MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a9c6e43902b74d84e8492006beaf718380a1550cfd545a2de6bfc95d69016e28. 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


ValleyRAT


Vendor detections: 11


Intelligence 11 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a9c6e43902b74d84e8492006beaf718380a1550cfd545a2de6bfc95d69016e28
SHA3-384 hash: 1e63526e382a6074105ea2061fae30254269b225ea029b7c7438e1e6389fb49d3199b54ccdd870699f809b53361a4aa3
SHA1 hash: a5b1ad8ed22e819341cadcc8a13ea34cf8a79eb1
MD5 hash: b7289fd08cd04c771fd7c9b06477601a
humanhash: solar-indigo-oranges-twenty
File name:安装助手_2.0.7.exe
Download: download sample
Signature ValleyRAT
Create hunting rule
File size:5'695'204 bytes
First seen:2024-12-23 06:56:54 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 40ab50289f7ef5fae60801f88d4541fc (59 x ValleyRAT, 49 x Gh0stRAT, 41 x OffLoader)
ssdeep 98304:XwREQQxJMpnJwpVM+bJr2CsBdh/vRXIXm25Kz4j2dMwZgW:ldJmngtrg/G26XcF
TLSH T1F9461213F2CBE03DE05E0B3B06B2A25494FB6A616526AD578AECB4ECCF351501D3E647
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) (10522/11/4)
Magika pebin
File icon (PE):PE icon
dhash icon 5050d270cccc82ae (109 x Adware.Generic, 43 x LummaStealer, 42 x OffLoader)
Reporter zhuzhu0009
Tags:backdoor exe SilverFox ValleyRAT winos

Intelligence

File Origin
# of uploads :
1
# of downloads :
399
Origin country :
JP JP
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
安装助手_2.0.7.exe
Verdict:
No threats detected
Analysis date:
2024-12-23 07:50:21 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/6b60f6b1-8c23-4e2a-852d-a395b8af2312

