MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1acd4659dc0f1f9d71d2687d471461ff4ad39c81610fd36b36e59cf0d6f1a3a0. 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 6 File information Comments 1

SHA256 hash: 1acd4659dc0f1f9d71d2687d471461ff4ad39c81610fd36b36e59cf0d6f1a3a0
SHA3-384 hash: d1b894aa608ccf75b4af204fff3fbd85bde92ff50521d49add76c46f2dda1e69b618280c8d0bcf3de2f8424545a4ea72
SHA1 hash: f28a19c39b36297246a7155a6cd464597ac0a5fe
MD5 hash: c8f2055d7a8c0f170fabf3fa9042b927
humanhash: network-lithium-gee-nine
File name:c8f2055d7a8c0f170fabf3fa9042b927
Download: download sample
Signature PureLogsStealer
File size:7'090'427 bytes
First seen:2024-03-22 19:01:36 UTC
Last seen:2024-03-22 20:44:43 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash ae9f6a32bb8b03dce37903edbc855ba1 (28 x CryptOne, 18 x RedLineStealer, 15 x njrat)
ssdeep 196608:f5CiVapEOSoGCT+1Swt0nHmvMaYL4EPO014e:RcpQ1SwUH4MaYLPt
TLSH T185663311B4C148B9C4F14A7A0DE9A134AD347E742B31EAEF17A07B6D19246B0E974FB3
TrID 80.5% (.EXE) WinRAR Self Extracting archive (4.x-5.x) (265042/9/39)
9.4% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
3.1% (.EXE) Win64 Executable (generic) (10523/12/4)
1.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
1.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon 9494b494d4aeaeac (832 x DCRat, 172 x RedLineStealer, 134 x CryptOne)
Reporter zbetcheckin
Tags:32 exe PureLogStealer

Intelligence


File Origin
# of uploads :
2
# of downloads :
528
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
1acd4659dc0f1f9d71d2687d471461ff4ad39c81610fd36b36e59cf0d6f1a3a0.exe
Verdict:
Malicious activity
Analysis date:
2024-03-22 19:02:52 UTC
Tags:
n/a

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

Behaviour
Creating a window
Searching for the window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file in the %temp% subdirectories
Creating a process from a recently created file
Launching the default Windows debugger (dwwin.exe)
Creating a file
Using the Windows Management Instrumentation requests
Launching a process
Moving a file to the Program Files subdirectory
Replacing files
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Adding an exclusion to Microsoft Defender
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
fingerprint installer lolbin overlay packed setupapi shdocvw shell32
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
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
Encrypted powershell cmdline option found
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Sigma detected: Files With System Process Name In Unsuspected Locations
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Script Interpreter Execution From Suspicious Folder
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: System File Execution Location Anomaly
Sigma detected: Windows Binaries Write Suspicious Extensions
Sigma detected: WScript or CScript Dropper
Suspicious powershell command line found
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Yara detected Costura Assembly Loader
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1414225 Sample: O7XmfO6ZHE.exe Startdate: 22/03/2024 Architecture: WINDOWS Score: 100 55 gamemodz.duckdns.org 2->55 69 Antivirus detection for URL or domain 2->69 71 Multi AV Scanner detection for submitted file 2->71 73 Yara detected PureLog Stealer 2->73 77 14 other signatures 2->77 9 Count.exe 2->9         started        12 O7XmfO6ZHE.exe 3 11 2->12         started        15 Count.exe 2->15         started        17 2 other processes 2->17 signatures3 75 Uses dynamic DNS services 55->75 process4 file5 87 Machine Learning detection for dropped file 9->87 89 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 9->89 91 Modifies the context of a thread in another process (thread injection) 9->91 19 Count.exe 9->19         started        49 C:\Users\user\AppData\Local\...\SearchUI.exe, PE32+ 12->49 dropped 51 C:\Users\user\AppData\...\RuntimeBroker.exe, PE32+ 12->51 dropped 53 C:\Users\user\AppData\Local\Temp\...\run.vbs, ASCII 12->53 dropped 22 wscript.exe 2 12->22         started        93 Injects a PE file into a foreign processes 15->93 24 Count.exe 15->24         started        26 conhost.exe 17->26         started        28 conhost.exe 17->28         started        30 WmiPrvSE.exe 17->30         started        signatures6 process7 signatures8 79 Writes to foreign memory regions 19->79 81 Modifies the context of a thread in another process (thread injection) 19->81 83 Injects a PE file into a foreign processes 19->83 32 InstallUtil.exe 19->32         started        85 Windows Scripting host queries suspicious COM object (likely to drop second stage) 22->85 35 RuntimeBroker.exe 1 22->35         started        37 SearchUI.exe 22->37         started        process9 signatures10 59 Modifies the context of a thread in another process (thread injection) 32->59 61 Injects a PE file into a foreign processes 32->61 39 InstallUtil.exe 32->39         started        63 Machine Learning detection for dropped file 35->63 65 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 35->65 67 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 35->67 42 RuntimeBroker.exe 5 35->42         started        45 WerFault.exe 19 16 37->45         started        process11 dnsIp12 57 gamemodz.duckdns.org 45.128.96.133, 49720, 49722, 49723 XXLNETNL Germany 39->57 47 C:\Users\user\AppData\Local\...\Count.exe, PE32+ 42->47 dropped file13
Threat name:
ByteCode-MSIL.Trojan.Amadey
Status:
Malicious
First seen:
2024-03-22 17:29:14 UTC
File Type:
PE (Exe)
Extracted files:
23
AV detection:
15 of 37 (40.54%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:zgrat rat
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Drops file in System32 directory
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Detect ZGRat V1
ZGRat
Unpacked files
SH256 hash:
dcd981d389ee1362eaf8dfc5ab17b7f8250dbf1efef1224fb4f9823b58a04484
MD5 hash:
13036b7d0fbf7fc90008e3a227aaee40
SHA1 hash:
2525315a27af780edfca79e9dcbbe94e41506189
SH256 hash:
b2101ac849bea6cc83622bd09e51424f411eafab8090d3aff04e4d5f5c8b19ae
MD5 hash:
48f5aa48f06931e92b138a1d8ed7953a
SHA1 hash:
99abfd641aef633eb5e85bad3e45d57bb4a41b7c
SH256 hash:
1acd4659dc0f1f9d71d2687d471461ff4ad39c81610fd36b36e59cf0d6f1a3a0
MD5 hash:
c8f2055d7a8c0f170fabf3fa9042b927
SHA1 hash:
f28a19c39b36297246a7155a6cd464597ac0a5fe
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:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:NET
Author:malware-lu
Rule name:pe_no_import_table
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

PureLogsStealer

Executable exe 1acd4659dc0f1f9d71d2687d471461ff4ad39c81610fd36b36e59cf0d6f1a3a0

(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 (HIGH_ENTROPY_VA)high
Reviews
IDCapabilitiesEvidence
GDI_PLUS_APIInterfaces with Graphicsgdiplus.dll::GdiplusStartup
gdiplus.dll::GdiplusShutdown
gdiplus.dll::GdipAlloc
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryExA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetSystemInfo
KERNEL32.dll::GetStartupInfoW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::AllocConsole
KERNEL32.dll::AttachConsole
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::FreeConsole
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileW
KERNEL32.dll::CreateFileMappingW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::MoveFileW
KERNEL32.dll::MoveFileExW

Comments



Avatar
zbet commented on 2024-03-22 19:01:37 UTC

url : hxxp://193.233.132.167/lend/mysto.exe