MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1cda59eb5354916638951536a55dab27affcea3dd5e7f65c483ea8234eb37a1e. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments

SHA256 hash: 1cda59eb5354916638951536a55dab27affcea3dd5e7f65c483ea8234eb37a1e
SHA3-384 hash: 542a05ae65f8fcb0a3ab15501a1a904ba7f8569fb1cb71efd275902464453329bd751d6b064b01f3da64cc1104ac57c6
SHA1 hash: 626bc5c5b386e9715e313773695d81d472645364
MD5 hash: 043a5e4b6c220249b1cf976abcfce235
humanhash: mars-wyoming-burger-indigo
File name:build.exe
Download: download sample
Signature PureLogsStealer
File size:1'276'416 bytes
First seen:2025-04-26 18:09:54 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash d6937b39d566e5795f3eb7422ac303be (21 x LummaStealer, 2 x DarkCloud, 1 x CoinMiner)
ssdeep 24576:nBsmPUtKznnwyxV7C3t6AntKznnwyxV7C3t6A:BnEQxV7CftQxV7Cf
TLSH T1CC451254A2F205F6ED8780798A4551117833BD278375DAAF46F0F31A2E6B3C46E3DBA0
TrID 63.5% (.EXE) Win64 Executable (generic) (10522/11/4)
12.2% (.EXE) OS/2 Executable (generic) (2029/13)
12.0% (.EXE) Generic Win/DOS Executable (2002/3)
12.0% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
Reporter Yuyuko_Saigyouji
Tags:exe PureLogStealer

Intelligence


File Origin
# of uploads :
1
# of downloads :
567
Origin country :
CA CA
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
qL7YMSZM2qrlkeg0t.7z
Verdict:
Malicious activity
Analysis date:
2025-04-26 15:11:04 UTC
Tags:
arch-exec stealer evasion purelogs purecrypter

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
90.9%
Tags:
virus agent crypt
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Launching a process
Сreating synchronization primitives
Reading critical registry keys
DNS request
Connection attempt
Sending an HTTP GET request
Using the Windows Management Instrumentation requests
Creating a window
Running batch commands
Creating a process with a hidden window
Creating a file
Connection attempt to an infection source
Sending a TCP request to an infection source
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
crypt entropy microsoft_visual_cc packed packed packer_detected
Result
Threat name:
PureLog Stealer, zgRAT
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Self deletion via cmd or bat file
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Silenttrinity Stager Msbuild Activity
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 browser information (history, passwords, etc)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected PureLog Stealer
Yara detected UAC Bypass using CMSTP
Yara detected zgRAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1675055 Sample: build.exe Startdate: 26/04/2025 Architecture: WINDOWS Score: 100 34 pki-goog.l.google.com 2->34 36 ip-api.com 2->36 38 2 other IPs or domains 2->38 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 7 other signatures 2->52 9 build.exe 2->9         started        signatures3 process4 signatures5 54 Writes to foreign memory regions 9->54 56 Allocates memory in foreign processes 9->56 58 Injects a PE file into a foreign processes 9->58 12 MSBuild.exe 21 5 9->12         started        process6 dnsIp7 40 193.233.254.162, 49717, 5555 FREE-NET-ASFREEnetEU Russian Federation 12->40 42 ip-api.com 208.95.112.1, 49715, 80 TUT-ASUS United States 12->42 32 C:\Program Files\...\Chrome_boostrap.exe, PE32+ 12->32 dropped 60 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 12->60 62 Self deletion via cmd or bat file 12->62 64 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 12->64 66 3 other signatures 12->66 17 powershell.exe 23 12->17         started        20 cmd.exe 1 12->20         started        22 Chrome_boostrap.exe 1 12->22         started        file8 signatures9 process10 signatures11 44 Loading BitLocker PowerShell Module 17->44 24 WmiPrvSE.exe 17->24         started        26 conhost.exe 17->26         started        28 conhost.exe 20->28         started        30 choice.exe 1 20->30         started        process12
Threat name:
Win64.Trojan.Kepavll
Status:
Malicious
First seen:
2025-04-25 19:50:41 UTC
File Type:
PE+ (Exe)
Extracted files:
1
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery execution spyware stealer
Behaviour
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Suspicious use of SetThreadContext
Looks up external IP address via web service
Executes dropped EXE
Reads user/profile data of web browsers
Command and Scripting Interpreter: PowerShell
Verdict:
Suspicious
Tags:
external_ip_lookup
YARA:
n/a
Unpacked files
SH256 hash:
1cda59eb5354916638951536a55dab27affcea3dd5e7f65c483ea8234eb37a1e
MD5 hash:
043a5e4b6c220249b1cf976abcfce235
SHA1 hash:
626bc5c5b386e9715e313773695d81d472645364
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:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

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
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineA
KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileA
KERNEL32.dll::CreateFileW

Comments