_Signed_Digital_Certificate
Author:albertzsigovits
Rule name:Skystars_Malware_Imphash
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 1f64bc9469a33c77561e22beea18d9bbdd343dae89bc6f02bc85e24873d93f4e

(this sample)

  
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

Comments