MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b0410c03a893377b1726c7d31fed5796ae24c8ba55061aa7a02f04fd96a32af5. 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


Arechclient2


Vendor detections: 10


Intelligence 10 IOCs YARA 21 File information Comments
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SHA256 hash: b0410c03a893377b1726c7d31fed5796ae24c8ba55061aa7a02f04fd96a32af5
SHA3-384 hash: 4155c52e4e9e6312741ac639a13381897ab284e4a60e9de3778080cb2690df07dc35bf4251eef8dad2a8ec85568a36bf
SHA1 hash: b379c45dcfd03680bb1d97e34a27d1eec8b398a4
MD5 hash: 65a1f593552de7934b0bcb782abc43c4
humanhash: michigan-black-black-nineteen
File name:InstallKit_24313_win64.exe
Download: download sample
Signature Arechclient2
Create hunting rule
File size:22'471'928 bytes
First seen:2024-07-17 13:56:50 UTC
Last seen:2024-07-24 20:24:42 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 40ab50289f7ef5fae60801f88d4541fc (59 x ValleyRAT, 49 x Gh0stRAT, 41 x OffLoader)
ssdeep 196608:6Y/W2TrybPU3ENBlut4E/iUous5kW+bD5Pc90umN40vyv+SQBVluw9a+Y:6aWqrybhNBlu3/i5X5kpD5GmHv1nRY
Threatray 3 similar samples on MalwareBazaar
TLSH T1FF37BF11B3E84A26D5FF5332B8705054E7B6F9576722E38F348CA9AD1F22B914922373
TrID 39.3% (.EXE) Inno Setup installer (107240/4/30)
21.1% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
15.7% (.EXE) InstallShield setup (43053/19/16)
15.2% (.EXE) Win32 EXE PECompact compressed (generic) (41569/9/9)
3.8% (.EXE) Win64 Executable (generic) (10523/12/4)
File icon (PE):PE icon
dhash icon b298acbab2ca7a72 (2'327 x GCleaner, 1'631 x Socks5Systemz, 67 x RedLineStealer)
Reporter x3ph1
Tags:Arechclient2 exe NjRAT signed

Code Signing Certificate

Organisation:BVD Software Inc.
Issuer:Certum Extended Validation Code Signing 2021 CA
Algorithm:sha256WithRSAEncryption
Valid from:2024-07-04T08:43:20Z
Valid to:2025-07-04T08:43:19Z
Serial number: 225d2e2d7d56b7348dea176284e1c06d
Cert Central Blocklist:This certificate is on the Cert Central blocklist
Thumbprint Algorithm:SHA256
Thumbprint: bbe555928c5d32acaba73c06d95d7ec79fd26a27464da5e339b0c0d1ede5947f
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
2
# of downloads :
425
Origin country :
US US
Vendor Threat Intelligence
Detection(s):
ditekSHen.MALWARE.Win.Trojan.DLAgent02.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6697cd52da4062e29ae8a7d0
Tags:
Banker Encryption Execution Network Ransomware Dexter
Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
Searching for synchronization primitives
Restart of the analyzed sample
Creating a process with a hidden window
Searching for the window
Moving a file to the %temp% subdirectory
Running batch commands
Launching a process
Using the Windows Management Instrumentation requests
Verdict:
Malicious
Labled as:
Win/grayware_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/b0410c03a893377b1726c7d31fed5796ae24c8ba55061aa7a02f04fd96a32af5
Result
Verdict:
MALICIOUS
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
42 / 100
Link:
https://www.joesandbox.com/analysis/1475097
Signature
Found suspicious powershell code related to unpacking or dynamic code loading
Found Tor onion address
Malicious sample detected (through community Yara rule)
Obfuscated command line found
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Suspicious Script Execution From Temp Folder
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected Obfuscated Powershell
Yara detected Powershell decode and execute
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1475097 Sample: InstallKit_24313_win64.exe Startdate: 17/07/2024 Architecture: WINDOWS Score: 42 46 Malicious sample detected (through community Yara rule) 2->46 48 Yara detected Powershell decode and execute 2->48 50 Found Tor onion address 2->50 52 2 other signatures 2->52 10 InstallKit_24313_win64.exe 2 2->10         started        process3 file4 40 C:\Users\user\...\InstallKit_24313_win64.tmp, PE32 10->40 dropped 13 InstallKit_24313_win64.tmp 3 5 10->13         started        process5 file6 42 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 13->42 dropped 44 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 13->44 dropped 16 InstallKit_24313_win64.exe 2 13->16         started        process7 file8 30 C:\Users\user\...\InstallKit_24313_win64.tmp, PE32 16->30 dropped 19 InstallKit_24313_win64.tmp 5 10 16->19         started        process9 file10 32 C:\Users\user\AppData\Local\...\is-JKSJ4.tmp, PE32 19->32 dropped 34 C:\Users\user\AppData\Local\...\is-58TG8.tmp, PE32 19->34 dropped 36 C:\Users\user\AppData\Local\...\is-24TMN.tmp, PE32 19->36 dropped 38 5 other files (none is malicious) 19->38 dropped 54 Obfuscated command line found 19->54 23 cmd.exe 1 19->23         started        signatures11 process12 process13 25 powershell.exe 17 23->25         started        28 conhost.exe 23->28         started        signatures14 56 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 25->56 58 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 25->58 60 Found suspicious powershell code related to unpacking or dynamic code loading 25->60
Score:
29%
Verdict:
Benign
File Type:
PE
Link:
https://malprob.io/report/b0410c03a893377b1726c7d31fed5796ae24c8ba55061aa7a02f04fd96a32af5
Gathering data
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wbaqya5ism3xwfzgy7jr73kxs2xcjsf2kudbvj5af4cp3fvdfl2q._file
Verdict:
unknown
Similar samples:
9ffac3be20e18a26f2e3d748ec0cddf8aa1c28ac7010e2b28c29586c35ee00fc
Arechclient2
b0410c03a893377b1726c7d31fed5796ae24c8ba55061aa7a02f04fd96a32af5
Arechclient2
Result
Malware family:
sectoprat
Create hunting rule
Score:
  10/10
Tags:
family:sectoprat execution rat trojan upx
Link:
https://tria.ge/reports/240717-q89e2axalf/
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Command and Scripting Interpreter: PowerShell
Enumerates physical storage devices
Executes dropped EXE
Loads dropped DLL
An obfuscated cmd.exe command-line is typically used to evade detection.
Checks computer location settings
Drops file in System32 directory
Suspicious use of SetThreadContext
UPX packed file
SectopRAT
SectopRAT payload
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/3da35495-3a2e-441f-b266-9fa9b7e8e170
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/b0410c03a893377b1726c7d31fed5796ae24c8ba55061aa7a02f04fd96a32af5