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.DownLoad4.16298.18686.14967.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=676909cc75bf3268d2fdd04d
Tags:
autorun emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Loading a system driver
Enabling the 'hidden' option for recently created files
Creating a file
Deleting a recently created file
DNS request
Sending a UDP request
Connection attempt
Sending a custom TCP request
Launching the process to change the firewall settings
Searching for the window
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
Creating a process with a hidden window
Restart of the analyzed sample
Creating a file in the Program Files subdirectories
Moving a file to the Program Files subdirectory
Creating a service
Launching a service
Running batch commands
Launching a process
Forced system process termination
Enabling autorun for a service
Query of malicious DNS domain
Launching the process to interact with network services
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Labled as:
Win/malicious_confidence_60%
Link:
https://www.hybrid-analysis.com/sample/a9c6e43902b74d84e8492006beaf718380a1550cfd545a2de6bfc95d69016e28
Result
Verdict:
MALICIOUS
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/522df4b5-f0ec-4e8d-bc54-11fe613779ae
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/1579756
Signature
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Changes security center settings (notifications, updates, antivirus, firewall)
Contains functionality to hide a thread from the debugger
Found driver which could be used to inject code into processes
Hides threads from debuggers
Loading BitLocker PowerShell Module
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Protects its processes via BreakOnTermination flag
Query firmware table information (likely to detect VMs)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1579756 Sample: #U5b89#U88c5#U52a9#U624b_2.... Startdate: 23/12/2024 Architecture: WINDOWS Score: 92 90 time.windows.com 2->90 92 Multi AV Scanner detection for submitted file 2->92 94 Found driver which could be used to inject code into processes 2->94 96 PE file contains section with special chars 2->96 98 2 other signatures 2->98 11 #U5b89#U88c5#U52a9#U624b_2.0.7.exe 2 2->11         started        14 svchost.exe 2->14         started        17 cmd.exe 2->17         started        19 30 other processes 2->19 signatures3 process4 file5 86 C:\...\#U5b89#U88c5#U52a9#U624b_2.0.7.tmp, PE32 11->86 dropped 21 #U5b89#U88c5#U52a9#U624b_2.0.7.tmp 3 5 11->21         started        112 Changes security center settings (notifications, updates, antivirus, firewall) 14->112 25 sc.exe 1 17->25         started        27 sc.exe 1 19->27         started        29 sc.exe 1 19->29         started        31 sc.exe 1 19->31         started        33 21 other processes 19->33 signatures6 process7 file8 74 C:\Users\user\AppData\Local\...\update.vac, PE32 21->74 dropped 76 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 21->76 dropped 100 Adds a directory exclusion to Windows Defender 21->100 35 #U5b89#U88c5#U52a9#U624b_2.0.7.exe 2 21->35         started        38 powershell.exe 23 21->38         started        41 conhost.exe 25->41         started        43 conhost.exe 27->43         started        45 conhost.exe 29->45         started        47 conhost.exe 31->47         started        49 conhost.exe 33->49         started        51 conhost.exe 33->51         started        53 19 other processes 33->53 signatures9 process10 file11 72 C:\...\#U5b89#U88c5#U52a9#U624b_2.0.7.tmp, PE32 35->72 dropped 55 #U5b89#U88c5#U52a9#U624b_2.0.7.tmp 4 16 35->55         started        102 Loading BitLocker PowerShell Module 38->102 59 conhost.exe 38->59         started        61 WmiPrvSE.exe 38->61         started        signatures12 process13 file14 78 C:\Users\user\AppData\Local\...\update.vac, PE32 55->78 dropped 80 C:\Program Files (x86)\...\updat4.vac, PE32 55->80 dropped 82 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 55->82 dropped 84 3 other files (none is malicious) 55->84 dropped 104 Query firmware table information (likely to detect VMs) 55->104 106 Protects its processes via BreakOnTermination flag 55->106 108 Hides threads from debuggers 55->108 110 Contains functionality to hide a thread from the debugger 55->110 63 7zr.exe 2 55->63         started        66 7zr.exe 6 55->66         started        signatures15 process16 file17 88 C:\Program Files (x86)\...\tProtect.dll, PE32+ 63->88 dropped 68 conhost.exe 63->68         started        70 conhost.exe 66->70         started        process18
Score:
83%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/a9c6e43902b74d84e8492006beaf718380a1550cfd545a2de6bfc95d69016e28
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a9c6e43902b74d84e8492006beaf718380a1550cfd545a2de6bfc95d69016e28/
Threat name:
Win32.Trojan.Malgent
Create hunting rule
Status:
Malicious
First seen:
2024-12-23 06:57:09 UTC
File Type:
PE (Exe)
AV detection:
16 of 38 (42.11%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vhdoioicw5gyj2cjeadl5l3rqoakcvim7vkfulpgx7ev22ibnyua._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery execution persistence
Link:
https://tria.ge/reports/241223-hqzh4sxmfp/
Behaviour
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Launches sc.exe
Drops file in System32 directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Command and Scripting Interpreter: PowerShell
Creates new service(s)
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/67a07acc-f551-426f-92af-b203323f7056
Unpacked files
SH256 hash:
1d36cbd039fcc2caf6bef6e10322103773217277178a1e769ea518eeb644f6af
MD5 hash:
a1c086e788890d572711e1b3906a8c64
SHA1 hash:
5a24eebd793acc22fcbaae7c78732033d50d36b1
Link:
https://www.unpac.me/results/044277dc-61a6-4f5b-ad34-086515bd050b/
SH256 hash:
a9c6e43902b74d84e8492006beaf718380a1550cfd545a2de6bfc95d69016e28
MD5 hash:
b7289fd08cd04c771fd7c9b06477601a
SHA1 hash:
a5b1ad8ed22e819341cadcc8a13ea34cf8a79eb1
Link:
https://www.unpac.me/results/044277dc-61a6-4f5b-ad34-086515bd050b/
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/a9c6e43902b74d84e8492006beaf718380a1550cfd545a2de6bfc95d69016e28

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:pe_detect_tls_callbacks
Create hunting rule
Rule name:RansomPyShield_Antiransomware
Create hunting rule
Author:XiAnzheng
Description:Check for Suspicious String and Import combination that Ransomware mostly abuse(can create FP)
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
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 (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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