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:Borland
Create hunting rule
Author:malware-lu
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:INDICATOR_EXE_DotNET_Encrypted
Create hunting rule
Author:ditekSHen
Description:Detects encrypted or obfuscated .NET executables
Rule name:Jupyter_infostealer
Create hunting rule
Author:CD_R0M_
Description:Rule for Jupyter Infostealer/Solarmarker malware from september 2021-December 2022
Rule name:ldpreload
Create hunting rule
Author:xorseed
Reference:https://stuff.rop.io/
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETDLLMicrosoft
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:QbotStuff
Create hunting rule
Author:anonymous
Rule name:Rooter
Create hunting rule
Author:Seth Hardy
Description:Rooter
Rule name:RooterStrings
Create hunting rule
Author:Seth Hardy
Description:Rooter Identifying Strings
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:yara_template
Create hunting rule

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_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User Authorizationadvapi32.dll::AllocateAndInitializeSid
advapi32.dll::ConvertSidToStringSidW
advapi32.dll::ConvertStringSecurityDescriptorToSecurityDescriptorW
advapi32.dll::EqualSid
advapi32.dll::FreeSid
SECURITY_BASE_APIUses Security Base APIadvapi32.dll::AdjustTokenPrivileges
advapi32.dll::GetTokenInformation
WIN32_PROCESS_APICan Create Process and Threadskernel32.dll::CreateProcessW
advapi32.dll::OpenProcessToken
advapi32.dll::OpenThreadToken
kernel32.dll::CloseHandle
kernel32.dll::CreateThread
WIN_BASE_APIUses Win Base APIkernel32.dll::LoadLibraryA
kernel32.dll::LoadLibraryExW
kernel32.dll::LoadLibraryW
kernel32.dll::GetDriveTypeW
kernel32.dll::GetVolumeInformationW
kernel32.dll::GetSystemInfo
WIN_BASE_IO_APICan Create Fileskernel32.dll::CreateDirectoryW
kernel32.dll::CreateFileW
kernel32.dll::DeleteFileW
kernel32.dll::GetWindowsDirectoryW
kernel32.dll::GetSystemDirectoryW
kernel32.dll::GetFileAttributesW
WIN_BASE_USER_APIRetrieves Account Informationadvapi32.dll::LookupPrivilegeValueW
WIN_REG_APICan Manipulate Windows Registryadvapi32.dll::RegOpenKeyExW
advapi32.dll::RegQueryValueExW
WIN_USER_APIPerforms GUI Actionsuser32.dll::PeekMessageW
user32.dll::CreateWindowExW

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